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ocfs2: logging: remove static buffer, use vsprintf extension %pV 

Use the vsprintf %pV extension to avoid using a static buffer and remove
the now unnecessary buffer.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2015-04-14 15:43:46 -07:00 committed by Linus Torvalds
parent e2ac55b6a8
commit 1543306e75
1 changed files with 18 additions and 15 deletions
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33
fs/ocfs2/super.c
View File

@ -2564,22 +2564,22 @@ static void ocfs2_handle_error(struct super_block *sb)
ocfs2_set_ro_flag(osb, 0);
}
static char error_buf[1024];
void __ocfs2_error(struct super_block *sb,
const char *function,
const char *fmt, ...)
void __ocfs2_error(struct super_block *sb, const char *function,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
vaf.fmt = fmt;
vaf.va = &args;
/* Not using mlog here because we want to show the actual
* function the error came from. */
printk(KERN_CRIT "OCFS2: ERROR (device %s): %s: %s\n",
sb->s_id, function, error_buf);
printk(KERN_CRIT "OCFS2: ERROR (device %s): %s: %pV\n",
sb->s_id, function, &vaf);
va_end(args);
ocfs2_handle_error(sb);
}
@ -2587,18 +2587,21 @@ void __ocfs2_error(struct super_block *sb,
/* Handle critical errors. This is intentionally more drastic than
* ocfs2_handle_error, so we only use for things like journal errors,
* etc. */
void __ocfs2_abort(struct super_block* sb,
const char *function,
void __ocfs2_abort(struct super_block *sb, const char *function,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk(KERN_CRIT "OCFS2: abort (device %s): %s: %s\n",
sb->s_id, function, error_buf);
vaf.fmt = fmt;
vaf.va = &args;
printk(KERN_CRIT "OCFS2: abort (device %s): %s: %pV\n",
sb->s_id, function, &vaf);
va_end(args);
/* We don't have the cluster support yet to go straight to
* hard readonly in here. Until then, we want to keep