62 lines
1.5 KiB
Plaintext
62 lines
1.5 KiB
Plaintext
dnl #
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dnl # Supported symlink APIs
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_PUT_LINK], [
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ZFS_LINUX_TEST_SRC([put_link_cookie], [
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#include <linux/fs.h>
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void put_link(struct inode *ip, void *cookie)
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{ return; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.put_link = put_link,
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};
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],[])
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ZFS_LINUX_TEST_SRC([put_link_nameidata], [
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#include <linux/fs.h>
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void put_link(struct dentry *de, struct
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nameidata *nd, void *ptr) { return; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.put_link = put_link,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_PUT_LINK], [
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dnl #
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dnl # 4.5 API change
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dnl # get_link() uses delayed done, there is no put_link() interface.
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dnl # This check intially uses the inode_operations_get_link result
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dnl #
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ZFS_LINUX_TEST_RESULT([inode_operations_get_link], [
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AC_DEFINE(HAVE_PUT_LINK_DELAYED, 1, [iops->put_link() delayed])
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],[
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dnl #
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dnl # 4.2 API change
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dnl # This kernel retired the nameidata structure.
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dnl #
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AC_MSG_CHECKING([whether iops->put_link() passes cookie])
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ZFS_LINUX_TEST_RESULT([put_link_cookie], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_PUT_LINK_COOKIE, 1,
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[iops->put_link() cookie])
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],[
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AC_MSG_RESULT(no)
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dnl #
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dnl # 2.6.32 API
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dnl #
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AC_MSG_CHECKING(
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[whether iops->put_link() passes nameidata])
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ZFS_LINUX_TEST_RESULT([put_link_nameidata], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_PUT_LINK_NAMEIDATA, 1,
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[iops->put_link() nameidata])
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],[
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ZFS_LINUX_TEST_ERROR([put_link])
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])
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])
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])
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])
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