57 lines
1.4 KiB
Text
57 lines
1.4 KiB
Text
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dnl #
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dnl # 3.9 API change,
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dnl # Moved things from linux/sched.h to linux/sched/rt.h
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SCHED_RT_HEADER],
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[AC_MSG_CHECKING([whether header linux/sched/rt.h exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/sched.h>
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#include <linux/sched/rt.h>
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],[
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return 0;
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],[
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AC_DEFINE(HAVE_SCHED_RT_HEADER, 1, [linux/sched/rt.h exists])
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AC_MSG_RESULT(yes)
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 4.11 API change,
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dnl # Moved things from linux/sched.h to linux/sched/signal.h
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SCHED_SIGNAL_HEADER],
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[AC_MSG_CHECKING([whether header linux/sched/signal.h exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/sched.h>
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#include <linux/sched/signal.h>
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],[
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return 0;
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],[
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AC_DEFINE(HAVE_SCHED_SIGNAL_HEADER, 1, [linux/sched/signal.h exists])
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AC_MSG_RESULT(yes)
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 3.19 API change
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dnl # The io_schedule_timeout() function is present in all 2.6.32 kernels
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dnl # but it was not exported until Linux 3.19. The RHEL 7.x kernels which
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dnl # are based on a 3.10 kernel do export this symbol.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_IO_SCHEDULE_TIMEOUT], [
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AC_MSG_CHECKING([whether io_schedule_timeout() is available])
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ZFS_LINUX_TRY_COMPILE_SYMBOL([
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#include <linux/sched.h>
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], [
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(void) io_schedule_timeout(1);
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], [io_schedule_timeout], [], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IO_SCHEDULE_TIMEOUT, 1, [yes])
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],[
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AC_MSG_RESULT(no)
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])
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])
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