mirror_zfs/include/linux/bitops_compat.c
behlendo 877a32e91e Pull in fls64 compat changes from spl-00-rhel4-compat.patch,
to allow greater compatibility with kernels pre 2.6.16.



git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@149 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-08-06 04:52:39 +00:00

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C

#ifndef _SPL_BITOPS_COMPAT_H
#define _SPL_BITOPS_COMPAT_H
#include <linux/bitops.h>
#ifndef HAVE_FLS64
static inline int fls64(__u64 x)
{
__u32 h = x >> 32;
if (h)
return fls(h) + 32;
return fls(x);
}
#endif /* HAVE_FLS64 */
#endif /* _SPL_BITOPS_COMPAT_H */