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linux 6.2 compat: zpl_set_acl arg2 is now struct dentry

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Linux 6.2 changes the second argument of the set_acl operation to be a
"struct dentry *" rather than a "struct inode *". The inode* parameter
is still available as dentry->d_inode, so adjust the call to the _impl
function call to dereference and pass that pointer to it.

Also document that the get_acl -> get_inode_acl member name change from
commit 884a693 was an API change also introduced in Linux 6.2.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by: Coleman Kane <ckane@colemankane.org>
Closes #14415
This commit is contained in:
Coleman Kane 2023-01-24 14:20:50 -05:00 committed by GitHub
parent 0f740a4f1d
commit 9cd71c8604
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 3 deletions
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27
config/kernel-acl.m4
View File

@ -165,6 +165,9 @@ dnl #
dnl # 5.15 API change,
dnl # Added the bool rcu argument to get_acl for rcu path walk.
dnl #
dnl # 6.2 API change,
dnl # get_acl() was renamed to get_inode_acl()
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_GET_ACL], [
ZFS_LINUX_TEST_SRC([inode_operations_get_acl], [
#include <linux/fs.h>
@ -230,7 +233,22 @@ dnl #
dnl # 5.12 API change,
dnl # set_acl() added a user_namespace* parameter first
dnl #
dnl # 6.2 API change,
dnl # set_acl() second paramter changed to a struct dentry *
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_SET_ACL], [
ZFS_LINUX_TEST_SRC([inode_operations_set_acl_userns_dentry], [
#include <linux/fs.h>
int set_acl_fn(struct user_namespace *userns,
struct dentry *dent, struct posix_acl *acl,
int type) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.set_acl = set_acl_fn,
};
],[])
ZFS_LINUX_TEST_SRC([inode_operations_set_acl_userns], [
#include <linux/fs.h>
@ -262,12 +280,19 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SET_ACL, 1, [iops->set_acl() exists])
AC_DEFINE(HAVE_SET_ACL_USERNS, 1, [iops->set_acl() takes 4 args])
],[
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl_userns_dentry], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SET_ACL, 1, [iops->set_acl() exists])
AC_DEFINE(HAVE_SET_ACL_USERNS_DENTRY_ARG2, 1,
[iops->set_acl() takes 4 args, arg2 is struct dentry *])
],[
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SET_ACL, 1, [iops->set_acl() exists, takes 3 args])
],[
AC_MSG_RESULT(no)
ZFS_LINUX_REQUIRE_API([i_op->set_acl()], [3.14])
])
])
])
])

3
include/os/linux/zfs/sys/zpl.h
View File

@ -71,6 +71,9 @@ extern int zpl_xattr_security_init(struct inode *ip, struct inode *dip,
#if defined(HAVE_SET_ACL_USERNS)
extern int zpl_set_acl(struct user_namespace *userns, struct inode *ip,
struct posix_acl *acl, int type);
#elif defined(HAVE_SET_ACL_USERNS_DENTRY_ARG2)
extern int zpl_set_acl(struct user_namespace *userns, struct dentry *dentry,
struct posix_acl *acl, int type);
#else
extern int zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type);
#endif /* HAVE_SET_ACL_USERNS */

7
module/os/linux/zfs/zpl_xattr.c
View File

@ -1061,11 +1061,18 @@ int
#ifdef HAVE_SET_ACL_USERNS
zpl_set_acl(struct user_namespace *userns, struct inode *ip,
struct posix_acl *acl, int type)
#elif defined(HAVE_SET_ACL_USERNS_DENTRY_ARG2)
zpl_set_acl(struct user_namespace *userns, struct dentry *dentry,
struct posix_acl *acl, int type)
#else
zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type)
#endif /* HAVE_SET_ACL_USERNS */
{
#ifdef HAVE_SET_ACL_USERNS_DENTRY_ARG2
return (zpl_set_acl_impl(d_inode(dentry), acl, type));
#else
return (zpl_set_acl_impl(ip, acl, type));
#endif /* HAVE_SET_ACL_USERNS_DENTRY_ARG2 */
}
#endif /* HAVE_SET_ACL */