tree 0501d81aef5e40c425d33097fb223eead3a409c6
parent 6dc390ad61ac8dfca5fa9b0823981fb6f7ec17a0
author Jes Sorensen <Jes.Sorensen@redhat.com> 1455659064 -0500
committer Shaohua Li <shli@fb.com> 1456447133 -0800

md/raid5: Compare apples to apples (or sectors to sectors)

'max_discard_sectors' is in sectors, while 'stripe' is in bytes.

This fixes the problem where DISCARD would get disabled on some larger
RAID5 configurations (6 or more drives in my testing), while it worked
as expected with smaller configurations.

Fixes: 620125f2bf8 ("MD: raid5 trim support")
Cc: stable@vger.kernel.org v3.7+
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>