On 12/09/2014 06:27 AM, Dongsheng Yang wrote:
When we exceed quota limit in writing, we will free
some reserved extent when we need to drop but not free
account in qgroup. It means, each time we exceed quota
in writing, there will be some remain space in qg->reserved
we can not use any more. If things go on like this, the
all space will be ate up.
Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
---
fs/btrfs/extent-tree.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a84e00d..014b7f2 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5262,8 +5262,11 @@ out_fail:
to_free = 0;
}
spin_unlock(&BTRFS_I(inode)->lock);
- if (dropped)
+ if (dropped) {
+ if (root->fs_info->quota_enabled)
+ btrfs_qgroup_free(root, dropped * root->nodesize);
This needs to be num_bytes + dropped * root->nodesize. Thanks,
Josef
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