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-rw-r--r--config/kernel-kthread.m445
-rw-r--r--module/os/linux/spl/spl-thread.c5
2 files changed, 48 insertions, 2 deletions
diff --git a/config/kernel-kthread.m4 b/config/kernel-kthread.m4
index 6459f831e..f5b824d79 100644
--- a/config/kernel-kthread.m4
+++ b/config/kernel-kthread.m4
@@ -1,4 +1,4 @@
-AC_DEFUN([ZFS_AC_KERNEL_KTHREAD], [
+AC_DEFUN([ZFS_AC_KERNEL_KTHREAD_COMPLETE_AND_EXIT], [
dnl #
dnl # 5.17 API,
dnl # cead18552660702a4a46f58e65188fe5f36e9dfe ("exit: Rename complete_and_exit to kthread_complete_and_exit")
@@ -15,7 +15,24 @@ AC_DEFUN([ZFS_AC_KERNEL_KTHREAD], [
])
])
-AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD], [
+AC_DEFUN([ZFS_AC_KERNEL_KTHREAD_DEQUEUE_SIGNAL_4ARG], [
+ dnl #
+ dnl # 5.17 API: enum pid_type * as new 4th dequeue_signal() argument,
+ dnl # 5768d8906bc23d512b1a736c1e198aa833a6daa4 ("signal: Requeue signals in the appropriate queue")
+ dnl #
+ dnl # int dequeue_signal(struct task_struct *task, sigset_t *mask, kernel_siginfo_t *info);
+ dnl # int dequeue_signal(struct task_struct *task, sigset_t *mask, kernel_siginfo_t *info, enum pid_type *type);
+ dnl #
+ AC_MSG_CHECKING([whether dequeue_signal() takes 4 arguments])
+ ZFS_LINUX_TEST_RESULT([kthread_dequeue_signal], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_DEQUEUE_SIGNAL_4ARG, 1, [dequeue_signal() takes 4 arguments])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD_COMPLETE_AND_EXIT], [
ZFS_LINUX_TEST_SRC([kthread_complete_and_exit], [
#include <linux/kthread.h>
], [
@@ -25,3 +42,27 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD], [
kthread_complete_and_exit(completion, code);
])
])
+
+AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD_DEQUEUE_SIGNAL_4ARG], [
+ ZFS_LINUX_TEST_SRC([kthread_dequeue_signal], [
+ #include <linux/sched/signal.h>
+ ], [
+ struct task_struct *task = NULL;
+ sigset_t *mask = NULL;
+ kernel_siginfo_t *info = NULL;
+ enum pid_type *type = NULL;
+ int error __attribute__ ((unused));
+
+ error = dequeue_signal(task, mask, info, type);
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_KTHREAD], [
+ ZFS_AC_KERNEL_KTHREAD_COMPLETE_AND_EXIT
+ ZFS_AC_KERNEL_KTHREAD_DEQUEUE_SIGNAL_4ARG
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD], [
+ ZFS_AC_KERNEL_SRC_KTHREAD_COMPLETE_AND_EXIT
+ ZFS_AC_KERNEL_SRC_KTHREAD_DEQUEUE_SIGNAL_4ARG
+])
diff --git a/module/os/linux/spl/spl-thread.c b/module/os/linux/spl/spl-thread.c
index 0ba4c18c1..16d2ca1b1 100644
--- a/module/os/linux/spl/spl-thread.c
+++ b/module/os/linux/spl/spl-thread.c
@@ -188,7 +188,12 @@ issig(int why)
spin_lock_irq(&task->sighand->siglock);
int ret;
+#ifdef HAVE_DEQUEUE_SIGNAL_4ARG
+ enum pid_type __type;
+ if ((ret = dequeue_signal(task, &set, &__info, &__type)) != 0) {
+#else
if ((ret = dequeue_signal(task, &set, &__info)) != 0) {
+#endif
#ifdef HAVE_SIGNAL_STOP
spin_unlock_irq(&task->sighand->siglock);
kernel_signal_stop();