[PATCH 3/5] md/raid5: change disk limits

[Shaohua Li <shli@fb.com>]

Now we are using atomic_t to track stripes for a bio, the original limit
(because of 16-bits data for the tracking) doesn't apply any more.

Signed-off-by: Shaohua Li <shli@fb.com>
---
 drivers/md/raid5.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index fd3e5ce..467ad4f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7255,13 +7255,8 @@ static int raid5_run(struct mddev *mddev)
 		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);
+		blk_queue_max_hw_sectors(mddev->queue, BLK_DEF_MAX_SECTORS);
+		blk_queue_max_discard_sectors(mddev->queue, UINT_MAX);
 
 		/*
 		 * unaligned part of discard request will be ignored, so can't
-- 
2.9.3