From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:44795) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qm8nF-0002ri-P6 for qemu-devel@nongnu.org; Wed, 27 Jul 2011 14:25:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qm8nD-0006iO-D2 for qemu-devel@nongnu.org; Wed, 27 Jul 2011 14:25:17 -0400 Received: from mail-ww0-f53.google.com ([74.125.82.53]:62853) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qm8nD-0006i7-8l for qemu-devel@nongnu.org; Wed, 27 Jul 2011 14:25:15 -0400 Received: by wwf26 with SMTP id 26so1532310wwf.10 for ; Wed, 27 Jul 2011 11:25:14 -0700 (PDT) From: Frediano Ziglio Date: Wed, 27 Jul 2011 20:25:25 +0200 Message-Id: <1311791126-11383-2-git-send-email-freddy77@gmail.com> In-Reply-To: <1311791126-11383-1-git-send-email-freddy77@gmail.com> References: <1311791126-11383-1-git-send-email-freddy77@gmail.com> Subject: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: qemu-devel@nongnu.org, Frediano Ziglio Signed-off-by: Frediano Ziglio --- block/raw-posix.c | 7 +++++++ linux-aio.c | 3 +++ 2 files changed, 10 insertions(+), 0 deletions(-) diff --git a/block/raw-posix.c b/block/raw-posix.c index 3c6bd4b..27ae81e 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -628,6 +628,13 @@ static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs, if (fd_open(bs) < 0) return NULL; +#ifdef CONFIG_LINUX_AIO + if (s->use_aio) { + return laio_submit(bs, s->aio_ctx, s->fd, 0, NULL, + 0, cb, opaque, QEMU_AIO_FLUSH); + } +#endif + return paio_submit(bs, s->fd, 0, NULL, 0, cb, opaque, QEMU_AIO_FLUSH); } diff --git a/linux-aio.c b/linux-aio.c index 68f4b3d..d07c435 100644 --- a/linux-aio.c +++ b/linux-aio.c @@ -215,6 +215,9 @@ BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd, case QEMU_AIO_READ: io_prep_preadv(iocbs, fd, qiov->iov, qiov->niov, offset); break; + case QEMU_AIO_FLUSH: + io_prep_fdsync(iocbs, fd); + break; default: fprintf(stderr, "%s: invalid AIO request type 0x%x.\n", __func__, type); -- 1.7.1