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authorJoe Perches <joe@perches.com>2015-04-14 15:43:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 16:48:58 -0700
commit1543306e75ee40662b2c6d37c43c8659f3d6f880 (patch)
treed35d258cd98eea1c568210f1fb60acf25a4be2b6 /fs/ocfs2/super.c
parente2ac55b6a8e337fac7cc59c6f452caac92ab5ee6 (diff)
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>
Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index fb43de586791..c558bff99165 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -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