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| author |   Julien Grall <julien.grall@linaro.org> | 2015-06-17 15:28:07 +0100 |
|---|---|---|
| committer |   David Vrabel <david.vrabel@citrix.com> | 2015-06-17 16:35:19 +0100 |
| commit | ee4b7179fc9bf19fd22f9d17757a86582c40229e (patch) | |
| tree | 33fbb11e033759cc17d758905936e0d2e949eec3 /drivers/block/xen-blkfront.c | |
| parent | block/xen-blkfront: Remove unused macro MAXIMUM_OUTSTANDING_BLOCK_REQS (diff) | |
| download | linux-dev-ee4b7179fc9bf19fd22f9d17757a86582c40229e.tar.xz linux-dev-ee4b7179fc9bf19fd22f9d17757a86582c40229e.zip | |
block/xen-blkfront: Remove invalid comment
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request", biovec has been replaced by scatterlist when copying back the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 <julien.grall@citrix.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/block/xen-blkfront.c')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 5c72c2501627..60cf1d627d23 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( |