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Linux 6.3 compat: idmapped mount API changes

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Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap 
type for mounts (struct mnt_idmap), we need to detect these changes 
and make zfs work with the new APIs.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Youzhong Yang <yyang@mathworks.com>
Closes #14682
This commit is contained in:
youzhongyang
2023-04-10 17:15:36 -04:00
committed by GitHub
parent d0cbd9feaf
commit d4dc53dad2
40 changed files with 823 additions and 296 deletions
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config/kernel-acl.m4
+28 -6
View File
@@ -236,7 +236,22 @@ dnl #
dnl # 6.2 API change,
dnl # set_acl() second paramter changed to a struct dentry *
dnl #
dnl # 6.3 API change,
dnl # set_acl() first parameter changed to struct mnt_idmap *
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_SET_ACL], [
ZFS_LINUX_TEST_SRC([inode_operations_set_acl_mnt_idmap_dentry], [
#include <linux/fs.h>
int set_acl_fn(struct mnt_idmap *idmap,
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_dentry], [
#include <linux/fs.h>
@@ -281,17 +296,24 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL], [
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], [
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl_mnt_idmap_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 *])
AC_DEFINE(HAVE_SET_ACL_IDMAP_DENTRY, 1,
[iops->set_acl() takes 4 args, arg1 is struct mnt_idmap *])
],[
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl], [
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl_userns_dentry], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SET_ACL, 1, [iops->set_acl() exists, takes 3 args])
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_REQUIRE_API([i_op->set_acl()], [3.14])
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])
],[
ZFS_LINUX_REQUIRE_API([i_op->set_acl()], [3.14])
])
])
])
])