From 08719dd9176b4c55f547bd11812fd6cc35907d37 Mon Sep 17 00:00:00 2001 From: Dongli Zhang Date: Thu, 17 Mar 2022 15:09:30 -0700 Subject: [PATCH] xen/blkfront: fix comment for need_copy MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The 'need_copy' is set when rq_data_dir(req) returns WRITE, in order to copy the written data to persistent page. ".need_copy = rq_data_dir(req) && info->feature_persistent," Signed-off-by: Dongli Zhang Fixes: c004a6fe0c40 ('block/xen-blkfront: Make it running on 64KB page granularity') Acked-by: Roger Pau Monné Reviewed-by: Chaitanya Kulkarni Link: https://lore.kernel.org/r/20220317220930.5698-1-dongli.zhang@oracle.com Signed-off-by: Jens Axboe --- drivers/block/xen-blkfront.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 5d04e480f36a..852df3f2c12a 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -576,7 +576,7 @@ struct setup_rw_req { struct blkif_request *ring_req; grant_ref_t gref_head; unsigned int id; - /* Only used when persistent grant is used and it's a read request */ + /* Only used when persistent grant is used and it's a write request */ bool need_copy; unsigned int bvec_off; char *bvec_data; -- 2.11.0