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