mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 03:09:34 +03:00
ab4fb9b74e
Last use of wait_lock was removed in "Linux 5.3 compat: retire
rw_tryupgrade()" (e7a99dab2b).
Fixes the issue reported in
https://github.com/openzfs/zfs/issues/11097#issuecomment-714532367
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Orivej Desh <orivej@gmx.fr>
Closes #11309
61 lines
1.5 KiB
Plaintext
61 lines
1.5 KiB
Plaintext
dnl #
|
|
dnl # 3.16 API Change
|
|
dnl #
|
|
dnl # rwsem-spinlock "->activity" changed to "->count"
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_RWSEM_ACTIVITY], [
|
|
ZFS_LINUX_TEST_SRC([rwsem_activity], [
|
|
#include <linux/rwsem.h>
|
|
],[
|
|
struct rw_semaphore dummy_semaphore __attribute__ ((unused));
|
|
dummy_semaphore.activity = 0;
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_RWSEM_ACTIVITY], [
|
|
AC_MSG_CHECKING([whether struct rw_semaphore has member activity])
|
|
ZFS_LINUX_TEST_RESULT([rwsem_activity], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_RWSEM_ACTIVITY, 1,
|
|
[struct rw_semaphore has member activity])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 4.8 API Change
|
|
dnl #
|
|
dnl # rwsem "->count" changed to atomic_long_t type
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_RWSEM_ATOMIC_LONG_COUNT], [
|
|
ZFS_LINUX_TEST_SRC([rwsem_atomic_long_count], [
|
|
#include <linux/rwsem.h>
|
|
],[
|
|
DECLARE_RWSEM(dummy_semaphore);
|
|
(void) atomic_long_read(&dummy_semaphore.count);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_RWSEM_ATOMIC_LONG_COUNT], [
|
|
AC_MSG_CHECKING(
|
|
[whether struct rw_semaphore has atomic_long_t member count])
|
|
ZFS_LINUX_TEST_RESULT([rwsem_atomic_long_count], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_RWSEM_ATOMIC_LONG_COUNT, 1,
|
|
[struct rw_semaphore has atomic_long_t member count])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_RWSEM], [
|
|
ZFS_AC_KERNEL_SRC_RWSEM_ACTIVITY
|
|
ZFS_AC_KERNEL_SRC_RWSEM_ATOMIC_LONG_COUNT
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_RWSEM], [
|
|
ZFS_AC_KERNEL_RWSEM_ACTIVITY
|
|
ZFS_AC_KERNEL_RWSEM_ATOMIC_LONG_COUNT
|
|
])
|