diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index c4194dab7a3..37b87e28a2f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -173,12 +173,16 @@ static int pin_down_block(struct btrfs_root *root, u64 blocknr, int pending) if (!pending) { bh = btrfs_find_tree_block(root, blocknr); - if (bh && buffer_uptodate(bh)) { - header = btrfs_buffer_header(bh); - if (btrfs_header_generation(header) == - root->fs_info->running_transaction->transid) { - btrfs_block_release(root, bh); - return 0; + if (bh) { + if (buffer_uptodate(bh)) { + u64 transid = + root->fs_info->running_transaction->transid; + header = btrfs_buffer_header(bh); + if (btrfs_header_generation(header) == + transid) { + btrfs_block_release(root, bh); + return 0; + } } btrfs_block_release(root, bh); } @@ -539,6 +543,8 @@ static int walk_down_tree(struct btrfs_trans_handle *trans, struct btrfs_root */ while(*level >= 0) { cur = path->nodes[*level]; + if (btrfs_header_level(btrfs_buffer_header(cur)) != *level) + WARN_ON(1); if (path->slots[*level] >= btrfs_header_nritems(btrfs_buffer_header(cur))) break; |