| dnl # |
| dnl # Linux 5.2/5.18 API |
| dnl # |
| dnl # In cdb4f26a63c391317e335e6e683a614358e70aeb ("kobject: kobj_type: remove default_attrs") |
| dnl # struct kobj_type.default_attrs |
| dnl # was finally removed in favour of |
| dnl # struct kobj_type.default_groups |
| dnl # |
| dnl # This was added in aa30f47cf666111f6bbfd15f290a27e8a7b9d854 ("kobject: Add support for default attribute groups to kobj_type"), |
| dnl # if both are present (5.2-5.17), we prefer default_groups; they're otherwise equivalent |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_SYSFS_DEFAULT_GROUPS], [ |
| ZFS_LINUX_TEST_SRC([sysfs_default_groups], [ |
| #include <linux/kobject.h> |
| ],[ |
| struct kobj_type __attribute__ ((unused)) kt = { |
| .default_groups = (const struct attribute_group **)NULL }; |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SYSFS_DEFAULT_GROUPS], [ |
| AC_MSG_CHECKING([whether struct kobj_type.default_groups exists]) |
| ZFS_LINUX_TEST_RESULT([sysfs_default_groups],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE([HAVE_SYSFS_DEFAULT_GROUPS], 1, [struct kobj_type has default_groups]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_SYSFS], [ |
| ZFS_AC_KERNEL_SRC_SYSFS_DEFAULT_GROUPS |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SYSFS], [ |
| ZFS_AC_KERNEL_SYSFS_DEFAULT_GROUPS |
| ]) |
