From: Namhyung Kim <namhyung@gmail.com>
Date: Tue, 14 Jun 2011 04:23:57 +0000 (+1000)
Subject: md/raid5: remove unusual use of bio_iovec_idx()
X-Git-Tag: firefly_0821_release~3680^2~5306^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fcde90759a985d8bfa4391346a821cc12fc16207;p=firefly-linux-kernel-4.4.55.git

md/raid5: remove unusual use of bio_iovec_idx()

In the bio_for_each_segment loop, bvl always points current
bio_vec, so the same as bio_iovec_idx(, i). Let's get rid of
it.

Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b7dcc677dda4..b72edf35ec54 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -585,7 +585,7 @@ async_copy_data(int frombio, struct bio *bio, struct page *page,
 	init_async_submit(&submit, flags, tx, NULL, NULL, NULL);
 
 	bio_for_each_segment(bvl, bio, i) {
-		int len = bio_iovec_idx(bio, i)->bv_len;
+		int len = bvl->bv_len;
 		int clen;
 		int b_offset = 0;
 
@@ -601,8 +601,8 @@ async_copy_data(int frombio, struct bio *bio, struct page *page,
 			clen = len;
 
 		if (clen > 0) {
-			b_offset += bio_iovec_idx(bio, i)->bv_offset;
-			bio_page = bio_iovec_idx(bio, i)->bv_page;
+			b_offset += bvl->bv_offset;
+			bio_page = bvl->bv_page;
 			if (frombio)
 				tx = async_memcpy(page, bio_page, page_offset,
 						  b_offset, clen, &submit);