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Commit 4997b72e authored by Kent Overstreet's avatar Kent Overstreet Committed by Jens Axboe
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raid5: Initialize bi_vcnt 



The patch that converted raid5 to use bio_reset() forgot to initialize
bi_vcnt.

Signed-off-by: default avatarKent Overstreet <koverstreet@google.com>
Cc: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Tested-by: default avatarIlia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b02383ea

drivers/md/raid5.c

+2 −0
Original line number Diff line number Diff line
@@ -664,6 +664,7 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) 
			if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags))

				bi->bi_rw |= REQ_FLUSH;



			bi->bi_vcnt = 1;

			bi->bi_io_vec[0].bv_len = STRIPE_SIZE;

			bi->bi_io_vec[0].bv_offset = 0;

			bi->bi_size = STRIPE_SIZE;
@@ -701,6 +702,7 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) 
			else

				rbi->bi_sector = (sh->sector

						  + rrdev->data_offset);

			rbi->bi_vcnt = 1;

			rbi->bi_io_vec[0].bv_len = STRIPE_SIZE;

			rbi->bi_io_vec[0].bv_offset = 0;

			rbi->bi_size = STRIPE_SIZE;