[PATCH 1/3] md/raid5: fix raid5_set_bi_hw_segments
From: Namhyung Kim <hidden>
Date: 2011-06-13 14:48:35
Also in:
lkml
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
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 <redacted> --- 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 */
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1.7.5.2