diff options
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 2603ee539b7..3b6e35aafc9 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -388,16 +388,14 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle *trans, WARN_ON(1); } - spin_lock(&root->fs_info->hash_lock); if (btrfs_header_generation(buf) == trans->transid && btrfs_header_owner(buf) == root->root_key.objectid && !btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN)) { *cow_ret = buf; - spin_unlock(&root->fs_info->hash_lock); WARN_ON(prealloc_dest); return 0; } - spin_unlock(&root->fs_info->hash_lock); + search_start = buf->start & ~((u64)(1024 * 1024 * 1024) - 1); ret = __btrfs_cow_block(trans, root, buf, parent, parent_slot, cow_ret, search_start, 0, @@ -1376,14 +1374,11 @@ again: int wret; /* is a cow on this block not required */ - spin_lock(&root->fs_info->hash_lock); if (btrfs_header_generation(b) == trans->transid && btrfs_header_owner(b) == root->root_key.objectid && !btrfs_header_flag(b, BTRFS_HEADER_FLAG_WRITTEN)) { - spin_unlock(&root->fs_info->hash_lock); goto cow_done; } - spin_unlock(&root->fs_info->hash_lock); /* ok, we have to cow, is our old prealloc the right * size? |