Re: [PATCH v11 08/13] copy-on-read: add support for BDRV_REQ_PREFETCH to COR-filter

Add support for the BDRV_REQ_PREFETCH flag to the supported_write_flags

of the COR-filter. Signed-off-by: Andrey Shinkevich <andrey.shinkevich(a)virtuozzo.com&gt; --- block/copy-on-read.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/copy-on-read.c b/block/copy-on-read.c index dfbd6ad..b136895 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -50,6 +50,7 @@ static int cor_open(BlockDriverState *bs, QDict *options, int flags, return -EINVAL; } + bs->supported_read_flags = BDRV_REQ_PREFETCH; bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED | (BDRV_REQ_FUA & bs->file->bs->supported_write_flags);