md: Fix dev_sectors on takeover from raid0 to raid4/5
authorNeilBrown <neilb@suse.de>
Wed, 20 Apr 2011 05:38:18 +0000 (15:38 +1000)
committerNeilBrown <neilb@suse.de>
Wed, 20 Apr 2011 05:38:18 +0000 (15:38 +1000)
commit3b71bd9337b404baab5c894e066be6b6bf51b1c3
tree23d29cf358319194092c41ed4748908e1b301180
parent2b7da309ffe602d222558cee4d7e407b96e34b3a
md: Fix dev_sectors on takeover from raid0 to raid4/5

A raid0 array doesn't set 'dev_sectors' as each device might
contribute a different number of sectors.
So when converting to a RAID4 or RAID5 we need to set dev_sectors
as they need the number.
We have already verified that in fact all devices do contribute
the same number of sectors, so use that number.

Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid5.c