[v1,08/27] staging: lustre: avoid to use bio->bi_vcnt directly
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Message ID 1460635375-28282-9-git-send-email-tom.leiming@gmail.com
State New
Headers show

Commit Message

Ming Lei April 14, 2016, 12:02 p.m. UTC
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 drivers/staging/lustre/lustre/llite/lloop.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Patch
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diff --git a/drivers/staging/lustre/lustre/llite/lloop.c b/drivers/staging/lustre/lustre/llite/lloop.c
index f169c0d..c7bdc2f 100644
--- a/drivers/staging/lustre/lustre/llite/lloop.c
+++ b/drivers/staging/lustre/lustre/llite/lloop.c
@@ -302,19 +302,20 @@  static unsigned int loop_get_bio(struct lloop_device *lo, struct bio **req)
 	}
 
 	/* TODO: need to split the bio, too bad. */
-	LASSERT(first->bi_vcnt <= LLOOP_MAX_SEGMENTS);
+	LASSERT(bio_pages(first) <= LLOOP_MAX_SEGMENTS);
 
 	rw = first->bi_rw;
 	bio = &lo->lo_bio;
 	while (*bio && (*bio)->bi_rw == rw) {
+		unsigned curr_cnt = bio_pages(*bio);
 		CDEBUG(D_INFO, "bio sector %llu size %u count %u vcnt%u\n",
 		       (unsigned long long)(*bio)->bi_iter.bi_sector,
 		       (*bio)->bi_iter.bi_size,
-		       page_count, (*bio)->bi_vcnt);
-		if (page_count + (*bio)->bi_vcnt > LLOOP_MAX_SEGMENTS)
+		       page_count, curr_cnt);
+		if (page_count + curr_cnt > LLOOP_MAX_SEGMENTS)
 			break;
 
-		page_count += (*bio)->bi_vcnt;
+		page_count += curr_cnt;
 		count++;
 		bio = &(*bio)->bi_next;
 	}