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Remove register_sysctl() compatibility code

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The register_sysctl() interface has been stable since Linux 2.6.21.
There is no longer a need to maintain compatibility code.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-09-30 17:10:35 -04:00
parent bb4dee3df2
commit b38bf6a4e3
3 changed files with 3 additions and 32 deletions
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config/spl-build.m4
-20
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@@ -26,7 +26,6 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
SPL_AC_TYPE_ATOMIC64_CMPXCHG
SPL_AC_TYPE_ATOMIC64_XCHG
SPL_AC_TYPE_UINTPTR_T
SPL_AC_2ARGS_REGISTER_SYSCTL
SPL_AC_SHRINKER_CALLBACK
SPL_AC_CTL_UNNUMBERED
SPL_AC_CTL_NAME
@@ -872,25 +871,6 @@ AC_DEFUN([SPL_AC_TYPE_UINTPTR_T],
])
])
dnl #
dnl # 2.6.21 API change,
dnl # 'register_sysctl_table' use only one argument instead of two
dnl #
AC_DEFUN([SPL_AC_2ARGS_REGISTER_SYSCTL],
[AC_MSG_CHECKING([whether register_sysctl_table() wants 2 args])
SPL_LINUX_TRY_COMPILE([
#include <linux/sysctl.h>
],[
(void) register_sysctl_table(NULL, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
[register_sysctl_table() wants 2 args])
],[
AC_MSG_RESULT(no)
])
])
AC_DEFUN([SPL_AC_SHRINKER_CALLBACK],[
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"