diff options
Diffstat (limited to 'include/block/block_int.h')
| -rw-r--r-- | include/block/block_int.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index ba6e9ac..10d8759 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -155,6 +155,11 @@ struct BlockDriver { int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); int coroutine_fn (*bdrv_co_writev)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); + int coroutine_fn (*bdrv_co_writev_flags)(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, QEMUIOVector *qiov, int flags); + + int supported_write_flags; + /* * Efficiently zero a region of the disk image. Typically an image format * would use a compact metadata representation to implement this. This @@ -176,6 +181,13 @@ struct BlockDriver { int (*bdrv_inactivate)(BlockDriverState *bs); /* + * Flushes all data for all layers by calling bdrv_co_flush for underlying + * layers, if needed. This function is needed for deterministic + * synchronization of the flush finishing callback. + */ + int coroutine_fn (*bdrv_co_flush)(BlockDriverState *bs); + + /* * Flushes all data that was already written to the OS all the way down to * the disk (for example raw-posix calls fsync()). */ @@ -435,9 +447,6 @@ struct BlockDriverState { /* Alignment requirement for offset/length of I/O requests */ unsigned int request_alignment; - /* do we need to tell the quest if we have a volatile write cache? */ - int enable_write_cache; - /* the following member gives a name to every node on the bs graph. */ char node_name[32]; /* element of the list of named nodes building the graph */ @@ -704,8 +713,6 @@ BdrvChild *bdrv_root_attach_child(BlockDriverState *child_bs, const BdrvChildRole *child_role); void bdrv_root_unref_child(BdrvChild *child); -void blk_set_bs(BlockBackend *blk, BlockDriverState *bs); - void blk_dev_change_media_cb(BlockBackend *blk, bool load); bool blk_dev_has_removable_media(BlockBackend *blk); bool blk_dev_has_tray(BlockBackend *blk); |