195 lines
4.7 KiB
Plaintext
195 lines
4.7 KiB
Plaintext
dnl #
|
|
dnl # 3.4.0 API change
|
|
dnl # Added d_make_root() to replace previous d_alloc_root() function.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_D_MAKE_ROOT], [
|
|
ZFS_LINUX_TEST_SRC([d_make_root], [
|
|
#include <linux/dcache.h>
|
|
], [
|
|
d_make_root(NULL);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_MAKE_ROOT], [
|
|
AC_MSG_CHECKING([whether d_make_root() is available])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([d_make_root],
|
|
[d_make_root], [fs/dcache.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [d_make_root() is available])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.28 API change
|
|
dnl # Added d_obtain_alias() helper function.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS], [
|
|
ZFS_LINUX_TEST_SRC([d_obtain_alias], [
|
|
#include <linux/dcache.h>
|
|
], [
|
|
d_obtain_alias(NULL);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [
|
|
AC_MSG_CHECKING([whether d_obtain_alias() is available])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([d_obtain_alias],
|
|
[d_obtain_alias], [fs/dcache.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
|
|
[d_obtain_alias() is available])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.12 API change
|
|
dnl # d_prune_aliases() helper function available.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_D_PRUNE_ALIASES], [
|
|
ZFS_LINUX_TEST_SRC([d_prune_aliases], [
|
|
#include <linux/dcache.h>
|
|
], [
|
|
struct inode *ip = NULL;
|
|
d_prune_aliases(ip);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_PRUNE_ALIASES], [
|
|
AC_MSG_CHECKING([whether d_prune_aliases() is available])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([d_prune_aliases],
|
|
[d_prune_aliases], [fs/dcache.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_PRUNE_ALIASES, 1,
|
|
[d_prune_aliases() is available])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.38 API change
|
|
dnl # Added d_set_d_op() helper function.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_D_SET_D_OP], [
|
|
ZFS_LINUX_TEST_SRC([d_set_d_op], [
|
|
#include <linux/dcache.h>
|
|
], [
|
|
d_set_d_op(NULL, NULL);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], [
|
|
AC_MSG_CHECKING([whether d_set_d_op() is available])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([d_set_d_op],
|
|
[d_set_d_op], [fs/dcache.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_SET_D_OP, 1, [d_set_d_op() is available])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 3.6 API change
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_D_REVALIDATE_NAMEIDATA], [
|
|
ZFS_LINUX_TEST_SRC([dentry_operations_revalidate], [
|
|
#include <linux/dcache.h>
|
|
#include <linux/sched.h>
|
|
|
|
int revalidate (struct dentry *dentry,
|
|
struct nameidata *nidata) { return 0; }
|
|
|
|
static const struct dentry_operations
|
|
dops __attribute__ ((unused)) = {
|
|
.d_revalidate = revalidate,
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [
|
|
AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata])
|
|
ZFS_LINUX_TEST_RESULT([dentry_operations_revalidate], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_D_REVALIDATE_NAMEIDATA, 1,
|
|
[dops->d_revalidate() operation takes nameidata])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.30 API change
|
|
dnl # The 'struct dentry_operations' was constified in the dentry structure.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_CONST_DENTRY_OPERATIONS], [
|
|
ZFS_LINUX_TEST_SRC([dentry_operations_const], [
|
|
#include <linux/dcache.h>
|
|
|
|
const struct dentry_operations test_d_op = {
|
|
.d_revalidate = NULL,
|
|
};
|
|
],[
|
|
struct dentry d __attribute__ ((unused));
|
|
d.d_op = &test_d_op;
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS], [
|
|
AC_MSG_CHECKING([whether dentry uses const struct dentry_operations])
|
|
ZFS_LINUX_TEST_RESULT([dentry_operations_const], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_CONST_DENTRY_OPERATIONS, 1,
|
|
[dentry uses const struct dentry_operations])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.38 API change
|
|
dnl # Added sb->s_d_op default dentry_operations member
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_S_D_OP], [
|
|
ZFS_LINUX_TEST_SRC([super_block_s_d_op], [
|
|
#include <linux/fs.h>
|
|
],[
|
|
struct super_block sb __attribute__ ((unused));
|
|
sb.s_d_op = NULL;
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_S_D_OP], [
|
|
AC_MSG_CHECKING([whether super_block has s_d_op])
|
|
ZFS_LINUX_TEST_RESULT([super_block_s_d_op], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_S_D_OP, 1, [struct super_block has s_d_op])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_DENTRY], [
|
|
ZFS_AC_KERNEL_SRC_D_MAKE_ROOT
|
|
ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS
|
|
ZFS_AC_KERNEL_SRC_D_PRUNE_ALIASES
|
|
ZFS_AC_KERNEL_SRC_D_SET_D_OP
|
|
ZFS_AC_KERNEL_SRC_D_REVALIDATE_NAMEIDATA
|
|
ZFS_AC_KERNEL_SRC_CONST_DENTRY_OPERATIONS
|
|
ZFS_AC_KERNEL_SRC_S_D_OP
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_DENTRY], [
|
|
ZFS_AC_KERNEL_D_MAKE_ROOT
|
|
ZFS_AC_KERNEL_D_OBTAIN_ALIAS
|
|
ZFS_AC_KERNEL_D_PRUNE_ALIASES
|
|
ZFS_AC_KERNEL_D_SET_D_OP
|
|
ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA
|
|
ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS
|
|
ZFS_AC_KERNEL_S_D_OP
|
|
])
|