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block: Split bdrv_new_root() off bdrv_new()

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Creating an anonymous BDS can't fail.  Make that obvious.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:03 +02:00 • committed by Kevin Wolf
parent ec0de76874
commit e4e9986b1c
9 changed files with 30 additions and 19 deletions
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3
include/block/block.h
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@ -204,7 +204,8 @@ BlockDriver *bdrv_find_whitelisted_format(const char *format_name,
int bdrv_create(BlockDriver *drv, const char* filename,
QemuOpts *opts, Error **errp);
int bdrv_create_file(const char *filename, QemuOpts *opts, Error **errp);
BlockDriverState *bdrv_new(const char *device_name, Error **errp);
BlockDriverState *bdrv_new_root(const char *device_name, Error **errp);
BlockDriverState *bdrv_new(void);
void bdrv_make_anon(BlockDriverState *bs);
void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old);
void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top);