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dm stripe: remove minimum stripe size

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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>
This commit is contained in:
Mikulas Patocka 2012-07-27 15:08:01 +01:00 committed by Alasdair G Kergon
parent eb850de608
commit 8f069b41bc
1 changed files with 1 additions and 2 deletions
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3
drivers/md/dm-stripe.c
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@ -109,8 +109,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
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;
}