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ntfs: logging clean-up

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- Convert spinlock/static array to va_format (inspired by Joe Perches
  help on previous logging patches).

- Convert printk(KERN_ERR to pr_warn in __ntfs_warning.

- Convert printk(KERN_ERR to pr_err in __ntfs_error.

- Convert printk(KERN_DEBUG to pr_debug in __ntfs_debug.  (Note that
  __ntfs_debug is still guarded by #if DEBUG)

- Improve !DEBUG to parse all arguments (Joe Perches).

- Sparse pr_foo() conversions in super.c

NTFS, NTFS-fs prefixes as well as 'warning' and 'error' were removed :
pr_foo() automatically adds module name and error level is already
specified.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Anton Altaparmakov <anton@tuxera.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fabian Frederick
2014-04-07 15:36:53 -07:00
committed by Linus Torvalds
parent 2b3a8fd735
commit 87c1b497c2
3 changed files with 42 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
fs/ntfs/debug.c
View File

@@ -18,16 +18,9 @@
* distribution in the file COPYING); if not, write to the Free Software
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#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
@@ -50,6 +43,7 @@ static DEFINE_SPINLOCK(err_buf_lock);
void __ntfs_warning(const char *function, const struct super_block *sb,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int flen = 0;
@@ -59,17 +53,15 @@ void __ntfs_warning(const char *function, const struct super_block *sb,
#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);
vaf.fmt = fmt;
vaf.va = &args;
if (sb)
printk(KERN_ERR "NTFS-fs warning (device %s): %s(): %s\n",
sb->s_id, flen ? function : "", err_buf);
pr_warn("(device %s): %s(): %pV\n",
sb->s_id, flen ? function : "", &vaf);
else
printk(KERN_ERR "NTFS-fs warning: %s(): %s\n",
flen ? function : "", err_buf);
spin_unlock(&err_buf_lock);
pr_warn("%s(): %pV\n", flen ? function : "", &vaf);
va_end(args);
}
/**
@@ -94,6 +86,7 @@ void __ntfs_warning(const char *function, const struct super_block *sb,
void __ntfs_error(const char *function, const struct super_block *sb,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int flen = 0;
@@ -103,17 +96,15 @@ void __ntfs_error(const char *function, const struct super_block *sb,
#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);
vaf.fmt = fmt;
vaf.va = &args;
if (sb)
printk(KERN_ERR "NTFS-fs error (device %s): %s(): %s\n",
sb->s_id, flen ? function : "", err_buf);
pr_err("(device %s): %s(): %pV\n",
sb->s_id, flen ? function : "", &vaf);
else
printk(KERN_ERR "NTFS-fs error: %s(): %s\n",
flen ? function : "", err_buf);
spin_unlock(&err_buf_lock);
pr_err("%s(): %pV\n", flen ? function : "", &vaf);
va_end(args);
}
#ifdef DEBUG
@@ -124,6 +115,7 @@ int debug_msgs = 0;
void __ntfs_debug (const char *file, int line, const char *function,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int flen = 0;
@@ -131,13 +123,11 @@ void __ntfs_debug (const char *file, int line, const char *function,
return;
if (function)
flen = strlen(function);
spin_lock(&err_buf_lock);
va_start(args, fmt);
vsnprintf(err_buf, sizeof(err_buf), fmt, args);
vaf.fmt = fmt;
vaf.va = &args;
pr_debug("(%s, %d): %s(): %pV", file, line, flen ? function : "", &vaf);
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. */
@@ -149,12 +139,12 @@ void ntfs_debug_dump_runlist(const runlist_element *rl)
if (!debug_msgs)
return;
printk(KERN_DEBUG "NTFS-fs DEBUG: Dumping runlist (values in hex):\n");
pr_debug("Dumping runlist (values in hex):\n");
if (!rl) {
printk(KERN_DEBUG "Run list not present.\n");
pr_debug("Run list not present.\n");
return;
}
printk(KERN_DEBUG "VCN LCN Run length\n");
pr_debug("VCN LCN Run length\n");
for (i = 0; ; i++) {
LCN lcn = (rl + i)->lcn;
@@ -163,13 +153,13 @@ void ntfs_debug_dump_runlist(const runlist_element *rl)
if (index > -LCN_ENOENT - 1)
index = 3;
printk(KERN_DEBUG "%-16Lx %s %-16Lx%s\n",
pr_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",
pr_debug("%-16Lx %-16Lx %-16Lx%s\n",
(long long)(rl + i)->vcn,
(long long)(rl + i)->lcn,
(long long)(rl + i)->length,