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| /openbmc/linux/drivers/md/ |
| H A D | dm-stripe.c | 33d07c0d Fri Jul 27 09:08:02 CDT 2012 Mikulas Patocka <mpatocka@redhat.com> dm stripe: optimize chunk_size calculations
dm-stripe is usually used with a chunk size that is a power of two.
Use faster shifts and bit masks in such cases.
stripe_width is already optimized in a similar way.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
33d07c0d Fri Jul 27 09:08:02 CDT 2012 Mikulas Patocka <mpatocka@redhat.com> dm stripe: optimize chunk_size calculations
dm-stripe is usually used with a chunk size that is a power of two.
Use faster shifts and bit masks in such cases.
stripe_width is already optimized in a similar way.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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