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authorDmitry Monakhov <dmonakhov@openvz.org>2010-08-01 17:48:36 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-08-01 17:48:36 -0400
commitca0e05e4b15193aeba72b995e90de990db7f8304 (patch)
tree85320333eb1832221225711a4b7bc0f970981c79 /fs/ext4
parent437f88cc031ffe7f37f3e705367f4fe1f4be8b0f (diff)
ext4: force block allocation on quota_off
Perform full sync procedure so that any delayed allocation blocks are allocated so quota will be consistent. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/super.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 282a2704be2..3e3f6484c22 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1118,6 +1118,7 @@ static int ext4_mark_dquot_dirty(struct dquot *dquot);
static int ext4_write_info(struct super_block *sb, int type);
static int ext4_quota_on(struct super_block *sb, int type, int format_id,
char *path);
+static int ext4_quota_off(struct super_block *sb, int type);
static int ext4_quota_on_mount(struct super_block *sb, int type);
static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
size_t len, loff_t off);
@@ -1139,7 +1140,7 @@ static const struct dquot_operations ext4_quota_operations = {
static const struct quotactl_ops ext4_qctl_operations = {
.quota_on = ext4_quota_on,
- .quota_off = dquot_quota_off,
+ .quota_off = ext4_quota_off,
.quota_sync = dquot_quota_sync,
.get_info = dquot_get_dqinfo,
.set_info = dquot_set_dqinfo,
@@ -4098,6 +4099,18 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
return err;
}
+static int ext4_quota_off(struct super_block *sb, int type)
+{
+ /* Force all delayed allocation blocks to be allocated */
+ if (test_opt(sb, DELALLOC)) {
+ down_read(&sb->s_umount);
+ sync_filesystem(sb);
+ up_read(&sb->s_umount);
+ }
+
+ return dquot_quota_off(sb, type);
+}
+
/* Read data from quotafile - avoid pagecache and such because we cannot afford
* acquiring the locks... As quota files are never truncated and quota code
* itself serializes the operations (and noone else should touch the files)