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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index bfae67c593c5..eed81a7e36a4 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -6140,6 +6140,7 @@ struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
struct extent_buffer *exists = NULL;
struct page *p;
struct address_space *mapping = fs_info->btree_inode->i_mapping;
+ u64 lockdep_owner = owner_root;
int uptodate = 1;
int ret;
@@ -6164,7 +6165,15 @@ struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
eb = __alloc_extent_buffer(fs_info, start, len);
if (!eb)
return ERR_PTR(-ENOMEM);
- btrfs_set_buffer_lockdep_class(owner_root, eb, level);
+
+ /*
+ * The reloc trees are just snapshots, so we need them to appear to be
+ * just like any other fs tree WRT lockdep.
+ */
+ if (lockdep_owner == BTRFS_TREE_RELOC_OBJECTID)
+ lockdep_owner = BTRFS_FS_TREE_OBJECTID;
+
+ btrfs_set_buffer_lockdep_class(lockdep_owner, eb, level);
num_pages = num_extent_pages(eb);
for (i = 0; i < num_pages; i++, index++) {