diff options
| author | Max Reitz <mreitz@redhat.com> | 2015-10-26 21:39:07 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2015-11-11 16:22:46 +0100 |
| commit | 38cb18f5b71428fb8a3e3759ac8fa21ac70cb1b5 (patch) | |
| tree | 015d4c3447befe908c51ba2d5794e3c0ecb269aa /include/sysemu | |
| parent | c69a4dd89989b483b06d765b13e41594c78d32b9 (diff) | |
block: Add functions for inheriting a BBRS
In order to open a BDS which inherits a BB's root state,
blk_get_open_flags_from_root_state() is used to inquire the flags to be
passed to bdrv_open(), and blk_apply_root_state() is used to apply the
remaining state after the BDS has been opened.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@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 14a6d32bb2..40e315b5bb 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -167,6 +167,8 @@ void blk_io_unplug(BlockBackend *blk); BlockAcctStats *blk_get_stats(BlockBackend *blk); BlockBackendRootState *blk_get_root_state(BlockBackend *blk); void blk_update_root_state(BlockBackend *blk); +void blk_apply_root_state(BlockBackend *blk, BlockDriverState *bs); +int blk_get_open_flags_from_root_state(BlockBackend *blk); void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, BlockCompletionFunc *cb, void *opaque); |