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Bend zpl_set_acl to permit the new userns* parameter

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Just like #12087, the set_acl signature changed with all the bolted-on
*userns parameters, which disabled set_acl usage, and caused #12076.

Turn zpl_set_acl into zpl_set_acl and zpl_set_acl_impl, and add a
new configure test for the new version.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
Closes #12076
Closes #12093
This commit is contained in:
Rich Ercolani
2021-05-27 11:55:49 -04:00
committed by Brian Behlendorf
parent 605b901ca6
commit 57e3b9c3cc
3 changed files with 51 additions and 14 deletions
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config/kernel-acl.m4
+23 -2
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@@ -189,7 +189,22 @@ dnl #
dnl # 3.14 API change,
dnl # Check if inode_operations contains the function set_acl
dnl #
dnl # 5.12 API change,
dnl # set_acl() added a user_namespace* parameter first
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_SET_ACL], [
ZFS_LINUX_TEST_SRC([inode_operations_set_acl_userns], [
#include <linux/fs.h>
int set_acl_fn(struct user_namespace *userns,
struct inode *inode, 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], [
#include <linux/fs.h>
@@ -205,11 +220,17 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_SET_ACL], [
AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL], [
AC_MSG_CHECKING([whether iops->set_acl() exists])
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl], [
ZFS_LINUX_TEST_RESULT([inode_operations_set_acl_userns], [
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])
],[
AC_MSG_RESULT(no)
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)
])
])
])