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Linux 5.17 compat: detect complete_and_exit() rename 

Linux 5.17 sees a rename from complete_and_exit()
to kthread complete_and_exit()

Upstream commit cead18552660702a4a46f58e65188fe5f36e9dfe
("exit: Rename complete_and_exit to kthread_complete_and_exit")

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12989
This commit is contained in:
наб 2022-01-19 21:10:49 +01:00 committed by Brian Behlendorf
parent a9e2788ffe
commit a9856574cf
3 changed files with 30 additions and 1 deletions
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27
config/kernel-kthread.m4 Normal file
View File

@ -0,0 +1,27 @@
AC_DEFUN([ZFS_AC_KERNEL_KTHREAD], [
dnl #
dnl # 5.17 API,
dnl # cead18552660702a4a46f58e65188fe5f36e9dfe ("exit: Rename complete_and_exit to kthread_complete_and_exit")
dnl #
dnl # Also moves the definition from include/linux/kernel.h to include/linux/kthread.h
dnl #
AC_MSG_CHECKING([whether kthread_complete_and_exit() is available])
ZFS_LINUX_TEST_RESULT([kthread_complete_and_exit], [
AC_MSG_RESULT(yes)
AC_DEFINE(SPL_KTHREAD_COMPLETE_AND_EXIT, kthread_complete_and_exit, [kthread_complete_and_exit() available])
], [
AC_MSG_RESULT(no)
AC_DEFINE(SPL_KTHREAD_COMPLETE_AND_EXIT, complete_and_exit, [using complete_and_exit() instead])
])
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD], [
ZFS_LINUX_TEST_SRC([kthread_complete_and_exit], [
#include <linux/kthread.h>
], [
struct completion *completion = NULL;
long code = 0;
kthread_complete_and_exit(completion, code);
])
])

2
config/kernel.m4
View File

@ -136,6 +136,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG
ZFS_AC_KERNEL_SRC_PAGEMAP_FOLIO_WAIT_BIT
ZFS_AC_KERNEL_SRC_ADD_DISK
ZFS_AC_KERNEL_SRC_KTHREAD
AC_MSG_CHECKING([for available kernel interfaces])
ZFS_LINUX_TEST_COMPILE_ALL([kabi])
@ -245,6 +246,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG
ZFS_AC_KERNEL_PAGEMAP_FOLIO_WAIT_BIT
ZFS_AC_KERNEL_ADD_DISK
ZFS_AC_KERNEL_KTHREAD
])
dnl #

2
module/os/linux/spl/spl-thread.c
View File

@ -66,7 +66,7 @@ void
__thread_exit(void)
{
tsd_exit();
complete_and_exit(NULL, 0);
SPL_KTHREAD_COMPLETE_AND_EXIT(NULL, 0);
/* Unreachable */
}
EXPORT_SYMBOL(__thread_exit);