This is an interface to bdrv_open_string_opts(). Signed-off-by: Max Reitz <mre...@redhat.com> --- include/sysemu/block-backend.h | 2 ++ block/block-backend.c | 30 +++++++++++++++++++++++++++++- 2 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 92ab624fac..1ad002fa7e 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -79,6 +79,8 @@ typedef struct BlockBackendPublic { BlockBackend *blk_new(uint64_t perm, uint64_t shared_perm); BlockBackend *blk_new_open(const char *filename, const char *reference, QDict *options, int flags, Error **errp); +BlockBackend *blk_new_open_string_opts(const char *filename, QDict *options, + int flags, Error **errp); int blk_get_refcnt(BlockBackend *blk); void blk_ref(BlockBackend *blk); void blk_unref(BlockBackend *blk); diff --git a/block/block-backend.c b/block/block-backend.c index 89f47b00ea..fd3024602a 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -105,6 +105,11 @@ static const AIOCBInfo block_backend_aiocb_info = { static void drive_info_del(DriveInfo *dinfo); static BlockBackend *bdrv_first_blk(BlockDriverState *bs); +static BlockBackend *blk_do_new_open(const char *filename, + const char *reference, QDict *options, + int flags, bool string_opts, + Error **errp); + /* All BlockBackends */ static QTAILQ_HEAD(, BlockBackend) block_backends = QTAILQ_HEAD_INITIALIZER(block_backends); @@ -348,6 +353,24 @@ BlockBackend *blk_new(uint64_t perm, uint64_t shared_perm) */ BlockBackend *blk_new_open(const char *filename, const char *reference, QDict *options, int flags, Error **errp) +{ + return blk_do_new_open(filename, reference, options, flags, false, errp); +} + +/* + * Like blk_new_open(), but accepts an @options QDict where some (or + * all) values are strings instead of their correct type. + */ +BlockBackend *blk_new_open_string_opts(const char *filename, QDict *options, + int flags, Error **errp) +{ + return blk_do_new_open(filename, NULL, options, flags, true, errp); +} + +static BlockBackend *blk_do_new_open(const char *filename, + const char *reference, QDict *options, + int flags, bool string_opts, + Error **errp) { BlockBackend *blk; BlockDriverState *bs; @@ -372,7 +395,12 @@ BlockBackend *blk_new_open(const char *filename, const char *reference, } blk = blk_new(perm, BLK_PERM_ALL); - bs = bdrv_open(filename, reference, options, flags, errp); + if (string_opts) { + assert(!reference); + bs = bdrv_open_string_opts(filename, options, flags, errp); + } else { + bs = bdrv_open(filename, reference, options, flags, errp); + } if (!bs) { blk_unref(blk); return NULL; -- 2.14.3