[mirror_zfs.git] / config / kernel-readpages.m4

dnl #
dnl # Linux 5.18 removes address_space_operations ->readpages in favour of
dnl # ->readahead
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_READPAGES], [
	ZFS_LINUX_TEST_SRC([vfs_has_readpages], [
		#include <linux/fs.h>

		static const struct address_space_operations
		    aops __attribute__ ((unused)) = {
			.readpages = NULL,
		};
	],[])
])

AC_DEFUN([ZFS_AC_KERNEL_VFS_READPAGES], [
	AC_MSG_CHECKING([whether aops->readpages exists])
	ZFS_LINUX_TEST_RESULT([vfs_has_readpages], [
		AC_MSG_RESULT([yes])
		AC_DEFINE(HAVE_VFS_READPAGES, 1,
			[address_space_operations->readpages exists])
	],[
		AC_MSG_RESULT([no])
	])
])
Commit	Line	Data
7d524c06 RS	1	dnl #
	2	dnl # Linux 5.18 removes address_space_operations ->readpages in favour of
	3	dnl # ->readahead
	4	dnl #
	5	AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_READPAGES], [
	6	ZFS_LINUX_TEST_SRC([vfs_has_readpages], [
	7	#include <linux/fs.h>
	8
	9	static const struct address_space_operations
	10	aops __attribute__ ((unused)) = {
	11	.readpages = NULL,
	12	};
	13	],[])
	14	])
	15
	16	AC_DEFUN([ZFS_AC_KERNEL_VFS_READPAGES], [
b9d98453	17	AC_MSG_CHECKING([whether aops->readpages exists])
7d524c06 RS	18	ZFS_LINUX_TEST_RESULT([vfs_has_readpages], [
	19	AC_MSG_RESULT([yes])
	20	AC_DEFINE(HAVE_VFS_READPAGES, 1,
	21	[address_space_operations->readpages exists])
	22	],[
	23	AC_MSG_RESULT([no])
	24	])
	25	])