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md: raid10: chunk size check in run

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have raid10 check chunk size in run method instead of in md

Signed-off-by: raziebe@gmail.com
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
raz ben yehuda
2009-06-16 17:01:22 +10:00
committed by NeilBrown
parent 92e59b6ba2
commit 964e7913b0
1 changed files with 3 additions and 2 deletions
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5
drivers/md/raid10.c
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@@ -2050,9 +2050,10 @@ static int run(mddev_t *mddev)
int nc, fc, fo; int nc, fc, fo;
sector_t stride, size; sector_t stride, size;
if (mddev->chunk_size < PAGE_SIZE) { if (mddev->chunk_size < PAGE_SIZE ||
!is_power_of_2(mddev->chunk_size)) {
printk(KERN_ERR "md/raid10: chunk size must be " printk(KERN_ERR "md/raid10: chunk size must be "
"at least PAGE_SIZE(%ld).\n", PAGE_SIZE); "at least PAGE_SIZE(%ld) and be a power of 2.\n", PAGE_SIZE);
return -EINVAL; return -EINVAL;
} }