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, 3 insertions, 3 deletions

diff --git a/block/bochs.c b/block/bochs.c
index 4d68658087..46d0f6a693 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -116,7 +116,7 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
         return -EINVAL;
     }
 
-    ret = bdrv_pread(bs->file, 0, &bochs, sizeof(bochs));
+    ret = bdrv_pread(bs->file, 0, &bochs, sizeof(bochs), 0);
     if (ret < 0) {
         return ret;
     }
@@ -151,7 +151,7 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
     }
 
     ret = bdrv_pread(bs->file, le32_to_cpu(bochs.header), s->catalog_bitmap,
-                     s->catalog_size * 4);
+                     s->catalog_size * 4, 0);
     if (ret < 0) {
         goto fail;
     }
@@ -225,7 +225,7 @@ static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num)
 
     /* read in bitmap for current extent */
     ret = bdrv_pread(bs->file, bitmap_offset + (extent_offset / 8),
-                     &bitmap_entry, 1);
+                     &bitmap_entry, 1, 0);
     if (ret < 0) {
         return ret;
     }