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| author | David Sterba <dsterba@suse.com> | 2018-09-21 15:26:34 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-10-15 18:23:35 +0300 |
| commit | 818255feece6e2a432328020d78c8a81a153ce65 (patch) | |
| tree | f2d95505a0f9ec09399cd98fa788e3b48bdbb0de | |
| parent | 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 (diff) | |
| download | linux-818255feece6e2a432328020d78c8a81a153ce65.tar.xz | |
btrfs: use common helper instead of open coding a bit test
The helper does the same math and we take care about the special case
when flags is 0 too.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/volumes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 909c578506ee..26eb388db343 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -3691,7 +3691,7 @@ static int alloc_profile_is_valid(u64 flags, int extended) return !extended; /* "0" is valid for usual profiles */ /* true if exactly one bit set */ - return (flags & (flags - 1)) == 0; + return is_power_of_2(flags); } static inline int balance_need_close(struct btrfs_fs_info *fs_info) |