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Remove atomic64_xchg() wrappers

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The atomic64_xchg() and atomic64_cmpxchg() functions have been
available since Linux 2.6.24.  There is no longer a need to
maintain this compatibility code.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-10-01 16:31:11 -04:00
parent 82f2f1a3af
commit ff0582cb39
2 changed files with 0 additions and 48 deletions
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include/sys/atomic.h
-8
View File
@@ -29,14 +29,6 @@
#include <linux/spinlock.h>
#include <sys/types.h>
#ifndef HAVE_ATOMIC64_CMPXCHG
#define atomic64_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
#endif
#ifndef HAVE_ATOMIC64_XCHG
#define atomic64_xchg(v, n) (xchg(&((v)->counter), n))
#endif
/*
* Two approaches to atomic operations are implemented each with its
* own benefits are drawbacks imposed by the Solaris API. Neither