[PATCH 1/3] md/raid5: fix raid5_set_bi_hw_segments

From: Namhyung Kim
Date: Mon Jun 13 2011 - 10:48:40 EST


The @bio->bi_phys_segments consists of active stripes count in the
lower 16 bits and processed stripes count in the upper 16 bits. So
logical-OR operator should be bitwise one.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
---
drivers/md/raid5.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 346e69bfdab3..fa6ac70dc72f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -129,7 +129,7 @@ static inline int raid5_dec_bi_hw_segments(struct bio *bio)

static inline void raid5_set_bi_hw_segments(struct bio *bio, unsigned int cnt)
{
- bio->bi_phys_segments = raid5_bi_phys_segments(bio) || (cnt << 16);
+ bio->bi_phys_segments = raid5_bi_phys_segments(bio) | (cnt << 16);
}

/* Find first data disk in a raid6 stripe */
--
1.7.5.2

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