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authorKevin Wolf2016-06-09 16:36:00 +0200
committerKevin Wolf2016-06-16 15:19:55 +0200
commitf1e8474115d6be7eda14092050ffa2b031afb729 (patch)
tree7b400c277f4c9369c712b0c9ab82010bc8295e7c /include/block
parentdoc: Fix mailing list address in tests/qemu-iotests/README (diff)
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block: Introduce bdrv_preadv()
We already have a byte-based bdrv_pwritev(), but the read counterpart was still missing. This commit adds it. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/block')
-rw-r--r--include/block/block.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 9c3a62cc0a..9c63d07765 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -235,6 +235,7 @@ int bdrv_pwrite_zeroes(BlockDriverState *bs, int64_t offset,
int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags);
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf, int count);
+int bdrv_preadv(BlockDriverState *bs, int64_t offset, QEMUIOVector *qiov);
int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
const void *buf, int count);
int bdrv_pwritev(BlockDriverState *bs, int64_t offset, QEMUIOVector *qiov);