From ee4b7179fc9bf19fd22f9d17757a86582c40229e Mon Sep 17 00:00:00 2001 From: Julien Grall Date: Wed, 17 Jun 2015 15:28:07 +0100 Subject: [PATCH] block/xen-blkfront: Remove invalid comment MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Since commit b764915 "xen-blkfront: use a different scatterlist for each request", biovec has been replaced by scatterlist when copying back the data during a completion request. Signed-off-by: Julien Grall Acked-by: Roger Pau Monné Cc: Konrad Rzeszutek Wilk Cc: Boris Ostrovsky Cc: David Vrabel Signed-off-by: David Vrabel --- drivers/block/xen-blkfront.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 5c72c25..60cf1d6 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1056,12 +1056,6 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, s->req.u.indirect.nr_segments : s->req.u.rw.nr_segments; if (bret->operation == BLKIF_OP_READ && info->feature_persistent) { - /* - * Copy the data received from the backend into the bvec. - * Since bv_offset can be different than 0, and bv_len different - * than PAGE_SIZE, we have to keep track of the current offset, - * to be sure we are copying the data from the right shared page. - */ for_each_sg(s->sg, sg, nseg, i) { BUG_ON(sg->offset + sg->length > PAGE_SIZE); shared_data = kmap_atomic( -- 2.7.4