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authorStefan Agner <stefan@agner.ch>2017-03-14 13:59:28 -0700
committerMax Krummenacher <max.krummenacher@toradex.com>2017-03-15 18:35:51 +0100
commit39ac0033f2345ce7b5d8ca4439192407dacb2355 (patch)
tree51dc588baa63d31bc406388885f62c1cae068fa3 /drivers/md/raid5.c
parent13f2767f31803754aa883f298737aff866f04628 (diff)
parentd9e0350d2575a20ee7783427da9bd6b6107eb983 (diff)
Merge tag 'v4.1.39' into toradex_vf_4.1-nexttoradex_vf_4.1
Linux 4.1.39
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index ef0a99a3a779..e6d689c0a175 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6918,6 +6918,15 @@ static int run(struct mddev *mddev)
stripe = (stripe | (stripe-1)) + 1;
mddev->queue->limits.discard_alignment = stripe;
mddev->queue->limits.discard_granularity = stripe;
+
+ /*
+ * We use 16-bit counter of active stripes in bi_phys_segments
+ * (minus one for over-loaded initialization)
+ */
+ blk_queue_max_hw_sectors(mddev->queue, 0xfffe * STRIPE_SECTORS);
+ blk_queue_max_discard_sectors(mddev->queue,
+ 0xfffe * STRIPE_SECTORS);
+
/*
* unaligned part of discard request will be ignored, so can't
* guarantee discard_zeroes_data