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authorSargun Dhillon <sargun@sargun.me>2017-09-17 09:02:29 +0000
committerDavid Sterba <dsterba@suse.com>2017-09-26 14:54:01 +0200
commit36b96fdc6b2dc6f4a0fedc563fa7508c91b90a10 (patch)
treef570c3e39fcb38ef16de37bb8847db98611c45ec /fs/btrfs
parente6311f240c946788131ba2b97e14f37312688072 (diff)
btrfs: Report error on removing qgroup if del_qgroup_item fails
Previously, we were calling del_qgroup_item, and ignoring the return code resulting in a potential to have divergent in-memory state without an error. Perhaps, it makes sense to handle this error code, and put the filesystem into a read only, or similar state. This patch only adds reporting of the error if the error is fatal, (any error other than qgroup not found). Signed-off-by: Sargun Dhillon <sargun@sargun.me> Reviewed-by: Qu Wenruo <quwenruo.btrfs@gmx.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/qgroup.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 770f667269f5..e172d4843eae 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1305,6 +1305,8 @@ int btrfs_remove_qgroup(struct btrfs_trans_handle *trans,
}
}
ret = del_qgroup_item(trans, quota_root, qgroupid);
+ if (ret && ret != -ENOENT)
+ goto out;
while (!list_empty(&qgroup->groups)) {
list = list_first_entry(&qgroup->groups,