diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-07-09 19:37:17 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-07-10 13:04:25 +0200 |
| commit | 67b51fb998c697afb5d744066fcbde53e04fe941 (patch) | |
| tree | 96a80cba86332f47def26bdc5cb88f4cd87ca5d6 /include | |
| parent | 999658a05e61a8d87b65827da665302bb44ce8c9 (diff) | |
block: split flags in copy_range
Pass read flags and write flags separately. This is needed to handle
coming BDRV_REQ_NO_SERIALISING clearly in following patches.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block.h | 3 | ||||
| -rw-r--r-- | include/block/block_int.h | 14 | ||||
| -rw-r--r-- | include/sysemu/block-backend.h | 3 |
3 files changed, 14 insertions, 6 deletions
diff --git a/include/block/block.h b/include/block/block.h index f7ddff45b6..e474f2541b 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -699,5 +699,6 @@ void bdrv_unregister_buf(BlockDriverState *bs, void *host); **/ int coroutine_fn bdrv_co_copy_range(BdrvChild *src, uint64_t src_offset, BdrvChild *dst, uint64_t dst_offset, - uint64_t bytes, BdrvRequestFlags flags); + uint64_t bytes, BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); #endif diff --git a/include/block/block_int.h b/include/block/block_int.h index 81cd3db7a9..920d3d122b 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -218,7 +218,8 @@ struct BlockDriver { BdrvChild *dst, uint64_t dst_offset, uint64_t bytes, - BdrvRequestFlags flags); + BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); /* Map [offset, offset + nbytes) range onto a child of bs to copy data to, * and invoke bdrv_co_copy_range_to(child, src, ...), or perform the copy @@ -234,7 +235,8 @@ struct BlockDriver { BdrvChild *dst, uint64_t dst_offset, uint64_t bytes, - BdrvRequestFlags flags); + BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); /* * Building block for bdrv_block_status[_above] and @@ -1156,10 +1158,14 @@ void blockdev_close_all_bdrv_states(void); int coroutine_fn bdrv_co_copy_range_from(BdrvChild *src, uint64_t src_offset, BdrvChild *dst, uint64_t dst_offset, - uint64_t bytes, BdrvRequestFlags flags); + uint64_t bytes, + BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); int coroutine_fn bdrv_co_copy_range_to(BdrvChild *src, uint64_t src_offset, BdrvChild *dst, uint64_t dst_offset, - uint64_t bytes, BdrvRequestFlags flags); + uint64_t bytes, + BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); int refresh_total_sectors(BlockDriverState *bs, int64_t hint); diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 8d03d493c2..830d873f24 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -234,6 +234,7 @@ void blk_unregister_buf(BlockBackend *blk, void *host); int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in, BlockBackend *blk_out, int64_t off_out, - int bytes, BdrvRequestFlags flags); + int bytes, BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); #endif |