25 lines
650 B
Text
25 lines
650 B
Text
|
dnl #
|
||
|
|
dnl # 4.7 API change
|
||
|
|
dnl # i_mutex is changed to i_rwsem. Instead of directly using
|
||
|
|
dnl # i_mutex/i_rwsem, we should use inode_lock() and inode_lock_shared()
|
||
|
|
dnl # We test inode_lock_shared because inode_lock is introduced earlier.
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_LOCK], [
|
||
|
|
ZFS_LINUX_TEST_SRC([inode_lock], [
|
||
|
|
#include <linux/fs.h>
|
||
|
|
],[
|
||
|
|
struct inode *inode = NULL;
|
||
|
|
inode_lock_shared(inode);
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_INODE_LOCK], [
|
||
|
|
AC_MSG_CHECKING([whether inode_lock_shared() exists])
|
||
|
|
ZFS_LINUX_TEST_RESULT([inode_lock], [
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_INODE_LOCK_SHARED, 1, [yes])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|