Commit | Line | Data |
---|---|---|
d7e09d03 PT |
1 | /* |
2 | * GPL HEADER START | |
3 | * | |
4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 only, | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License version 2 for more details (a copy is included | |
14 | * in the LICENSE file that accompanied this code). | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * version 2 along with this program; If not, see | |
6a5b99a4 | 18 | * http://www.gnu.org/licenses/gpl-2.0.html |
d7e09d03 | 19 | * |
d7e09d03 PT |
20 | * GPL HEADER END |
21 | */ | |
22 | /* | |
23 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | |
24 | * Use is subject to license terms. | |
25 | * | |
1dc563a6 | 26 | * Copyright (c) 2011, 2015, Intel Corporation. |
d7e09d03 PT |
27 | */ |
28 | /* | |
29 | * This file is part of Lustre, http://www.lustre.org/ | |
30 | * Lustre is a trademark of Sun Microsystems, Inc. | |
31 | * | |
32 | * lustre/llite/llite_lib.c | |
33 | * | |
34 | * Lustre Light Super operations | |
35 | */ | |
36 | ||
37 | #define DEBUG_SUBSYSTEM S_LLITE | |
38 | ||
39 | #include <linux/module.h> | |
a9c7db39 | 40 | #include <linux/statfs.h> |
d7e09d03 | 41 | #include <linux/types.h> |
d7e09d03 PT |
42 | #include <linux/mm.h> |
43 | ||
8877d3bf | 44 | #include "../include/lustre/lustre_ioctl.h" |
67a235f5 GKH |
45 | #include "../include/lustre_lite.h" |
46 | #include "../include/lustre_ha.h" | |
47 | #include "../include/lustre_dlm.h" | |
48 | #include "../include/lprocfs_status.h" | |
49 | #include "../include/lustre_disk.h" | |
50 | #include "../include/lustre_param.h" | |
51 | #include "../include/lustre_log.h" | |
52 | #include "../include/cl_object.h" | |
53 | #include "../include/obd_cksum.h" | |
d7e09d03 PT |
54 | #include "llite_internal.h" |
55 | ||
56 | struct kmem_cache *ll_file_data_slab; | |
ae7c0f48 | 57 | struct dentry *llite_root; |
fd0d04ba | 58 | struct kset *llite_kset; |
d7e09d03 | 59 | |
d7e09d03 PT |
60 | #ifndef log2 |
61 | #define log2(n) ffz(~(n)) | |
62 | #endif | |
63 | ||
fd0d04ba | 64 | static struct ll_sb_info *ll_init_sbi(struct super_block *sb) |
d7e09d03 PT |
65 | { |
66 | struct ll_sb_info *sbi = NULL; | |
67 | unsigned long pages; | |
68 | unsigned long lru_page_max; | |
69 | struct sysinfo si; | |
70 | class_uuid_t uuid; | |
71 | int i; | |
d7e09d03 | 72 | |
496a51bd | 73 | sbi = kzalloc(sizeof(*sbi), GFP_NOFS); |
d7e09d03 | 74 | if (!sbi) |
0a3bdb00 | 75 | return NULL; |
d7e09d03 PT |
76 | |
77 | spin_lock_init(&sbi->ll_lock); | |
78 | mutex_init(&sbi->ll_lco.lco_lock); | |
79 | spin_lock_init(&sbi->ll_pp_extent_lock); | |
80 | spin_lock_init(&sbi->ll_process_lock); | |
81 | sbi->ll_rw_stats_on = 0; | |
82 | ||
83 | si_meminfo(&si); | |
84 | pages = si.totalram - si.totalhigh; | |
5196e42c | 85 | lru_page_max = pages / 2; |
d7e09d03 | 86 | |
1b02bde3 EL |
87 | sbi->ll_cache = cl_cache_init(lru_page_max); |
88 | if (!sbi->ll_cache) { | |
89 | kfree(sbi); | |
90 | return NULL; | |
91 | } | |
ac5b1481 | 92 | |
d7e09d03 PT |
93 | sbi->ll_ra_info.ra_max_pages_per_file = min(pages / 32, |
94 | SBI_DEFAULT_READAHEAD_MAX); | |
95 | sbi->ll_ra_info.ra_max_pages = sbi->ll_ra_info.ra_max_pages_per_file; | |
96 | sbi->ll_ra_info.ra_max_read_ahead_whole_pages = | |
97 | SBI_DEFAULT_READAHEAD_WHOLE_MAX; | |
d7e09d03 PT |
98 | |
99 | ll_generate_random_uuid(uuid); | |
100 | class_uuid_unparse(uuid, &sbi->ll_sb_uuid); | |
101 | CDEBUG(D_CONFIG, "generated uuid: %s\n", sbi->ll_sb_uuid.uuid); | |
102 | ||
d7e09d03 PT |
103 | sbi->ll_flags |= LL_SBI_VERBOSE; |
104 | sbi->ll_flags |= LL_SBI_CHECKSUM; | |
105 | ||
106 | sbi->ll_flags |= LL_SBI_LRU_RESIZE; | |
107 | ||
108 | for (i = 0; i <= LL_PROCESS_HIST_MAX; i++) { | |
109 | spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i]. | |
110 | pp_r_hist.oh_lock); | |
111 | spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i]. | |
112 | pp_w_hist.oh_lock); | |
113 | } | |
114 | ||
115 | /* metadata statahead is enabled by default */ | |
116 | sbi->ll_sa_max = LL_SA_RPC_DEF; | |
117 | atomic_set(&sbi->ll_sa_total, 0); | |
118 | atomic_set(&sbi->ll_sa_wrong, 0); | |
119 | atomic_set(&sbi->ll_agl_total, 0); | |
120 | sbi->ll_flags |= LL_SBI_AGL_ENABLED; | |
121 | ||
c948390f GP |
122 | /* root squash */ |
123 | sbi->ll_squash.rsi_uid = 0; | |
124 | sbi->ll_squash.rsi_gid = 0; | |
125 | INIT_LIST_HEAD(&sbi->ll_squash.rsi_nosquash_nids); | |
126 | init_rwsem(&sbi->ll_squash.rsi_sem); | |
127 | ||
fd0d04ba OD |
128 | sbi->ll_sb = sb; |
129 | ||
0a3bdb00 | 130 | return sbi; |
d7e09d03 PT |
131 | } |
132 | ||
2d95f10e | 133 | static void ll_free_sbi(struct super_block *sb) |
d7e09d03 PT |
134 | { |
135 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
d7e09d03 | 136 | |
1b02bde3 | 137 | if (sbi->ll_cache) { |
c948390f GP |
138 | if (!list_empty(&sbi->ll_squash.rsi_nosquash_nids)) |
139 | cfs_free_nidlist(&sbi->ll_squash.rsi_nosquash_nids); | |
1b02bde3 EL |
140 | cl_cache_decref(sbi->ll_cache); |
141 | sbi->ll_cache = NULL; | |
142 | } | |
143 | ||
ad88aae0 | 144 | kfree(sbi); |
d7e09d03 PT |
145 | } |
146 | ||
d7e09d03 PT |
147 | static int client_common_fill_super(struct super_block *sb, char *md, char *dt, |
148 | struct vfsmount *mnt) | |
149 | { | |
ea7893bb | 150 | struct inode *root = NULL; |
d7e09d03 PT |
151 | struct ll_sb_info *sbi = ll_s2sbi(sb); |
152 | struct obd_device *obd; | |
d7e09d03 PT |
153 | struct obd_statfs *osfs = NULL; |
154 | struct ptlrpc_request *request = NULL; | |
155 | struct obd_connect_data *data = NULL; | |
156 | struct obd_uuid *uuid; | |
157 | struct md_op_data *op_data; | |
158 | struct lustre_md lmd; | |
21aef7d9 | 159 | u64 valid; |
d7e09d03 | 160 | int size, err, checksum; |
d7e09d03 PT |
161 | |
162 | obd = class_name2obd(md); | |
163 | if (!obd) { | |
164 | CERROR("MD %s: not setup or attached\n", md); | |
0a3bdb00 | 165 | return -EINVAL; |
d7e09d03 PT |
166 | } |
167 | ||
496a51bd JL |
168 | data = kzalloc(sizeof(*data), GFP_NOFS); |
169 | if (!data) | |
0a3bdb00 | 170 | return -ENOMEM; |
d7e09d03 | 171 | |
496a51bd JL |
172 | osfs = kzalloc(sizeof(*osfs), GFP_NOFS); |
173 | if (!osfs) { | |
97903a26 | 174 | kfree(data); |
0a3bdb00 | 175 | return -ENOMEM; |
d7e09d03 PT |
176 | } |
177 | ||
d7e09d03 PT |
178 | /* indicate the features supported by this client */ |
179 | data->ocd_connect_flags = OBD_CONNECT_IBITS | OBD_CONNECT_NODEVOH | | |
180 | OBD_CONNECT_ATTRFID | | |
181 | OBD_CONNECT_VERSION | OBD_CONNECT_BRW_SIZE | | |
d7e09d03 PT |
182 | OBD_CONNECT_CANCELSET | OBD_CONNECT_FID | |
183 | OBD_CONNECT_AT | OBD_CONNECT_LOV_V3 | | |
341f1f0a FY |
184 | OBD_CONNECT_VBR | OBD_CONNECT_FULL20 | |
185 | OBD_CONNECT_64BITHASH | | |
d7e09d03 PT |
186 | OBD_CONNECT_EINPROGRESS | |
187 | OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE | | |
7fc1f831 | 188 | OBD_CONNECT_LAYOUTLOCK | |
69342b78 AS |
189 | OBD_CONNECT_PINGLESS | |
190 | OBD_CONNECT_MAX_EASIZE | | |
63d42578 | 191 | OBD_CONNECT_FLOCK_DEAD | |
c1b66fcc | 192 | OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK | |
4edc630a | 193 | OBD_CONNECT_OPEN_BY_FID | |
194 | OBD_CONNECT_DIR_STRIPE; | |
d7e09d03 PT |
195 | |
196 | if (sbi->ll_flags & LL_SBI_SOM_PREVIEW) | |
197 | data->ocd_connect_flags |= OBD_CONNECT_SOM; | |
198 | ||
199 | if (sbi->ll_flags & LL_SBI_LRU_RESIZE) | |
200 | data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE; | |
201 | #ifdef CONFIG_FS_POSIX_ACL | |
202 | data->ocd_connect_flags |= OBD_CONNECT_ACL | OBD_CONNECT_UMASK; | |
203 | #endif | |
204 | ||
205 | if (OBD_FAIL_CHECK(OBD_FAIL_MDC_LIGHTWEIGHT)) | |
206 | /* flag mdc connection as lightweight, only used for test | |
c0894c6c OD |
207 | * purpose, use with care |
208 | */ | |
d7e09d03 PT |
209 | data->ocd_connect_flags |= OBD_CONNECT_LIGHTWEIGHT; |
210 | ||
211 | data->ocd_ibits_known = MDS_INODELOCK_FULL; | |
212 | data->ocd_version = LUSTRE_VERSION_CODE; | |
213 | ||
214 | if (sb->s_flags & MS_RDONLY) | |
215 | data->ocd_connect_flags |= OBD_CONNECT_RDONLY; | |
216 | if (sbi->ll_flags & LL_SBI_USER_XATTR) | |
217 | data->ocd_connect_flags |= OBD_CONNECT_XATTR; | |
218 | ||
d7e09d03 PT |
219 | if (sbi->ll_flags & LL_SBI_FLOCK) |
220 | sbi->ll_fop = &ll_file_operations_flock; | |
221 | else if (sbi->ll_flags & LL_SBI_LOCALFLOCK) | |
222 | sbi->ll_fop = &ll_file_operations; | |
223 | else | |
224 | sbi->ll_fop = &ll_file_operations_noflock; | |
225 | ||
226 | /* real client */ | |
227 | data->ocd_connect_flags |= OBD_CONNECT_REAL; | |
d7e09d03 PT |
228 | |
229 | data->ocd_brw_size = MD_MAX_BRW_SIZE; | |
230 | ||
e6768831 TJ |
231 | err = obd_connect(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, |
232 | data, NULL); | |
d7e09d03 | 233 | if (err == -EBUSY) { |
2d00bd17 JP |
234 | LCONSOLE_ERROR_MSG(0x14f, "An MDT (md %s) is performing recovery, of which this client is not a part. Please wait for recovery to complete, abort, or time out.\n", |
235 | md); | |
34e1f2bb | 236 | goto out; |
d7e09d03 PT |
237 | } else if (err) { |
238 | CERROR("cannot connect to %s: rc = %d\n", md, err); | |
34e1f2bb | 239 | goto out; |
d7e09d03 PT |
240 | } |
241 | ||
242 | sbi->ll_md_exp->exp_connect_data = *data; | |
243 | ||
244 | err = obd_fid_init(sbi->ll_md_exp->exp_obd, sbi->ll_md_exp, | |
245 | LUSTRE_SEQ_METADATA); | |
246 | if (err) { | |
2d00bd17 JP |
247 | CERROR("%s: Can't init metadata layer FID infrastructure, rc = %d\n", |
248 | sbi->ll_md_exp->exp_obd->obd_name, err); | |
34e1f2bb | 249 | goto out_md; |
d7e09d03 PT |
250 | } |
251 | ||
252 | /* For mount, we only need fs info from MDT0, and also in DNE, it | |
253 | * can make sure the client can be mounted as long as MDT0 is | |
c0894c6c OD |
254 | * available |
255 | */ | |
d7e09d03 | 256 | err = obd_statfs(NULL, sbi->ll_md_exp, osfs, |
e15ba45d OD |
257 | cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), |
258 | OBD_STATFS_FOR_MDT0); | |
d7e09d03 | 259 | if (err) |
34e1f2bb | 260 | goto out_md_fid; |
d7e09d03 PT |
261 | |
262 | /* This needs to be after statfs to ensure connect has finished. | |
263 | * Note that "data" does NOT contain the valid connect reply. | |
264 | * If connecting to a 1.8 server there will be no LMV device, so | |
265 | * we can access the MDC export directly and exp_connect_flags will | |
266 | * be non-zero, but if accessing an upgraded 2.1 server it will | |
267 | * have the correct flags filled in. | |
c0894c6c OD |
268 | * XXX: fill in the LMV exp_connect_flags from MDC(s). |
269 | */ | |
d7e09d03 PT |
270 | valid = exp_connect_flags(sbi->ll_md_exp) & CLIENT_CONNECT_MDT_REQD; |
271 | if (exp_connect_flags(sbi->ll_md_exp) != 0 && | |
272 | valid != CLIENT_CONNECT_MDT_REQD) { | |
273 | char *buf; | |
274 | ||
09cbfeaf | 275 | buf = kzalloc(PAGE_SIZE, GFP_KERNEL); |
db562e81 GEHP |
276 | if (!buf) { |
277 | err = -ENOMEM; | |
278 | goto out_md_fid; | |
279 | } | |
09cbfeaf | 280 | obd_connect_flags2str(buf, PAGE_SIZE, |
d7e09d03 | 281 | valid ^ CLIENT_CONNECT_MDT_REQD, ","); |
2d00bd17 | 282 | LCONSOLE_ERROR_MSG(0x170, "Server %s does not support feature(s) needed for correct operation of this client (%s). Please upgrade server or downgrade client.\n", |
d7e09d03 | 283 | sbi->ll_md_exp->exp_obd->obd_name, buf); |
97903a26 | 284 | kfree(buf); |
34e1f2bb JL |
285 | err = -EPROTO; |
286 | goto out_md_fid; | |
d7e09d03 PT |
287 | } |
288 | ||
289 | size = sizeof(*data); | |
290 | err = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_CONN_DATA), | |
291 | KEY_CONN_DATA, &size, data, NULL); | |
292 | if (err) { | |
293 | CERROR("%s: Get connect data failed: rc = %d\n", | |
294 | sbi->ll_md_exp->exp_obd->obd_name, err); | |
34e1f2bb | 295 | goto out_md_fid; |
d7e09d03 PT |
296 | } |
297 | ||
298 | LASSERT(osfs->os_bsize); | |
299 | sb->s_blocksize = osfs->os_bsize; | |
300 | sb->s_blocksize_bits = log2(osfs->os_bsize); | |
301 | sb->s_magic = LL_SUPER_MAGIC; | |
302 | sb->s_maxbytes = MAX_LFS_FILESIZE; | |
303 | sbi->ll_namelen = osfs->os_namelen; | |
d7e09d03 PT |
304 | |
305 | if ((sbi->ll_flags & LL_SBI_USER_XATTR) && | |
306 | !(data->ocd_connect_flags & OBD_CONNECT_XATTR)) { | |
2d00bd17 | 307 | LCONSOLE_INFO("Disabling user_xattr feature because it is not supported on the server\n"); |
d7e09d03 PT |
308 | sbi->ll_flags &= ~LL_SBI_USER_XATTR; |
309 | } | |
310 | ||
311 | if (data->ocd_connect_flags & OBD_CONNECT_ACL) { | |
d7e09d03 | 312 | sb->s_flags |= MS_POSIXACL; |
d7e09d03 PT |
313 | sbi->ll_flags |= LL_SBI_ACL; |
314 | } else { | |
315 | LCONSOLE_INFO("client wants to enable acl, but mdt not!\n"); | |
d7e09d03 | 316 | sb->s_flags &= ~MS_POSIXACL; |
d7e09d03 PT |
317 | sbi->ll_flags &= ~LL_SBI_ACL; |
318 | } | |
319 | ||
d7e09d03 PT |
320 | if (data->ocd_connect_flags & OBD_CONNECT_64BITHASH) |
321 | sbi->ll_flags |= LL_SBI_64BIT_HASH; | |
322 | ||
323 | if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) | |
d8c0b0a9 | 324 | sbi->ll_md_brw_pages = data->ocd_brw_size >> PAGE_SHIFT; |
d7e09d03 | 325 | else |
d8c0b0a9 | 326 | sbi->ll_md_brw_pages = 1; |
d7e09d03 | 327 | |
ae33a836 | 328 | if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK) |
d7e09d03 | 329 | sbi->ll_flags |= LL_SBI_LAYOUT_LOCK; |
d7e09d03 | 330 | |
7fc1f831 AP |
331 | if (data->ocd_ibits_known & MDS_INODELOCK_XATTR) { |
332 | if (!(data->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)) { | |
333 | LCONSOLE_INFO( | |
334 | "%s: disabling xattr cache due to unknown maximum xattr size.\n", | |
335 | dt); | |
336 | } else { | |
337 | sbi->ll_flags |= LL_SBI_XATTR_CACHE; | |
338 | sbi->ll_xattr_cache_enabled = 1; | |
339 | } | |
340 | } | |
341 | ||
d7e09d03 PT |
342 | obd = class_name2obd(dt); |
343 | if (!obd) { | |
344 | CERROR("DT %s: not setup or attached\n", dt); | |
34e1f2bb JL |
345 | err = -ENODEV; |
346 | goto out_md_fid; | |
d7e09d03 PT |
347 | } |
348 | ||
349 | data->ocd_connect_flags = OBD_CONNECT_GRANT | OBD_CONNECT_VERSION | | |
350 | OBD_CONNECT_REQPORTAL | OBD_CONNECT_BRW_SIZE | | |
351 | OBD_CONNECT_CANCELSET | OBD_CONNECT_FID | | |
352 | OBD_CONNECT_SRVLOCK | OBD_CONNECT_TRUNCLOCK| | |
341f1f0a FY |
353 | OBD_CONNECT_AT | OBD_CONNECT_OSS_CAPA | |
354 | OBD_CONNECT_VBR | OBD_CONNECT_FULL20 | | |
355 | OBD_CONNECT_64BITHASH | OBD_CONNECT_MAXBYTES | | |
d7e09d03 PT |
356 | OBD_CONNECT_EINPROGRESS | |
357 | OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE | | |
358 | OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS; | |
359 | ||
360 | if (sbi->ll_flags & LL_SBI_SOM_PREVIEW) | |
361 | data->ocd_connect_flags |= OBD_CONNECT_SOM; | |
362 | ||
363 | if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_CKSUM)) { | |
364 | /* OBD_CONNECT_CKSUM should always be set, even if checksums are | |
365 | * disabled by default, because it can still be enabled on the | |
40cc864a | 366 | * fly via /sys. As a consequence, we still need to come to an |
c0894c6c OD |
367 | * agreement on the supported algorithms at connect time |
368 | */ | |
d7e09d03 PT |
369 | data->ocd_connect_flags |= OBD_CONNECT_CKSUM; |
370 | ||
371 | if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CKSUM_ADLER_ONLY)) | |
372 | data->ocd_cksum_types = OBD_CKSUM_ADLER; | |
373 | else | |
374 | data->ocd_cksum_types = cksum_types_supported_client(); | |
375 | } | |
376 | ||
377 | data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE; | |
d7e09d03 | 378 | |
2d00bd17 JP |
379 | CDEBUG(D_RPCTRACE, "ocd_connect_flags: %#llx ocd_version: %d ocd_grant: %d\n", |
380 | data->ocd_connect_flags, | |
d7e09d03 PT |
381 | data->ocd_version, data->ocd_grant); |
382 | ||
383 | obd->obd_upcall.onu_owner = &sbi->ll_lco; | |
384 | obd->obd_upcall.onu_upcall = cl_ocd_update; | |
385 | ||
386 | data->ocd_brw_size = DT_MAX_BRW_SIZE; | |
387 | ||
388 | err = obd_connect(NULL, &sbi->ll_dt_exp, obd, &sbi->ll_sb_uuid, data, | |
389 | NULL); | |
390 | if (err == -EBUSY) { | |
2d00bd17 JP |
391 | LCONSOLE_ERROR_MSG(0x150, "An OST (dt %s) is performing recovery, of which this client is not a part. Please wait for recovery to complete, abort, or time out.\n", |
392 | dt); | |
34e1f2bb | 393 | goto out_md; |
d7e09d03 PT |
394 | } else if (err) { |
395 | CERROR("%s: Cannot connect to %s: rc = %d\n", | |
396 | sbi->ll_dt_exp->exp_obd->obd_name, dt, err); | |
34e1f2bb | 397 | goto out_md; |
d7e09d03 PT |
398 | } |
399 | ||
400 | sbi->ll_dt_exp->exp_connect_data = *data; | |
401 | ||
402 | err = obd_fid_init(sbi->ll_dt_exp->exp_obd, sbi->ll_dt_exp, | |
403 | LUSTRE_SEQ_METADATA); | |
404 | if (err) { | |
2d00bd17 JP |
405 | CERROR("%s: Can't init data layer FID infrastructure, rc = %d\n", |
406 | sbi->ll_dt_exp->exp_obd->obd_name, err); | |
34e1f2bb | 407 | goto out_dt; |
d7e09d03 PT |
408 | } |
409 | ||
410 | mutex_lock(&sbi->ll_lco.lco_lock); | |
411 | sbi->ll_lco.lco_flags = data->ocd_connect_flags; | |
412 | sbi->ll_lco.lco_md_exp = sbi->ll_md_exp; | |
413 | sbi->ll_lco.lco_dt_exp = sbi->ll_dt_exp; | |
414 | mutex_unlock(&sbi->ll_lco.lco_lock); | |
415 | ||
416 | fid_zero(&sbi->ll_root_fid); | |
ef2e0f55 | 417 | err = md_getstatus(sbi->ll_md_exp, &sbi->ll_root_fid); |
d7e09d03 PT |
418 | if (err) { |
419 | CERROR("cannot mds_connect: rc = %d\n", err); | |
34e1f2bb | 420 | goto out_lock_cn_cb; |
d7e09d03 PT |
421 | } |
422 | if (!fid_is_sane(&sbi->ll_root_fid)) { | |
423 | CERROR("%s: Invalid root fid "DFID" during mount\n", | |
424 | sbi->ll_md_exp->exp_obd->obd_name, | |
425 | PFID(&sbi->ll_root_fid)); | |
34e1f2bb JL |
426 | err = -EINVAL; |
427 | goto out_lock_cn_cb; | |
d7e09d03 PT |
428 | } |
429 | CDEBUG(D_SUPER, "rootfid "DFID"\n", PFID(&sbi->ll_root_fid)); | |
430 | ||
431 | sb->s_op = &lustre_super_operations; | |
2c563880 | 432 | sb->s_xattr = ll_xattr_handlers; |
d7e09d03 PT |
433 | #if THREAD_SIZE >= 8192 /*b=17630*/ |
434 | sb->s_export_op = &lustre_export_operations; | |
435 | #endif | |
436 | ||
437 | /* make root inode | |
c0894c6c OD |
438 | * XXX: move this to after cbd setup? |
439 | */ | |
483eec0d | 440 | valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMODEASIZE; |
341f1f0a | 441 | if (sbi->ll_flags & LL_SBI_ACL) |
d7e09d03 PT |
442 | valid |= OBD_MD_FLACL; |
443 | ||
496a51bd JL |
444 | op_data = kzalloc(sizeof(*op_data), GFP_NOFS); |
445 | if (!op_data) { | |
34e1f2bb JL |
446 | err = -ENOMEM; |
447 | goto out_lock_cn_cb; | |
448 | } | |
d7e09d03 PT |
449 | |
450 | op_data->op_fid1 = sbi->ll_root_fid; | |
451 | op_data->op_mode = 0; | |
d7e09d03 PT |
452 | op_data->op_valid = valid; |
453 | ||
454 | err = md_getattr(sbi->ll_md_exp, op_data, &request); | |
97903a26 | 455 | kfree(op_data); |
d7e09d03 PT |
456 | if (err) { |
457 | CERROR("%s: md_getattr failed for root: rc = %d\n", | |
458 | sbi->ll_md_exp->exp_obd->obd_name, err); | |
34e1f2bb | 459 | goto out_lock_cn_cb; |
d7e09d03 PT |
460 | } |
461 | ||
462 | err = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp, | |
463 | sbi->ll_md_exp, &lmd); | |
464 | if (err) { | |
465 | CERROR("failed to understand root inode md: rc = %d\n", err); | |
466 | ptlrpc_req_finished(request); | |
34e1f2bb | 467 | goto out_lock_cn_cb; |
d7e09d03 PT |
468 | } |
469 | ||
470 | LASSERT(fid_is_sane(&sbi->ll_root_fid)); | |
471 | root = ll_iget(sb, cl_fid_build_ino(&sbi->ll_root_fid, | |
c1e2699d | 472 | sbi->ll_flags & LL_SBI_32BIT_API), |
d7e09d03 PT |
473 | &lmd); |
474 | md_free_lustre_md(sbi->ll_md_exp, &lmd); | |
475 | ptlrpc_req_finished(request); | |
476 | ||
c3397e7e | 477 | if (IS_ERR(root)) { |
d7e09d03 PT |
478 | if (lmd.lsm) |
479 | obd_free_memmd(sbi->ll_dt_exp, &lmd.lsm); | |
480 | #ifdef CONFIG_FS_POSIX_ACL | |
481 | if (lmd.posix_acl) { | |
482 | posix_acl_release(lmd.posix_acl); | |
483 | lmd.posix_acl = NULL; | |
484 | } | |
485 | #endif | |
020ecc6f | 486 | err = -EBADF; |
d7e09d03 | 487 | CERROR("lustre_lite: bad iget4 for root\n"); |
34e1f2bb | 488 | goto out_root; |
d7e09d03 PT |
489 | } |
490 | ||
491 | err = ll_close_thread_start(&sbi->ll_lcq); | |
492 | if (err) { | |
493 | CERROR("cannot start close thread: rc %d\n", err); | |
34e1f2bb | 494 | goto out_root; |
d7e09d03 PT |
495 | } |
496 | ||
d7e09d03 PT |
497 | checksum = sbi->ll_flags & LL_SBI_CHECKSUM; |
498 | err = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CHECKSUM), | |
499 | KEY_CHECKSUM, sizeof(checksum), &checksum, | |
500 | NULL); | |
76cc3abe YS |
501 | if (err) { |
502 | CERROR("%s: Set checksum failed: rc = %d\n", | |
503 | sbi->ll_dt_exp->exp_obd->obd_name, err); | |
504 | goto out_root; | |
505 | } | |
d7e09d03 PT |
506 | cl_sb_init(sb); |
507 | ||
508 | err = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CACHE_SET), | |
1b02bde3 EL |
509 | KEY_CACHE_SET, sizeof(*sbi->ll_cache), |
510 | sbi->ll_cache, NULL); | |
76cc3abe YS |
511 | if (err) { |
512 | CERROR("%s: Set cache_set failed: rc = %d\n", | |
513 | sbi->ll_dt_exp->exp_obd->obd_name, err); | |
514 | goto out_root; | |
515 | } | |
d7e09d03 PT |
516 | |
517 | sb->s_root = d_make_root(root); | |
6e16818b | 518 | if (!sb->s_root) { |
d7e09d03 | 519 | CERROR("%s: can't make root dentry\n", |
e15ba45d | 520 | ll_get_fsname(sb, NULL, 0)); |
34e1f2bb | 521 | err = -ENOMEM; |
caf382fe | 522 | goto out_lock_cn_cb; |
d7e09d03 PT |
523 | } |
524 | ||
d7e09d03 PT |
525 | sbi->ll_sdev_orig = sb->s_dev; |
526 | ||
527 | /* We set sb->s_dev equal on all lustre clients in order to support | |
528 | * NFS export clustering. NFSD requires that the FSID be the same | |
c0894c6c OD |
529 | * on all clients. |
530 | */ | |
d7e09d03 | 531 | /* s_dev is also used in lt_compare() to compare two fs, but that is |
c0894c6c OD |
532 | * only a node-local comparison. |
533 | */ | |
d7e09d03 | 534 | uuid = obd_get_uuid(sbi->ll_md_exp); |
6e16818b | 535 | if (uuid) { |
d7e09d03 | 536 | sb->s_dev = get_uuid2int(uuid->uuid, strlen(uuid->uuid)); |
bd994071 FY |
537 | get_uuid2fsid(uuid->uuid, strlen(uuid->uuid), &sbi->ll_fsid); |
538 | } | |
d7e09d03 | 539 | |
081825f5 JL |
540 | kfree(data); |
541 | kfree(osfs); | |
d7e09d03 | 542 | |
46dfb5aa GM |
543 | if (llite_root) { |
544 | err = ldebugfs_register_mountpoint(llite_root, sb, dt, md); | |
545 | if (err < 0) { | |
546 | CERROR("%s: could not register mount in debugfs: " | |
547 | "rc = %d\n", ll_get_fsname(sb, NULL, 0), err); | |
548 | err = 0; | |
549 | } | |
550 | } | |
551 | ||
0a3bdb00 | 552 | return err; |
d7e09d03 | 553 | out_root: |
ddafd514 | 554 | iput(root); |
d7e09d03 PT |
555 | out_lock_cn_cb: |
556 | obd_fid_fini(sbi->ll_dt_exp->exp_obd); | |
557 | out_dt: | |
558 | obd_disconnect(sbi->ll_dt_exp); | |
559 | sbi->ll_dt_exp = NULL; | |
d7e09d03 PT |
560 | out_md_fid: |
561 | obd_fid_fini(sbi->ll_md_exp->exp_obd); | |
562 | out_md: | |
563 | obd_disconnect(sbi->ll_md_exp); | |
564 | sbi->ll_md_exp = NULL; | |
565 | out: | |
081825f5 JL |
566 | kfree(data); |
567 | kfree(osfs); | |
d7e09d03 PT |
568 | return err; |
569 | } | |
570 | ||
571 | int ll_get_max_mdsize(struct ll_sb_info *sbi, int *lmmsize) | |
572 | { | |
573 | int size, rc; | |
574 | ||
575 | *lmmsize = obd_size_diskmd(sbi->ll_dt_exp, NULL); | |
576 | size = sizeof(int); | |
577 | rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_MAX_EASIZE), | |
578 | KEY_MAX_EASIZE, &size, lmmsize, NULL); | |
579 | if (rc) | |
4f211c20 | 580 | CERROR("Get max mdsize error rc %d\n", rc); |
d7e09d03 | 581 | |
0a3bdb00 | 582 | return rc; |
44779340 BB |
583 | } |
584 | ||
585 | int ll_get_default_mdsize(struct ll_sb_info *sbi, int *lmmsize) | |
586 | { | |
587 | int size, rc; | |
588 | ||
589 | size = sizeof(int); | |
590 | rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_DEFAULT_EASIZE), | |
e15ba45d | 591 | KEY_DEFAULT_EASIZE, &size, lmmsize, NULL); |
44779340 BB |
592 | if (rc) |
593 | CERROR("Get default mdsize error rc %d\n", rc); | |
594 | ||
595 | return rc; | |
596 | } | |
597 | ||
2d95f10e | 598 | static void client_common_put_super(struct super_block *sb) |
d7e09d03 PT |
599 | { |
600 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
d7e09d03 | 601 | |
d7e09d03 PT |
602 | ll_close_thread_shutdown(sbi->ll_lcq); |
603 | ||
604 | cl_sb_fini(sb); | |
605 | ||
d7e09d03 PT |
606 | obd_fid_fini(sbi->ll_dt_exp->exp_obd); |
607 | obd_disconnect(sbi->ll_dt_exp); | |
608 | sbi->ll_dt_exp = NULL; | |
d7e09d03 | 609 | |
ae7c0f48 | 610 | ldebugfs_unregister_mountpoint(sbi); |
d7e09d03 PT |
611 | |
612 | obd_fid_fini(sbi->ll_md_exp->exp_obd); | |
613 | obd_disconnect(sbi->ll_md_exp); | |
614 | sbi->ll_md_exp = NULL; | |
d7e09d03 PT |
615 | } |
616 | ||
617 | void ll_kill_super(struct super_block *sb) | |
618 | { | |
619 | struct ll_sb_info *sbi; | |
620 | ||
d7e09d03 PT |
621 | /* not init sb ?*/ |
622 | if (!(sb->s_flags & MS_ACTIVE)) | |
623 | return; | |
624 | ||
625 | sbi = ll_s2sbi(sb); | |
e6768831 TJ |
626 | /* we need to restore s_dev from changed for clustered NFS before |
627 | * put_super because new kernels have cached s_dev and change sb->s_dev | |
c0894c6c OD |
628 | * in put_super not affected real removing devices |
629 | */ | |
65fb55d1 | 630 | if (sbi) { |
d7e09d03 | 631 | sb->s_dev = sbi->ll_sdev_orig; |
65fb55d1 NY |
632 | sbi->ll_umounting = 1; |
633 | } | |
d7e09d03 PT |
634 | } |
635 | ||
d7e09d03 PT |
636 | static inline int ll_set_opt(const char *opt, char *data, int fl) |
637 | { | |
638 | if (strncmp(opt, data, strlen(opt)) != 0) | |
fbe7c6c7 | 639 | return 0; |
d7e09d03 | 640 | else |
fbe7c6c7 | 641 | return fl; |
d7e09d03 PT |
642 | } |
643 | ||
644 | /* non-client-specific mount options are parsed in lmd_parse */ | |
645 | static int ll_options(char *options, int *flags) | |
646 | { | |
647 | int tmp; | |
648 | char *s1 = options, *s2; | |
d7e09d03 PT |
649 | |
650 | if (!options) | |
0a3bdb00 | 651 | return 0; |
d7e09d03 PT |
652 | |
653 | CDEBUG(D_CONFIG, "Parsing opts %s\n", options); | |
654 | ||
655 | while (*s1) { | |
656 | CDEBUG(D_SUPER, "next opt=%s\n", s1); | |
657 | tmp = ll_set_opt("nolock", s1, LL_SBI_NOLCK); | |
658 | if (tmp) { | |
659 | *flags |= tmp; | |
660 | goto next; | |
661 | } | |
662 | tmp = ll_set_opt("flock", s1, LL_SBI_FLOCK); | |
663 | if (tmp) { | |
664 | *flags |= tmp; | |
665 | goto next; | |
666 | } | |
667 | tmp = ll_set_opt("localflock", s1, LL_SBI_LOCALFLOCK); | |
668 | if (tmp) { | |
669 | *flags |= tmp; | |
670 | goto next; | |
671 | } | |
cd94f231 OD |
672 | tmp = ll_set_opt("noflock", s1, |
673 | LL_SBI_FLOCK | LL_SBI_LOCALFLOCK); | |
d7e09d03 PT |
674 | if (tmp) { |
675 | *flags &= ~tmp; | |
676 | goto next; | |
677 | } | |
678 | tmp = ll_set_opt("user_xattr", s1, LL_SBI_USER_XATTR); | |
679 | if (tmp) { | |
680 | *flags |= tmp; | |
681 | goto next; | |
682 | } | |
683 | tmp = ll_set_opt("nouser_xattr", s1, LL_SBI_USER_XATTR); | |
684 | if (tmp) { | |
685 | *flags &= ~tmp; | |
686 | goto next; | |
687 | } | |
d7e09d03 PT |
688 | tmp = ll_set_opt("user_fid2path", s1, LL_SBI_USER_FID2PATH); |
689 | if (tmp) { | |
690 | *flags |= tmp; | |
691 | goto next; | |
692 | } | |
693 | tmp = ll_set_opt("nouser_fid2path", s1, LL_SBI_USER_FID2PATH); | |
694 | if (tmp) { | |
695 | *flags &= ~tmp; | |
696 | goto next; | |
697 | } | |
698 | ||
699 | tmp = ll_set_opt("checksum", s1, LL_SBI_CHECKSUM); | |
700 | if (tmp) { | |
701 | *flags |= tmp; | |
702 | goto next; | |
703 | } | |
704 | tmp = ll_set_opt("nochecksum", s1, LL_SBI_CHECKSUM); | |
705 | if (tmp) { | |
706 | *flags &= ~tmp; | |
707 | goto next; | |
708 | } | |
709 | tmp = ll_set_opt("lruresize", s1, LL_SBI_LRU_RESIZE); | |
710 | if (tmp) { | |
711 | *flags |= tmp; | |
712 | goto next; | |
713 | } | |
714 | tmp = ll_set_opt("nolruresize", s1, LL_SBI_LRU_RESIZE); | |
715 | if (tmp) { | |
716 | *flags &= ~tmp; | |
717 | goto next; | |
718 | } | |
719 | tmp = ll_set_opt("lazystatfs", s1, LL_SBI_LAZYSTATFS); | |
720 | if (tmp) { | |
721 | *flags |= tmp; | |
722 | goto next; | |
723 | } | |
724 | tmp = ll_set_opt("nolazystatfs", s1, LL_SBI_LAZYSTATFS); | |
725 | if (tmp) { | |
726 | *flags &= ~tmp; | |
727 | goto next; | |
728 | } | |
729 | tmp = ll_set_opt("som_preview", s1, LL_SBI_SOM_PREVIEW); | |
730 | if (tmp) { | |
731 | *flags |= tmp; | |
732 | goto next; | |
733 | } | |
734 | tmp = ll_set_opt("32bitapi", s1, LL_SBI_32BIT_API); | |
735 | if (tmp) { | |
736 | *flags |= tmp; | |
737 | goto next; | |
738 | } | |
739 | tmp = ll_set_opt("verbose", s1, LL_SBI_VERBOSE); | |
740 | if (tmp) { | |
741 | *flags |= tmp; | |
742 | goto next; | |
743 | } | |
744 | tmp = ll_set_opt("noverbose", s1, LL_SBI_VERBOSE); | |
745 | if (tmp) { | |
746 | *flags &= ~tmp; | |
747 | goto next; | |
748 | } | |
749 | LCONSOLE_ERROR_MSG(0x152, "Unknown option '%s', won't mount.\n", | |
750 | s1); | |
0a3bdb00 | 751 | return -EINVAL; |
d7e09d03 PT |
752 | |
753 | next: | |
754 | /* Find next opt */ | |
755 | s2 = strchr(s1, ','); | |
6e16818b | 756 | if (!s2) |
d7e09d03 PT |
757 | break; |
758 | s1 = s2 + 1; | |
759 | } | |
0a3bdb00 | 760 | return 0; |
d7e09d03 PT |
761 | } |
762 | ||
763 | void ll_lli_init(struct ll_inode_info *lli) | |
764 | { | |
765 | lli->lli_inode_magic = LLI_INODE_MAGIC; | |
766 | lli->lli_flags = 0; | |
767 | lli->lli_ioepoch = 0; | |
768 | lli->lli_maxbytes = MAX_LFS_FILESIZE; | |
769 | spin_lock_init(&lli->lli_lock); | |
770 | lli->lli_posix_acl = NULL; | |
d7e09d03 PT |
771 | /* Do not set lli_fid, it has been initialized already. */ |
772 | fid_zero(&lli->lli_pfid); | |
773 | INIT_LIST_HEAD(&lli->lli_close_list); | |
d7e09d03 PT |
774 | lli->lli_pending_och = NULL; |
775 | lli->lli_mds_read_och = NULL; | |
776 | lli->lli_mds_write_och = NULL; | |
777 | lli->lli_mds_exec_och = NULL; | |
778 | lli->lli_open_fd_read_count = 0; | |
779 | lli->lli_open_fd_write_count = 0; | |
780 | lli->lli_open_fd_exec_count = 0; | |
781 | mutex_init(&lli->lli_och_mutex); | |
782 | spin_lock_init(&lli->lli_agl_lock); | |
783 | lli->lli_has_smd = false; | |
09aed8a5 JX |
784 | spin_lock_init(&lli->lli_layout_lock); |
785 | ll_layout_version_set(lli, LL_LAYOUT_GEN_NONE); | |
d7e09d03 PT |
786 | lli->lli_clob = NULL; |
787 | ||
7fc1f831 AP |
788 | init_rwsem(&lli->lli_xattrs_list_rwsem); |
789 | mutex_init(&lli->lli_xattrs_enq_lock); | |
790 | ||
d7e09d03 PT |
791 | LASSERT(lli->lli_vfs_inode.i_mode != 0); |
792 | if (S_ISDIR(lli->lli_vfs_inode.i_mode)) { | |
793 | mutex_init(&lli->lli_readdir_mutex); | |
794 | lli->lli_opendir_key = NULL; | |
795 | lli->lli_sai = NULL; | |
d7e09d03 PT |
796 | spin_lock_init(&lli->lli_sa_lock); |
797 | lli->lli_opendir_pid = 0; | |
798 | } else { | |
47a57bde | 799 | mutex_init(&lli->lli_size_mutex); |
d7e09d03 PT |
800 | lli->lli_symlink_name = NULL; |
801 | init_rwsem(&lli->lli_trunc_sem); | |
802 | mutex_init(&lli->lli_write_mutex); | |
803 | init_rwsem(&lli->lli_glimpse_sem); | |
804 | lli->lli_glimpse_time = 0; | |
805 | INIT_LIST_HEAD(&lli->lli_agl_list); | |
806 | lli->lli_agl_index = 0; | |
807 | lli->lli_async_rc = 0; | |
d7e09d03 PT |
808 | } |
809 | mutex_init(&lli->lli_layout_mutex); | |
810 | } | |
811 | ||
812 | static inline int ll_bdi_register(struct backing_dev_info *bdi) | |
813 | { | |
814 | static atomic_t ll_bdi_num = ATOMIC_INIT(0); | |
815 | ||
816 | bdi->name = "lustre"; | |
817 | return bdi_register(bdi, NULL, "lustre-%d", | |
818 | atomic_inc_return(&ll_bdi_num)); | |
819 | } | |
820 | ||
821 | int ll_fill_super(struct super_block *sb, struct vfsmount *mnt) | |
822 | { | |
823 | struct lustre_profile *lprof = NULL; | |
824 | struct lustre_sb_info *lsi = s2lsi(sb); | |
825 | struct ll_sb_info *sbi; | |
826 | char *dt = NULL, *md = NULL; | |
827 | char *profilenm = get_profile_name(sb); | |
828 | struct config_llog_instance *cfg; | |
d7e09d03 | 829 | int err; |
d7e09d03 PT |
830 | |
831 | CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb); | |
832 | ||
496a51bd JL |
833 | cfg = kzalloc(sizeof(*cfg), GFP_NOFS); |
834 | if (!cfg) | |
0a3bdb00 | 835 | return -ENOMEM; |
d7e09d03 PT |
836 | |
837 | try_module_get(THIS_MODULE); | |
838 | ||
839 | /* client additional sb info */ | |
7551b8b5 NC |
840 | sbi = ll_init_sbi(sb); |
841 | lsi->lsi_llsbi = sbi; | |
d7e09d03 PT |
842 | if (!sbi) { |
843 | module_put(THIS_MODULE); | |
97903a26 | 844 | kfree(cfg); |
0a3bdb00 | 845 | return -ENOMEM; |
d7e09d03 PT |
846 | } |
847 | ||
848 | err = ll_options(lsi->lsi_lmd->lmd_opts, &sbi->ll_flags); | |
849 | if (err) | |
34e1f2bb | 850 | goto out_free; |
d7e09d03 PT |
851 | |
852 | err = bdi_init(&lsi->lsi_bdi); | |
853 | if (err) | |
34e1f2bb | 854 | goto out_free; |
d7e09d03 | 855 | lsi->lsi_flags |= LSI_BDI_INITIALIZED; |
b4caecd4 | 856 | lsi->lsi_bdi.capabilities = 0; |
d7e09d03 PT |
857 | err = ll_bdi_register(&lsi->lsi_bdi); |
858 | if (err) | |
34e1f2bb | 859 | goto out_free; |
d7e09d03 PT |
860 | |
861 | sb->s_bdi = &lsi->lsi_bdi; | |
3ea8f3bc LS |
862 | /* kernel >= 2.6.38 store dentry operations in sb->s_d_op. */ |
863 | sb->s_d_op = &ll_d_ops; | |
d7e09d03 PT |
864 | |
865 | /* Generate a string unique to this super, in case some joker tries | |
c0894c6c OD |
866 | * to mount the same fs at two mount points. |
867 | * Use the address of the super itself. | |
868 | */ | |
d7e09d03 PT |
869 | cfg->cfg_instance = sb; |
870 | cfg->cfg_uuid = lsi->lsi_llsbi->ll_sb_uuid; | |
871 | cfg->cfg_callback = class_config_llog_handler; | |
872 | /* set up client obds */ | |
873 | err = lustre_process_log(sb, profilenm, cfg); | |
4fd9a8e9 | 874 | if (err < 0) |
34e1f2bb | 875 | goto out_free; |
d7e09d03 PT |
876 | |
877 | /* Profile set with LCFG_MOUNTOPT so we can find our mdc and osc obds */ | |
878 | lprof = class_get_profile(profilenm); | |
6e16818b | 879 | if (!lprof) { |
2d00bd17 JP |
880 | LCONSOLE_ERROR_MSG(0x156, "The client profile '%s' could not be read from the MGS. Does that filesystem exist?\n", |
881 | profilenm); | |
34e1f2bb JL |
882 | err = -EINVAL; |
883 | goto out_free; | |
d7e09d03 PT |
884 | } |
885 | CDEBUG(D_CONFIG, "Found profile %s: mdc=%s osc=%s\n", profilenm, | |
886 | lprof->lp_md, lprof->lp_dt); | |
887 | ||
95745e9b | 888 | dt = kasprintf(GFP_NOFS, "%s-%p", lprof->lp_dt, cfg->cfg_instance); |
34e1f2bb JL |
889 | if (!dt) { |
890 | err = -ENOMEM; | |
891 | goto out_free; | |
892 | } | |
d7e09d03 | 893 | |
ef2e1a44 | 894 | md = kasprintf(GFP_NOFS, "%s-%p", lprof->lp_md, cfg->cfg_instance); |
34e1f2bb JL |
895 | if (!md) { |
896 | err = -ENOMEM; | |
897 | goto out_free; | |
898 | } | |
d7e09d03 PT |
899 | |
900 | /* connections, registrations, sb setup */ | |
901 | err = client_common_fill_super(sb, md, dt, mnt); | |
902 | ||
903 | out_free: | |
0550db92 | 904 | kfree(md); |
905 | kfree(dt); | |
d7e09d03 PT |
906 | if (err) |
907 | ll_put_super(sb); | |
908 | else if (sbi->ll_flags & LL_SBI_VERBOSE) | |
909 | LCONSOLE_WARN("Mounted %s\n", profilenm); | |
910 | ||
97903a26 | 911 | kfree(cfg); |
0a3bdb00 | 912 | return err; |
d7e09d03 PT |
913 | } /* ll_fill_super */ |
914 | ||
d7e09d03 PT |
915 | void ll_put_super(struct super_block *sb) |
916 | { | |
7d4bae45 | 917 | struct config_llog_instance cfg, params_cfg; |
d7e09d03 PT |
918 | struct obd_device *obd; |
919 | struct lustre_sb_info *lsi = s2lsi(sb); | |
920 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
921 | char *profilenm = get_profile_name(sb); | |
ac5b1481 | 922 | int ccc_count, next, force = 1, rc = 0; |
d7e09d03 PT |
923 | |
924 | CDEBUG(D_VFSTRACE, "VFS Op: sb %p - %s\n", sb, profilenm); | |
925 | ||
d7e09d03 PT |
926 | cfg.cfg_instance = sb; |
927 | lustre_end_log(sb, profilenm, &cfg); | |
928 | ||
7d4bae45 AB |
929 | params_cfg.cfg_instance = sb; |
930 | lustre_end_log(sb, PARAMS_FILENAME, ¶ms_cfg); | |
931 | ||
d7e09d03 PT |
932 | if (sbi->ll_md_exp) { |
933 | obd = class_exp2obd(sbi->ll_md_exp); | |
934 | if (obd) | |
935 | force = obd->obd_force; | |
936 | } | |
937 | ||
ac5b1481 PS |
938 | /* Wait for unstable pages to be committed to stable storage */ |
939 | if (!force) { | |
940 | struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL); | |
941 | ||
1b02bde3 EL |
942 | rc = l_wait_event(sbi->ll_cache->ccc_unstable_waitq, |
943 | !atomic_read(&sbi->ll_cache->ccc_unstable_nr), | |
ac5b1481 PS |
944 | &lwi); |
945 | } | |
946 | ||
1b02bde3 | 947 | ccc_count = atomic_read(&sbi->ll_cache->ccc_unstable_nr); |
ac5b1481 PS |
948 | if (!force && rc != -EINTR) |
949 | LASSERTF(!ccc_count, "count: %i\n", ccc_count); | |
950 | ||
d7e09d03 | 951 | /* We need to set force before the lov_disconnect in |
c0894c6c OD |
952 | * lustre_common_put_super, since l_d cleans up osc's as well. |
953 | */ | |
d7e09d03 PT |
954 | if (force) { |
955 | next = 0; | |
956 | while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, | |
957 | &next)) != NULL) { | |
958 | obd->obd_force = force; | |
959 | } | |
960 | } | |
961 | ||
962 | if (sbi->ll_lcq) { | |
963 | /* Only if client_common_fill_super succeeded */ | |
964 | client_common_put_super(sb); | |
965 | } | |
966 | ||
967 | next = 0; | |
a15dbf99 | 968 | while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next))) |
d7e09d03 | 969 | class_manual_cleanup(obd); |
d7e09d03 PT |
970 | |
971 | if (sbi->ll_flags & LL_SBI_VERBOSE) | |
972 | LCONSOLE_WARN("Unmounted %s\n", profilenm ? profilenm : ""); | |
973 | ||
974 | if (profilenm) | |
975 | class_del_profile(profilenm); | |
976 | ||
977 | if (lsi->lsi_flags & LSI_BDI_INITIALIZED) { | |
978 | bdi_destroy(&lsi->lsi_bdi); | |
979 | lsi->lsi_flags &= ~LSI_BDI_INITIALIZED; | |
980 | } | |
981 | ||
982 | ll_free_sbi(sb); | |
983 | lsi->lsi_llsbi = NULL; | |
984 | ||
985 | lustre_common_put_super(sb); | |
986 | ||
26f98e82 JX |
987 | cl_env_cache_purge(~0); |
988 | ||
d7e09d03 | 989 | module_put(THIS_MODULE); |
d7e09d03 PT |
990 | } /* client_put_super */ |
991 | ||
992 | struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock) | |
993 | { | |
994 | struct inode *inode = NULL; | |
995 | ||
996 | /* NOTE: we depend on atomic igrab() -bzzz */ | |
997 | lock_res_and_lock(lock); | |
998 | if (lock->l_resource->lr_lvb_inode) { | |
aff9d8e8 | 999 | struct ll_inode_info *lli; |
cf29a7b6 | 1000 | |
d7e09d03 PT |
1001 | lli = ll_i2info(lock->l_resource->lr_lvb_inode); |
1002 | if (lli->lli_inode_magic == LLI_INODE_MAGIC) { | |
1003 | inode = igrab(lock->l_resource->lr_lvb_inode); | |
1004 | } else { | |
1005 | inode = lock->l_resource->lr_lvb_inode; | |
1006 | LDLM_DEBUG_LIMIT(inode->i_state & I_FREEING ? D_INFO : | |
2d00bd17 | 1007 | D_WARNING, lock, "lr_lvb_inode %p is bogus: magic %08x", |
d7e09d03 PT |
1008 | lock->l_resource->lr_lvb_inode, |
1009 | lli->lli_inode_magic); | |
1010 | inode = NULL; | |
1011 | } | |
1012 | } | |
1013 | unlock_res_and_lock(lock); | |
1014 | return inode; | |
1015 | } | |
1016 | ||
2de35386 | 1017 | static void ll_dir_clear_lsm_md(struct inode *inode) |
1018 | { | |
1019 | struct ll_inode_info *lli = ll_i2info(inode); | |
1020 | ||
1021 | LASSERT(S_ISDIR(inode->i_mode)); | |
1022 | ||
1023 | if (lli->lli_lsm_md) { | |
1024 | lmv_free_memmd(lli->lli_lsm_md); | |
1025 | lli->lli_lsm_md = NULL; | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | static struct inode *ll_iget_anon_dir(struct super_block *sb, | |
1030 | const struct lu_fid *fid, | |
1031 | struct lustre_md *md) | |
1032 | { | |
1033 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
1034 | struct mdt_body *body = md->body; | |
1035 | struct inode *inode; | |
1036 | ino_t ino; | |
1037 | ||
1038 | ino = cl_fid_build_ino(fid, sbi->ll_flags & LL_SBI_32BIT_API); | |
1039 | inode = iget_locked(sb, ino); | |
1040 | if (!inode) { | |
1041 | CERROR("%s: failed get simple inode "DFID": rc = -ENOENT\n", | |
1042 | ll_get_fsname(sb, NULL, 0), PFID(fid)); | |
1043 | return ERR_PTR(-ENOENT); | |
1044 | } | |
1045 | ||
1046 | if (inode->i_state & I_NEW) { | |
1047 | struct ll_inode_info *lli = ll_i2info(inode); | |
1048 | struct lmv_stripe_md *lsm = md->lmv; | |
1049 | ||
1050 | inode->i_mode = (inode->i_mode & ~S_IFMT) | | |
2e1b5b8b | 1051 | (body->mbo_mode & S_IFMT); |
2de35386 | 1052 | LASSERTF(S_ISDIR(inode->i_mode), "Not slave inode "DFID"\n", |
1053 | PFID(fid)); | |
1054 | ||
1055 | LTIME_S(inode->i_mtime) = 0; | |
1056 | LTIME_S(inode->i_atime) = 0; | |
1057 | LTIME_S(inode->i_ctime) = 0; | |
1058 | inode->i_rdev = 0; | |
1059 | ||
1060 | inode->i_op = &ll_dir_inode_operations; | |
1061 | inode->i_fop = &ll_dir_operations; | |
1062 | lli->lli_fid = *fid; | |
1063 | ll_lli_init(lli); | |
1064 | ||
1065 | LASSERT(lsm); | |
8f18c8a4 | 1066 | /* master object FID */ |
2e1b5b8b | 1067 | lli->lli_pfid = body->mbo_fid1; |
8f18c8a4 | 1068 | CDEBUG(D_INODE, "lli %p slave "DFID" master "DFID"\n", |
2de35386 | 1069 | lli, PFID(fid), PFID(&lli->lli_pfid)); |
1070 | unlock_new_inode(inode); | |
1071 | } | |
1072 | ||
1073 | return inode; | |
1074 | } | |
1075 | ||
1076 | static int ll_init_lsm_md(struct inode *inode, struct lustre_md *md) | |
1077 | { | |
1078 | struct lmv_stripe_md *lsm = md->lmv; | |
1079 | struct lu_fid *fid; | |
1080 | int i; | |
1081 | ||
1082 | LASSERT(lsm); | |
1083 | /* | |
1084 | * XXX sigh, this lsm_root initialization should be in | |
1085 | * LMV layer, but it needs ll_iget right now, so we | |
1086 | * put this here right now. | |
1087 | */ | |
1088 | for (i = 0; i < lsm->lsm_md_stripe_count; i++) { | |
1089 | fid = &lsm->lsm_md_oinfo[i].lmo_fid; | |
1090 | LASSERT(!lsm->lsm_md_oinfo[i].lmo_root); | |
8f18c8a4 | 1091 | /* Unfortunately ll_iget will call ll_update_inode, |
1092 | * where the initialization of slave inode is slightly | |
1093 | * different, so it reset lsm_md to NULL to avoid | |
1094 | * initializing lsm for slave inode. | |
1095 | */ | |
1096 | /* For migrating inode, master stripe and master object will | |
1097 | * be same, so we only need assign this inode | |
1098 | */ | |
1099 | if (lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION && !i) | |
2de35386 | 1100 | lsm->lsm_md_oinfo[i].lmo_root = inode; |
8f18c8a4 | 1101 | else |
2de35386 | 1102 | lsm->lsm_md_oinfo[i].lmo_root = |
1103 | ll_iget_anon_dir(inode->i_sb, fid, md); | |
8f18c8a4 | 1104 | if (IS_ERR(lsm->lsm_md_oinfo[i].lmo_root)) { |
1105 | int rc = PTR_ERR(lsm->lsm_md_oinfo[i].lmo_root); | |
2de35386 | 1106 | |
8f18c8a4 | 1107 | lsm->lsm_md_oinfo[i].lmo_root = NULL; |
1108 | return rc; | |
2de35386 | 1109 | } |
1110 | } | |
1111 | ||
1112 | /* | |
1113 | * Here is where the lsm is being initialized(fill lmo_info) after | |
1114 | * client retrieve MD stripe information from MDT. | |
1115 | */ | |
1116 | return md_update_lsm_md(ll_i2mdexp(inode), lsm, md->body, | |
1117 | ll_md_blocking_ast); | |
1118 | } | |
1119 | ||
1120 | static inline int lli_lsm_md_eq(const struct lmv_stripe_md *lsm_md1, | |
1121 | const struct lmv_stripe_md *lsm_md2) | |
1122 | { | |
1123 | return lsm_md1->lsm_md_magic == lsm_md2->lsm_md_magic && | |
1124 | lsm_md1->lsm_md_stripe_count == lsm_md2->lsm_md_stripe_count && | |
1125 | lsm_md1->lsm_md_master_mdt_index == | |
1126 | lsm_md2->lsm_md_master_mdt_index && | |
1127 | lsm_md1->lsm_md_hash_type == lsm_md2->lsm_md_hash_type && | |
1128 | lsm_md1->lsm_md_layout_version == | |
1129 | lsm_md2->lsm_md_layout_version && | |
1130 | !strcmp(lsm_md1->lsm_md_pool_name, | |
1131 | lsm_md2->lsm_md_pool_name); | |
1132 | } | |
1133 | ||
c3397e7e | 1134 | static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md) |
2de35386 | 1135 | { |
1136 | struct ll_inode_info *lli = ll_i2info(inode); | |
1137 | struct lmv_stripe_md *lsm = md->lmv; | |
8f18c8a4 | 1138 | int rc; |
2de35386 | 1139 | |
2de35386 | 1140 | LASSERT(S_ISDIR(inode->i_mode)); |
79496845 | 1141 | CDEBUG(D_INODE, "update lsm %p of "DFID"\n", lli->lli_lsm_md, |
1142 | PFID(ll_inode2fid(inode))); | |
1143 | ||
1144 | /* no striped information from request. */ | |
1145 | if (!lsm) { | |
1146 | if (!lli->lli_lsm_md) { | |
c3397e7e | 1147 | return 0; |
8f18c8a4 | 1148 | } else if (lli->lli_lsm_md->lsm_md_hash_type & |
1149 | LMV_HASH_FLAG_MIGRATION) { | |
79496845 | 1150 | /* |
1151 | * migration is done, the temporay MIGRATE layout has | |
1152 | * been removed | |
1153 | */ | |
1154 | CDEBUG(D_INODE, DFID" finish migration.\n", | |
1155 | PFID(ll_inode2fid(inode))); | |
1156 | lmv_free_memmd(lli->lli_lsm_md); | |
1157 | lli->lli_lsm_md = NULL; | |
c3397e7e | 1158 | return 0; |
79496845 | 1159 | } else { |
1160 | /* | |
1161 | * The lustre_md from req does not include stripeEA, | |
1162 | * see ll_md_setattr | |
1163 | */ | |
c3397e7e | 1164 | return 0; |
79496845 | 1165 | } |
1166 | } | |
1167 | ||
1168 | /* set the directory layout */ | |
2de35386 | 1169 | if (!lli->lli_lsm_md) { |
2de35386 | 1170 | rc = ll_init_lsm_md(inode, md); |
c3397e7e | 1171 | if (rc) |
1172 | return rc; | |
1173 | ||
2de35386 | 1174 | lli->lli_lsm_md = lsm; |
1175 | /* | |
1176 | * set lsm_md to NULL, so the following free lustre_md | |
1177 | * will not free this lsm | |
1178 | */ | |
1179 | md->lmv = NULL; | |
79496845 | 1180 | CDEBUG(D_INODE, "Set lsm %p magic %x to "DFID"\n", lsm, |
1181 | lsm->lsm_md_magic, PFID(ll_inode2fid(inode))); | |
c3397e7e | 1182 | return 0; |
2de35386 | 1183 | } |
1184 | ||
1185 | /* Compare the old and new stripe information */ | |
8f18c8a4 | 1186 | if (!lsm_md_eq(lli->lli_lsm_md, lsm)) { |
1187 | struct lmv_stripe_md *old_lsm = lli->lli_lsm_md; | |
1188 | int idx; | |
1189 | ||
1190 | CERROR("%s: inode "DFID"(%p)'s lmv layout mismatch (%p)/(%p) magic:0x%x/0x%x stripe count: %d/%d master_mdt: %d/%d hash_type:0x%x/0x%x layout: 0x%x/0x%x pool:%s/%s\n", | |
1191 | ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid), | |
1192 | inode, lsm, old_lsm, | |
1193 | lsm->lsm_md_magic, old_lsm->lsm_md_magic, | |
2de35386 | 1194 | lsm->lsm_md_stripe_count, |
8f18c8a4 | 1195 | old_lsm->lsm_md_stripe_count, |
2de35386 | 1196 | lsm->lsm_md_master_mdt_index, |
8f18c8a4 | 1197 | old_lsm->lsm_md_master_mdt_index, |
1198 | lsm->lsm_md_hash_type, old_lsm->lsm_md_hash_type, | |
2de35386 | 1199 | lsm->lsm_md_layout_version, |
8f18c8a4 | 1200 | old_lsm->lsm_md_layout_version, |
2de35386 | 1201 | lsm->lsm_md_pool_name, |
8f18c8a4 | 1202 | old_lsm->lsm_md_pool_name); |
1203 | ||
1204 | for (idx = 0; idx < old_lsm->lsm_md_stripe_count; idx++) { | |
1205 | CERROR("%s: sub FIDs in old lsm idx %d, old: "DFID"\n", | |
1206 | ll_get_fsname(inode->i_sb, NULL, 0), idx, | |
1207 | PFID(&old_lsm->lsm_md_oinfo[idx].lmo_fid)); | |
1208 | } | |
2de35386 | 1209 | |
8f18c8a4 | 1210 | for (idx = 0; idx < lsm->lsm_md_stripe_count; idx++) { |
1211 | CERROR("%s: sub FIDs in new lsm idx %d, new: "DFID"\n", | |
2de35386 | 1212 | ll_get_fsname(inode->i_sb, NULL, 0), idx, |
2de35386 | 1213 | PFID(&lsm->lsm_md_oinfo[idx].lmo_fid)); |
2de35386 | 1214 | } |
8f18c8a4 | 1215 | |
1216 | return -EIO; | |
2de35386 | 1217 | } |
1218 | ||
8f18c8a4 | 1219 | return 0; |
2de35386 | 1220 | } |
1221 | ||
d7e09d03 PT |
1222 | void ll_clear_inode(struct inode *inode) |
1223 | { | |
1224 | struct ll_inode_info *lli = ll_i2info(inode); | |
1225 | struct ll_sb_info *sbi = ll_i2sbi(inode); | |
d7e09d03 | 1226 | |
97a075cd JN |
1227 | CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", |
1228 | PFID(ll_inode2fid(inode)), inode); | |
d7e09d03 PT |
1229 | |
1230 | if (S_ISDIR(inode->i_mode)) { | |
1231 | /* these should have been cleared in ll_file_release */ | |
6e16818b OD |
1232 | LASSERT(!lli->lli_opendir_key); |
1233 | LASSERT(!lli->lli_sai); | |
d7e09d03 PT |
1234 | LASSERT(lli->lli_opendir_pid == 0); |
1235 | } | |
1236 | ||
ae5ef67b | 1237 | spin_lock(&lli->lli_lock); |
d7e09d03 | 1238 | ll_i2info(inode)->lli_flags &= ~LLIF_MDS_SIZE_LOCK; |
ae5ef67b | 1239 | spin_unlock(&lli->lli_lock); |
d7e09d03 PT |
1240 | md_null_inode(sbi->ll_md_exp, ll_inode2fid(inode)); |
1241 | ||
1242 | LASSERT(!lli->lli_open_fd_write_count); | |
1243 | LASSERT(!lli->lli_open_fd_read_count); | |
1244 | LASSERT(!lli->lli_open_fd_exec_count); | |
1245 | ||
1246 | if (lli->lli_mds_write_och) | |
1247 | ll_md_real_close(inode, FMODE_WRITE); | |
1248 | if (lli->lli_mds_exec_och) | |
1249 | ll_md_real_close(inode, FMODE_EXEC); | |
1250 | if (lli->lli_mds_read_och) | |
1251 | ll_md_real_close(inode, FMODE_READ); | |
1252 | ||
a5cb8880 | 1253 | if (S_ISLNK(inode->i_mode)) { |
97903a26 | 1254 | kfree(lli->lli_symlink_name); |
d7e09d03 PT |
1255 | lli->lli_symlink_name = NULL; |
1256 | } | |
1257 | ||
7fc1f831 AP |
1258 | ll_xattr_cache_destroy(inode); |
1259 | ||
d7e09d03 | 1260 | #ifdef CONFIG_FS_POSIX_ACL |
341f1f0a | 1261 | if (lli->lli_posix_acl) { |
d7e09d03 PT |
1262 | posix_acl_release(lli->lli_posix_acl); |
1263 | lli->lli_posix_acl = NULL; | |
1264 | } | |
1265 | #endif | |
1266 | lli->lli_inode_magic = LLI_INODE_DEAD; | |
1267 | ||
2de35386 | 1268 | if (S_ISDIR(inode->i_mode)) |
1269 | ll_dir_clear_lsm_md(inode); | |
c3397e7e | 1270 | if (S_ISREG(inode->i_mode) && !is_bad_inode(inode)) |
d7e09d03 PT |
1271 | LASSERT(list_empty(&lli->lli_agl_list)); |
1272 | ||
1273 | /* | |
1274 | * XXX This has to be done before lsm is freed below, because | |
1275 | * cl_object still uses inode lsm. | |
1276 | */ | |
1277 | cl_inode_fini(inode); | |
1278 | lli->lli_has_smd = false; | |
d7e09d03 PT |
1279 | } |
1280 | ||
b81f9b6d OD |
1281 | #define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET) |
1282 | ||
3d3ab8cc | 1283 | static int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data, |
e15ba45d | 1284 | struct md_open_data **mod) |
d7e09d03 PT |
1285 | { |
1286 | struct lustre_md md; | |
2b0143b5 | 1287 | struct inode *inode = d_inode(dentry); |
d7e09d03 PT |
1288 | struct ll_sb_info *sbi = ll_i2sbi(inode); |
1289 | struct ptlrpc_request *request = NULL; | |
1290 | int rc, ia_valid; | |
d7e09d03 PT |
1291 | |
1292 | op_data = ll_prep_md_op_data(op_data, inode, NULL, NULL, 0, 0, | |
1293 | LUSTRE_OPC_ANY, NULL); | |
1294 | if (IS_ERR(op_data)) | |
0a3bdb00 | 1295 | return PTR_ERR(op_data); |
d7e09d03 PT |
1296 | |
1297 | rc = md_setattr(sbi->ll_md_exp, op_data, NULL, 0, NULL, 0, | |
1298 | &request, mod); | |
1299 | if (rc) { | |
1300 | ptlrpc_req_finished(request); | |
1301 | if (rc == -ENOENT) { | |
1302 | clear_nlink(inode); | |
1303 | /* Unlinked special device node? Or just a race? | |
c0894c6c OD |
1304 | * Pretend we did everything. |
1305 | */ | |
d7e09d03 PT |
1306 | if (!S_ISREG(inode->i_mode) && |
1307 | !S_ISDIR(inode->i_mode)) { | |
1308 | ia_valid = op_data->op_attr.ia_valid; | |
1309 | op_data->op_attr.ia_valid &= ~TIMES_SET_FLAGS; | |
1310 | rc = simple_setattr(dentry, &op_data->op_attr); | |
1311 | op_data->op_attr.ia_valid = ia_valid; | |
1312 | } | |
1313 | } else if (rc != -EPERM && rc != -EACCES && rc != -ETXTBSY) { | |
1314 | CERROR("md_setattr fails: rc = %d\n", rc); | |
1315 | } | |
0a3bdb00 | 1316 | return rc; |
d7e09d03 PT |
1317 | } |
1318 | ||
1319 | rc = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp, | |
1320 | sbi->ll_md_exp, &md); | |
1321 | if (rc) { | |
1322 | ptlrpc_req_finished(request); | |
0a3bdb00 | 1323 | return rc; |
d7e09d03 PT |
1324 | } |
1325 | ||
251c4317 | 1326 | ia_valid = op_data->op_attr.ia_valid; |
ef2e0f55 | 1327 | /* inode size will be in cl_setattr_ost, can't do it now since dirty |
c0894c6c OD |
1328 | * cache is not cleared yet. |
1329 | */ | |
251c4317 JH |
1330 | op_data->op_attr.ia_valid &= ~(TIMES_SET_FLAGS | ATTR_SIZE); |
1331 | rc = simple_setattr(dentry, &op_data->op_attr); | |
1332 | op_data->op_attr.ia_valid = ia_valid; | |
1333 | ||
d7e09d03 | 1334 | /* Extract epoch data if obtained. */ |
2e1b5b8b JH |
1335 | op_data->op_handle = md.body->mbo_handle; |
1336 | op_data->op_ioepoch = md.body->mbo_ioepoch; | |
d7e09d03 | 1337 | |
c3397e7e | 1338 | rc = ll_update_inode(inode, &md); |
d7e09d03 PT |
1339 | ptlrpc_req_finished(request); |
1340 | ||
0a3bdb00 | 1341 | return rc; |
d7e09d03 PT |
1342 | } |
1343 | ||
1344 | /* Close IO epoch and send Size-on-MDS attribute update. */ | |
1345 | static int ll_setattr_done_writing(struct inode *inode, | |
1346 | struct md_op_data *op_data, | |
1347 | struct md_open_data *mod) | |
1348 | { | |
1349 | struct ll_inode_info *lli = ll_i2info(inode); | |
1350 | int rc = 0; | |
d7e09d03 | 1351 | |
d7e09d03 | 1352 | if (!S_ISREG(inode->i_mode)) |
0a3bdb00 | 1353 | return 0; |
d7e09d03 | 1354 | |
b0f5aad5 | 1355 | CDEBUG(D_INODE, "Epoch %llu closed on "DFID" for truncate\n", |
d7e09d03 PT |
1356 | op_data->op_ioepoch, PFID(&lli->lli_fid)); |
1357 | ||
1358 | op_data->op_flags = MF_EPOCH_CLOSE; | |
1359 | ll_done_writing_attr(inode, op_data); | |
1360 | ll_pack_inode2opdata(inode, op_data, NULL); | |
1361 | ||
1362 | rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, mod); | |
9d927bc5 | 1363 | if (rc == -EAGAIN) |
d7e09d03 | 1364 | /* MDS has instructed us to obtain Size-on-MDS attribute |
c0894c6c OD |
1365 | * from OSTs and send setattr to back to MDS. |
1366 | */ | |
d7e09d03 | 1367 | rc = ll_som_update(inode, op_data); |
97a075cd JN |
1368 | else if (rc) { |
1369 | CERROR("%s: inode "DFID" mdc truncate failed: rc = %d\n", | |
24c198e9 OD |
1370 | ll_i2sbi(inode)->ll_md_exp->exp_obd->obd_name, |
1371 | PFID(ll_inode2fid(inode)), rc); | |
97a075cd | 1372 | } |
0a3bdb00 | 1373 | return rc; |
d7e09d03 PT |
1374 | } |
1375 | ||
d7e09d03 PT |
1376 | /* If this inode has objects allocated to it (lsm != NULL), then the OST |
1377 | * object(s) determine the file size and mtime. Otherwise, the MDS will | |
1378 | * keep these values until such a time that objects are allocated for it. | |
1379 | * We do the MDS operations first, as it is checking permissions for us. | |
1380 | * We don't to the MDS RPC if there is nothing that we want to store there, | |
1381 | * otherwise there is no harm in updating mtime/atime on the MDS if we are | |
1382 | * going to do an RPC anyways. | |
1383 | * | |
1384 | * If we are doing a truncate, we will send the mtime and ctime updates | |
1385 | * to the OST with the punch RPC, otherwise we do an explicit setattr RPC. | |
1386 | * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE | |
1387 | * at the same time. | |
a720b790 JL |
1388 | * |
1389 | * In case of HSMimport, we only set attr on MDS. | |
d7e09d03 | 1390 | */ |
a720b790 | 1391 | int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import) |
d7e09d03 | 1392 | { |
2b0143b5 | 1393 | struct inode *inode = d_inode(dentry); |
d7e09d03 PT |
1394 | struct ll_inode_info *lli = ll_i2info(inode); |
1395 | struct md_op_data *op_data = NULL; | |
1396 | struct md_open_data *mod = NULL; | |
5ea17d6c | 1397 | bool file_is_released = false; |
d7e09d03 | 1398 | int rc = 0, rc1 = 0; |
d7e09d03 | 1399 | |
97a075cd JN |
1400 | CDEBUG(D_VFSTRACE, "%s: setattr inode "DFID"(%p) from %llu to %llu, valid %x, hsm_import %d\n", |
1401 | ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid), inode, | |
1402 | i_size_read(inode), attr->ia_size, attr->ia_valid, hsm_import); | |
d7e09d03 PT |
1403 | |
1404 | if (attr->ia_valid & ATTR_SIZE) { | |
1405 | /* Check new size against VFS/VM file size limit and rlimit */ | |
1406 | rc = inode_newsize_ok(inode, attr->ia_size); | |
1407 | if (rc) | |
0a3bdb00 | 1408 | return rc; |
d7e09d03 PT |
1409 | |
1410 | /* The maximum Lustre file size is variable, based on the | |
1411 | * OST maximum object size and number of stripes. This | |
c0894c6c OD |
1412 | * needs another check in addition to the VFS check above. |
1413 | */ | |
d7e09d03 | 1414 | if (attr->ia_size > ll_file_maxbytes(inode)) { |
1d8cb70c | 1415 | CDEBUG(D_INODE, "file "DFID" too large %llu > %llu\n", |
d7e09d03 PT |
1416 | PFID(&lli->lli_fid), attr->ia_size, |
1417 | ll_file_maxbytes(inode)); | |
0a3bdb00 | 1418 | return -EFBIG; |
d7e09d03 PT |
1419 | } |
1420 | ||
1421 | attr->ia_valid |= ATTR_MTIME | ATTR_CTIME; | |
1422 | } | |
1423 | ||
1424 | /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */ | |
1425 | if (attr->ia_valid & TIMES_SET_FLAGS) { | |
4b1a25f0 | 1426 | if ((!uid_eq(current_fsuid(), inode->i_uid)) && |
2eb90a75 | 1427 | !capable(CFS_CAP_FOWNER)) |
0a3bdb00 | 1428 | return -EPERM; |
d7e09d03 PT |
1429 | } |
1430 | ||
1431 | /* We mark all of the fields "set" so MDS/OST does not re-set them */ | |
1432 | if (attr->ia_valid & ATTR_CTIME) { | |
0f1c743b | 1433 | attr->ia_ctime = CURRENT_TIME; |
d7e09d03 PT |
1434 | attr->ia_valid |= ATTR_CTIME_SET; |
1435 | } | |
1436 | if (!(attr->ia_valid & ATTR_ATIME_SET) && | |
1437 | (attr->ia_valid & ATTR_ATIME)) { | |
0f1c743b | 1438 | attr->ia_atime = CURRENT_TIME; |
d7e09d03 PT |
1439 | attr->ia_valid |= ATTR_ATIME_SET; |
1440 | } | |
1441 | if (!(attr->ia_valid & ATTR_MTIME_SET) && | |
1442 | (attr->ia_valid & ATTR_MTIME)) { | |
0f1c743b | 1443 | attr->ia_mtime = CURRENT_TIME; |
d7e09d03 PT |
1444 | attr->ia_valid |= ATTR_MTIME_SET; |
1445 | } | |
1446 | ||
1447 | if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME)) | |
8d7eed54 | 1448 | CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %llu\n", |
d7e09d03 | 1449 | LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime), |
8d7eed54 | 1450 | (s64)ktime_get_real_seconds()); |
d7e09d03 | 1451 | |
d7e09d03 | 1452 | /* We always do an MDS RPC, even if we're only changing the size; |
c0894c6c OD |
1453 | * only the MDS knows whether truncate() should fail with -ETXTBUSY |
1454 | */ | |
d7e09d03 | 1455 | |
496a51bd JL |
1456 | op_data = kzalloc(sizeof(*op_data), GFP_NOFS); |
1457 | if (!op_data) | |
0a3bdb00 | 1458 | return -ENOMEM; |
d7e09d03 | 1459 | |
81e053c7 | 1460 | if (!S_ISDIR(inode->i_mode)) |
5955102c | 1461 | inode_unlock(inode); |
d7e09d03 | 1462 | |
5ea17d6c JL |
1463 | /* truncate on a released file must failed with -ENODATA, |
1464 | * so size must not be set on MDS for released file | |
1465 | * but other attributes must be set | |
1466 | */ | |
1467 | if (S_ISREG(inode->i_mode)) { | |
1468 | struct lov_stripe_md *lsm; | |
1469 | __u32 gen; | |
1470 | ||
1471 | ll_layout_refresh(inode, &gen); | |
1472 | lsm = ccc_inode_lsm_get(inode); | |
1473 | if (lsm && lsm->lsm_pattern & LOV_PATTERN_F_RELEASED) | |
1474 | file_is_released = true; | |
1475 | ccc_inode_lsm_put(inode, lsm); | |
1b1594da JX |
1476 | |
1477 | if (!hsm_import && attr->ia_valid & ATTR_SIZE) { | |
1478 | if (file_is_released) { | |
1479 | rc = ll_layout_restore(inode, 0, attr->ia_size); | |
1480 | if (rc < 0) | |
1481 | goto out; | |
1482 | ||
1483 | file_is_released = false; | |
1484 | ll_layout_refresh(inode, &gen); | |
1485 | } | |
1486 | ||
1487 | /* | |
1488 | * If we are changing file size, file content is | |
1489 | * modified, flag it. | |
1490 | */ | |
1491 | attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE; | |
1492 | spin_lock(&lli->lli_lock); | |
1493 | lli->lli_flags |= LLIF_DATA_MODIFIED; | |
1494 | spin_unlock(&lli->lli_lock); | |
1495 | op_data->op_bias |= MDS_DATA_MODIFIED; | |
1496 | } | |
5ea17d6c JL |
1497 | } |
1498 | ||
1b1594da JX |
1499 | memcpy(&op_data->op_attr, attr, sizeof(*attr)); |
1500 | ||
1501 | /* Open epoch for truncate. */ | |
1502 | if (exp_connect_som(ll_i2mdexp(inode)) && !hsm_import && | |
1503 | (attr->ia_valid & (ATTR_SIZE | ATTR_MTIME | ATTR_MTIME_SET))) | |
1504 | op_data->op_flags = MF_EPOCH_OPEN; | |
5ea17d6c | 1505 | |
d7e09d03 PT |
1506 | rc = ll_md_setattr(dentry, op_data, &mod); |
1507 | if (rc) | |
34e1f2bb | 1508 | goto out; |
d7e09d03 PT |
1509 | |
1510 | /* RPC to MDT is sent, cancel data modification flag */ | |
5210a63a | 1511 | if (op_data->op_bias & MDS_DATA_MODIFIED) { |
d7e09d03 PT |
1512 | spin_lock(&lli->lli_lock); |
1513 | lli->lli_flags &= ~LLIF_DATA_MODIFIED; | |
1514 | spin_unlock(&lli->lli_lock); | |
1515 | } | |
1516 | ||
1517 | ll_ioepoch_open(lli, op_data->op_ioepoch); | |
1b1594da | 1518 | if (!S_ISREG(inode->i_mode) || file_is_released) { |
34e1f2bb JL |
1519 | rc = 0; |
1520 | goto out; | |
1521 | } | |
d7e09d03 PT |
1522 | |
1523 | if (attr->ia_valid & (ATTR_SIZE | | |
1524 | ATTR_ATIME | ATTR_ATIME_SET | | |
53bd4a00 | 1525 | ATTR_MTIME | ATTR_MTIME_SET)) { |
d7e09d03 PT |
1526 | /* For truncate and utimes sending attributes to OSTs, setting |
1527 | * mtime/atime to the past will be performed under PW [0:EOF] | |
1528 | * extent lock (new_size:EOF for truncate). It may seem | |
1529 | * excessive to send mtime/atime updates to OSTs when not | |
1530 | * setting times to past, but it is necessary due to possible | |
c0894c6c OD |
1531 | * time de-synchronization between MDT inode and OST objects |
1532 | */ | |
178ba1e0 BJ |
1533 | if (attr->ia_valid & ATTR_SIZE) |
1534 | down_write(&lli->lli_trunc_sem); | |
ef2e0f55 | 1535 | rc = cl_setattr_ost(inode, attr); |
178ba1e0 BJ |
1536 | if (attr->ia_valid & ATTR_SIZE) |
1537 | up_write(&lli->lli_trunc_sem); | |
53bd4a00 | 1538 | } |
d7e09d03 | 1539 | out: |
83d6b8fe SB |
1540 | if (op_data->op_ioepoch) { |
1541 | rc1 = ll_setattr_done_writing(inode, op_data, mod); | |
1542 | if (!rc) | |
1543 | rc = rc1; | |
d7e09d03 | 1544 | } |
83d6b8fe SB |
1545 | ll_finish_md_op_data(op_data); |
1546 | ||
d7e09d03 | 1547 | if (!S_ISDIR(inode->i_mode)) { |
5955102c | 1548 | inode_lock(inode); |
a720b790 | 1549 | if ((attr->ia_valid & ATTR_SIZE) && !hsm_import) |
d7e09d03 PT |
1550 | inode_dio_wait(inode); |
1551 | } | |
1552 | ||
1553 | ll_stats_ops_tally(ll_i2sbi(inode), (attr->ia_valid & ATTR_SIZE) ? | |
1554 | LPROC_LL_TRUNC : LPROC_LL_SETATTR, 1); | |
1555 | ||
251c4317 | 1556 | return rc; |
d7e09d03 PT |
1557 | } |
1558 | ||
1559 | int ll_setattr(struct dentry *de, struct iattr *attr) | |
1560 | { | |
2b0143b5 | 1561 | int mode = d_inode(de)->i_mode; |
d7e09d03 | 1562 | |
cd94f231 OD |
1563 | if ((attr->ia_valid & (ATTR_CTIME | ATTR_SIZE | ATTR_MODE)) == |
1564 | (ATTR_CTIME | ATTR_SIZE | ATTR_MODE)) | |
d7e09d03 PT |
1565 | attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE; |
1566 | ||
cd94f231 OD |
1567 | if (((attr->ia_valid & (ATTR_MODE | ATTR_FORCE | ATTR_SIZE)) == |
1568 | (ATTR_SIZE | ATTR_MODE)) && | |
d7e09d03 | 1569 | (((mode & S_ISUID) && !(attr->ia_mode & S_ISUID)) || |
cd94f231 | 1570 | (((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) && |
d7e09d03 PT |
1571 | !(attr->ia_mode & S_ISGID)))) |
1572 | attr->ia_valid |= ATTR_FORCE; | |
1573 | ||
98639249 NC |
1574 | if ((attr->ia_valid & ATTR_MODE) && |
1575 | (mode & S_ISUID) && | |
d7e09d03 PT |
1576 | !(attr->ia_mode & S_ISUID) && |
1577 | !(attr->ia_valid & ATTR_KILL_SUID)) | |
1578 | attr->ia_valid |= ATTR_KILL_SUID; | |
1579 | ||
98639249 | 1580 | if ((attr->ia_valid & ATTR_MODE) && |
cd94f231 | 1581 | ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) && |
d7e09d03 PT |
1582 | !(attr->ia_mode & S_ISGID) && |
1583 | !(attr->ia_valid & ATTR_KILL_SGID)) | |
1584 | attr->ia_valid |= ATTR_KILL_SGID; | |
1585 | ||
a720b790 | 1586 | return ll_setattr_raw(de, attr, false); |
d7e09d03 PT |
1587 | } |
1588 | ||
1589 | int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs, | |
1590 | __u64 max_age, __u32 flags) | |
1591 | { | |
1592 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
1593 | struct obd_statfs obd_osfs; | |
1594 | int rc; | |
d7e09d03 PT |
1595 | |
1596 | rc = obd_statfs(NULL, sbi->ll_md_exp, osfs, max_age, flags); | |
1597 | if (rc) { | |
1598 | CERROR("md_statfs fails: rc = %d\n", rc); | |
0a3bdb00 | 1599 | return rc; |
d7e09d03 PT |
1600 | } |
1601 | ||
1602 | osfs->os_type = sb->s_magic; | |
1603 | ||
b0f5aad5 | 1604 | CDEBUG(D_SUPER, "MDC blocks %llu/%llu objects %llu/%llu\n", |
1d8cb70c GD |
1605 | osfs->os_bavail, osfs->os_blocks, osfs->os_ffree, |
1606 | osfs->os_files); | |
d7e09d03 PT |
1607 | |
1608 | if (sbi->ll_flags & LL_SBI_LAZYSTATFS) | |
1609 | flags |= OBD_STATFS_NODELAY; | |
1610 | ||
1611 | rc = obd_statfs_rqset(sbi->ll_dt_exp, &obd_osfs, max_age, flags); | |
1612 | if (rc) { | |
1613 | CERROR("obd_statfs fails: rc = %d\n", rc); | |
0a3bdb00 | 1614 | return rc; |
d7e09d03 PT |
1615 | } |
1616 | ||
b0f5aad5 | 1617 | CDEBUG(D_SUPER, "OSC blocks %llu/%llu objects %llu/%llu\n", |
d7e09d03 PT |
1618 | obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree, |
1619 | obd_osfs.os_files); | |
1620 | ||
1621 | osfs->os_bsize = obd_osfs.os_bsize; | |
1622 | osfs->os_blocks = obd_osfs.os_blocks; | |
1623 | osfs->os_bfree = obd_osfs.os_bfree; | |
1624 | osfs->os_bavail = obd_osfs.os_bavail; | |
1625 | ||
1626 | /* If we don't have as many objects free on the OST as inodes | |
1627 | * on the MDS, we reduce the total number of inodes to | |
1628 | * compensate, so that the "inodes in use" number is correct. | |
1629 | */ | |
1630 | if (obd_osfs.os_ffree < osfs->os_ffree) { | |
1631 | osfs->os_files = (osfs->os_files - osfs->os_ffree) + | |
1632 | obd_osfs.os_ffree; | |
1633 | osfs->os_ffree = obd_osfs.os_ffree; | |
1634 | } | |
1635 | ||
0a3bdb00 | 1636 | return rc; |
d7e09d03 | 1637 | } |
c9f6bb96 | 1638 | |
d7e09d03 PT |
1639 | int ll_statfs(struct dentry *de, struct kstatfs *sfs) |
1640 | { | |
1641 | struct super_block *sb = de->d_sb; | |
1642 | struct obd_statfs osfs; | |
1643 | int rc; | |
1644 | ||
b0f5aad5 | 1645 | CDEBUG(D_VFSTRACE, "VFS Op: at %llu jiffies\n", get_jiffies_64()); |
d7e09d03 PT |
1646 | ll_stats_ops_tally(ll_s2sbi(sb), LPROC_LL_STAFS, 1); |
1647 | ||
1648 | /* Some amount of caching on the client is allowed */ | |
1649 | rc = ll_statfs_internal(sb, &osfs, | |
1650 | cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), | |
1651 | 0); | |
1652 | if (rc) | |
1653 | return rc; | |
1654 | ||
1655 | statfs_unpack(sfs, &osfs); | |
1656 | ||
1657 | /* We need to downshift for all 32-bit kernels, because we can't | |
1658 | * tell if the kernel is being called via sys_statfs64() or not. | |
1659 | * Stop before overflowing f_bsize - in which case it is better | |
c0894c6c OD |
1660 | * to just risk EOVERFLOW if caller is using old sys_statfs(). |
1661 | */ | |
d7e09d03 PT |
1662 | if (sizeof(long) < 8) { |
1663 | while (osfs.os_blocks > ~0UL && sfs->f_bsize < 0x40000000) { | |
1664 | sfs->f_bsize <<= 1; | |
1665 | ||
1666 | osfs.os_blocks >>= 1; | |
1667 | osfs.os_bfree >>= 1; | |
1668 | osfs.os_bavail >>= 1; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | sfs->f_blocks = osfs.os_blocks; | |
1673 | sfs->f_bfree = osfs.os_bfree; | |
1674 | sfs->f_bavail = osfs.os_bavail; | |
bd994071 | 1675 | sfs->f_fsid = ll_s2sbi(sb)->ll_fsid; |
d7e09d03 PT |
1676 | return 0; |
1677 | } | |
1678 | ||
1679 | void ll_inode_size_lock(struct inode *inode) | |
1680 | { | |
1681 | struct ll_inode_info *lli; | |
1682 | ||
1683 | LASSERT(!S_ISDIR(inode->i_mode)); | |
1684 | ||
1685 | lli = ll_i2info(inode); | |
47a57bde | 1686 | mutex_lock(&lli->lli_size_mutex); |
d7e09d03 PT |
1687 | } |
1688 | ||
1689 | void ll_inode_size_unlock(struct inode *inode) | |
1690 | { | |
1691 | struct ll_inode_info *lli; | |
1692 | ||
1693 | lli = ll_i2info(inode); | |
47a57bde | 1694 | mutex_unlock(&lli->lli_size_mutex); |
d7e09d03 PT |
1695 | } |
1696 | ||
c3397e7e | 1697 | int ll_update_inode(struct inode *inode, struct lustre_md *md) |
d7e09d03 PT |
1698 | { |
1699 | struct ll_inode_info *lli = ll_i2info(inode); | |
1700 | struct mdt_body *body = md->body; | |
1701 | struct lov_stripe_md *lsm = md->lsm; | |
1702 | struct ll_sb_info *sbi = ll_i2sbi(inode); | |
1703 | ||
2e1b5b8b | 1704 | LASSERT((lsm != NULL) == ((body->mbo_valid & OBD_MD_FLEASIZE) != 0)); |
6e16818b | 1705 | if (lsm) { |
d7e09d03 PT |
1706 | if (!lli->lli_has_smd && |
1707 | !(sbi->ll_flags & LL_SBI_LAYOUT_LOCK)) | |
1708 | cl_file_inode_init(inode, md); | |
1709 | ||
1710 | lli->lli_maxbytes = lsm->lsm_maxbytes; | |
1711 | if (lli->lli_maxbytes > MAX_LFS_FILESIZE) | |
1712 | lli->lli_maxbytes = MAX_LFS_FILESIZE; | |
1713 | } | |
1714 | ||
c3397e7e | 1715 | if (S_ISDIR(inode->i_mode)) { |
1716 | int rc; | |
1717 | ||
1718 | rc = ll_update_lsm_md(inode, md); | |
1719 | if (rc) | |
1720 | return rc; | |
1721 | } | |
2de35386 | 1722 | |
d7e09d03 | 1723 | #ifdef CONFIG_FS_POSIX_ACL |
2e1b5b8b | 1724 | if (body->mbo_valid & OBD_MD_FLACL) { |
d7e09d03 PT |
1725 | spin_lock(&lli->lli_lock); |
1726 | if (lli->lli_posix_acl) | |
1727 | posix_acl_release(lli->lli_posix_acl); | |
1728 | lli->lli_posix_acl = md->posix_acl; | |
1729 | spin_unlock(&lli->lli_lock); | |
1730 | } | |
1731 | #endif | |
2e1b5b8b | 1732 | inode->i_ino = cl_fid_build_ino(&body->mbo_fid1, |
c1e2699d | 1733 | sbi->ll_flags & LL_SBI_32BIT_API); |
2e1b5b8b | 1734 | inode->i_generation = cl_fid_build_gen(&body->mbo_fid1); |
d7e09d03 | 1735 | |
2e1b5b8b JH |
1736 | if (body->mbo_valid & OBD_MD_FLATIME) { |
1737 | if (body->mbo_atime > LTIME_S(inode->i_atime)) | |
1738 | LTIME_S(inode->i_atime) = body->mbo_atime; | |
1739 | lli->lli_atime = body->mbo_atime; | |
d7e09d03 | 1740 | } |
2e1b5b8b JH |
1741 | if (body->mbo_valid & OBD_MD_FLMTIME) { |
1742 | if (body->mbo_mtime > LTIME_S(inode->i_mtime)) { | |
b0f5aad5 GKH |
1743 | CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %llu\n", |
1744 | inode->i_ino, LTIME_S(inode->i_mtime), | |
2e1b5b8b JH |
1745 | body->mbo_mtime); |
1746 | LTIME_S(inode->i_mtime) = body->mbo_mtime; | |
d7e09d03 | 1747 | } |
2e1b5b8b | 1748 | lli->lli_mtime = body->mbo_mtime; |
d7e09d03 | 1749 | } |
2e1b5b8b JH |
1750 | if (body->mbo_valid & OBD_MD_FLCTIME) { |
1751 | if (body->mbo_ctime > LTIME_S(inode->i_ctime)) | |
1752 | LTIME_S(inode->i_ctime) = body->mbo_ctime; | |
1753 | lli->lli_ctime = body->mbo_ctime; | |
d7e09d03 | 1754 | } |
2e1b5b8b | 1755 | if (body->mbo_valid & OBD_MD_FLMODE) |
cd94f231 OD |
1756 | inode->i_mode = (inode->i_mode & S_IFMT) | |
1757 | (body->mbo_mode & ~S_IFMT); | |
2e1b5b8b | 1758 | if (body->mbo_valid & OBD_MD_FLTYPE) |
cd94f231 OD |
1759 | inode->i_mode = (inode->i_mode & ~S_IFMT) | |
1760 | (body->mbo_mode & S_IFMT); | |
d7e09d03 | 1761 | LASSERT(inode->i_mode != 0); |
566be54d | 1762 | if (S_ISREG(inode->i_mode)) |
e6768831 TJ |
1763 | inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1, |
1764 | LL_MAX_BLKSIZE_BITS); | |
566be54d | 1765 | else |
d7e09d03 | 1766 | inode->i_blkbits = inode->i_sb->s_blocksize_bits; |
2e1b5b8b JH |
1767 | if (body->mbo_valid & OBD_MD_FLUID) |
1768 | inode->i_uid = make_kuid(&init_user_ns, body->mbo_uid); | |
1769 | if (body->mbo_valid & OBD_MD_FLGID) | |
1770 | inode->i_gid = make_kgid(&init_user_ns, body->mbo_gid); | |
1771 | if (body->mbo_valid & OBD_MD_FLFLAGS) | |
1772 | inode->i_flags = ll_ext_to_inode_flags(body->mbo_flags); | |
1773 | if (body->mbo_valid & OBD_MD_FLNLINK) | |
1774 | set_nlink(inode, body->mbo_nlink); | |
1775 | if (body->mbo_valid & OBD_MD_FLRDEV) | |
1776 | inode->i_rdev = old_decode_dev(body->mbo_rdev); | |
1777 | ||
1778 | if (body->mbo_valid & OBD_MD_FLID) { | |
d7e09d03 PT |
1779 | /* FID shouldn't be changed! */ |
1780 | if (fid_is_sane(&lli->lli_fid)) { | |
2e1b5b8b | 1781 | LASSERTF(lu_fid_eq(&lli->lli_fid, &body->mbo_fid1), |
97a075cd | 1782 | "Trying to change FID "DFID" to the "DFID", inode "DFID"(%p)\n", |
2e1b5b8b | 1783 | PFID(&lli->lli_fid), PFID(&body->mbo_fid1), |
97a075cd | 1784 | PFID(ll_inode2fid(inode)), inode); |
da5ecb4d | 1785 | } else { |
2e1b5b8b | 1786 | lli->lli_fid = body->mbo_fid1; |
da5ecb4d | 1787 | } |
d7e09d03 PT |
1788 | } |
1789 | ||
1790 | LASSERT(fid_seq(&lli->lli_fid) != 0); | |
1791 | ||
2e1b5b8b | 1792 | if (body->mbo_valid & OBD_MD_FLSIZE) { |
d7e09d03 PT |
1793 | if (exp_connect_som(ll_i2mdexp(inode)) && |
1794 | S_ISREG(inode->i_mode)) { | |
1795 | struct lustre_handle lockh; | |
52ee0d20 | 1796 | enum ldlm_mode mode; |
d7e09d03 PT |
1797 | |
1798 | /* As it is possible a blocking ast has been processed | |
1799 | * by this time, we need to check there is an UPDATE | |
1800 | * lock on the client and set LLIF_MDS_SIZE_LOCK holding | |
c0894c6c OD |
1801 | * it. |
1802 | */ | |
d7e09d03 | 1803 | mode = ll_take_md_lock(inode, MDS_INODELOCK_UPDATE, |
7fc1f831 AP |
1804 | &lockh, LDLM_FL_CBPENDING, |
1805 | LCK_CR | LCK_CW | | |
1806 | LCK_PR | LCK_PW); | |
d7e09d03 PT |
1807 | if (mode) { |
1808 | if (lli->lli_flags & (LLIF_DONE_WRITING | | |
1809 | LLIF_EPOCH_PENDING | | |
1810 | LLIF_SOM_DIRTY)) { | |
97a075cd JN |
1811 | CERROR("%s: inode "DFID" flags %u still has size authority! do not trust the size got from MDS\n", |
1812 | sbi->ll_md_exp->exp_obd->obd_name, | |
1813 | PFID(ll_inode2fid(inode)), | |
1814 | lli->lli_flags); | |
d7e09d03 PT |
1815 | } else { |
1816 | /* Use old size assignment to avoid | |
c0894c6c OD |
1817 | * deadlock bz14138 & bz14326 |
1818 | */ | |
2e1b5b8b | 1819 | i_size_write(inode, body->mbo_size); |
ae5ef67b | 1820 | spin_lock(&lli->lli_lock); |
d7e09d03 | 1821 | lli->lli_flags |= LLIF_MDS_SIZE_LOCK; |
ae5ef67b | 1822 | spin_unlock(&lli->lli_lock); |
d7e09d03 PT |
1823 | } |
1824 | ldlm_lock_decref(&lockh, mode); | |
1825 | } | |
1826 | } else { | |
1827 | /* Use old size assignment to avoid | |
c0894c6c OD |
1828 | * deadlock bz14138 & bz14326 |
1829 | */ | |
2e1b5b8b | 1830 | i_size_write(inode, body->mbo_size); |
d7e09d03 PT |
1831 | |
1832 | CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n", | |
2e1b5b8b | 1833 | inode->i_ino, (unsigned long long)body->mbo_size); |
d7e09d03 PT |
1834 | } |
1835 | ||
2e1b5b8b JH |
1836 | if (body->mbo_valid & OBD_MD_FLBLOCKS) |
1837 | inode->i_blocks = body->mbo_blocks; | |
d7e09d03 PT |
1838 | } |
1839 | ||
2e1b5b8b JH |
1840 | if (body->mbo_valid & OBD_MD_TSTATE) { |
1841 | if (body->mbo_t_state & MS_RESTORE) | |
5ea17d6c JL |
1842 | lli->lli_flags |= LLIF_FILE_RESTORING; |
1843 | } | |
c3397e7e | 1844 | |
1845 | return 0; | |
d7e09d03 PT |
1846 | } |
1847 | ||
c3397e7e | 1848 | int ll_read_inode2(struct inode *inode, void *opaque) |
d7e09d03 PT |
1849 | { |
1850 | struct lustre_md *md = opaque; | |
1851 | struct ll_inode_info *lli = ll_i2info(inode); | |
c3397e7e | 1852 | int rc; |
d7e09d03 PT |
1853 | |
1854 | CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", | |
1855 | PFID(&lli->lli_fid), inode); | |
1856 | ||
1857 | LASSERT(!lli->lli_has_smd); | |
1858 | ||
1859 | /* Core attributes from the MDS first. This is a new inode, and | |
1860 | * the VFS doesn't zero times in the core inode so we have to do | |
1861 | * it ourselves. They will be overwritten by either MDS or OST | |
c0894c6c OD |
1862 | * attributes - we just need to make sure they aren't newer. |
1863 | */ | |
d7e09d03 PT |
1864 | LTIME_S(inode->i_mtime) = 0; |
1865 | LTIME_S(inode->i_atime) = 0; | |
1866 | LTIME_S(inode->i_ctime) = 0; | |
1867 | inode->i_rdev = 0; | |
c3397e7e | 1868 | rc = ll_update_inode(inode, md); |
1869 | if (rc) | |
1870 | return rc; | |
d7e09d03 PT |
1871 | |
1872 | /* OIDEBUG(inode); */ | |
1873 | ||
d7e09d03 PT |
1874 | if (S_ISREG(inode->i_mode)) { |
1875 | struct ll_sb_info *sbi = ll_i2sbi(inode); | |
cf29a7b6 | 1876 | |
d7e09d03 PT |
1877 | inode->i_op = &ll_file_inode_operations; |
1878 | inode->i_fop = sbi->ll_fop; | |
1879 | inode->i_mapping->a_ops = (struct address_space_operations *)&ll_aops; | |
d7e09d03 PT |
1880 | } else if (S_ISDIR(inode->i_mode)) { |
1881 | inode->i_op = &ll_dir_inode_operations; | |
1882 | inode->i_fop = &ll_dir_operations; | |
d7e09d03 PT |
1883 | } else if (S_ISLNK(inode->i_mode)) { |
1884 | inode->i_op = &ll_fast_symlink_inode_operations; | |
d7e09d03 PT |
1885 | } else { |
1886 | inode->i_op = &ll_special_inode_operations; | |
1887 | ||
1888 | init_special_inode(inode, inode->i_mode, | |
1889 | inode->i_rdev); | |
d7e09d03 | 1890 | } |
c3397e7e | 1891 | |
1892 | return 0; | |
d7e09d03 PT |
1893 | } |
1894 | ||
1895 | void ll_delete_inode(struct inode *inode) | |
1896 | { | |
1929c433 | 1897 | struct ll_inode_info *lli = ll_i2info(inode); |
d7e09d03 | 1898 | |
6e16818b | 1899 | if (S_ISREG(inode->i_mode) && lli->lli_clob) |
d7e09d03 | 1900 | /* discard all dirty pages before truncating them, required by |
c0894c6c OD |
1901 | * osc_extent implementation at LU-1030. |
1902 | */ | |
65fb55d1 NY |
1903 | cl_sync_file_range(inode, 0, OBD_OBJECT_EOF, |
1904 | CL_FSYNC_DISCARD, 1); | |
d7e09d03 | 1905 | |
91b0abe3 | 1906 | truncate_inode_pages_final(&inode->i_data); |
d7e09d03 PT |
1907 | |
1908 | /* Workaround for LU-118 */ | |
1909 | if (inode->i_data.nrpages) { | |
c4226c54 VT |
1910 | spin_lock_irq(&inode->i_data.tree_lock); |
1911 | spin_unlock_irq(&inode->i_data.tree_lock); | |
d7e09d03 | 1912 | LASSERTF(inode->i_data.nrpages == 0, |
97a075cd JN |
1913 | "inode="DFID"(%p) nrpages=%lu, see http://jira.whamcloud.com/browse/LU-118\n", |
1914 | PFID(ll_inode2fid(inode)), inode, | |
d7e09d03 PT |
1915 | inode->i_data.nrpages); |
1916 | } | |
1917 | /* Workaround end */ | |
1918 | ||
1919 | ll_clear_inode(inode); | |
1920 | clear_inode(inode); | |
d7e09d03 PT |
1921 | } |
1922 | ||
1923 | int ll_iocontrol(struct inode *inode, struct file *file, | |
1924 | unsigned int cmd, unsigned long arg) | |
1925 | { | |
1926 | struct ll_sb_info *sbi = ll_i2sbi(inode); | |
1927 | struct ptlrpc_request *req = NULL; | |
1928 | int rc, flags = 0; | |
d7e09d03 | 1929 | |
a58a38ac | 1930 | switch (cmd) { |
d7e09d03 PT |
1931 | case FSFILT_IOC_GETFLAGS: { |
1932 | struct mdt_body *body; | |
1933 | struct md_op_data *op_data; | |
1934 | ||
1935 | op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, | |
1936 | 0, 0, LUSTRE_OPC_ANY, | |
1937 | NULL); | |
1938 | if (IS_ERR(op_data)) | |
0a3bdb00 | 1939 | return PTR_ERR(op_data); |
d7e09d03 PT |
1940 | |
1941 | op_data->op_valid = OBD_MD_FLFLAGS; | |
1942 | rc = md_getattr(sbi->ll_md_exp, op_data, &req); | |
1943 | ll_finish_md_op_data(op_data); | |
1944 | if (rc) { | |
97a075cd JN |
1945 | CERROR("%s: failure inode "DFID": rc = %d\n", |
1946 | sbi->ll_md_exp->exp_obd->obd_name, | |
1947 | PFID(ll_inode2fid(inode)), rc); | |
0a3bdb00 | 1948 | return -abs(rc); |
d7e09d03 PT |
1949 | } |
1950 | ||
1951 | body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); | |
1952 | ||
2e1b5b8b | 1953 | flags = body->mbo_flags; |
d7e09d03 PT |
1954 | |
1955 | ptlrpc_req_finished(req); | |
1956 | ||
7ac5db21 | 1957 | return put_user(flags, (int __user *)arg); |
d7e09d03 PT |
1958 | } |
1959 | case FSFILT_IOC_SETFLAGS: { | |
1960 | struct lov_stripe_md *lsm; | |
45efd655 | 1961 | struct obd_info oinfo = { }; |
d7e09d03 PT |
1962 | struct md_op_data *op_data; |
1963 | ||
7ac5db21 | 1964 | if (get_user(flags, (int __user *)arg)) |
0a3bdb00 | 1965 | return -EFAULT; |
d7e09d03 PT |
1966 | |
1967 | op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0, | |
1968 | LUSTRE_OPC_ANY, NULL); | |
1969 | if (IS_ERR(op_data)) | |
0a3bdb00 | 1970 | return PTR_ERR(op_data); |
d7e09d03 | 1971 | |
bb41292b | 1972 | op_data->op_attr_flags = flags; |
d7e09d03 PT |
1973 | op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG; |
1974 | rc = md_setattr(sbi->ll_md_exp, op_data, | |
1975 | NULL, 0, NULL, 0, &req, NULL); | |
1976 | ll_finish_md_op_data(op_data); | |
1977 | ptlrpc_req_finished(req); | |
1978 | if (rc) | |
0a3bdb00 | 1979 | return rc; |
d7e09d03 PT |
1980 | |
1981 | inode->i_flags = ll_ext_to_inode_flags(flags); | |
1982 | ||
1983 | lsm = ccc_inode_lsm_get(inode); | |
5dd16419 JX |
1984 | if (!lsm_has_objects(lsm)) { |
1985 | ccc_inode_lsm_put(inode, lsm); | |
0a3bdb00 | 1986 | return 0; |
5dd16419 | 1987 | } |
d7e09d03 | 1988 | |
21068c46 | 1989 | oinfo.oi_oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS); |
d7e09d03 PT |
1990 | if (!oinfo.oi_oa) { |
1991 | ccc_inode_lsm_put(inode, lsm); | |
0a3bdb00 | 1992 | return -ENOMEM; |
d7e09d03 PT |
1993 | } |
1994 | oinfo.oi_md = lsm; | |
1995 | oinfo.oi_oa->o_oi = lsm->lsm_oi; | |
1996 | oinfo.oi_oa->o_flags = flags; | |
1997 | oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | | |
1998 | OBD_MD_FLGROUP; | |
d7e09d03 PT |
1999 | obdo_set_parent_fid(oinfo.oi_oa, &ll_i2info(inode)->lli_fid); |
2000 | rc = obd_setattr_rqset(sbi->ll_dt_exp, &oinfo, NULL); | |
2ba262fb | 2001 | kmem_cache_free(obdo_cachep, oinfo.oi_oa); |
d7e09d03 PT |
2002 | ccc_inode_lsm_put(inode, lsm); |
2003 | ||
2004 | if (rc && rc != -EPERM && rc != -EACCES) | |
2005 | CERROR("osc_setattr_async fails: rc = %d\n", rc); | |
2006 | ||
0a3bdb00 | 2007 | return rc; |
d7e09d03 PT |
2008 | } |
2009 | default: | |
0a3bdb00 | 2010 | return -ENOSYS; |
d7e09d03 PT |
2011 | } |
2012 | ||
0a3bdb00 | 2013 | return 0; |
d7e09d03 PT |
2014 | } |
2015 | ||
2016 | int ll_flush_ctx(struct inode *inode) | |
2017 | { | |
2018 | struct ll_sb_info *sbi = ll_i2sbi(inode); | |
2019 | ||
4b1a25f0 | 2020 | CDEBUG(D_SEC, "flush context for user %d\n", |
e15ba45d | 2021 | from_kuid(&init_user_ns, current_uid())); |
d7e09d03 PT |
2022 | |
2023 | obd_set_info_async(NULL, sbi->ll_md_exp, | |
2024 | sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX, | |
2025 | 0, NULL, NULL); | |
2026 | obd_set_info_async(NULL, sbi->ll_dt_exp, | |
2027 | sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX, | |
2028 | 0, NULL, NULL); | |
2029 | return 0; | |
2030 | } | |
2031 | ||
2032 | /* umount -f client means force down, don't save state */ | |
2033 | void ll_umount_begin(struct super_block *sb) | |
2034 | { | |
2035 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
2036 | struct obd_device *obd; | |
2037 | struct obd_ioctl_data *ioc_data; | |
d7e09d03 PT |
2038 | |
2039 | CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb, | |
2040 | sb->s_count, atomic_read(&sb->s_active)); | |
2041 | ||
2042 | obd = class_exp2obd(sbi->ll_md_exp); | |
6e16818b | 2043 | if (!obd) { |
55f5a824 | 2044 | CERROR("Invalid MDC connection handle %#llx\n", |
d7e09d03 | 2045 | sbi->ll_md_exp->exp_handle.h_cookie); |
d7e09d03 PT |
2046 | return; |
2047 | } | |
2048 | obd->obd_force = 1; | |
2049 | ||
2050 | obd = class_exp2obd(sbi->ll_dt_exp); | |
6e16818b | 2051 | if (!obd) { |
55f5a824 | 2052 | CERROR("Invalid LOV connection handle %#llx\n", |
d7e09d03 | 2053 | sbi->ll_dt_exp->exp_handle.h_cookie); |
d7e09d03 PT |
2054 | return; |
2055 | } | |
2056 | obd->obd_force = 1; | |
2057 | ||
496a51bd | 2058 | ioc_data = kzalloc(sizeof(*ioc_data), GFP_NOFS); |
d7e09d03 PT |
2059 | if (ioc_data) { |
2060 | obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_md_exp, | |
ec83e611 | 2061 | sizeof(*ioc_data), ioc_data, NULL); |
d7e09d03 PT |
2062 | |
2063 | obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_dt_exp, | |
ec83e611 | 2064 | sizeof(*ioc_data), ioc_data, NULL); |
d7e09d03 | 2065 | |
97903a26 | 2066 | kfree(ioc_data); |
d7e09d03 PT |
2067 | } |
2068 | ||
d7e09d03 PT |
2069 | /* Really, we'd like to wait until there are no requests outstanding, |
2070 | * and then continue. For now, we just invalidate the requests, | |
2071 | * schedule() and sleep one second if needed, and hope. | |
2072 | */ | |
2073 | schedule(); | |
d7e09d03 PT |
2074 | } |
2075 | ||
2076 | int ll_remount_fs(struct super_block *sb, int *flags, char *data) | |
2077 | { | |
2078 | struct ll_sb_info *sbi = ll_s2sbi(sb); | |
2079 | char *profilenm = get_profile_name(sb); | |
2080 | int err; | |
2081 | __u32 read_only; | |
2082 | ||
2083 | if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) { | |
2084 | read_only = *flags & MS_RDONLY; | |
2085 | err = obd_set_info_async(NULL, sbi->ll_md_exp, | |
2086 | sizeof(KEY_READ_ONLY), | |
2087 | KEY_READ_ONLY, sizeof(read_only), | |
2088 | &read_only, NULL); | |
2089 | if (err) { | |
2090 | LCONSOLE_WARN("Failed to remount %s %s (%d)\n", | |
2091 | profilenm, read_only ? | |
2092 | "read-only" : "read-write", err); | |
2093 | return err; | |
2094 | } | |
2095 | ||
2096 | if (read_only) | |
2097 | sb->s_flags |= MS_RDONLY; | |
2098 | else | |
2099 | sb->s_flags &= ~MS_RDONLY; | |
2100 | ||
2101 | if (sbi->ll_flags & LL_SBI_VERBOSE) | |
2102 | LCONSOLE_WARN("Remounted %s %s\n", profilenm, | |
2103 | read_only ? "read-only" : "read-write"); | |
2104 | } | |
2105 | return 0; | |
2106 | } | |
2107 | ||
44ecac68 FY |
2108 | /** |
2109 | * Cleanup the open handle that is cached on MDT-side. | |
2110 | * | |
2111 | * For open case, the client side open handling thread may hit error | |
2112 | * after the MDT grant the open. Under such case, the client should | |
2113 | * send close RPC to the MDT as cleanup; otherwise, the open handle | |
2114 | * on the MDT will be leaked there until the client umount or evicted. | |
2115 | * | |
2116 | * In further, if someone unlinked the file, because the open handle | |
2117 | * holds the reference on such file/object, then it will block the | |
2118 | * subsequent threads that want to locate such object via FID. | |
2119 | * | |
2120 | * \param[in] sb super block for this file-system | |
2121 | * \param[in] open_req pointer to the original open request | |
2122 | */ | |
2123 | void ll_open_cleanup(struct super_block *sb, struct ptlrpc_request *open_req) | |
2124 | { | |
2125 | struct mdt_body *body; | |
2126 | struct md_op_data *op_data; | |
2127 | struct ptlrpc_request *close_req = NULL; | |
2128 | struct obd_export *exp = ll_s2sbi(sb)->ll_md_exp; | |
2129 | ||
2130 | body = req_capsule_server_get(&open_req->rq_pill, &RMF_MDT_BODY); | |
af13af52 | 2131 | op_data = kzalloc(sizeof(*op_data), GFP_NOFS); |
83ea341d | 2132 | if (!op_data) |
44ecac68 | 2133 | return; |
44ecac68 | 2134 | |
2e1b5b8b JH |
2135 | op_data->op_fid1 = body->mbo_fid1; |
2136 | op_data->op_ioepoch = body->mbo_ioepoch; | |
2137 | op_data->op_handle = body->mbo_handle; | |
44ecac68 FY |
2138 | op_data->op_mod_time = get_seconds(); |
2139 | md_close(exp, op_data, NULL, &close_req); | |
2140 | ptlrpc_req_finished(close_req); | |
2141 | ll_finish_md_op_data(op_data); | |
2142 | } | |
2143 | ||
d7e09d03 PT |
2144 | int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req, |
2145 | struct super_block *sb, struct lookup_intent *it) | |
2146 | { | |
2147 | struct ll_sb_info *sbi = NULL; | |
24af3e16 | 2148 | struct lustre_md md = { NULL }; |
d7e09d03 | 2149 | int rc; |
d7e09d03 PT |
2150 | |
2151 | LASSERT(*inode || sb); | |
2152 | sbi = sb ? ll_s2sbi(sb) : ll_i2sbi(*inode); | |
2153 | rc = md_get_lustre_md(sbi->ll_md_exp, req, sbi->ll_dt_exp, | |
2154 | sbi->ll_md_exp, &md); | |
2155 | if (rc) | |
44ecac68 | 2156 | goto cleanup; |
d7e09d03 PT |
2157 | |
2158 | if (*inode) { | |
c3397e7e | 2159 | rc = ll_update_inode(*inode, &md); |
2160 | if (rc) | |
2161 | goto out; | |
d7e09d03 | 2162 | } else { |
6e16818b | 2163 | LASSERT(sb); |
d7e09d03 PT |
2164 | |
2165 | /* | |
2166 | * At this point server returns to client's same fid as client | |
2167 | * generated for creating. So using ->fid1 is okay here. | |
2168 | */ | |
2e1b5b8b | 2169 | if (!fid_is_sane(&md.body->mbo_fid1)) { |
c681528a SC |
2170 | CERROR("%s: Fid is insane " DFID "\n", |
2171 | ll_get_fsname(sb, NULL, 0), | |
2e1b5b8b | 2172 | PFID(&md.body->mbo_fid1)); |
c681528a SC |
2173 | rc = -EINVAL; |
2174 | goto out; | |
2175 | } | |
d7e09d03 | 2176 | |
2e1b5b8b | 2177 | *inode = ll_iget(sb, cl_fid_build_ino(&md.body->mbo_fid1, |
c1e2699d | 2178 | sbi->ll_flags & LL_SBI_32BIT_API), |
d7e09d03 | 2179 | &md); |
c3397e7e | 2180 | if (IS_ERR(*inode)) { |
d7e09d03 PT |
2181 | #ifdef CONFIG_FS_POSIX_ACL |
2182 | if (md.posix_acl) { | |
2183 | posix_acl_release(md.posix_acl); | |
2184 | md.posix_acl = NULL; | |
2185 | } | |
2186 | #endif | |
020ecc6f | 2187 | rc = -ENOMEM; |
d7e09d03 | 2188 | CERROR("new_inode -fatal: rc %d\n", rc); |
34e1f2bb | 2189 | goto out; |
d7e09d03 PT |
2190 | } |
2191 | } | |
2192 | ||
2193 | /* Handling piggyback layout lock. | |
2194 | * Layout lock can be piggybacked by getattr and open request. | |
2195 | * The lsm can be applied to inode only if it comes with a layout lock | |
2196 | * otherwise correct layout may be overwritten, for example: | |
2197 | * 1. proc1: mdt returns a lsm but not granting layout | |
2198 | * 2. layout was changed by another client | |
2199 | * 3. proc2: refresh layout and layout lock granted | |
c0894c6c OD |
2200 | * 4. proc1: to apply a stale layout |
2201 | */ | |
e476f2e5 | 2202 | if (it && it->it_lock_mode != 0) { |
d7e09d03 PT |
2203 | struct lustre_handle lockh; |
2204 | struct ldlm_lock *lock; | |
2205 | ||
e476f2e5 | 2206 | lockh.cookie = it->it_lock_handle; |
d7e09d03 | 2207 | lock = ldlm_handle2lock(&lockh); |
6e16818b | 2208 | LASSERT(lock); |
d7e09d03 PT |
2209 | if (ldlm_has_layout(lock)) { |
2210 | struct cl_object_conf conf; | |
2211 | ||
2212 | memset(&conf, 0, sizeof(conf)); | |
2213 | conf.coc_opc = OBJECT_CONF_SET; | |
2214 | conf.coc_inode = *inode; | |
2215 | conf.coc_lock = lock; | |
2216 | conf.u.coc_md = &md; | |
2217 | (void)ll_layout_conf(*inode, &conf); | |
2218 | } | |
2219 | LDLM_LOCK_PUT(lock); | |
2220 | } | |
2221 | ||
2222 | out: | |
6e16818b | 2223 | if (md.lsm) |
d7e09d03 PT |
2224 | obd_free_memmd(sbi->ll_dt_exp, &md.lsm); |
2225 | md_free_lustre_md(sbi->ll_md_exp, &md); | |
44ecac68 FY |
2226 | |
2227 | cleanup: | |
2228 | if (rc != 0 && it && it->it_op & IT_OPEN) | |
2229 | ll_open_cleanup(sb ? sb : (*inode)->i_sb, req); | |
2230 | ||
0a3bdb00 | 2231 | return rc; |
d7e09d03 PT |
2232 | } |
2233 | ||
4c6243ec | 2234 | int ll_obd_statfs(struct inode *inode, void __user *arg) |
d7e09d03 PT |
2235 | { |
2236 | struct ll_sb_info *sbi = NULL; | |
2237 | struct obd_export *exp; | |
2238 | char *buf = NULL; | |
2239 | struct obd_ioctl_data *data = NULL; | |
2240 | __u32 type; | |
d7e09d03 PT |
2241 | int len = 0, rc; |
2242 | ||
c650ba73 TR |
2243 | if (!inode) { |
2244 | rc = -EINVAL; | |
2245 | goto out_statfs; | |
2246 | } | |
2247 | ||
2248 | sbi = ll_i2sbi(inode); | |
2249 | if (!sbi) { | |
34e1f2bb JL |
2250 | rc = -EINVAL; |
2251 | goto out_statfs; | |
2252 | } | |
d7e09d03 PT |
2253 | |
2254 | rc = obd_ioctl_getdata(&buf, &len, arg); | |
2255 | if (rc) | |
34e1f2bb | 2256 | goto out_statfs; |
d7e09d03 | 2257 | |
bdbb0512 | 2258 | data = (void *)buf; |
d7e09d03 | 2259 | if (!data->ioc_inlbuf1 || !data->ioc_inlbuf2 || |
34e1f2bb JL |
2260 | !data->ioc_pbuf1 || !data->ioc_pbuf2) { |
2261 | rc = -EINVAL; | |
2262 | goto out_statfs; | |
2263 | } | |
d7e09d03 PT |
2264 | |
2265 | if (data->ioc_inllen1 != sizeof(__u32) || | |
2266 | data->ioc_inllen2 != sizeof(__u32) || | |
2267 | data->ioc_plen1 != sizeof(struct obd_statfs) || | |
34e1f2bb JL |
2268 | data->ioc_plen2 != sizeof(struct obd_uuid)) { |
2269 | rc = -EINVAL; | |
2270 | goto out_statfs; | |
2271 | } | |
d7e09d03 PT |
2272 | |
2273 | memcpy(&type, data->ioc_inlbuf1, sizeof(__u32)); | |
da5ecb4d | 2274 | if (type & LL_STATFS_LMV) { |
d7e09d03 | 2275 | exp = sbi->ll_md_exp; |
da5ecb4d | 2276 | } else if (type & LL_STATFS_LOV) { |
d7e09d03 | 2277 | exp = sbi->ll_dt_exp; |
da5ecb4d | 2278 | } else { |
34e1f2bb JL |
2279 | rc = -ENODEV; |
2280 | goto out_statfs; | |
2281 | } | |
d7e09d03 | 2282 | |
44164fc9 | 2283 | rc = obd_iocontrol(IOC_OBD_STATFS, exp, len, buf, NULL); |
d7e09d03 | 2284 | if (rc) |
34e1f2bb | 2285 | goto out_statfs; |
d7e09d03 PT |
2286 | out_statfs: |
2287 | if (buf) | |
2288 | obd_ioctl_freedata(buf, len); | |
2289 | return rc; | |
2290 | } | |
2291 | ||
2292 | int ll_process_config(struct lustre_cfg *lcfg) | |
2293 | { | |
2294 | char *ptr; | |
2295 | void *sb; | |
2296 | struct lprocfs_static_vars lvars; | |
2297 | unsigned long x; | |
2298 | int rc = 0; | |
2299 | ||
2300 | lprocfs_llite_init_vars(&lvars); | |
2301 | ||
2302 | /* The instance name contains the sb: lustre-client-aacfe000 */ | |
2303 | ptr = strrchr(lustre_cfg_string(lcfg, 0), '-'); | |
2304 | if (!ptr || !*(++ptr)) | |
2305 | return -EINVAL; | |
692f2b6c | 2306 | rc = kstrtoul(ptr, 16, &x); |
2307 | if (rc != 0) | |
d7e09d03 PT |
2308 | return -EINVAL; |
2309 | sb = (void *)x; | |
2310 | /* This better be a real Lustre superblock! */ | |
2311 | LASSERT(s2lsi((struct super_block *)sb)->lsi_lmd->lmd_magic == LMD_MAGIC); | |
2312 | ||
2313 | /* Note we have not called client_common_fill_super yet, so | |
c0894c6c OD |
2314 | * proc fns must be able to handle that! |
2315 | */ | |
d7e09d03 PT |
2316 | rc = class_process_proc_param(PARAM_LLITE, lvars.obd_vars, |
2317 | lcfg, sb); | |
2318 | if (rc > 0) | |
2319 | rc = 0; | |
fbe7c6c7 | 2320 | return rc; |
d7e09d03 PT |
2321 | } |
2322 | ||
2323 | /* this function prepares md_op_data hint for passing ot down to MD stack. */ | |
aff9d8e8 | 2324 | struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, |
e15ba45d OD |
2325 | struct inode *i1, struct inode *i2, |
2326 | const char *name, int namelen, | |
2327 | int mode, __u32 opc, void *data) | |
d7e09d03 | 2328 | { |
d097d67b JH |
2329 | if (!name) { |
2330 | /* Do not reuse namelen for something else. */ | |
2331 | if (namelen) | |
2332 | return ERR_PTR(-EINVAL); | |
2333 | } else { | |
2334 | if (namelen > ll_i2sbi(i1)->ll_namelen) | |
2335 | return ERR_PTR(-ENAMETOOLONG); | |
2336 | ||
2337 | if (!lu_name_is_valid_2(name, namelen)) | |
2338 | return ERR_PTR(-EINVAL); | |
2339 | } | |
d7e09d03 | 2340 | |
6e16818b | 2341 | if (!op_data) |
496a51bd | 2342 | op_data = kzalloc(sizeof(*op_data), GFP_NOFS); |
d7e09d03 | 2343 | |
6e16818b | 2344 | if (!op_data) |
d7e09d03 PT |
2345 | return ERR_PTR(-ENOMEM); |
2346 | ||
2347 | ll_i2gids(op_data->op_suppgids, i1, i2); | |
2348 | op_data->op_fid1 = *ll_inode2fid(i1); | |
1c12cf63 | 2349 | if (S_ISDIR(i1->i_mode)) |
2de35386 | 2350 | op_data->op_mea1 = ll_i2info(i1)->lli_lsm_md; |
d7e09d03 | 2351 | |
1c12cf63 | 2352 | if (i2) { |
d7e09d03 | 2353 | op_data->op_fid2 = *ll_inode2fid(i2); |
1c12cf63 | 2354 | if (S_ISDIR(i2->i_mode)) |
2de35386 | 2355 | op_data->op_mea2 = ll_i2info(i2)->lli_lsm_md; |
1c12cf63 | 2356 | } else { |
d7e09d03 | 2357 | fid_zero(&op_data->op_fid2); |
1c12cf63 | 2358 | } |
2359 | ||
2360 | if (ll_i2sbi(i1)->ll_flags & LL_SBI_64BIT_HASH) | |
2361 | op_data->op_cli_flags |= CLI_HASH64; | |
2362 | ||
2363 | if (ll_need_32bit_api(ll_i2sbi(i1))) | |
2364 | op_data->op_cli_flags |= CLI_API32; | |
d7e09d03 PT |
2365 | |
2366 | op_data->op_name = name; | |
2367 | op_data->op_namelen = namelen; | |
2368 | op_data->op_mode = mode; | |
14e3f92a | 2369 | op_data->op_mod_time = ktime_get_real_seconds(); |
4b1a25f0 PT |
2370 | op_data->op_fsuid = from_kuid(&init_user_ns, current_fsuid()); |
2371 | op_data->op_fsgid = from_kgid(&init_user_ns, current_fsgid()); | |
d7e09d03 PT |
2372 | op_data->op_cap = cfs_curproc_cap_pack(); |
2373 | op_data->op_bias = 0; | |
2374 | op_data->op_cli_flags = 0; | |
6e16818b OD |
2375 | if ((opc == LUSTRE_OPC_CREATE) && name && |
2376 | filename_is_volatile(name, namelen, NULL)) | |
d7e09d03 | 2377 | op_data->op_bias |= MDS_CREATE_VOLATILE; |
d7e09d03 PT |
2378 | op_data->op_mds = 0; |
2379 | op_data->op_data = data; | |
2380 | ||
d7e09d03 | 2381 | /* When called by ll_setattr_raw, file is i1. */ |
1f6eaf83 | 2382 | if (ll_i2info(i1)->lli_flags & LLIF_DATA_MODIFIED) |
d7e09d03 PT |
2383 | op_data->op_bias |= MDS_DATA_MODIFIED; |
2384 | ||
2385 | return op_data; | |
2386 | } | |
2387 | ||
2388 | void ll_finish_md_op_data(struct md_op_data *op_data) | |
2389 | { | |
97903a26 | 2390 | kfree(op_data); |
d7e09d03 PT |
2391 | } |
2392 | ||
2393 | int ll_show_options(struct seq_file *seq, struct dentry *dentry) | |
2394 | { | |
2395 | struct ll_sb_info *sbi; | |
2396 | ||
6e16818b | 2397 | LASSERT(seq && dentry); |
d7e09d03 PT |
2398 | sbi = ll_s2sbi(dentry->d_sb); |
2399 | ||
2400 | if (sbi->ll_flags & LL_SBI_NOLCK) | |
2401 | seq_puts(seq, ",nolock"); | |
2402 | ||
2403 | if (sbi->ll_flags & LL_SBI_FLOCK) | |
2404 | seq_puts(seq, ",flock"); | |
2405 | ||
2406 | if (sbi->ll_flags & LL_SBI_LOCALFLOCK) | |
2407 | seq_puts(seq, ",localflock"); | |
2408 | ||
2409 | if (sbi->ll_flags & LL_SBI_USER_XATTR) | |
2410 | seq_puts(seq, ",user_xattr"); | |
2411 | ||
2412 | if (sbi->ll_flags & LL_SBI_LAZYSTATFS) | |
2413 | seq_puts(seq, ",lazystatfs"); | |
2414 | ||
2415 | if (sbi->ll_flags & LL_SBI_USER_FID2PATH) | |
2416 | seq_puts(seq, ",user_fid2path"); | |
2417 | ||
0a3bdb00 | 2418 | return 0; |
d7e09d03 PT |
2419 | } |
2420 | ||
2421 | /** | |
2422 | * Get obd name by cmd, and copy out to user space | |
2423 | */ | |
2424 | int ll_get_obd_name(struct inode *inode, unsigned int cmd, unsigned long arg) | |
2425 | { | |
2426 | struct ll_sb_info *sbi = ll_i2sbi(inode); | |
2427 | struct obd_device *obd; | |
d7e09d03 PT |
2428 | |
2429 | if (cmd == OBD_IOC_GETDTNAME) | |
2430 | obd = class_exp2obd(sbi->ll_dt_exp); | |
2431 | else if (cmd == OBD_IOC_GETMDNAME) | |
2432 | obd = class_exp2obd(sbi->ll_md_exp); | |
2433 | else | |
0a3bdb00 | 2434 | return -EINVAL; |
d7e09d03 PT |
2435 | |
2436 | if (!obd) | |
0a3bdb00 | 2437 | return -ENOENT; |
d7e09d03 | 2438 | |
7ac5db21 OD |
2439 | if (copy_to_user((void __user *)arg, obd->obd_name, |
2440 | strlen(obd->obd_name) + 1)) | |
0a3bdb00 | 2441 | return -EFAULT; |
d7e09d03 | 2442 | |
0a3bdb00 | 2443 | return 0; |
d7e09d03 PT |
2444 | } |
2445 | ||
2446 | /** | |
2447 | * Get lustre file system name by \a sbi. If \a buf is provided(non-NULL), the | |
2448 | * fsname will be returned in this buffer; otherwise, a static buffer will be | |
2449 | * used to store the fsname and returned to caller. | |
2450 | */ | |
2451 | char *ll_get_fsname(struct super_block *sb, char *buf, int buflen) | |
2452 | { | |
2453 | static char fsname_static[MTI_NAME_MAXLEN]; | |
2454 | struct lustre_sb_info *lsi = s2lsi(sb); | |
2455 | char *ptr; | |
2456 | int len; | |
2457 | ||
6e16818b | 2458 | if (!buf) { |
d7e09d03 PT |
2459 | /* this means the caller wants to use static buffer |
2460 | * and it doesn't care about race. Usually this is | |
c0894c6c OD |
2461 | * in error reporting path |
2462 | */ | |
d7e09d03 PT |
2463 | buf = fsname_static; |
2464 | buflen = sizeof(fsname_static); | |
2465 | } | |
2466 | ||
2467 | len = strlen(lsi->lsi_lmd->lmd_profile); | |
2468 | ptr = strrchr(lsi->lsi_lmd->lmd_profile, '-'); | |
2469 | if (ptr && (strcmp(ptr, "-client") == 0)) | |
2470 | len -= 7; | |
2471 | ||
2472 | if (unlikely(len >= buflen)) | |
2473 | len = buflen - 1; | |
2474 | strncpy(buf, lsi->lsi_lmd->lmd_profile, len); | |
2475 | buf[len] = '\0'; | |
2476 | ||
2477 | return buf; | |
2478 | } | |
2479 | ||
d7e09d03 PT |
2480 | void ll_dirty_page_discard_warn(struct page *page, int ioret) |
2481 | { | |
2482 | char *buf, *path = NULL; | |
2483 | struct dentry *dentry = NULL; | |
8c7b0e1a | 2484 | struct vvp_object *obj = cl_inode2vvp(page->mapping->host); |
d7e09d03 PT |
2485 | |
2486 | /* this can be called inside spin lock so use GFP_ATOMIC. */ | |
2487 | buf = (char *)__get_free_page(GFP_ATOMIC); | |
6e16818b | 2488 | if (buf) { |
d7e09d03 | 2489 | dentry = d_find_alias(page->mapping->host); |
6e16818b | 2490 | if (dentry) |
1ad581eb | 2491 | path = dentry_path_raw(dentry, buf, PAGE_SIZE); |
d7e09d03 PT |
2492 | } |
2493 | ||
73b89907 | 2494 | CDEBUG(D_WARNING, |
2d00bd17 JP |
2495 | "%s: dirty page discard: %s/fid: " DFID "/%s may get corrupted (rc %d)\n", |
2496 | ll_get_fsname(page->mapping->host->i_sb, NULL, 0), | |
73b89907 | 2497 | s2lsi(page->mapping->host->i_sb)->lsi_lmd->lmd_dev, |
8c7b0e1a | 2498 | PFID(&obj->vob_header.coh_lu.loh_fid), |
73b89907 | 2499 | (path && !IS_ERR(path)) ? path : "", ioret); |
d7e09d03 | 2500 | |
6e16818b | 2501 | if (dentry) |
d7e09d03 PT |
2502 | dput(dentry); |
2503 | ||
6e16818b | 2504 | if (buf) |
d7e09d03 PT |
2505 | free_page((unsigned long)buf); |
2506 | } | |
c948390f GP |
2507 | |
2508 | /* | |
2509 | * Compute llite root squash state after a change of root squash | |
2510 | * configuration setting or add/remove of a lnet nid | |
2511 | */ | |
2512 | void ll_compute_rootsquash_state(struct ll_sb_info *sbi) | |
2513 | { | |
2514 | struct root_squash_info *squash = &sbi->ll_squash; | |
2515 | lnet_process_id_t id; | |
2516 | bool matched; | |
2517 | int i; | |
2518 | ||
2519 | /* Update norootsquash flag */ | |
2520 | down_write(&squash->rsi_sem); | |
2521 | if (list_empty(&squash->rsi_nosquash_nids)) { | |
2522 | sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH; | |
2523 | } else { | |
2524 | /* | |
2525 | * Do not apply root squash as soon as one of our NIDs is | |
2526 | * in the nosquash_nids list | |
2527 | */ | |
2528 | matched = false; | |
2529 | i = 0; | |
2530 | ||
2531 | while (LNetGetId(i++, &id) != -ENOENT) { | |
2532 | if (LNET_NETTYP(LNET_NIDNET(id.nid)) == LOLND) | |
2533 | continue; | |
2534 | if (cfs_match_nid(id.nid, &squash->rsi_nosquash_nids)) { | |
2535 | matched = true; | |
2536 | break; | |
2537 | } | |
2538 | } | |
2539 | if (matched) | |
2540 | sbi->ll_flags |= LL_SBI_NOROOTSQUASH; | |
2541 | else | |
2542 | sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH; | |
2543 | } | |
2544 | up_write(&squash->rsi_sem); | |
2545 | } |