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-rw-r--r--fs/btrfs/relocation.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2f0e25afa486..00504657b602 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1435,6 +1435,13 @@ int btrfs_init_reloc_root(struct btrfs_trans_handle *trans,
int clear_rsv = 0;
int ret;
+ /*
+ * The subvolume has reloc tree but the swap is finished, no need to
+ * create/update the dead reloc tree
+ */
+ if (test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state))
+ return 0;
+
if (root->reloc_root) {
reloc_root = root->reloc_root;
reloc_root->last_trans = trans->transid;
@@ -2187,7 +2194,6 @@ static int clean_dirty_subvols(struct reloc_control *rc)
/* Merged subvolume, cleanup its reloc root */
struct btrfs_root *reloc_root = root->reloc_root;
- clear_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state);
list_del_init(&root->reloc_dirty_list);
root->reloc_root = NULL;
if (reloc_root) {
@@ -2196,6 +2202,7 @@ static int clean_dirty_subvols(struct reloc_control *rc)
if (ret2 < 0 && !ret)
ret = ret2;
}
+ clear_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state);
btrfs_put_fs_root(root);
} else {
/* Orphan reloc tree, just clean it up */