From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: Re: [PATCH 06/36] aio: delete iocbs from the active_reqs list in kiocb_cancel Date: Mon, 19 Mar 2018 17:34:56 -0700 Message-ID: <20180320003456.GD7282@magnolia> References: <20180305212743.16664-1-hch@lst.de> <20180305212743.16664-7-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180305212743.16664-7-hch@lst.de> Sender: owner-linux-aio@kvack.org To: Christoph Hellwig Cc: viro@zeniv.linux.org.uk, Avi Kivity , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-api@vger.kernel.org On Mon, Mar 05, 2018 at 01:27:13PM -0800, Christoph Hellwig wrote: > One we cancel an iocb there is no reason to keep it on the active_reqs > list, given that the list is only used to look for cancelation candidates. > > Signed-off-by: Christoph Hellwig > Acked-by: Jeff Moyer Reviewed-by: Darrick J. Wong --D > --- > fs/aio.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/aio.c b/fs/aio.c > index 2d40cf5dd4ec..0b6394b4e528 100644 > --- a/fs/aio.c > +++ b/fs/aio.c > @@ -561,6 +561,8 @@ static int kiocb_cancel(struct aio_kiocb *kiocb) > { > kiocb_cancel_fn *cancel = kiocb->ki_cancel; > > + list_del_init(&kiocb->ki_list); > + > if (!cancel) > return -EINVAL; > kiocb->ki_cancel = NULL; > @@ -607,8 +609,6 @@ static void free_ioctx_users(struct percpu_ref *ref) > while (!list_empty(&ctx->active_reqs)) { > req = list_first_entry(&ctx->active_reqs, > struct aio_kiocb, ki_list); > - > - list_del_init(&req->ki_list); > kiocb_cancel(req); > } > > -- > 2.14.2 > -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to majordomo@kvack.org. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: aart@kvack.org