block: Add a 'flags' param to bdrv_{pread,pwrite,pwrite_sync}()

For consistency with other I/O functions, and in preparation to
implement them using generated_co_wrapper.

Callers were updated using this Coccinelle script:

    @@ expression child, offset, buf, bytes; @@
    - bdrv_pread(child, offset, buf, bytes)
    + bdrv_pread(child, offset, buf, bytes, 0)

    @@ expression child, offset, buf, bytes; @@
    - bdrv_pwrite(child, offset, buf, bytes)
    + bdrv_pwrite(child, offset, buf, bytes, 0)

    @@ expression child, offset, buf, bytes; @@
    - bdrv_pwrite_sync(child, offset, buf, bytes)
    + bdrv_pwrite_sync(child, offset, buf, bytes, 0)

Resulting overly-long lines were then fixed by hand.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20220609152744.3891847-2-afaria@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
index 94718c9..4db1ad5 100644
--- a/tests/unit/test-block-iothread.c
+++ b/tests/unit/test-block-iothread.c
@@ -88,11 +88,11 @@ static void test_sync_op_pread(BdrvChild *c)
     int ret;
 
     /* Success */
-    ret = bdrv_pread(c, 0, buf, sizeof(buf));
+    ret = bdrv_pread(c, 0, buf, sizeof(buf), 0);
     g_assert_cmpint(ret, ==, 512);
 
     /* Early error: Negative offset */
-    ret = bdrv_pread(c, -2, buf, sizeof(buf));
+    ret = bdrv_pread(c, -2, buf, sizeof(buf), 0);
     g_assert_cmpint(ret, ==, -EIO);
 }
 
@@ -102,11 +102,11 @@ static void test_sync_op_pwrite(BdrvChild *c)
     int ret;
 
     /* Success */
-    ret = bdrv_pwrite(c, 0, buf, sizeof(buf));
+    ret = bdrv_pwrite(c, 0, buf, sizeof(buf), 0);
     g_assert_cmpint(ret, ==, 512);
 
     /* Early error: Negative offset */
-    ret = bdrv_pwrite(c, -2, buf, sizeof(buf));
+    ret = bdrv_pwrite(c, -2, buf, sizeof(buf), 0);
     g_assert_cmpint(ret, ==, -EIO);
 }