zfs-builds-mm/zfs-2.0.0-rc4/config/kernel-encode-fh-inode.m4
2020-10-22 14:20:35 +02:00

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Text

dnl #
dnl # 3.5.0 API change
dnl # torvalds/linux@b0b0382bb4904965a9e9fca77ad87514dfda0d1c changed the
dnl # ->encode_fh() callback to pass the child inode and its parents inode
dnl # rather than a dentry and a boolean saying whether we want the parent.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_ENCODE_FH_WITH_INODE], [
ZFS_LINUX_TEST_SRC([export_operations_encode_fh], [
#include <linux/exportfs.h>
int encode_fh(struct inode *inode, __u32 *fh, int *max_len,
struct inode *parent) { return 0; }
static struct export_operations eops __attribute__ ((unused))={
.encode_fh = encode_fh,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE], [
AC_MSG_CHECKING([whether eops->encode_fh() wants inode])
ZFS_LINUX_TEST_RESULT([export_operations_encode_fh], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_ENCODE_FH_WITH_INODE, 1,
[eops->encode_fh() wants child and parent inodes])
],[
AC_MSG_RESULT(no)
])
])