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_inum.h" 23 #include "xfs_trans.h" 24 #include "xfs_sb.h" 25 #include "xfs_ag.h" 26 #include "xfs_mount.h" 27 28 /* 29 * XFS logging functions 30 */ 31 static void 32 __xfs_printk( 33 const char *level, 34 const struct xfs_mount *mp, 35 struct va_format *vaf) 36 { 37 if (mp && mp->m_fsname) { 38 printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf); 39 return; 40 } 41 printk("%sXFS: %pV\n", level, vaf); 42 } 43 44 #define define_xfs_printk_level(func, kern_level) \ 45 void func(const struct xfs_mount *mp, const char *fmt, ...) \ 46 { \ 47 struct va_format vaf; \ 48 va_list args; \ 49 \ 50 va_start(args, fmt); \ 51 \ 52 vaf.fmt = fmt; \ 53 vaf.va = &args; \ 54 \ 55 __xfs_printk(kern_level, mp, &vaf); \ 56 va_end(args); \ 57 } \ 58 59 define_xfs_printk_level(xfs_emerg, KERN_EMERG); 60 define_xfs_printk_level(xfs_alert, KERN_ALERT); 61 define_xfs_printk_level(xfs_crit, KERN_CRIT); 62 define_xfs_printk_level(xfs_err, KERN_ERR); 63 define_xfs_printk_level(xfs_warn, KERN_WARNING); 64 define_xfs_printk_level(xfs_notice, KERN_NOTICE); 65 define_xfs_printk_level(xfs_info, KERN_INFO); 66 #ifdef DEBUG 67 define_xfs_printk_level(xfs_debug, KERN_DEBUG); 68 #endif 69 70 void 71 xfs_alert_tag( 72 const struct xfs_mount *mp, 73 int panic_tag, 74 const char *fmt, ...) 75 { 76 struct va_format vaf; 77 va_list args; 78 int do_panic = 0; 79 80 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) { 81 xfs_alert(mp, "Transforming an alert into a BUG."); 82 do_panic = 1; 83 } 84 85 va_start(args, fmt); 86 87 vaf.fmt = fmt; 88 vaf.va = &args; 89 90 __xfs_printk(KERN_ALERT, mp, &vaf); 91 va_end(args); 92 93 BUG_ON(do_panic); 94 } 95 96 void 97 assfail(char *expr, char *file, int line) 98 { 99 xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d", 100 expr, file, line); 101 BUG(); 102 } 103 104 void 105 xfs_hex_dump(void *p, int length) 106 { 107 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1); 108 } 109