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authorAlberto Faria <afaria@redhat.com>2022-07-05 17:15:17 +0100
committerHanna Reitz <hreitz@redhat.com>2022-07-12 12:14:56 +0200
commit09cca043bf68719f93f0ce1f1efafbec4ca72229 (patch)
treea267bc55f43ec22064940878a3c2d3e7a7235f92
parentd1d3fc3d1d3bf4749400df18462f8fef4c4ca1fb (diff)
block: Export blk_pwritev_part() in block-backend-io.h
Also convert it into a generated_co_wrapper. Signed-off-by: Alberto Faria <afaria@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Message-Id: <20220705161527.1054072-10-afaria@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
-rw-r--r--block/block-backend.c14
-rw-r--r--block/coroutines.h5
-rw-r--r--include/sysemu/block-backend-io.h4
-rw-r--r--tests/unit/test-block-iothread.c19
4 files changed, 23 insertions, 19 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index 49db3f63fb..c75942b773 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1403,20 +1403,6 @@ int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
return blk_co_pwritev_part(blk, offset, bytes, qiov, 0, flags);
}
-static int coroutine_fn blk_pwritev_part(BlockBackend *blk, int64_t offset,
- int64_t bytes,
- QEMUIOVector *qiov, size_t qiov_offset,
- BdrvRequestFlags flags)
-{
- int ret;
-
- blk_inc_in_flight(blk);
- ret = blk_do_pwritev_part(blk, offset, bytes, qiov, qiov_offset, flags);
- blk_dec_in_flight(blk);
-
- return ret;
-}
-
typedef struct BlkRwCo {
BlockBackend *blk;
int64_t offset;
diff --git a/block/coroutines.h b/block/coroutines.h
index 85423f8db6..94fd283f62 100644
--- a/block/coroutines.h
+++ b/block/coroutines.h
@@ -108,11 +108,6 @@ int generated_co_wrapper
nbd_do_establish_connection(BlockDriverState *bs, bool blocking, Error **errp);
int generated_co_wrapper
-blk_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes,
- QEMUIOVector *qiov, size_t qiov_offset,
- BdrvRequestFlags flags);
-
-int generated_co_wrapper
blk_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
int generated_co_wrapper
diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h
index 877274a999..93a15071c4 100644
--- a/include/sysemu/block-backend-io.h
+++ b/include/sysemu/block-backend-io.h
@@ -120,6 +120,10 @@ int generated_co_wrapper blk_preadv(BlockBackend *blk, int64_t offset,
int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
int64_t bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags);
+int generated_co_wrapper blk_pwritev_part(BlockBackend *blk, int64_t offset,
+ int64_t bytes, QEMUIOVector *qiov,
+ size_t qiov_offset,
+ BdrvRequestFlags flags);
int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
int64_t bytes,
QEMUIOVector *qiov, size_t qiov_offset,
diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
index 2fa1248445..274e9e3653 100644
--- a/tests/unit/test-block-iothread.c
+++ b/tests/unit/test-block-iothread.c
@@ -183,6 +183,21 @@ static void test_sync_op_blk_preadv_part(BlockBackend *blk)
g_assert_cmpint(ret, ==, -EIO);
}
+static void test_sync_op_blk_pwritev_part(BlockBackend *blk)
+{
+ uint8_t buf[512] = { 0 };
+ QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, sizeof(buf));
+ int ret;
+
+ /* Success */
+ ret = blk_pwritev_part(blk, 0, sizeof(buf), &qiov, 0, 0);
+ g_assert_cmpint(ret, ==, 0);
+
+ /* Early error: Negative offset */
+ ret = blk_pwritev_part(blk, -2, sizeof(buf), &qiov, 0, 0);
+ g_assert_cmpint(ret, ==, -EIO);
+}
+
static void test_sync_op_load_vmstate(BdrvChild *c)
{
uint8_t buf[512];
@@ -359,6 +374,10 @@ const SyncOpTest sync_op_tests[] = {
.fn = NULL,
.blkfn = test_sync_op_blk_preadv_part,
}, {
+ .name = "/sync-op/pwritev_part",
+ .fn = NULL,
+ .blkfn = test_sync_op_blk_pwritev_part,
+ }, {
.name = "/sync-op/load_vmstate",
.fn = test_sync_op_load_vmstate,
}, {