[RFC 05/23] block/xen-blkfront: Remove invalid comment
From: Julien Grall <hidden>
Date: 2015-05-14 17:03:26
Also in:
lkml, xen-devel
Subsystem:
block layer, the rest, xen block subsystem, xen hypervisor interface · Maintainers:
Jens Axboe, Linus Torvalds, Roger Pau Monné, Juergen Gross, Stefano Stabellini
From: Julien Grall <redacted> Since commit b764915 "xen-blkfront: use a different scatterlist for each request", biovec has been replaced by scatterlist when copying back the data during a completion request.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 <redacted> Cc: Konrad Rzeszutek Wilk <redacted> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: David Vrabel <redacted> Cc: Roger Pau Monn? <redacted> --- 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(
--
2.1.4