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(parent: e62869b) | patch
btrfs: add 64bit safe helper for power of two checks
authorDavid Sterba <dsterba@suse.com>
Tue, 1 Oct 2019 17:40:15 +0000 (19:40 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 18 Nov 2019 11:46:50 +0000 (12:46 +0100)
commit79c8264e443471eb2748c93680acce54d14d2225
tree380f4761db1fe9933d8c3dfd84e4b5282c7a533ctree | snapshot
parente62869be1ed7569bf12a5dc28c5b7ee5823f9cf3commit | diff
btrfs: add 64bit safe helper for power of two checks

As is_power_of_two takes unsigned long, it's not safe on 32bit
architectures, but we could pass any u64 value in seveal places. Add a
separate helper and also an alias that better expresses the purpose for
which the helper is used.

Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/misc.h diff | blob | history
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