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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-10-11 12:07:09 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2019-10-28 11:22:30 +0100 |
| commit | b30168647fea0fc173a0e244d2943fc5575ca511 (patch) | |
| tree | d4aecbc6291ddcd6575e99f625326e8ac07590c0 /include | |
| parent | 5c511ac375a859dd12a4c82b56549791570442d3 (diff) | |
| download | qemu-b30168647fea0fc173a0e244d2943fc5575ca511.zip qemu-b30168647fea0fc173a0e244d2943fc5575ca511.tar.gz qemu-b30168647fea0fc173a0e244d2943fc5575ca511.tar.bz2 | |
block/block-backend: add blk_co_pwritev_part
Add blk write function with qiov_offset parameter. It's needed for the
following commit.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191011090711.19940-4-vsementsov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sysemu/block-backend.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 368d53a..73f2cef 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -121,6 +121,10 @@ void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops, void *opaque); int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); +int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset, + unsigned int bytes, + QEMUIOVector *qiov, size_t qiov_offset, + BdrvRequestFlags flags); int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); |