diff options
author | Christoph Lameter <clameter@sgi.com> | 2008-02-27 11:07:10 -0800 |
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committer | Christoph Lameter <clameter@sgi.com> | 2008-02-27 11:07:10 -0800 |
commit | 9ef64cb4320df821638b508f79aa8b858cca99f0 (patch) | |
tree | 4efbf0854234f89c6f4413077ec795fc669b5b0a /fs/xfs/xfs_bit.h | |
parent | 6f157c1d268d5888ca44c589dccd01729c4172f6 (diff) | |
parent | 7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/xfs/xfs_bit.h')
-rw-r--r-- | fs/xfs/xfs_bit.h | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/xfs_bit.h index 325a007dec9..082641a9782 100644 --- a/fs/xfs/xfs_bit.h +++ b/fs/xfs/xfs_bit.h @@ -47,30 +47,13 @@ static inline __uint64_t xfs_mask64lo(int n) } /* Get high bit set out of 32-bit argument, -1 if none set */ -static inline int xfs_highbit32(__uint32_t v) -{ - return fls(v) - 1; -} - -/* Get high bit set out of 64-bit argument, -1 if none set */ -static inline int xfs_highbit64(__uint64_t v) -{ - return fls64(v) - 1; -} - -/* Get low bit set out of 32-bit argument, -1 if none set */ -static inline int xfs_lowbit32(__uint32_t v) -{ - __uint32_t t = v; - return (t) ? find_first_bit((unsigned long *)&t, 32) : -1; -} +extern int xfs_highbit32(__uint32_t v); /* Get low bit set out of 64-bit argument, -1 if none set */ -static inline int xfs_lowbit64(__uint64_t v) -{ - __uint64_t t = v; - return (t) ? find_first_bit((unsigned long *)&t, 64) : -1; -} +extern int xfs_lowbit64(__uint64_t v); + +/* Get high bit set out of 64-bit argument, -1 if none set */ +extern int xfs_highbit64(__uint64_t); /* Return whether bitmap is empty (1 == empty) */ extern int xfs_bitmap_empty(uint *map, uint size); |