From 1acc3466a2fbbeb988b91f2ac05bb9cde1fc8e9d Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Tue, 4 Jun 2019 19:15:11 +0300 Subject: block/io: introduce bdrv_co_p{read, write}v_part Introduce extended variants of bdrv_co_preadv and bdrv_co_pwritev with qiov_offset parameter. Signed-off-by: Vladimir Sementsov-Ogievskiy Acked-by: Stefan Hajnoczi Message-id: 20190604161514.262241-10-vsementsov@virtuozzo.com Message-Id: <20190604161514.262241-10-vsementsov@virtuozzo.com> Signed-off-by: Stefan Hajnoczi --- include/block/block_int.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include') diff --git a/include/block/block_int.h b/include/block/block_int.h index 79a1fdb258..0422acdf1c 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -959,9 +959,15 @@ extern BlockDriver bdrv_qcow2; int coroutine_fn bdrv_co_preadv(BdrvChild *child, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); +int coroutine_fn bdrv_co_preadv_part(BdrvChild *child, + int64_t offset, unsigned int bytes, + QEMUIOVector *qiov, size_t qiov_offset, BdrvRequestFlags flags); int coroutine_fn bdrv_co_pwritev(BdrvChild *child, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); +int coroutine_fn bdrv_co_pwritev_part(BdrvChild *child, + int64_t offset, unsigned int bytes, + QEMUIOVector *qiov, size_t qiov_offset, BdrvRequestFlags flags); static inline int coroutine_fn bdrv_co_pread(BdrvChild *child, int64_t offset, unsigned int bytes, void *buf, BdrvRequestFlags flags) -- cgit v1.2.3-55-g7522