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authorMiao Xie <miaox@cn.fujitsu.com>2013-09-25 21:47:43 +0800
committerChris Mason <chris.mason@fusionio.com>2013-10-10 21:30:53 -0400
commit14927d95464956ffe8af4278331a6bfea94ab780 (patch)
treeeb9dcde86e2ea82d4c4f9997646cc6bcde75a49e /fs
parent7bf811a595a895b7a886dcf218d0d34f97df76dc (diff)
downloadlinux-14927d95464956ffe8af4278331a6bfea94ab780.tar.gz
Btrfs: insert orphan roots into fs radix tree
Now we don't drop all the deleted snapshots/subvolumes before the space balance. It means we have to relocate the space which is held by the dead snapshots/subvolumes. So we must into them into fs radix tree, or we would forget to commit the change of them when doing transaction commit, and it would corrupt the metadata. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/root-tree.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 0b1f4ef8db9..ec71ea44d2b 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -299,11 +299,6 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
continue;
}
- if (btrfs_root_refs(&root->root_item) == 0) {
- btrfs_add_dead_root(root);
- continue;
- }
-
err = btrfs_init_fs_root(root);
if (err) {
btrfs_free_fs_root(root);
@@ -318,6 +313,9 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
btrfs_free_fs_root(root);
break;
}
+
+ if (btrfs_root_refs(&root->root_item) == 0)
+ btrfs_add_dead_root(root);
}
btrfs_free_path(path);