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(parent: b1b0473) | patch
dm stripe: remove stripes_mask
authorMikulas Patocka <mpatocka@redhat.com>
Fri, 27 Jul 2012 14:08:00 +0000 (15:08 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 27 Jul 2012 14:08:00 +0000 (15:08 +0100)
commit0aa3c6de074ed4322d410e1789b5054d44a1a791
tree230f9e574467fbe34cb5a96120b9466bbc27d5f8tree | snapshot
parentb1b04732409989c27cfcc2644bcdc7b7c4e84a18commit | diff
dm stripe: remove stripes_mask

The structure stripe_c contains a stripes_mask field. This field is
useless because it can be trivially calculated by subtracting one from
stripes. It is used only at one place. This patch removes it.

The patch also changes ffs(stripes) - 1 to __ffs(stripes).

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-stripe.c diff | blob | history
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