[SG] Update block layer to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 8025d64..61c2e39 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1354,8 +1354,9 @@
else
sg = sg_next(sg);
- memset(sg, 0, sizeof(*sg));
- sg->page = bvec->bv_page;
+ sg_dma_len(sg) = 0;
+ sg_dma_address(sg) = 0;
+ sg_set_page(sg, bvec->bv_page);
sg->length = nbytes;
sg->offset = bvec->bv_offset;
nsegs++;
@@ -1363,6 +1364,9 @@
bvprv = bvec;
} /* segments in rq */
+ if (sg)
+ __sg_mark_end(sg);
+
return nsegs;
}