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authorVladimir Sementsov-Ogievskiy2019-06-04 18:15:11 +0200
committerStefan Hajnoczi2019-08-27 15:58:42 +0200
commit1acc3466a2fbbeb988b91f2ac05bb9cde1fc8e9d (patch)
tree63a0dfba6d70bf5bcefa518760315d9546e74f9c /include
parentblock/io: bdrv_aligned_pwritev: use and support qiov_offset (diff)
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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')
-rw-r--r--include/block/block_int.h6
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)