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imsm: FIX: Return blocks_per unit for general migration 

For general migration, blocks per unit are required for all disks,
not for per-member.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Adam Kwolek 2011-03-08 16:10:35 +11:00 committed by NeilBrown
parent 20a40eca4b
commit 072b112dfb
1 changed files with 2 additions and 0 deletions
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2
super-intel.c
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@ -1690,6 +1690,8 @@ static __u64 blocks_per_migr_unit(struct imsm_dev *dev)
migr_chunk = migr_strip_blocks_resync(dev);
disks = imsm_num_data_members(dev, 0);
blocks_per_unit = stripes_per_unit * migr_chunk * disks;
if (migr_type(dev) == MIGR_GEN_MIGR)
return blocks_per_unit;
stripe = __le32_to_cpu(map->blocks_per_strip) * disks;
segment = blocks_per_unit / stripe;
block_rel = blocks_per_unit - segment * stripe;