Commit f04ebb0b authored by NeilBrown's avatar NeilBrown
Browse files

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: default avatarNeilBrown <neilb@suse.de>
parent ab713cdc

drivers/md/raid10.c

+2 −1
Original line number Diff line number Diff line
@@ -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))