Perform full sync procedure to guarantee quota consistency.
Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
---
fs/ext4/super.c | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e5166e5..4e8a7b5 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1075,6 +1075,7 @@ 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, int remount);
+static int ext4_quota_off(struct super_block *sb, int type, int remount);
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);
@@ -1096,7 +1097,7 @@ static const struct dquot_operations ext4_quota_operations = {
static const struct quotactl_ops ext4_qctl_operations = {
.quota_on = ext4_quota_on,
- .quota_off = vfs_quota_off,
+ .quota_off = ext4_quota_off,
.quota_sync = vfs_quota_sync,
.get_info = vfs_get_dqinfo,
.set_info = vfs_set_dqinfo,
@@ -3986,6 +3987,18 @@ 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, int remount)
+{
+ /* Force all delayed allocation blocks to be allocated */
+ if (test_opt(sb, DELALLOC) && !remount) {
+ down_read(&sb->s_umount);
+ sync_filesystem(sb);
+ up_read(&sb->s_umount);
+ }
+
+ return vfs_quota_off(sb, type, remount);
+}
+
/* 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)
--
1.6.6.1
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