Btrfs: Add lowest key information to back refs for extent tree blocks as well.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bb70db0..03fea03 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -563,6 +563,7 @@
u64 extent_num_bytes = 0;
u64 item_end = 0;
u64 root_gen = 0;
+ u64 root_owner = 0;
int found_extent;
int del_item;
int extent_type = -1;
@@ -673,15 +674,8 @@
found_extent = 1;
inode->i_blocks -= num_dec;
}
- if (leaf == root->node) {
- root_gen =
- btrfs_header_generation(leaf);
- } else {
- struct extent_buffer *parent;
- parent = path->nodes[1];
- root_gen =
- btrfs_header_generation(parent);
- }
+ root_gen = btrfs_header_generation(leaf);
+ root_owner = btrfs_header_owner(leaf);
}
} else if (extent_type == BTRFS_FILE_EXTENT_INLINE &&
!del_item) {
@@ -703,7 +697,7 @@
if (found_extent) {
ret = btrfs_free_extent(trans, root, extent_start,
extent_num_bytes,
- root->root_key.objectid,
+ root_owner,
root_gen, inode->i_ino,
found_key.offset, 0);
BUG_ON(ret);