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8f4e91de SW |
1 | #ifndef FS_CEPH_IOCTL_H |
2 | #define FS_CEPH_IOCTL_H | |
3 | ||
4 | #include <linux/ioctl.h> | |
5 | #include <linux/types.h> | |
6 | ||
571dba52 | 7 | #define CEPH_IOCTL_MAGIC 0x98 |
8f4e91de SW |
8 | |
9 | /* just use u64 to align sanely on all archs */ | |
10 | struct ceph_ioctl_layout { | |
11 | __u64 stripe_unit, stripe_count, object_size; | |
12 | __u64 data_pool; | |
33d4909c | 13 | __s64 preferred_osd; |
8f4e91de SW |
14 | }; |
15 | ||
16 | #define CEPH_IOC_GET_LAYOUT _IOR(CEPH_IOCTL_MAGIC, 1, \ | |
17 | struct ceph_ioctl_layout) | |
18 | #define CEPH_IOC_SET_LAYOUT _IOW(CEPH_IOCTL_MAGIC, 2, \ | |
19 | struct ceph_ioctl_layout) | |
571dba52 GF |
20 | #define CEPH_IOC_SET_LAYOUT_POLICY _IOW(CEPH_IOCTL_MAGIC, 5, \ |
21 | struct ceph_ioctl_layout) | |
8f4e91de SW |
22 | |
23 | /* | |
24 | * Extract identity, address of the OSD and object storing a given | |
25 | * file offset. | |
26 | */ | |
27 | struct ceph_ioctl_dataloc { | |
28 | __u64 file_offset; /* in+out: file offset */ | |
29 | __u64 object_offset; /* out: offset in object */ | |
30 | __u64 object_no; /* out: object # */ | |
31 | __u64 object_size; /* out: object size */ | |
32 | char object_name[64]; /* out: object name */ | |
33 | __u64 block_offset; /* out: offset in block */ | |
34 | __u64 block_size; /* out: block length */ | |
35 | __s64 osd; /* out: osd # */ | |
36 | struct sockaddr_storage osd_addr; /* out: osd address */ | |
37 | }; | |
38 | ||
39 | #define CEPH_IOC_GET_DATALOC _IOWR(CEPH_IOCTL_MAGIC, 3, \ | |
40 | struct ceph_ioctl_dataloc) | |
41 | ||
8c6e9229 SW |
42 | #define CEPH_IOC_LAZYIO _IO(CEPH_IOCTL_MAGIC, 4) |
43 | ||
8f4e91de | 44 | #endif |