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-rw-r--r--fs/btrfs/backref.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 0552a59..3775947 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -185,6 +185,9 @@ static int __add_prelim_ref(struct list_head *head, u64 root_id,
{
struct __prelim_ref *ref;
+ if (root_id == BTRFS_DATA_RELOC_TREE_OBJECTID)
+ return 0;
+
ref = kmem_cache_alloc(btrfs_prelim_ref_cache, gfp_mask);
if (!ref)
return -ENOMEM;
@@ -323,8 +326,7 @@ static int __resolve_indirect_ref(struct btrfs_fs_info *fs_info,
eb = path->nodes[level];
while (!eb) {
- if (!level) {
- WARN_ON(1);
+ if (WARN_ON(!level)) {
ret = 1;
goto out;
}
@@ -1619,7 +1621,7 @@ static int iterate_inode_refs(u64 inum, struct btrfs_root *fs_root,
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_release_path(path);
- item = btrfs_item_nr(eb, slot);
+ item = btrfs_item_nr(slot);
iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);
for (cur = 0; cur < btrfs_item_size(eb, item); cur += len) {
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