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Commit edd319dc authored by David Chinner's avatar David Chinner Committed by Lachlan McIlroy
Browse files

[XFS] Fix xfs_lowbit64 



xfs_lowbit64 was broken on 32 bit platforms in a recent cleanup of the xfs
bitops. Fix it back up again.

SGI-PV: 974005
SGI-Modid: xfs-linux-melb:xfs-kern:30202a

Signed-off-by: default avatarDavid Chinner <dgc@sgi.com>
Signed-off-by: default avatarLachlan McIlroy <lachlan@sgi.com>
parent 45ba598e

fs/xfs/xfs_bit.h

+4 −4
Original line number Diff line number Diff line
@@ -61,15 +61,15 @@ static inline int xfs_highbit64(__uint64_t v) 
/* 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;

	__uint32_t t = v;

	return (t) ? find_first_bit((unsigned long *)&t, 32) : -1;

}



/* 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;

	__uint64_t t = v;

	return (t) ? find_first_bit((unsigned long *)&t, 64) : -1;

}



/* Return whether bitmap is empty (1 == empty) */