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author | Lachlan McIlroy <lachlan@sgi.com> | 2008-02-26 17:00:22 +1100 |
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committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-02-26 17:05:44 +1100 |
commit | ef8ece55d9b6825c28a5c1a4bd89b94040cb7b32 (patch) | |
tree | c086be0bf7ef1139db75d4fd084f2390545629e8 /fs/xfs/xfs_bit.h | |
parent | db69c915e67705daac25cad06d816c09be634de0 (diff) | |
download | linux-rpi3-ef8ece55d9b6825c28a5c1a4bd89b94040cb7b32.tar.gz linux-rpi3-ef8ece55d9b6825c28a5c1a4bd89b94040cb7b32.tar.bz2 linux-rpi3-ef8ece55d9b6825c28a5c1a4bd89b94040cb7b32.zip |
[XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac
platform.
SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:30559a
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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 0f9fc9a3c415..082641a9782c 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) -{ - unsigned long t = v; - return (v) ? find_first_bit(&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) -{ - unsigned long t = v; - return (v) ? find_first_bit(&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); |