Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 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" |
Eric Sandeen | 847f9f6 | 2015-10-12 16:04:45 +1100 | [diff] [blame] | 20 | #include "xfs_error.h" |
Christoph Hellwig | 4fb6e8a | 2014-11-28 14:25:04 +1100 | [diff] [blame] | 21 | #include "xfs_format.h" |
Dave Chinner | 239880e | 2013-10-23 10:50:10 +1100 | [diff] [blame] | 22 | #include "xfs_log_format.h" |
| 23 | #include "xfs_trans_resv.h" |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 24 | #include "xfs_mount.h" |
| 25 | |
| 26 | /* |
| 27 | * XFS logging functions |
| 28 | */ |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 29 | static void |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 30 | __xfs_printk( |
| 31 | const char *level, |
| 32 | const struct xfs_mount *mp, |
| 33 | struct va_format *vaf) |
| 34 | { |
Dave Chinner | 3eff126 | 2011-04-12 13:34:20 +0000 | [diff] [blame] | 35 | if (mp && mp->m_fsname) { |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 36 | printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf); |
Dave Chinner | 3eff126 | 2011-04-12 13:34:20 +0000 | [diff] [blame] | 37 | return; |
| 38 | } |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 39 | printk("%sXFS: %pV\n", level, vaf); |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 40 | } |
| 41 | |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 42 | #define define_xfs_printk_level(func, kern_level) \ |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 43 | void func(const struct xfs_mount *mp, const char *fmt, ...) \ |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 44 | { \ |
| 45 | struct va_format vaf; \ |
| 46 | va_list args; \ |
Eric Sandeen | 847f9f6 | 2015-10-12 16:04:45 +1100 | [diff] [blame] | 47 | int level; \ |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 48 | \ |
| 49 | va_start(args, fmt); \ |
| 50 | \ |
| 51 | vaf.fmt = fmt; \ |
| 52 | vaf.va = &args; \ |
| 53 | \ |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 54 | __xfs_printk(kern_level, mp, &vaf); \ |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 55 | va_end(args); \ |
Eric Sandeen | 847f9f6 | 2015-10-12 16:04:45 +1100 | [diff] [blame] | 56 | \ |
| 57 | if (!kstrtoint(kern_level, 0, &level) && \ |
| 58 | level <= LOGLEVEL_ERR && \ |
| 59 | xfs_error_level >= XFS_ERRLEVEL_HIGH) \ |
| 60 | xfs_stack_trace(); \ |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 61 | } \ |
| 62 | |
| 63 | define_xfs_printk_level(xfs_emerg, KERN_EMERG); |
| 64 | define_xfs_printk_level(xfs_alert, KERN_ALERT); |
| 65 | define_xfs_printk_level(xfs_crit, KERN_CRIT); |
| 66 | define_xfs_printk_level(xfs_err, KERN_ERR); |
| 67 | define_xfs_printk_level(xfs_warn, KERN_WARNING); |
| 68 | define_xfs_printk_level(xfs_notice, KERN_NOTICE); |
| 69 | define_xfs_printk_level(xfs_info, KERN_INFO); |
| 70 | #ifdef DEBUG |
| 71 | define_xfs_printk_level(xfs_debug, KERN_DEBUG); |
| 72 | #endif |
| 73 | |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 74 | void |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 75 | xfs_alert_tag( |
| 76 | const struct xfs_mount *mp, |
| 77 | int panic_tag, |
| 78 | const char *fmt, ...) |
| 79 | { |
| 80 | struct va_format vaf; |
| 81 | va_list args; |
Alex Elder | 0c9ba97 | 2011-03-11 12:39:51 +0000 | [diff] [blame] | 82 | int do_panic = 0; |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 83 | |
| 84 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) { |
Joe Perches | e69522a | 2011-05-03 20:14:44 +0000 | [diff] [blame] | 85 | xfs_alert(mp, "Transforming an alert into a BUG."); |
Alex Elder | 0c9ba97 | 2011-03-11 12:39:51 +0000 | [diff] [blame] | 86 | do_panic = 1; |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | va_start(args, fmt); |
| 90 | |
| 91 | vaf.fmt = fmt; |
| 92 | vaf.va = &args; |
| 93 | |
Christoph Hellwig | 957935d | 2011-04-02 18:13:40 +0000 | [diff] [blame] | 94 | __xfs_printk(KERN_ALERT, mp, &vaf); |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 95 | va_end(args); |
| 96 | |
Alex Elder | 0c9ba97 | 2011-03-11 12:39:51 +0000 | [diff] [blame] | 97 | BUG_ON(do_panic); |
Dave Chinner | 10e3839 | 2011-03-02 14:20:59 +1100 | [diff] [blame] | 98 | } |
Dave Chinner | 9130090 | 2011-03-07 10:09:35 +1100 | [diff] [blame] | 99 | |
| 100 | void |
Dave Chinner | 742ae1e | 2013-04-30 21:39:34 +1000 | [diff] [blame] | 101 | asswarn(char *expr, char *file, int line) |
| 102 | { |
| 103 | xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d", |
| 104 | expr, file, line); |
| 105 | WARN_ON(1); |
| 106 | } |
| 107 | |
| 108 | void |
Dave Chinner | 9130090 | 2011-03-07 10:09:35 +1100 | [diff] [blame] | 109 | assfail(char *expr, char *file, int line) |
| 110 | { |
| 111 | xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d", |
| 112 | expr, file, line); |
Brian Foster | ccdab3d | 2017-06-14 21:29:12 -0700 | [diff] [blame] | 113 | if (xfs_globals.bug_on_assert) |
| 114 | BUG(); |
| 115 | else |
| 116 | WARN_ON(1); |
Dave Chinner | 9130090 | 2011-03-07 10:09:35 +1100 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | void |
| 120 | xfs_hex_dump(void *p, int length) |
| 121 | { |
| 122 | print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1); |
| 123 | } |