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	Linux 5.17's dequeue_signal() takes an additional enum pid_type *
output argument
Upstream commit 5768d8906bc23d512b1a736c1e198aa833a6daa4
("signal: Requeue signals in the appropriate queue")
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12989
		
	
			
		
			
				
	
	
		
			69 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
AC_DEFUN([ZFS_AC_KERNEL_KTHREAD_COMPLETE_AND_EXIT], [
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	dnl #
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	dnl # 5.17 API,
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	dnl # cead18552660702a4a46f58e65188fe5f36e9dfe ("exit: Rename complete_and_exit to kthread_complete_and_exit")
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	dnl #
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	dnl # Also moves the definition from include/linux/kernel.h to include/linux/kthread.h
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	dnl #
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	AC_MSG_CHECKING([whether kthread_complete_and_exit() is available])
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	ZFS_LINUX_TEST_RESULT([kthread_complete_and_exit], [
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		AC_MSG_RESULT(yes)
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		AC_DEFINE(SPL_KTHREAD_COMPLETE_AND_EXIT, kthread_complete_and_exit, [kthread_complete_and_exit() available])
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	], [
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		AC_MSG_RESULT(no)
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		AC_DEFINE(SPL_KTHREAD_COMPLETE_AND_EXIT, complete_and_exit, [using complete_and_exit() instead])
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	])
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])
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AC_DEFUN([ZFS_AC_KERNEL_KTHREAD_DEQUEUE_SIGNAL_4ARG], [
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	dnl #
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	dnl # 5.17 API: enum pid_type * as new 4th dequeue_signal() argument,
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	dnl # 5768d8906bc23d512b1a736c1e198aa833a6daa4 ("signal: Requeue signals in the appropriate queue")
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	dnl #
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	dnl # int dequeue_signal(struct task_struct *task, sigset_t *mask, kernel_siginfo_t *info);
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	dnl # int dequeue_signal(struct task_struct *task, sigset_t *mask, kernel_siginfo_t *info, enum pid_type *type);
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	dnl #
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	AC_MSG_CHECKING([whether dequeue_signal() takes 4 arguments])
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	ZFS_LINUX_TEST_RESULT([kthread_dequeue_signal], [
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		AC_MSG_RESULT(yes)
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		AC_DEFINE(HAVE_DEQUEUE_SIGNAL_4ARG, 1, [dequeue_signal() takes 4 arguments])
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	], [
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		AC_MSG_RESULT(no)
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	])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD_COMPLETE_AND_EXIT], [
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	ZFS_LINUX_TEST_SRC([kthread_complete_and_exit], [
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		#include <linux/kthread.h>
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	], [
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		struct completion *completion = NULL;
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		long code = 0;
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		kthread_complete_and_exit(completion, code);
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	])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD_DEQUEUE_SIGNAL_4ARG], [
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	ZFS_LINUX_TEST_SRC([kthread_dequeue_signal], [
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		#include <linux/sched/signal.h>
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	], [
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		struct task_struct *task = NULL;
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		sigset_t *mask = NULL;
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		kernel_siginfo_t *info = NULL;
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		enum pid_type *type = NULL;
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		int error __attribute__ ((unused));
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		error = dequeue_signal(task, mask, info, type);
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	])
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])
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AC_DEFUN([ZFS_AC_KERNEL_KTHREAD], [
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	ZFS_AC_KERNEL_KTHREAD_COMPLETE_AND_EXIT
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	ZFS_AC_KERNEL_KTHREAD_DEQUEUE_SIGNAL_4ARG
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD], [
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	ZFS_AC_KERNEL_SRC_KTHREAD_COMPLETE_AND_EXIT
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	ZFS_AC_KERNEL_SRC_KTHREAD_DEQUEUE_SIGNAL_4ARG
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])
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