btrfs_destroy_delayed_refs defines the variable "ret" for return value,
but it is not modified after initialization. So it is safe to drop the
unneeded value "ret".
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
fs/btrfs/disk-io.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5124c15..6cdc23a 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4192,7 +4192,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
struct rb_node *node;
struct btrfs_delayed_ref_root *delayed_refs;
struct btrfs_delayed_ref_node *ref;
- int ret = 0;
delayed_refs = &trans->delayed_refs;
@@ -4200,7 +4199,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
if (atomic_read(&delayed_refs->num_entries) == 0) {
spin_unlock(&delayed_refs->lock);
btrfs_info(fs_info, "delayed_refs has NO entry");
- return ret;
+ return 0;
}
while ((node = rb_first(&delayed_refs->href_root)) != NULL) {
@@ -4255,7 +4254,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
spin_unlock(&delayed_refs->lock);
- return ret;
+ return 0;
}
static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root)
--
1.7.12.4
