btrfs_read_fs_root_no_name() already checks if btrfs_root_refs()
is zero and returns ENOENT in this case. There is no need to do
it again in three more places.
Signed-off-by: Stefan Behrens <sbehr...@giantdisaster.de>
---
fs/btrfs/file.c | 5 -----
fs/btrfs/relocation.c | 3 ---
fs/btrfs/scrub.c | 5 -----
3 files changed, 13 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 5c63229..fce83dd 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -310,11 +310,6 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info
*fs_info,
goto cleanup;
}
- if (btrfs_root_refs(&inode_root->root_item) == 0) {
- ret = -ENOENT;
- goto cleanup;
- }
-
key.objectid = defrag->ino;
btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
key.offset = 0;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index cf5e30f..aacc212 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2354,9 +2354,6 @@ again:
if (IS_ERR(root))
continue;
- if (btrfs_root_refs(&root->root_item) == 0)
- continue;
-
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index ec6a33a..0afcd45 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3217,11 +3217,6 @@ static int copy_nocow_pages_for_inode(u64 inum, u64
offset, u64 root, void *ctx)
return PTR_ERR(local_root);
}
- if (btrfs_root_refs(&local_root->root_item) == 0) {
- srcu_read_unlock(&fs_info->subvol_srcu, srcu_index);
- return -ENOENT;
- }
-
key.type = BTRFS_INODE_ITEM_KEY;
key.objectid = inum;
key.offset = 0;
--
1.8.3.4
--
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