aboutsummaryrefslogtreecommitdiff
path: root/block/block-backend.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/block-backend.c')
-rw-r--r--block/block-backend.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index d0450ffd22..f3d6525923 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1314,6 +1314,17 @@ blk_co_do_preadv_part(BlockBackend *blk, int64_t offset, int64_t bytes,
return ret;
}
+int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset, int64_t bytes,
+ void *buf, BdrvRequestFlags flags)
+{
+ QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
+ IO_OR_GS_CODE();
+
+ assert(bytes <= SIZE_MAX);
+
+ return blk_co_preadv(blk, offset, bytes, &qiov, flags);
+}
+
int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
@@ -1395,6 +1406,17 @@ int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
return ret;
}
+int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset, int64_t bytes,
+ const void *buf, BdrvRequestFlags flags)
+{
+ QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
+ IO_OR_GS_CODE();
+
+ assert(bytes <= SIZE_MAX);
+
+ return blk_co_pwritev(blk, offset, bytes, &qiov, flags);
+}
+
int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)