From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 28 Mar 2018 09:05:58 -0700 From: "Darrick J. Wong" To: Christoph Hellwig Cc: viro@zeniv.linux.org.uk, Avi Kivity , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/6] aio: remove an outdated comment in aio_complete Message-ID: <20180328160558.GB11581@magnolia> References: <20180328072639.16885-1-hch@lst.de> <20180328072639.16885-3-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180328072639.16885-3-hch@lst.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: On Wed, Mar 28, 2018 at 09:26:35AM +0200, Christoph Hellwig wrote: > These days we don't treat sync iocbs special in the aio completion code as > they never use it. Remove the old comment and BUG_ON given that the > current definition of is_sync_kiocb makes it impossible to hit. > iocb to the top of the function. > > Signed-off-by: Christoph Hellwig Yeah that looks fairly impossible now... Reviewed-by: Darrick J. Wong --D > --- > fs/aio.c | 9 --------- > 1 file changed, 9 deletions(-) > > diff --git a/fs/aio.c b/fs/aio.c > index 03d59593912d..f536b0f249d4 100644 > --- a/fs/aio.c > +++ b/fs/aio.c > @@ -1100,15 +1100,6 @@ static void aio_complete(struct kiocb *kiocb, long res, long res2) > file_end_write(file); > } > > - /* > - * Special case handling for sync iocbs: > - * - events go directly into the iocb for fast handling > - * - the sync task with the iocb in its stack holds the single iocb > - * ref, no other paths have a way to get another ref > - * - the sync task helpfully left a reference to itself in the iocb > - */ > - BUG_ON(is_sync_kiocb(kiocb)); > - > if (iocb->ki_list.next) { > unsigned long flags; > > -- > 2.14.2 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-api" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html