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| author | Jonathan Brassow <jbrassow@redhat.com> | 2011-06-09 03:01:10 +0400 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-06-09 05:42:36 +0400 |
| commit | d744540cd39e93976c4c8401e140232444ef3b0b (patch) | |
| tree | 66b818b089b1068ca02f05ed5e7be896fc311d18 /drivers/md/bitmap.c | |
| parent | d6b212f4b19da5301e6b6eca562e5c7a2a6e8c8d (diff) | |
| download | linux-d744540cd39e93976c4c8401e140232444ef3b0b.tar.xz | |
MD: use is_power_of_2 macro
Make use of is_power_of_2 macro.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index f0769b34d656..7fc028f9701e 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -651,7 +651,7 @@ static int bitmap_read_sb(struct bitmap *bitmap) reason = "unrecognized superblock version"; else if (chunksize < 512) reason = "bitmap chunksize too small"; - else if ((1 << ffz(~chunksize)) != chunksize) + else if (!is_power_of_2(chunksize)) reason = "bitmap chunksize not a power of 2"; else if (daemon_sleep < 1 || daemon_sleep > MAX_SCHEDULE_TIMEOUT) reason = "daemon sleep period out of range"; |