1716fd348SMartin Matuskadnl # 2716fd348SMartin Matuskadnl # Linux 5.2/5.18 API 3716fd348SMartin Matuskadnl # 4716fd348SMartin Matuskadnl # In cdb4f26a63c391317e335e6e683a614358e70aeb ("kobject: kobj_type: remove default_attrs") 5716fd348SMartin Matuskadnl # struct kobj_type.default_attrs 6716fd348SMartin Matuskadnl # was finally removed in favour of 7716fd348SMartin Matuskadnl # struct kobj_type.default_groups 8716fd348SMartin Matuskadnl # 9716fd348SMartin Matuskadnl # This was added in aa30f47cf666111f6bbfd15f290a27e8a7b9d854 ("kobject: Add support for default attribute groups to kobj_type"), 10716fd348SMartin Matuskadnl # if both are present (5.2-5.17), we prefer default_groups; they're otherwise equivalent 11716fd348SMartin Matuskadnl # 12716fd348SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_SRC_SYSFS_DEFAULT_GROUPS], [ 13716fd348SMartin Matuska ZFS_LINUX_TEST_SRC([sysfs_default_groups], [ 14716fd348SMartin Matuska #include <linux/kobject.h> 15716fd348SMartin Matuska ],[ 16716fd348SMartin Matuska struct kobj_type __attribute__ ((unused)) kt = { 17716fd348SMartin Matuska .default_groups = (const struct attribute_group **)NULL }; 18716fd348SMartin Matuska ]) 19716fd348SMartin Matuska]) 20716fd348SMartin Matuska 21716fd348SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_SYSFS_DEFAULT_GROUPS], [ 22*e3aa18adSMartin Matuska AC_MSG_CHECKING([whether struct kobj_type.default_groups exists]) 23716fd348SMartin Matuska ZFS_LINUX_TEST_RESULT([sysfs_default_groups],[ 24716fd348SMartin Matuska AC_MSG_RESULT(yes) 25716fd348SMartin Matuska AC_DEFINE([HAVE_SYSFS_DEFAULT_GROUPS], 1, [struct kobj_type has default_groups]) 26716fd348SMartin Matuska ],[ 27716fd348SMartin Matuska AC_MSG_RESULT(no) 28716fd348SMartin Matuska ]) 29716fd348SMartin Matuska]) 30716fd348SMartin Matuska 31716fd348SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_SRC_SYSFS], [ 32716fd348SMartin Matuska ZFS_AC_KERNEL_SRC_SYSFS_DEFAULT_GROUPS 33716fd348SMartin Matuska]) 34716fd348SMartin Matuska 35716fd348SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_SYSFS], [ 36716fd348SMartin Matuska ZFS_AC_KERNEL_SYSFS_DEFAULT_GROUPS 37716fd348SMartin Matuska]) 38