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Fri, 24 Feb 2017 17:47:04 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 1/3] block/nfs: convert to preadv / pwritev X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, jcody@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Peter Lieven Signed-off-by: Peter Lieven Reviewed-by: Jeff Cody Message-id: 1487349541-10201-2-git-send-email-pl@kamp.de Signed-off-by: Jeff Cody --- block/nfs.c | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) diff --git a/block/nfs.c b/block/nfs.c index 0cf115e..c11c4c9 100644 --- a/block/nfs.c +++ b/block/nfs.c @@ -263,9 +263,9 @@ nfs_co_generic_cb(int ret, struct nfs_context *nfs, voi= d *data, nfs_co_generic_bh_cb, task); } =20 -static int coroutine_fn nfs_co_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *iov) +static int coroutine_fn nfs_co_preadv(BlockDriverState *bs, uint64_t offse= t, + uint64_t bytes, QEMUIOVector *iov, + int flags) { NFSClient *client =3D bs->opaque; NFSRPC task; @@ -274,9 +274,7 @@ static int coroutine_fn nfs_co_readv(BlockDriverState *= bs, task.iov =3D iov; =20 if (nfs_pread_async(client->context, client->fh, - sector_num * BDRV_SECTOR_SIZE, - nb_sectors * BDRV_SECTOR_SIZE, - nfs_co_generic_cb, &task) !=3D 0) { + offset, bytes, nfs_co_generic_cb, &task) !=3D 0) { return -ENOMEM; } =20 @@ -297,9 +295,9 @@ static int coroutine_fn nfs_co_readv(BlockDriverState *= bs, return 0; } =20 -static int coroutine_fn nfs_co_writev(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *iov) +static int coroutine_fn nfs_co_pwritev(BlockDriverState *bs, uint64_t offs= et, + uint64_t bytes, QEMUIOVector *iov, + int flags) { NFSClient *client =3D bs->opaque; NFSRPC task; @@ -307,17 +305,16 @@ static int coroutine_fn nfs_co_writev(BlockDriverStat= e *bs, =20 nfs_co_init_task(bs, &task); =20 - buf =3D g_try_malloc(nb_sectors * BDRV_SECTOR_SIZE); - if (nb_sectors && buf =3D=3D NULL) { + buf =3D g_try_malloc(bytes); + if (bytes && buf =3D=3D NULL) { return -ENOMEM; } =20 - qemu_iovec_to_buf(iov, 0, buf, nb_sectors * BDRV_SECTOR_SIZE); + qemu_iovec_to_buf(iov, 0, buf, bytes); =20 if (nfs_pwrite_async(client->context, client->fh, - sector_num * BDRV_SECTOR_SIZE, - nb_sectors * BDRV_SECTOR_SIZE, - buf, nfs_co_generic_cb, &task) !=3D 0) { + offset, bytes, buf, + nfs_co_generic_cb, &task) !=3D 0) { g_free(buf); return -ENOMEM; } @@ -329,7 +326,7 @@ static int coroutine_fn nfs_co_writev(BlockDriverState = *bs, =20 g_free(buf); =20 - if (task.ret !=3D nb_sectors * BDRV_SECTOR_SIZE) { + if (task.ret !=3D bytes) { return task.ret < 0 ? task.ret : -EIO; } =20 @@ -861,8 +858,8 @@ static BlockDriver bdrv_nfs =3D { .bdrv_create =3D nfs_file_create, .bdrv_reopen_prepare =3D nfs_reopen_prepare, =20 - .bdrv_co_readv =3D nfs_co_readv, - .bdrv_co_writev =3D nfs_co_writev, + .bdrv_co_preadv =3D nfs_co_preadv, + .bdrv_co_pwritev =3D nfs_co_pwritev, .bdrv_co_flush_to_disk =3D nfs_co_flush, =20 .bdrv_detach_aio_context =3D nfs_detach_aio_context, --=20 2.9.3