Pass through the FUA flag to the lower layer so that the separate flush can be saved in practically relevant cases where a (raw) format driver sits on top of the protocol driver.
Signed-off-by: Kevin Wolf <kw...@redhat.com> --- block/raw_bsd.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/block/raw_bsd.c b/block/raw_bsd.c index ea16a23..4e802a7 100644 --- a/block/raw_bsd.c +++ b/block/raw_bsd.c @@ -56,8 +56,9 @@ static int coroutine_fn raw_co_readv(BlockDriverState *bs, int64_t sector_num, return bdrv_co_readv(bs->file->bs, sector_num, nb_sectors, qiov); } -static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov) +static int coroutine_fn +raw_co_writev_flags(BlockDriverState *bs, int64_t sector_num, int nb_sectors, + QEMUIOVector *qiov, int flags) { void *buf = NULL; BlockDriver *drv; @@ -103,7 +104,8 @@ static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num, } BLKDBG_EVENT(bs->file, BLKDBG_WRITE_AIO); - ret = bdrv_co_writev(bs->file->bs, sector_num, nb_sectors, qiov); + ret = bdrv_co_do_pwritev(bs->file->bs, sector_num * BDRV_SECTOR_SIZE, + nb_sectors * BDRV_SECTOR_SIZE, qiov, flags); fail: if (qiov == &local_qiov) { @@ -246,7 +248,8 @@ BlockDriver bdrv_raw = { .bdrv_close = &raw_close, .bdrv_create = &raw_create, .bdrv_co_readv = &raw_co_readv, - .bdrv_co_writev = &raw_co_writev, + .bdrv_co_writev_flags = &raw_co_writev_flags, + .supported_write_flags = BDRV_REQ_FUA, .bdrv_co_write_zeroes = &raw_co_write_zeroes, .bdrv_co_discard = &raw_co_discard, .bdrv_co_get_block_status = &raw_co_get_block_status, -- 1.8.3.1