diff options
| author | David Sterba <dsterba@suse.com> | 2018-09-21 08:26:34 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-10-15 11:23:35 -0400 |
| commit | 818255feece6e2a432328020d78c8a81a153ce65 (patch) | |
| tree | f2d95505a0f9ec09399cd98fa788e3b48bdbb0de | |
| parent | 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 (diff) | |
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) | |||
| 3691 | return !extended; /* "0" is valid for usual profiles */ | 3691 | return !extended; /* "0" is valid for usual profiles */ |
| 3692 | 3692 | ||
| 3693 | /* true if exactly one bit set */ | 3693 | /* true if exactly one bit set */ |
| 3694 | return (flags & (flags - 1)) == 0; | 3694 | return is_power_of_2(flags); |
| 3695 | } | 3695 | } |
| 3696 | 3696 | ||
| 3697 | static inline int balance_need_close(struct btrfs_fs_info *fs_info) | 3697 | static inline int balance_need_close(struct btrfs_fs_info *fs_info) |