diff options
| author | Joe Perches <joe@perches.com> | 2010-11-23 18:49:54 -0800 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2011-01-10 19:04:05 +0100 |
| commit | 055adcbd7da75868697e767adc4f3272f6cae76c (patch) | |
| tree | 613866918d108adf8536a0d0aab0f1d3bc2c5072 | |
| parent | 9c52749232b5cef506877ac633ea14083bd17e02 (diff) | |
quota: Use %pV and __attribute__((format (printf in __quota_error and fix fallout
Use %pV in __quota_error so a single printk can not be
interleaved with other logging messages.
Add __attribute__((format (printf, 3, 4))) so format
and arguments can be verified by compiler.
Make sure printk formats and arguments match.
Block # needed a pointer dereference.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jan Kara <jack@suse.cz>
| -rw-r--r-- | fs/quota/dquot.c | 18 | ||||
| -rw-r--r-- | fs/quota/quota_tree.c | 9 | ||||
| -rw-r--r-- | include/linux/quotaops.h | 5 |
3 files changed, 19 insertions, 13 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 0fed41e6efc..84becd3e477 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -133,16 +133,20 @@ __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_data_lock); EXPORT_SYMBOL(dq_data_lock); void __quota_error(struct super_block *sb, const char *func, - const char *fmt, ...) + const char *fmt, ...) { - va_list args; - if (printk_ratelimit()) { + va_list args; + struct va_format vaf; + va_start(args, fmt); - printk(KERN_ERR "Quota error (device %s): %s: ", - sb->s_id, func); - vprintk(fmt, args); - printk("\n"); + + vaf.fmt = fmt; + vaf.va = &args; + + printk(KERN_ERR "Quota error (device %s): %s: %pV\n", + sb->s_id, func, &vaf); + va_end(args); } } diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c index 9e48874eabc..e41c1becf09 100644 --- a/fs/quota/quota_tree.c +++ b/fs/quota/quota_tree.c @@ -468,8 +468,8 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, return -ENOMEM; ret = read_blk(info, *blk, buf); if (ret < 0) { - quota_error(dquot->dq_sb, "Can't read quota data " - "block %u", blk); + quota_error(dquot->dq_sb, "Can't read quota data block %u", + *blk); goto out_buf; } newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); @@ -493,8 +493,9 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, } else { ret = write_blk(info, *blk, buf); if (ret < 0) - quota_error(dquot->dq_sb, "Can't write quota " - "tree block %u", blk); + quota_error(dquot->dq_sb, + "Can't write quota tree block %u", + *blk); } } out_buf: diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index d1a9193960f..223b14cd129 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -31,8 +31,9 @@ static inline bool is_quota_modification(struct inode *inode, struct iattr *ia) #define quota_error(sb, fmt, args...) \ __quota_error((sb), __func__, fmt , ## args) -extern void __quota_error(struct super_block *sb, const char *func, - const char *fmt, ...); +extern __attribute__((format (printf, 3, 4))) +void __quota_error(struct super_block *sb, const char *func, + const char *fmt, ...); /* * declaration of quota_function calls in kernel. |