zfs-builds-mm/zfs-0.8.3/config/kernel-dirty-inode.m4

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2020-03-01 19:43:35 +01:00
dnl #
dnl # 3.0 API change
dnl # The sops->dirty_inode() callbacks were updated to take a flags
dnl # argument. This allows the greater control over whether the
dnl # filesystem needs to push out a transaction or not.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_DIRTY_INODE], [
ZFS_LINUX_TEST_SRC([dirty_inode_with_flags], [
#include <linux/fs.h>
void dirty_inode(struct inode *a, int b) { return; }
static const struct super_operations
sops __attribute__ ((unused)) = {
.dirty_inode = dirty_inode,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_DIRTY_INODE], [
AC_MSG_CHECKING([whether sops->dirty_inode() wants flags])
ZFS_LINUX_TEST_RESULT([dirty_inode_with_flags], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_DIRTY_INODE_WITH_FLAGS, 1,
[sops->dirty_inode() wants flags])
],[
AC_MSG_RESULT([no])
])
])