From: Mikulas Patocka <mpatocka@redhat.com>

There is no technical limitation in device mapper that would prevent the
dm-stripe target from using a stripe size smaller than page size.

This patch removes the limit and makes stripe volumes portable across
architectures with different page size.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

---
 drivers/md/dm-stripe.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Index: linux/drivers/md/dm-stripe.c
===================================================================
--- linux.orig/drivers/md/dm-stripe.c
+++ linux/drivers/md/dm-stripe.c
@@ -109,8 +109,7 @@ static int stripe_ctr(struct dm_target *
 		return -EINVAL;
 	}
 
-	if (kstrtouint(argv[1], 10, &chunk_size) ||
-	    (chunk_size < (PAGE_SIZE >> SECTOR_SHIFT))) {
+	if (kstrtouint(argv[1], 10, &chunk_size) || !chunk_size) {
 		ti->error = "Invalid chunk_size";
 		return -EINVAL;
 	}