1dnl # 2dnl # Linux 5.2/5.18 API 3dnl # 4dnl # In cdb4f26a63c391317e335e6e683a614358e70aeb ("kobject: kobj_type: remove default_attrs") 5dnl # struct kobj_type.default_attrs 6dnl # was finally removed in favour of 7dnl # struct kobj_type.default_groups 8dnl # 9dnl # This was added in aa30f47cf666111f6bbfd15f290a27e8a7b9d854 ("kobject: Add support for default attribute groups to kobj_type"), 10dnl # if both are present (5.2-5.17), we prefer default_groups; they're otherwise equivalent 11dnl # 12AC_DEFUN([ZFS_AC_KERNEL_SRC_SYSFS_DEFAULT_GROUPS], [ 13 ZFS_LINUX_TEST_SRC([sysfs_default_groups], [ 14 #include <linux/kobject.h> 15 ],[ 16 struct kobj_type __attribute__ ((unused)) kt = { 17 .default_groups = (const struct attribute_group **)NULL }; 18 ]) 19]) 20 21AC_DEFUN([ZFS_AC_KERNEL_SYSFS_DEFAULT_GROUPS], [ 22 AC_MSG_CHECKING([whether struct kobj_type.default_groups exists]) 23 ZFS_LINUX_TEST_RESULT([sysfs_default_groups],[ 24 AC_MSG_RESULT(yes) 25 AC_DEFINE([HAVE_SYSFS_DEFAULT_GROUPS], 1, [struct kobj_type has default_groups]) 26 ],[ 27 AC_MSG_RESULT(no) 28 ]) 29]) 30 31AC_DEFUN([ZFS_AC_KERNEL_SRC_SYSFS], [ 32 ZFS_AC_KERNEL_SRC_SYSFS_DEFAULT_GROUPS 33]) 34 35AC_DEFUN([ZFS_AC_KERNEL_SYSFS], [ 36 ZFS_AC_KERNEL_SYSFS_DEFAULT_GROUPS 37]) 38