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, 9 insertions, 10 deletions

diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index ff0d4e0..da00570 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -84,7 +84,7 @@ static int vhdx_log_peek_hdr(BlockDriverState *bs, VHDXLogEntries *log,
 
     offset = log->offset + read;
 
-    ret = bdrv_pread(bs->file, offset, hdr, sizeof(VHDXLogEntryHeader));
+    ret = bdrv_pread(bs->file, offset, hdr, sizeof(VHDXLogEntryHeader), 0);
     if (ret < 0) {
         goto exit;
     }
@@ -144,7 +144,7 @@ static int vhdx_log_read_sectors(BlockDriverState *bs, VHDXLogEntries *log,
         }
         offset = log->offset + read;
 
-        ret = bdrv_pread(bs->file, offset, buffer, VHDX_LOG_SECTOR_SIZE);
+        ret = bdrv_pread(bs->file, offset, buffer, VHDX_LOG_SECTOR_SIZE, 0);
         if (ret < 0) {
             goto exit;
         }
@@ -194,8 +194,8 @@ static int vhdx_log_write_sectors(BlockDriverState *bs, VHDXLogEntries *log,
             /* full */
             break;
         }
-        ret = bdrv_pwrite(bs->file, offset, buffer_tmp,
-                          VHDX_LOG_SECTOR_SIZE);
+        ret = bdrv_pwrite(bs->file, offset, buffer_tmp, VHDX_LOG_SECTOR_SIZE,
+                          0);
         if (ret < 0) {
             goto exit;
         }
@@ -467,7 +467,7 @@ static int vhdx_log_flush_desc(BlockDriverState *bs, VHDXLogDescriptor *desc,
     /* count is only > 1 if we are writing zeroes */
     for (i = 0; i < count; i++) {
         ret = bdrv_pwrite_sync(bs->file, file_offset, buffer,
-                               VHDX_LOG_SECTOR_SIZE);
+                               VHDX_LOG_SECTOR_SIZE, 0);
         if (ret < 0) {
             goto exit;
         }
@@ -971,7 +971,7 @@ static int vhdx_log_write(BlockDriverState *bs, BDRVVHDXState *s,
         if (i == 0 && leading_length) {
             /* partial sector at the front of the buffer */
             ret = bdrv_pread(bs->file, file_offset, merged_sector,
-                             VHDX_LOG_SECTOR_SIZE);
+                             VHDX_LOG_SECTOR_SIZE, 0);
             if (ret < 0) {
                 goto exit;
             }
@@ -980,10 +980,9 @@ static int vhdx_log_write(BlockDriverState *bs, BDRVVHDXState *s,
             sector_write = merged_sector;
         } else if (i == sectors - 1 && trailing_length) {
             /* partial sector at the end of the buffer */
-            ret = bdrv_pread(bs->file,
-                            file_offset,
-                            merged_sector + trailing_length,
-                            VHDX_LOG_SECTOR_SIZE - trailing_length);
+            ret = bdrv_pread(bs->file, file_offset,
+                             merged_sector + trailing_length,
+                             VHDX_LOG_SECTOR_SIZE - trailing_length, 0);
             if (ret < 0) {
                 goto exit;
             }