Re: [PATCH] JFS: use list_move instead of list_del/list_add

From: Dave Kleikamp
Date: Mon Sep 17 2012 - 17:42:51 EST


Meant to reply earlier. I've sent this to linux-next and will target for
the next mainline merge window.

Thanks,
Shaggy

On 09/06/2012 02:33 AM, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
>
> Using list_move() instead of list_del() + list_add().
>
> spatch with a semantic match is used to found this problem.
> (http://coccinelle.lip6.fr/)
>
> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
> ---
> fs/jfs/jfs_txnmgr.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
> index bb8b661..5fcc02e 100644
> --- a/fs/jfs/jfs_txnmgr.c
> +++ b/fs/jfs/jfs_txnmgr.c
> @@ -2977,12 +2977,9 @@ int jfs_sync(void *arg)
> * put back on the anon_list.
> */
>
> - /* Take off anon_list */
> - list_del(&jfs_ip->anon_inode_list);
> -
> - /* Put on anon_list2 */
> - list_add(&jfs_ip->anon_inode_list,
> - &TxAnchor.anon_list2);
> + /* Move from anon_list to anon_list2 */
> + list_move(&jfs_ip->anon_inode_list,
> + &TxAnchor.anon_list2);
>
> TXN_UNLOCK();
> iput(ip);
>
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