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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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20
config/spl-build.m4
View File

@ -26,7 +26,6 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
SPL_AC_TYPE_ATOMIC64_CMPXCHG SPL_AC_TYPE_ATOMIC64_CMPXCHG
SPL_AC_TYPE_ATOMIC64_XCHG SPL_AC_TYPE_ATOMIC64_XCHG
SPL_AC_TYPE_UINTPTR_T SPL_AC_TYPE_UINTPTR_T
SPL_AC_2ARGS_REGISTER_SYSCTL
SPL_AC_SHRINKER_CALLBACK SPL_AC_SHRINKER_CALLBACK
SPL_AC_CTL_UNNUMBERED SPL_AC_CTL_UNNUMBERED
SPL_AC_CTL_NAME 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],[ AC_DEFUN([SPL_AC_SHRINKER_CALLBACK],[
tmp_flags="$EXTRA_KCFLAGS" tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror" EXTRA_KCFLAGS="-Werror"

9
include/linux/proc_compat.h
View File

@ -27,15 +27,6 @@
#include <linux/proc_fs.h> #include <linux/proc_fs.h>
#ifdef CONFIG_SYSCTL
#ifdef HAVE_2ARGS_REGISTER_SYSCTL
#define spl_register_sysctl_table(t, a) register_sysctl_table(t, a)
#else
#define spl_register_sysctl_table(t, a) register_sysctl_table(t)
#endif /* HAVE_2ARGS_REGISTER_SYSCTL */
#define spl_unregister_sysctl_table(t) unregister_sysctl_table(t)
#endif /* CONFIG_SYSCTL */
#ifdef HAVE_CTL_NAME #ifdef HAVE_CTL_NAME
#define CTL_NAME(cname) .ctl_name = (cname), #define CTL_NAME(cname) .ctl_name = (cname),
#else #else

6
module/spl/spl-proc.c
View File

@ -1127,7 +1127,7 @@ spl_proc_init(void)
SENTRY; SENTRY;
#ifdef CONFIG_SYSCTL #ifdef CONFIG_SYSCTL
spl_header = spl_register_sysctl_table(spl_root, 0); spl_header = register_sysctl_table(spl_root);
if (spl_header == NULL) if (spl_header == NULL)
SRETURN(-EUNATCH); SRETURN(-EUNATCH);
#endif /* CONFIG_SYSCTL */ #endif /* CONFIG_SYSCTL */
@ -1160,7 +1160,7 @@ out:
#endif #endif
remove_proc_entry("spl", NULL); remove_proc_entry("spl", NULL);
#ifdef CONFIG_SYSCTL #ifdef CONFIG_SYSCTL
spl_unregister_sysctl_table(spl_header); unregister_sysctl_table(spl_header);
#endif /* CONFIG_SYSCTL */ #endif /* CONFIG_SYSCTL */
} }
@ -1181,7 +1181,7 @@ spl_proc_fini(void)
#ifdef CONFIG_SYSCTL #ifdef CONFIG_SYSCTL
ASSERT(spl_header != NULL); ASSERT(spl_header != NULL);
spl_unregister_sysctl_table(spl_header); unregister_sysctl_table(spl_header);
#endif /* CONFIG_SYSCTL */ #endif /* CONFIG_SYSCTL */
SEXIT; SEXIT;