1/* 2 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18#include <xfs.h> 19#include "debug.h" 20#include "spin.h" 21 22static char message[1024]; /* keep it off the stack */ 23static DEFINE_SPINLOCK(xfs_err_lock); 24 25/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */ 26#define XFS_MAX_ERR_LEVEL 7 27#define XFS_ERR_MASK ((1 << 3) - 1) 28static const char * const err_level[XFS_MAX_ERR_LEVEL+1] = 29 {KERN_EMERG, KERN_ALERT, KERN_CRIT, 30 KERN_ERR, KERN_WARNING, KERN_NOTICE, 31 KERN_INFO, KERN_DEBUG}; 32 33void 34cmn_err(register int level, char *fmt, ...) 35{ 36 char *fp = fmt; 37 int len; 38 ulong flags; 39 va_list ap; 40 41 level &= XFS_ERR_MASK; 42 if (level > XFS_MAX_ERR_LEVEL) 43 level = XFS_MAX_ERR_LEVEL; 44 spin_lock_irqsave(&xfs_err_lock,flags); 45 va_start(ap, fmt); 46 if (*fmt == '!') fp++; 47 len = vsnprintf(message, sizeof(message), fp, ap); 48 if (len >= sizeof(message)) 49 len = sizeof(message) - 1; 50 if (message[len-1] == '\n') 51 message[len-1] = 0; 52 printk("%s%s\n", err_level[level], message); 53 va_end(ap); 54 spin_unlock_irqrestore(&xfs_err_lock,flags); 55 BUG_ON(level == CE_PANIC); 56} 57 58void 59icmn_err(register int level, char *fmt, va_list ap) 60{ 61 ulong flags; 62 int len; 63 64 level &= XFS_ERR_MASK; 65 if(level > XFS_MAX_ERR_LEVEL) 66 level = XFS_MAX_ERR_LEVEL; 67 spin_lock_irqsave(&xfs_err_lock,flags); 68 len = vsnprintf(message, sizeof(message), fmt, ap); 69 if (len >= sizeof(message)) 70 len = sizeof(message) - 1; 71 if (message[len-1] == '\n') 72 message[len-1] = 0; 73 printk("%s%s\n", err_level[level], message); 74 spin_unlock_irqrestore(&xfs_err_lock,flags); 75 BUG_ON(level == CE_PANIC); 76} 77 78void 79assfail(char *expr, char *file, int line) 80{ 81 printk("Assertion failed: %s, file: %s, line: %d\n", expr, file, line); 82 BUG(); 83} 84