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| author | Vladimir Sementsov-Ogievskiy | 2019-06-04 18:15:11 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2019-08-27 15:58:42 +0200 |
| commit | 1acc3466a2fbbeb988b91f2ac05bb9cde1fc8e9d (patch) | |
| tree | 63a0dfba6d70bf5bcefa518760315d9546e74f9c /include/block | |
| parent | block/io: bdrv_aligned_pwritev: use and support qiov_offset (diff) | |
| download | qemu-1acc3466a2fbbeb988b91f2ac05bb9cde1fc8e9d.tar.gz qemu-1acc3466a2fbbeb988b91f2ac05bb9cde1fc8e9d.tar.xz qemu-1acc3466a2fbbeb988b91f2ac05bb9cde1fc8e9d.zip | |
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 <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-10-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-10-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block_int.h | 6 |
1 files changed, 6 insertions, 0 deletions
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) |