| dnl # |
| dnl # 2.6.39 API change, |
| dnl # The is_owner_or_cap() macro was renamed to inode_owner_or_capable(), |
| dnl # This is used for permission checks in the xattr and file attribute call |
| dnl # paths. |
| dnl # |
| dnl # 5.12 API change, |
| dnl # inode_owner_or_capable() now takes struct user_namespace * |
| dnl # to support idmapped mounts |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_OWNER_OR_CAPABLE], [ |
| ZFS_LINUX_TEST_SRC([inode_owner_or_capable], [ |
| #include <linux/fs.h> |
| ],[ |
| struct inode *ip = NULL; |
| (void) inode_owner_or_capable(ip); |
| ]) |
| |
| ZFS_LINUX_TEST_SRC([inode_owner_or_capable_userns], [ |
| #include <linux/fs.h> |
| ],[ |
| struct inode *ip = NULL; |
| (void) inode_owner_or_capable(&init_user_ns, ip); |
| ]) |
| |
| ZFS_LINUX_TEST_SRC([inode_owner_or_capable_mnt_idmap], [ |
| #include <linux/fs.h> |
| #include <linux/mnt_idmapping.h> |
| ],[ |
| struct inode *ip = NULL; |
| (void) inode_owner_or_capable(&nop_mnt_idmap, ip); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE], [ |
| AC_MSG_CHECKING([whether inode_owner_or_capable() exists]) |
| ZFS_LINUX_TEST_RESULT([inode_owner_or_capable], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1, |
| [inode_owner_or_capable() exists]) |
| ], [ |
| AC_MSG_RESULT(no) |
| |
| AC_MSG_CHECKING( |
| [whether inode_owner_or_capable() takes user_ns]) |
| ZFS_LINUX_TEST_RESULT([inode_owner_or_capable_userns], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE_USERNS, 1, |
| [inode_owner_or_capable() takes user_ns]) |
| ],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING( |
| [whether inode_owner_or_capable() takes mnt_idmap]) |
| ZFS_LINUX_TEST_RESULT([inode_owner_or_capable_mnt_idmap], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE_IDMAP, 1, |
| [inode_owner_or_capable() takes mnt_idmap]) |
| ], [ |
| ZFS_LINUX_TEST_ERROR([capability]) |
| ]) |
| ]) |
| ]) |
| ]) |