block: Change bdrv_{pread,pwrite,pwrite_sync}() param order

Swap 'buf' and 'bytes' around for consistency with
bdrv_co_{pread,pwrite}(), and in preparation to implement these
functions using generated_co_wrapper.

Callers were updated using this Coccinelle script:

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

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

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

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: <20220609152744.3891847-3-afaria@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/block/cloop.c b/block/cloop.c
index 208a58e..9a23344 100644
--- a/block/cloop.c
+++ b/block/cloop.c
@@ -78,7 +78,7 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags,
     }
 
     /* read header */
-    ret = bdrv_pread(bs->file, 128, &s->block_size, 4, 0);
+    ret = bdrv_pread(bs->file, 128, 4, &s->block_size, 0);
     if (ret < 0) {
         return ret;
     }
@@ -104,7 +104,7 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags,
         return -EINVAL;
     }
 
-    ret = bdrv_pread(bs->file, 128 + 4, &s->n_blocks, 4, 0);
+    ret = bdrv_pread(bs->file, 128 + 4, 4, &s->n_blocks, 0);
     if (ret < 0) {
         return ret;
     }
@@ -135,7 +135,7 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags,
         return -ENOMEM;
     }
 
-    ret = bdrv_pread(bs->file, 128 + 4 + 4, s->offsets, offsets_size, 0);
+    ret = bdrv_pread(bs->file, 128 + 4 + 4, offsets_size, s->offsets, 0);
     if (ret < 0) {
         goto fail;
     }
@@ -220,8 +220,8 @@ static inline int cloop_read_block(BlockDriverState *bs, int block_num)
         int ret;
         uint32_t bytes = s->offsets[block_num + 1] - s->offsets[block_num];
 
-        ret = bdrv_pread(bs->file, s->offsets[block_num], s->compressed_block,
-                         bytes, 0);
+        ret = bdrv_pread(bs->file, s->offsets[block_num], bytes,
+                         s->compressed_block, 0);
         if (ret != bytes) {
             return -1;
         }