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, 12 insertions, 12 deletions

diff --git a/block/dmg.c b/block/dmg.c
index c626587f9c..ddd1d23005 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -77,7 +77,7 @@ static int read_uint64(BlockDriverState *bs, int64_t offset, uint64_t *result)
     uint64_t buffer;
     int ret;
 
-    ret = bdrv_pread(bs->file, offset, &buffer, 8);
+    ret = bdrv_pread(bs->file, offset, &buffer, 8, 0);
     if (ret < 0) {
         return ret;
     }
@@ -91,7 +91,7 @@ static int read_uint32(BlockDriverState *bs, int64_t offset, uint32_t *result)
     uint32_t buffer;
     int ret;
 
-    ret = bdrv_pread(bs->file, offset, &buffer, 4);
+    ret = bdrv_pread(bs->file, offset, &buffer, 4, 0);
     if (ret < 0) {
         return ret;
     }
@@ -172,7 +172,7 @@ static int64_t dmg_find_koly_offset(BdrvChild *file, Error **errp)
         offset = length - 511 - 512;
     }
     length = length < 515 ? length : 515;
-    ret = bdrv_pread(file, offset, buffer, length);
+    ret = bdrv_pread(file, offset, buffer, length, 0);
     if (ret < 0) {
         error_setg_errno(errp, -ret, "Failed while reading UDIF trailer");
         return ret;
@@ -352,7 +352,7 @@ static int dmg_read_resource_fork(BlockDriverState *bs, DmgHeaderState *ds,
         offset += 4;
 
         buffer = g_realloc(buffer, count);
-        ret = bdrv_pread(bs->file, offset, buffer, count);
+        ret = bdrv_pread(bs->file, offset, buffer, count, 0);
         if (ret < 0) {
             goto fail;
         }
@@ -389,7 +389,7 @@ static int dmg_read_plist_xml(BlockDriverState *bs, DmgHeaderState *ds,
 
     buffer = g_malloc(info_length + 1);
     buffer[info_length] = '\0';
-    ret = bdrv_pread(bs->file, info_begin, buffer, info_length);
+    ret = bdrv_pread(bs->file, info_begin, buffer, info_length, 0);
     if (ret != info_length) {
         ret = -EINVAL;
         goto fail;
@@ -609,8 +609,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
         case UDZO: { /* zlib compressed */
             /* we need to buffer, because only the chunk as whole can be
              * inflated. */
-            ret = bdrv_pread(bs->file, s->offsets[chunk],
-                             s->compressed_chunk, s->lengths[chunk]);
+            ret = bdrv_pread(bs->file, s->offsets[chunk], s->compressed_chunk,
+                             s->lengths[chunk], 0);
             if (ret != s->lengths[chunk]) {
                 return -1;
             }
@@ -635,8 +635,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
             }
             /* we need to buffer, because only the chunk as whole can be
              * inflated. */
-            ret = bdrv_pread(bs->file, s->offsets[chunk],
-                             s->compressed_chunk, s->lengths[chunk]);
+            ret = bdrv_pread(bs->file, s->offsets[chunk], s->compressed_chunk,
+                             s->lengths[chunk], 0);
             if (ret != s->lengths[chunk]) {
                 return -1;
             }
@@ -656,8 +656,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
             }
             /* we need to buffer, because only the chunk as whole can be
              * inflated. */
-            ret = bdrv_pread(bs->file, s->offsets[chunk],
-                             s->compressed_chunk, s->lengths[chunk]);
+            ret = bdrv_pread(bs->file, s->offsets[chunk], s->compressed_chunk,
+                             s->lengths[chunk], 0);
             if (ret != s->lengths[chunk]) {
                 return -1;
             }
@@ -673,7 +673,7 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
             break;
         case UDRW: /* copy */
             ret = bdrv_pread(bs->file, s->offsets[chunk],
-                             s->uncompressed_chunk, s->lengths[chunk]);
+                             s->uncompressed_chunk, s->lengths[chunk], 0);
             if (ret != s->lengths[chunk]) {
                 return -1;
             }