diff options
| author | Tim Chase <[email protected]> | 2014-04-26 20:56:03 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2014-07-22 09:47:48 -0700 |
| commit | 7f23e0010977ffa492d6df57aee0c97ce8e74278 (patch) | |
| tree | 1aced52d08f23ac1d04de9e53b7dfc0391002059 /include | |
| parent | 377e12f14a2c3694c3a733782b91ae7beecc44f3 (diff) | |
Add functions and macros as used upstream.
Added highbit64() and howmany() which are used in recent upstream
code. Both highbit() and highbit64() should at some point be
re-factored to use the optimized fls() and fls64() functions.
Signed-off-by: Brian Behlendorf <[email protected]>
Signed-off-by: Prakash Surya <[email protected]>
Signed-off-by: Tim Chase <[email protected]>
Closes #363
Diffstat (limited to 'include')
| -rw-r--r-- | include/sys/sysmacros.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sys/sysmacros.h b/include/sys/sysmacros.h index e73c7fd1e..565fc5600 100644 --- a/include/sys/sysmacros.h +++ b/include/sys/sysmacros.h @@ -150,6 +150,7 @@ extern unsigned long spl_hostid; /* Missing misc functions */ extern int highbit(unsigned long i); +extern int highbit64(uint64_t i); extern uint32_t zone_get_hostid(void *zone); extern void spl_setup(void); extern void spl_cleanup(void); @@ -172,6 +173,9 @@ extern void spl_cleanup(void); #ifndef roundup #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) #endif +#ifndef howmany +#define howmany(x, y) (((x) + ((y) - 1)) / (y)) +#endif /* * Compatibility macros/typedefs needed for Solaris -> Linux port |