From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:46069) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qvib5-0004Yk-Bd for qemu-devel@nongnu.org; Tue, 23 Aug 2011 00:28:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qvib3-0007Uv-Kk for qemu-devel@nongnu.org; Tue, 23 Aug 2011 00:28:19 -0400 Received: from mail-yx0-f173.google.com ([209.85.213.173]:42417) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qvib3-0007Se-Hf for qemu-devel@nongnu.org; Tue, 23 Aug 2011 00:28:17 -0400 Received: by mail-yx0-f173.google.com with SMTP id 3so4715948yxt.4 for ; Mon, 22 Aug 2011 21:28:17 -0700 (PDT) From: Devin Nakamura Date: Tue, 23 Aug 2011 00:27:40 -0400 Message-Id: <1314073663-32691-5-git-send-email-devin122@gmail.com> In-Reply-To: <1314073663-32691-1-git-send-email-devin122@gmail.com> References: <1314073663-32691-1-git-send-email-devin122@gmail.com> Subject: [Qemu-devel] [PATCH V4 4/7] block: add bdrv_open_conversion_target() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, Devin Nakamura Signed-off-by: Devin Nakamura --- block.c | 26 ++++++++++++++++++++++++++ block.h | 5 +++++ 2 files changed, 31 insertions(+), 0 deletions(-) diff --git a/block.c b/block.c index a3ea039..5ca396b 100644 --- a/block.c +++ b/block.c @@ -3282,6 +3282,32 @@ out: return ret; } +int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file, + BlockConversionOptions *drv_options, + QEMUOptionParameter *usr_options, + const char *target_fmt, + bool force) +{ + BlockDriver *drv; + BlockDriverState *bss; + *bs = NULL; + + drv = bdrv_find_format(target_fmt); + if (!drv) { + return -ENOENT; + } + + if (!drv->bdrv_open_conversion_target) { + return -ENOTSUP; + } + + *bs = bdrv_new(""); + bss = *bs; + bss->file = file; + return bdrv_open_common(bss, file->filename, BDRV_O_CONVERSION, drv, + drv_options, usr_options, force); +} + int bdrv_get_conversion_options(BlockDriverState *bs, BlockConversionOptions *options) { diff --git a/block.h b/block.h index 90720d9..77e3135 100644 --- a/block.h +++ b/block.h @@ -259,6 +259,11 @@ typedef struct BlockConversionOptions BlockConversionOptions; int bdrv_get_conversion_options(BlockDriverState *bs, BlockConversionOptions *options); +int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file, + BlockConversionOptions *drv_options, + QEMUOptionParameter *usr_options, + const char *target_fmt, + bool force); typedef enum { BLKDBG_L1_UPDATE, -- 1.7.6.rc1