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authorJiaying Zhang <jiayingz@google.com>2010-05-17 18:36:03 +0200
committerJan Kara <jack@suse.cz>2010-05-21 19:30:49 +0200
commit1907131bbeabb33db313bad34f3ec1a5faedbd64 (patch)
treee5561fce158ea6f17406f8f17871af0c61d5cbd5 /fs/quota/quota_v2.c
parentc06bcbfa1ed8daaeb2a262f372b411207891e229 (diff)
downloadlinux-1907131bbeabb33db313bad34f3ec1a5faedbd64.tar.bz2
dquot: Detect partial write error to quota file in write_blk() and add printk_ratelimit for quota error messages
This patch changes quota_tree.c:write_blk() to detect error caused by partial write to quota file and add a macro to limit control printed quota error messages so we won't fill up dmesg with a corrupted quota file. Signed-off-by: Jiaying Zhang <jiayingz@google.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/quota/quota_v2.c')
-rw-r--r--fs/quota/quota_v2.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c
index e3da02f4986f..135206af1458 100644
--- a/fs/quota/quota_v2.c
+++ b/fs/quota/quota_v2.c
@@ -63,7 +63,7 @@ static int v2_read_header(struct super_block *sb, int type,
size = sb->s_op->quota_read(sb, type, (char *)dqhead,
sizeof(struct v2_disk_dqheader), 0);
if (size != sizeof(struct v2_disk_dqheader)) {
- printk(KERN_WARNING "quota_v2: Failed header read:"
+ q_warn(KERN_WARNING "quota_v2: Failed header read:"
" expected=%zd got=%zd\n",
sizeof(struct v2_disk_dqheader), size);
return 0;
@@ -106,7 +106,7 @@ static int v2_read_file_info(struct super_block *sb, int type)
size = sb->s_op->quota_read(sb, type, (char *)&dinfo,
sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
if (size != sizeof(struct v2_disk_dqinfo)) {
- printk(KERN_WARNING "quota_v2: Can't read info structure on device %s.\n",
+ q_warn(KERN_WARNING "quota_v2: Can't read info structure on device %s.\n",
sb->s_id);
return -1;
}
@@ -167,7 +167,7 @@ static int v2_write_file_info(struct super_block *sb, int type)
size = sb->s_op->quota_write(sb, type, (char *)&dinfo,
sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
if (size != sizeof(struct v2_disk_dqinfo)) {
- printk(KERN_WARNING "Can't write info structure on device %s.\n",
+ q_warn(KERN_WARNING "Can't write info structure on device %s.\n",
sb->s_id);
return -1;
}