From 055adcbd7da75868697e767adc4f3272f6cae76c Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 23 Nov 2010 18:49:54 -0800 Subject: 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 Signed-off-by: Jan Kara --- fs/quota/dquot.c | 18 +++++++++++------- fs/quota/quota_tree.c | 9 +++++---- 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 0fed41e6efcd..84becd3e4772 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 9e48874eabcc..e41c1becf096 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 d1a9193960f1..223b14cd129c 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. -- cgit v1.2.3