mirror_zfs/config/kernel-set-nlink.m4
Darik Horn 28eb9213d8 Linux 3.2 compat: set_nlink()
Directly changing inode->i_nlink is deprecated in Linux 3.2 by commit

  SHA: bfe8684869601dacfcb2cd69ef8cfd9045f62170

Use the new set_nlink() kernel function instead.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes: #462
2011-12-16 20:02:52 -08:00

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dnl #
dnl # Linux v3.2-rc1 API change
dnl # SHA: bfe8684869601dacfcb2cd69ef8cfd9045f62170
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SET_NLINK], [
AC_MSG_CHECKING([whether set_nlink() is available])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode node;
unsigned int link = 0;
(void) set_nlink(&node, link);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SET_NLINK, 1,
[set_nlink() is available])
],[
AC_MSG_RESULT(no)
])
])