block: drop redundant bdrv_flush implementation

[qemu.git] / block / raw-posix.c

diff --git a/block/raw-posix.c b/block/raw-posix.c
index c7f5544edd80af4009e83d44cf1ceca176e6e6c9..afcb4c192c633b42fd12acfc25d87b024361c565 100644 (file)
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -583,19 +583,6 @@ static int raw_create(const char *filename, QEMUOptionParameter *options)
     return result;
 }
 
-static int raw_flush(BlockDriverState *bs)
-{
-    BDRVRawState *s = bs->opaque;
-    int ret;
-
-    ret = qemu_fdatasync(s->fd);
-    if (ret < 0) {
-        return -errno;
-    }
-
-    return 0;
-}
-
 #ifdef CONFIG_XFS
 static int xfs_discard(BDRVRawState *s, int64_t sector_num, int nb_sectors)
 {
@@ -645,7 +632,6 @@ static BlockDriver bdrv_file = {
     .bdrv_file_open = raw_open,
     .bdrv_close = raw_close,
     .bdrv_create = raw_create,
-    .bdrv_flush = raw_flush,
     .bdrv_discard = raw_discard,
 
     .bdrv_aio_readv = raw_aio_readv,
@@ -915,7 +901,6 @@ static BlockDriver bdrv_host_device = {
     .bdrv_create        = hdev_create,
     .create_options     = raw_create_options,
     .bdrv_has_zero_init = hdev_has_zero_init,
-    .bdrv_flush         = raw_flush,
 
     .bdrv_aio_readv    = raw_aio_readv,
     .bdrv_aio_writev   = raw_aio_writev,
@@ -1035,7 +1020,6 @@ static BlockDriver bdrv_host_floppy = {
     .bdrv_create        = hdev_create,
     .create_options     = raw_create_options,
     .bdrv_has_zero_init = hdev_has_zero_init,
-    .bdrv_flush         = raw_flush,
 
     .bdrv_aio_readv     = raw_aio_readv,
     .bdrv_aio_writev    = raw_aio_writev,
@@ -1135,7 +1119,6 @@ static BlockDriver bdrv_host_cdrom = {
     .bdrv_create        = hdev_create,
     .create_options     = raw_create_options,
     .bdrv_has_zero_init = hdev_has_zero_init,
-    .bdrv_flush         = raw_flush,
 
     .bdrv_aio_readv     = raw_aio_readv,
     .bdrv_aio_writev    = raw_aio_writev,
@@ -1255,7 +1238,6 @@ static BlockDriver bdrv_host_cdrom = {
     .bdrv_create        = hdev_create,
     .create_options     = raw_create_options,
     .bdrv_has_zero_init = hdev_has_zero_init,
-    .bdrv_flush         = raw_flush,
 
     .bdrv_aio_readv     = raw_aio_readv,
     .bdrv_aio_writev    = raw_aio_writev,