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Diffstat (limited to 'fs/ntfs/debug.c')
| -rw-r--r-- | fs/ntfs/debug.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/fs/ntfs/debug.c b/fs/ntfs/debug.c deleted file mode 100644 index 807150e2c2b9..000000000000 --- a/fs/ntfs/debug.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * debug.c - NTFS kernel debug support. Part of the Linux-NTFS project. - * - * Copyright (c) 2001-2004 Anton Altaparmakov - * - * This program/include file is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as published - * by the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program/include file is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (in the main directory of the Linux-NTFS - * distribution in the file COPYING); if not, write to the Free Software - * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "debug.h" - -/* - * A static buffer to hold the error string being displayed and a spinlock - * to protect concurrent accesses to it. - */ -static char err_buf[1024]; -static DEFINE_SPINLOCK(err_buf_lock); - -/** - * __ntfs_warning - output a warning to the syslog - * @function: name of function outputting the warning - * @sb: super block of mounted ntfs filesystem - * @fmt: warning string containing format specifications - * @...: a variable number of arguments specified in @fmt - * - * Outputs a warning to the syslog for the mounted ntfs filesystem described - * by @sb. - * - * @fmt and the corresponding @... is printf style format string containing - * the warning string and the corresponding format arguments, respectively. - * - * @function is the name of the function from which __ntfs_warning is being - * called. - * - * Note, you should be using debug.h::ntfs_warning(@sb, @fmt, @...) instead - * as this provides the @function parameter automatically. - */ -void __ntfs_warning(const char *function, const struct super_block *sb, - const char *fmt, ...) -{ - va_list args; - int flen = 0; - -#ifndef DEBUG - if (!printk_ratelimit()) - return; -#endif - if (function) - flen = strlen(function); - spin_lock(&err_buf_lock); - va_start(args, fmt); - vsnprintf(err_buf, sizeof(err_buf), fmt, args); - va_end(args); - if (sb) - printk(KERN_ERR "NTFS-fs warning (device %s): %s(): %s\n", - sb->s_id, flen ? function : "", err_buf); - else - printk(KERN_ERR "NTFS-fs warning: %s(): %s\n", - flen ? function : "", err_buf); - spin_unlock(&err_buf_lock); -} - -/** - * __ntfs_error - output an error to the syslog - * @function: name of function outputting the error - * @sb: super block of mounted ntfs filesystem - * @fmt: error string containing format specifications - * @...: a variable number of arguments specified in @fmt - * - * Outputs an error to the syslog for the mounted ntfs filesystem described - * by @sb. - * - * @fmt and the corresponding @... is printf style format string containing - * the error string and the corresponding format arguments, respectively. - * - * @function is the name of the function from which __ntfs_error is being - * called. - * - * Note, you should be using debug.h::ntfs_error(@sb, @fmt, @...) instead - * as this provides the @function parameter automatically. - */ -void __ntfs_error(const char *function, const struct super_block *sb, - const char *fmt, ...) -{ - va_list args; - int flen = 0; - -#ifndef DEBUG - if (!printk_ratelimit()) - return; -#endif - if (function) - flen = strlen(function); - spin_lock(&err_buf_lock); - va_start(args, fmt); - vsnprintf(err_buf, sizeof(err_buf), fmt, args); - va_end(args); - if (sb) - printk(KERN_ERR "NTFS-fs error (device %s): %s(): %s\n", - sb->s_id, flen ? function : "", err_buf); - else - printk(KERN_ERR "NTFS-fs error: %s(): %s\n", - flen ? function : "", err_buf); - spin_unlock(&err_buf_lock); -} - -#ifdef DEBUG - -/* If 1, output debug messages, and if 0, don't. */ -int debug_msgs = 0; - -void __ntfs_debug (const char *file, int line, const char *function, - const char *fmt, ...) -{ - va_list args; - int flen = 0; - - if (!debug_msgs) - return; - if (function) - flen = strlen(function); - spin_lock(&err_buf_lock); - va_start(args, fmt); - vsnprintf(err_buf, sizeof(err_buf), fmt, args); - va_end(args); - printk(KERN_DEBUG "NTFS-fs DEBUG (%s, %d): %s(): %s\n", file, line, - flen ? function : "", err_buf); - spin_unlock(&err_buf_lock); -} - -/* Dump a runlist. Caller has to provide synchronisation for @rl. */ -void ntfs_debug_dump_runlist(const runlist_element *rl) -{ - int i; - const char *lcn_str[5] = { "LCN_HOLE ", "LCN_RL_NOT_MAPPED", - "LCN_ENOENT ", "LCN_unknown " }; - - if (!debug_msgs) - return; - printk(KERN_DEBUG "NTFS-fs DEBUG: Dumping runlist (values in hex):\n"); - if (!rl) { - printk(KERN_DEBUG "Run list not present.\n"); - return; - } - printk(KERN_DEBUG "VCN LCN Run length\n"); - for (i = 0; ; i++) { - LCN lcn = (rl + i)->lcn; - - if (lcn < (LCN)0) { - int index = -lcn - 1; - - if (index > -LCN_ENOENT - 1) - index = 3; - printk(KERN_DEBUG "%-16Lx %s %-16Lx%s\n", - (long long)(rl + i)->vcn, lcn_str[index], - (long long)(rl + i)->length, - (rl + i)->length ? "" : - " (runlist end)"); - } else - printk(KERN_DEBUG "%-16Lx %-16Lx %-16Lx%s\n", - (long long)(rl + i)->vcn, - (long long)(rl + i)->lcn, - (long long)(rl + i)->length, - (rl + i)->length ? "" : - " (runlist end)"); - if (!(rl + i)->length) - break; - } -} - -#endif |