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, 2 insertions, 2 deletions

diff --git a/block/crypto.c b/block/crypto.c
index 1ba82984ef..d0c22e9549 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -65,7 +65,7 @@ static ssize_t block_crypto_read_func(QCryptoBlock *block,
     BlockDriverState *bs = opaque;
     ssize_t ret;
 
-    ret = bdrv_pread(bs->file, offset, buf, buflen);
+    ret = bdrv_pread(bs->file, offset, buf, buflen, 0);
     if (ret < 0) {
         error_setg_errno(errp, -ret, "Could not read encryption header");
         return ret;
@@ -83,7 +83,7 @@ static ssize_t block_crypto_write_func(QCryptoBlock *block,
     BlockDriverState *bs = opaque;
     ssize_t ret;
 
-    ret = bdrv_pwrite(bs->file, offset, buf, buflen);
+    ret = bdrv_pwrite(bs->file, offset, buf, buflen, 0);
     if (ret < 0) {
         error_setg_errno(errp, -ret, "Could not write encryption header");
         return ret;