From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59986) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evmdY-0001q6-Pq for qemu-devel@nongnu.org; Tue, 13 Mar 2018 12:18:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1evmdW-0004st-CS for qemu-devel@nongnu.org; Tue, 13 Mar 2018 12:18:52 -0400 From: Kevin Wolf Date: Tue, 13 Mar 2018 17:17:59 +0100 Message-Id: <20180313161803.1814-38-kwolf@redhat.com> In-Reply-To: <20180313161803.1814-1-kwolf@redhat.com> References: <20180313161803.1814-1-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 37/41] vdi: Make comments consistent with other drivers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org This makes the .bdrv_co_create(_opts) implementation of vdi look more like the other recently converted block drivers. Signed-off-by: Kevin Wolf Reviewed-by: Max Reitz --- block/vdi.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/block/vdi.c b/block/vdi.c index 8132e3adfe..d939b034c4 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -742,7 +742,7 @@ static int coroutine_fn vdi_co_do_create(BlockdevCreateOptions *create_options, logout("\n"); - /* Read out options. */ + /* Validate options and set default values */ bytes = vdi_opts->size; if (vdi_opts->q_static) { image_type = VDI_TYPE_STATIC; @@ -772,6 +772,7 @@ static int coroutine_fn vdi_co_do_create(BlockdevCreateOptions *create_options, goto exit; } + /* Create BlockBackend to write to the image */ bs_file = bdrv_open_blockdev_ref(vdi_opts->file, errp); if (!bs_file) { ret = -EIO; @@ -877,7 +878,9 @@ static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts, Error *local_err = NULL; int ret; - /* Since CONFIG_VDI_BLOCK_SIZE is disabled by default, + /* Parse options and convert legacy syntax. + * + * Since CONFIG_VDI_BLOCK_SIZE is disabled by default, * cluster-size is not part of the QAPI schema; therefore we have * to parse it before creating the QAPI object. */ #if defined(CONFIG_VDI_BLOCK_SIZE) @@ -895,6 +898,7 @@ static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts, qdict = qemu_opts_to_qdict_filtered(opts, NULL, &vdi_create_opts, true); + /* Create and open the file (protocol layer) */ ret = bdrv_create_file(filename, opts, errp); if (ret < 0) { goto done; @@ -921,10 +925,12 @@ static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts, goto done; } + /* Silently round up size */ assert(create_options->driver == BLOCKDEV_DRIVER_VDI); create_options->u.vdi.size = ROUND_UP(create_options->u.vdi.size, BDRV_SECTOR_SIZE); + /* Create the vdi image (format layer) */ ret = vdi_co_do_create(create_options, block_size, errp); done: QDECREF(qdict); @@ -981,8 +987,8 @@ static BlockDriver bdrv_vdi = { .bdrv_close = vdi_close, .bdrv_reopen_prepare = vdi_reopen_prepare, .bdrv_child_perm = bdrv_format_default_perms, - .bdrv_co_create_opts = vdi_co_create_opts, .bdrv_co_create = vdi_co_create, + .bdrv_co_create_opts = vdi_co_create_opts, .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_co_block_status = vdi_co_block_status, .bdrv_make_empty = vdi_make_empty, -- 2.13.6