summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/extent-tree.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 343eb10..ddf16bf 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2992,6 +2992,10 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
int (*process_func)(struct btrfs_trans_handle *, struct btrfs_root *,
u64, u64, u64, u64, u64, u64, int);
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state)))
+ return 0;
+#endif
ref_root = btrfs_header_owner(buf);
nritems = btrfs_header_nritems(buf);
level = btrfs_header_level(buf);
@@ -6151,6 +6155,10 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root,
int ret;
struct btrfs_fs_info *fs_info = root->fs_info;
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state)))
+ return 0;
+#endif
add_pinned_bytes(root->fs_info, num_bytes, owner, root_objectid);
/*
@@ -7157,6 +7165,15 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
bool skinny_metadata = btrfs_fs_incompat(root->fs_info,
SKINNY_METADATA);
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state))) {
+ buf = btrfs_init_new_buffer(trans, root, root->alloc_bytenr,
+ blocksize, level);
+ if (!IS_ERR(buf))
+ root->alloc_bytenr += blocksize;
+ return buf;
+ }
+#endif
block_rsv = use_block_rsv(trans, root, blocksize);
if (IS_ERR(block_rsv))
return ERR_CAST(block_rsv);
OpenPOWER on IntegriCloud