Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.9
Pull MD fix from Song. * 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: md/raid5: make sure stripe_size as power of two
This commit is contained in:
commit
a433d7217f
|
@ -6514,9 +6514,12 @@ raid5_store_stripe_size(struct mddev *mddev, const char *page, size_t len)
|
|||
|
||||
/*
|
||||
* The value should not be bigger than PAGE_SIZE. It requires to
|
||||
* be multiple of DEFAULT_STRIPE_SIZE.
|
||||
* be multiple of DEFAULT_STRIPE_SIZE and the value should be power
|
||||
* of two.
|
||||
*/
|
||||
if (new % DEFAULT_STRIPE_SIZE != 0 || new > PAGE_SIZE || new == 0)
|
||||
if (new % DEFAULT_STRIPE_SIZE != 0 ||
|
||||
new > PAGE_SIZE || new == 0 ||
|
||||
new != roundup_pow_of_two(new))
|
||||
return -EINVAL;
|
||||
|
||||
err = mddev_lock(mddev);
|
||||
|
|
Loading…
Reference in New Issue