Re: [PATCH -next] btrfs: send: use list_move_tail instead of list_del/list_add_tail

From: Anand Jain
Date: Tue Jun 08 2021 - 01:16:55 EST


On 8/6/21 11:12 am, Baokun Li wrote:
Using list_move_tail() instead of list_del() + list_add_tail().

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
fs/btrfs/send.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index bd69db72acc5..a0e51b2416a1 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -2083,8 +2083,7 @@ static struct name_cache_entry *name_cache_search(struct send_ctx *sctx,
*/
static void name_cache_used(struct send_ctx *sctx, struct name_cache_entry *nce)
{
- list_del(&nce->list);
- list_add_tail(&nce->list, &sctx->name_cache_list);
+ list_move_tail(&nce->list, &sctx->name_cache_list);
}


Looks good.
You can consider open-code name_cache_used() as there is only one user.

Thanks, Anand

/*