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md/raid10: round up to bdev_logical_block_size in narrow_write_error. 

RAID10 version of earlier fix for RAID1.  We must never initiate
IO with sizes less that logical_block_size.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2015-02-16 14:51:54 +11:00
parent ab713cdc6f
commit f04ebb0be7
1 changed files with 2 additions and 1 deletions
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3
drivers/md/raid10.c
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@ -2572,7 +2572,8 @@ static int narrow_write_error(struct r10bio *r10_bio, int i)
if (rdev->badblocks.shift < 0)
return 0;
block_sectors = 1 << rdev->badblocks.shift;
block_sectors = roundup(1 << rdev->badblocks.shift,
bdev_logical_block_size(rdev->bdev) >> 9);
sector = r10_bio->sector;
sectors = ((r10_bio->sector + block_sectors)
& ~(sector_t)(block_sectors - 1))