diff options
| author | Eric Blake <eblake@redhat.com> | 2020-04-28 14:26:46 -0500 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2020-05-05 13:17:36 +0200 |
| commit | a3aeeab557f08285c4fcf537fca575b069eb67ef (patch) | |
| tree | c7baa354e4f6b9bd1d62f570c2da8cb84e6397c5 /include/sysemu | |
| parent | 52ea799e9631ff00c230f1fed50986246149d8f2 (diff) | |
block: Add blk_new_with_bs() helper
There are several callers that need to create a new block backend from
an existing BDS; make the task slightly easier with a common helper
routine.
Suggested-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200424190903.522087-2-eblake@redhat.com>
[mreitz: Set @ret only in error paths, see
https://lists.nongnu.org/archive/html/qemu-block/2020-04/msg01216.html]
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200428192648.749066-2-eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/sysemu')
| -rw-r--r-- | include/sysemu/block-backend.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 34de7faa81..0917663d89 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -77,6 +77,8 @@ typedef struct BlockBackendPublic { } BlockBackendPublic; BlockBackend *blk_new(AioContext *ctx, uint64_t perm, uint64_t shared_perm); +BlockBackend *blk_new_with_bs(BlockDriverState *bs, uint64_t perm, + uint64_t shared_perm, Error **errp); BlockBackend *blk_new_open(const char *filename, const char *reference, QDict *options, int flags, Error **errp); int blk_get_refcnt(BlockBackend *blk); |