diff options
| author | Peter Lieven <pl@kamp.de> | 2017-02-17 17:39:00 +0100 |
|---|---|---|
| committer | Jeff Cody <jcody@redhat.com> | 2017-02-24 12:38:35 -0500 |
| commit | 69785a229d5d46961cc7579027d7350018de1ca8 (patch) | |
| tree | 92ac9aecffe552c96a4dd82f153dd171de0588aa /block/nfs.c | |
| parent | fe8ee082db5038a05dbd8872e946049e9a9c550e (diff) | |
| download | qemu-69785a229d5d46961cc7579027d7350018de1ca8.tar.gz | |
block/nfs: convert to preadv / pwritev
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1487349541-10201-2-git-send-email-pl@kamp.de
Signed-off-by: Jeff Cody <jcody@redhat.com>
Diffstat (limited to 'block/nfs.c')
| -rw-r--r-- | block/nfs.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/block/nfs.c b/block/nfs.c index 0cf115e7d6..c11c4c96b5 100644 --- a/block/nfs.c +++ b/block/nfs.c @@ -263,9 +263,9 @@ nfs_co_generic_cb(int ret, struct nfs_context *nfs, void *data, nfs_co_generic_bh_cb, task); } -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 offset, + uint64_t bytes, QEMUIOVector *iov, + int flags) { NFSClient *client = bs->opaque; NFSRPC task; @@ -274,9 +274,7 @@ static int coroutine_fn nfs_co_readv(BlockDriverState *bs, task.iov = iov; if (nfs_pread_async(client->context, client->fh, - sector_num * BDRV_SECTOR_SIZE, - nb_sectors * BDRV_SECTOR_SIZE, - nfs_co_generic_cb, &task) != 0) { + offset, bytes, nfs_co_generic_cb, &task) != 0) { return -ENOMEM; } @@ -297,9 +295,9 @@ static int coroutine_fn nfs_co_readv(BlockDriverState *bs, return 0; } -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 offset, + uint64_t bytes, QEMUIOVector *iov, + int flags) { NFSClient *client = bs->opaque; NFSRPC task; @@ -307,17 +305,16 @@ static int coroutine_fn nfs_co_writev(BlockDriverState *bs, nfs_co_init_task(bs, &task); - buf = g_try_malloc(nb_sectors * BDRV_SECTOR_SIZE); - if (nb_sectors && buf == NULL) { + buf = g_try_malloc(bytes); + if (bytes && buf == NULL) { return -ENOMEM; } - qemu_iovec_to_buf(iov, 0, buf, nb_sectors * BDRV_SECTOR_SIZE); + qemu_iovec_to_buf(iov, 0, buf, bytes); if (nfs_pwrite_async(client->context, client->fh, - sector_num * BDRV_SECTOR_SIZE, - nb_sectors * BDRV_SECTOR_SIZE, - buf, nfs_co_generic_cb, &task) != 0) { + offset, bytes, buf, + nfs_co_generic_cb, &task) != 0) { g_free(buf); return -ENOMEM; } @@ -329,7 +326,7 @@ static int coroutine_fn nfs_co_writev(BlockDriverState *bs, g_free(buf); - if (task.ret != nb_sectors * BDRV_SECTOR_SIZE) { + if (task.ret != bytes) { return task.ret < 0 ? task.ret : -EIO; } @@ -861,8 +858,8 @@ static BlockDriver bdrv_nfs = { .bdrv_create = nfs_file_create, .bdrv_reopen_prepare = nfs_reopen_prepare, - .bdrv_co_readv = nfs_co_readv, - .bdrv_co_writev = nfs_co_writev, + .bdrv_co_preadv = nfs_co_preadv, + .bdrv_co_pwritev = nfs_co_pwritev, .bdrv_co_flush_to_disk = nfs_co_flush, .bdrv_detach_aio_context = nfs_detach_aio_context, |