It's just byte-based wrappers over bdrv_co_aio_prw_vector(), which provide
a byte-based interface for AIO read/write.
Signed-off-by: Pavel Butsykin <pbutsy...@virtuozzo.com>
---
block/io.c | 16 ++++++++++++++++
include/block/block.h | 7 +++++++
2 files changed, 23 insertions(+)
diff --git a/block/io.c b/block/io.c
index fdf7080..099bddb 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1991,6 +1991,22 @@ int bdrv_readv_vmstate(BlockDriverState *bs,
QEMUIOVector *qiov, int64_t pos)
/**************************************************************/
/* async I/Os */
+BlockAIOCB *bdrv_aio_preadv(BdrvChild *child, int64_t offset,
+ QEMUIOVector *qiov, unsigned int bytes,
+ BlockCompletionFunc *cb, void *opaque)
+{
+ assert(bytes == qiov->size);
+ return bdrv_co_aio_prw_vector(child, offset, qiov, 0, cb, opaque, false);
+}
+
+BlockAIOCB *bdrv_aio_pwritev(BdrvChild *child, int64_t offset,
+ QEMUIOVector *qiov, unsigned int bytes,
+ BlockCompletionFunc *cb, void *opaque)
+{
+ assert(bytes == qiov->size);
+ return bdrv_co_aio_prw_vector(child, offset, qiov, 0, cb, opaque, true);
+}
+
BlockAIOCB *bdrv_aio_readv(BdrvChild *child, int64_t sector_num,
QEMUIOVector *qiov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque)
diff --git a/include/block/block.h b/include/block/block.h
index e18233a..6728219 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -305,6 +305,13 @@ BlockDriverState *check_to_replace_node(BlockDriverState
*parent_bs,
const char *node_name, Error **errp);
/* async block I/O */
+
+BlockAIOCB *bdrv_aio_preadv(BdrvChild *child, int64_t offset,
+ QEMUIOVector *qiov, unsigned int bytes,
+ BlockCompletionFunc *cb, void *opaque);
+BlockAIOCB *bdrv_aio_pwritev(BdrvChild *child, int64_t offset,
+ QEMUIOVector *qiov, unsigned int bytes,
+ BlockCompletionFunc *cb, void *opaque);
BlockAIOCB *bdrv_aio_readv(BdrvChild *child, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque);
--
2.10.1
