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| author | Chris Mason <chris.mason@fusionio.com> | 2013-02-05 15:04:03 (GMT) |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2013-02-05 15:04:03 (GMT) |
| commit | 0e4e02636611dbf89a2f36320a32054f9936d6cb (patch) | |
| tree | 18b4ecc6c3812770b29729d7abbdc673ffd73a41 /fs/btrfs/qgroup.c | |
| parent | 1f0905ec156eec8f12cd593bc564551770319720 (diff) | |
| parent | 1eafa6c73791e4f312324ddad9cbcaf6a1b6052b (diff) | |
| download | linux-fsl-qoriq-0e4e02636611dbf89a2f36320a32054f9936d6cb.tar.xz | |
Merge branch 'for-linus' into raid56-experimental
Conflicts:
fs/btrfs/volumes.c
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/qgroup.c')
| -rw-r--r-- | fs/btrfs/qgroup.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index fe9d02c..a5c8562 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -379,6 +379,13 @@ next1: ret = add_relation_rb(fs_info, found_key.objectid, found_key.offset); + if (ret == -ENOENT) { + printk(KERN_WARNING + "btrfs: orphan qgroup relation 0x%llx->0x%llx\n", + (unsigned long long)found_key.objectid, + (unsigned long long)found_key.offset); + ret = 0; /* ignore the error */ + } if (ret) goto out; next2: @@ -956,17 +963,28 @@ int btrfs_remove_qgroup(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 qgroupid) { struct btrfs_root *quota_root; + struct btrfs_qgroup *qgroup; int ret = 0; quota_root = fs_info->quota_root; if (!quota_root) return -EINVAL; + /* check if there are no relations to this qgroup */ + spin_lock(&fs_info->qgroup_lock); + qgroup = find_qgroup_rb(fs_info, qgroupid); + if (qgroup) { + if (!list_empty(&qgroup->groups) || !list_empty(&qgroup->members)) { + spin_unlock(&fs_info->qgroup_lock); + return -EBUSY; + } + } + spin_unlock(&fs_info->qgroup_lock); + ret = del_qgroup_item(trans, quota_root, qgroupid); spin_lock(&fs_info->qgroup_lock); del_qgroup_rb(quota_root->fs_info, qgroupid); - spin_unlock(&fs_info->qgroup_lock); return ret; |