| 1 | /* |
| 2 | * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it would be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write the Free Software Foundation, |
| 15 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 16 | */ |
| 17 | |
| 18 | #include "xfs.h" |
| 19 | #include "xfs_fs.h" |
| 20 | #include "xfs_types.h" |
| 21 | #include "xfs_log.h" |
| 22 | #include "xfs_trans.h" |
| 23 | #include "xfs_sb.h" |
| 24 | #include "xfs_ag.h" |
| 25 | #include "xfs_mount.h" |
| 26 | |
| 27 | /* |
| 28 | * XFS logging functions |
| 29 | */ |
| 30 | static void |
| 31 | __xfs_printk( |
| 32 | const char *level, |
| 33 | const struct xfs_mount *mp, |
| 34 | struct va_format *vaf) |
| 35 | { |
| 36 | if (mp && mp->m_fsname) { |
| 37 | printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf); |
| 38 | return; |
| 39 | } |
| 40 | printk("%sXFS: %pV\n", level, vaf); |
| 41 | } |
| 42 | |
| 43 | #define define_xfs_printk_level(func, kern_level) \ |
| 44 | void func(const struct xfs_mount *mp, const char *fmt, ...) \ |
| 45 | { \ |
| 46 | struct va_format vaf; \ |
| 47 | va_list args; \ |
| 48 | \ |
| 49 | va_start(args, fmt); \ |
| 50 | \ |
| 51 | vaf.fmt = fmt; \ |
| 52 | vaf.va = &args; \ |
| 53 | \ |
| 54 | __xfs_printk(kern_level, mp, &vaf); \ |
| 55 | va_end(args); \ |
| 56 | } \ |
| 57 | |
| 58 | define_xfs_printk_level(xfs_emerg, KERN_EMERG); |
| 59 | define_xfs_printk_level(xfs_alert, KERN_ALERT); |
| 60 | define_xfs_printk_level(xfs_crit, KERN_CRIT); |
| 61 | define_xfs_printk_level(xfs_err, KERN_ERR); |
| 62 | define_xfs_printk_level(xfs_warn, KERN_WARNING); |
| 63 | define_xfs_printk_level(xfs_notice, KERN_NOTICE); |
| 64 | define_xfs_printk_level(xfs_info, KERN_INFO); |
| 65 | #ifdef DEBUG |
| 66 | define_xfs_printk_level(xfs_debug, KERN_DEBUG); |
| 67 | #endif |
| 68 | |
| 69 | void |
| 70 | xfs_alert_tag( |
| 71 | const struct xfs_mount *mp, |
| 72 | int panic_tag, |
| 73 | const char *fmt, ...) |
| 74 | { |
| 75 | struct va_format vaf; |
| 76 | va_list args; |
| 77 | int do_panic = 0; |
| 78 | |
| 79 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) { |
| 80 | xfs_alert(mp, "Transforming an alert into a BUG."); |
| 81 | do_panic = 1; |
| 82 | } |
| 83 | |
| 84 | va_start(args, fmt); |
| 85 | |
| 86 | vaf.fmt = fmt; |
| 87 | vaf.va = &args; |
| 88 | |
| 89 | __xfs_printk(KERN_ALERT, mp, &vaf); |
| 90 | va_end(args); |
| 91 | |
| 92 | BUG_ON(do_panic); |
| 93 | } |
| 94 | |
| 95 | void |
| 96 | asswarn(char *expr, char *file, int line) |
| 97 | { |
| 98 | xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d", |
| 99 | expr, file, line); |
| 100 | WARN_ON(1); |
| 101 | } |
| 102 | |
| 103 | void |
| 104 | assfail(char *expr, char *file, int line) |
| 105 | { |
| 106 | xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d", |
| 107 | expr, file, line); |
| 108 | BUG(); |
| 109 | } |
| 110 | |
| 111 | void |
| 112 | xfs_hex_dump(void *p, int length) |
| 113 | { |
| 114 | print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1); |
| 115 | } |