blockgroup_lock.h: simplify definition of NR_BG_LOCKS
authorEric Biggers <ebiggers@google.com>
Thu, 15 Sep 2016 22:29:06 +0000 (18:29 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 15 Sep 2016 22:29:06 +0000 (18:29 -0400)
commit7c5f6b320b59cb4a674750bbb29a248b5bae7641
treee0f784dd2147a25b89abe4adcce411e64d9859d6
parent9e5ab85deb2c80f9707be39cd0a2c5f90c89dd97
blockgroup_lock.h: simplify definition of NR_BG_LOCKS

We can use ilog2() to more easily produce the desired NR_BG_LOCKS.  This
works because ilog2() is evaluated at compile-time when its argument is
a compile-time constant.

I did not change the chosen NR_BG_LOCKS values.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
include/linux/blockgroup_lock.h