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config: remove HAVE_GET_LINK_DELAYED 

Sponsored-by: https://despairlabs.com/sponsor/
Signed-off-by: Rob Norris <robn@despairlabs.com>
This commit is contained in:
Rob Norris 2024-08-16 16:52:28 +10:00
parent 61f4cb8e8e
commit d11e78d29f
3 changed files with 0 additions and 92 deletions
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55
config/kernel-get-link.m4
View File

@ -1,55 +0,0 @@
dnl #
dnl # Supported get_link() interfaces checked newest to oldest.
dnl # Note this interface used to be named follow_link.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_GET_LINK], [
ZFS_LINUX_TEST_SRC([inode_operations_get_link], [
#include <linux/fs.h>
static const char *get_link(struct dentry *de, struct inode *ip,
struct delayed_call *done) { return "symlink"; }
static struct inode_operations
iops __attribute__ ((unused)) = {
.get_link = get_link,
};
],[])
ZFS_LINUX_TEST_SRC([inode_operations_follow_link], [
#include <linux/fs.h>
static const char *follow_link(struct dentry *de,
void **cookie) { return "symlink"; }
static struct inode_operations
iops __attribute__ ((unused)) = {
.follow_link = follow_link,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_GET_LINK], [
dnl #
dnl # 4.5 API change
dnl # The get_link interface has added a delayed done call and
dnl # used it to retire the put_link() interface.
dnl #
AC_MSG_CHECKING([whether iops->get_link() passes delayed])
ZFS_LINUX_TEST_RESULT([inode_operations_get_link], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GET_LINK_DELAYED, 1, [iops->get_link() delayed])
],[
AC_MSG_RESULT(no)
dnl #
dnl # 4.2 API change
dnl # This kernel retired the nameidata structure.
dnl #
AC_MSG_CHECKING(
[whether iops->follow_link() passes cookie])
ZFS_LINUX_TEST_RESULT([inode_operations_follow_link], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_FOLLOW_LINK_COOKIE, 1,
[iops->follow_link() cookie])
],[
AC_MSG_RESULT(no)
ZFS_LINUX_TEST_ERROR([get_link])
])
])
])

2
config/kernel.m4
View File

@ -79,7 +79,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_LOOKUP_FLAGS
ZFS_AC_KERNEL_SRC_CREATE
ZFS_AC_KERNEL_SRC_PERMISSION
ZFS_AC_KERNEL_SRC_GET_LINK
ZFS_AC_KERNEL_SRC_PUT_LINK
ZFS_AC_KERNEL_SRC_TMPFILE
ZFS_AC_KERNEL_SRC_AUTOMOUNT
@ -212,7 +211,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_LOOKUP_FLAGS
ZFS_AC_KERNEL_CREATE
ZFS_AC_KERNEL_PERMISSION
ZFS_AC_KERNEL_GET_LINK
ZFS_AC_KERNEL_PUT_LINK
ZFS_AC_KERNEL_TMPFILE
ZFS_AC_KERNEL_AUTOMOUNT

35
module/os/linux/zfs/zpl_inode.c
View File

@ -691,7 +691,6 @@ zpl_get_link_common(struct dentry *dentry, struct inode *ip, char **link)
return (error);
}
#if defined(HAVE_GET_LINK_DELAYED)
static const char *
zpl_get_link(struct dentry *dentry, struct inode *inode,
struct delayed_call *done)
@ -710,36 +709,6 @@ zpl_get_link(struct dentry *dentry, struct inode *inode,
return (link);
}
#elif defined(HAVE_GET_LINK_COOKIE)
static const char *
zpl_get_link(struct dentry *dentry, struct inode *inode, void **cookie)
{
char *link = NULL;
int error;
if (!dentry)
return (ERR_PTR(-ECHILD));
error = zpl_get_link_common(dentry, inode, &link);
if (error)
return (ERR_PTR(error));
return (*cookie = link);
}
#elif defined(HAVE_FOLLOW_LINK_COOKIE)
static const char *
zpl_follow_link(struct dentry *dentry, void **cookie)
{
char *link = NULL;
int error;
error = zpl_get_link_common(dentry, dentry->d_inode, &link);
if (error)
return (ERR_PTR(error));
return (*cookie = link);
}
#endif
static int
zpl_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
@ -835,11 +804,7 @@ const struct inode_operations zpl_symlink_inode_operations = {
#ifdef HAVE_GENERIC_READLINK
.readlink = generic_readlink,
#endif
#if defined(HAVE_GET_LINK_DELAYED) || defined(HAVE_GET_LINK_COOKIE)
.get_link = zpl_get_link,
#elif defined(HAVE_FOLLOW_LINK_COOKIE)
.follow_link = zpl_follow_link,
#endif
#if defined(HAVE_PUT_LINK_COOKIE)
.put_link = zpl_put_link,
#endif