| dnl # |
| dnl # Check if posix_acl_release can be used from a ZFS_META_LICENSED |
| dnl # module. The is_owner_or_cap macro was replaced by |
| dnl # inode_owner_or_capable |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_RELEASE], [ |
| ZFS_LINUX_TEST_SRC([posix_acl_release], [ |
| #include <linux/cred.h> |
| #include <linux/fs.h> |
| #include <linux/posix_acl.h> |
| ], [ |
| struct posix_acl *tmp = posix_acl_alloc(1, 0); |
| posix_acl_release(tmp); |
| ], [], [ZFS_META_LICENSE]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_RELEASE], [ |
| AC_MSG_CHECKING([whether posix_acl_release() is available]) |
| ZFS_LINUX_TEST_RESULT([posix_acl_release], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_POSIX_ACL_RELEASE, 1, |
| [posix_acl_release() is available]) |
| |
| AC_MSG_CHECKING([whether posix_acl_release() is GPL-only]) |
| ZFS_LINUX_TEST_RESULT([posix_acl_release_license], [ |
| AC_MSG_RESULT(no) |
| ],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_POSIX_ACL_RELEASE_GPL_ONLY, 1, |
| [posix_acl_release() is GPL-only]) |
| ]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 3.14 API change, |
| dnl # set_cached_acl() and forget_cached_acl() changed from inline to |
| dnl # EXPORT_SYMBOL. In the former case, they may not be usable because of |
| dnl # posix_acl_release. In the latter case, we can always use them. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_SET_CACHED_ACL_USABLE], [ |
| ZFS_LINUX_TEST_SRC([set_cached_acl], [ |
| #include <linux/cred.h> |
| #include <linux/fs.h> |
| #include <linux/posix_acl.h> |
| ], [ |
| struct inode *ip = NULL; |
| struct posix_acl *acl = posix_acl_alloc(1, 0); |
| set_cached_acl(ip, ACL_TYPE_ACCESS, acl); |
| forget_cached_acl(ip, ACL_TYPE_ACCESS); |
| ], [], [ZFS_META_LICENSE]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE], [ |
| AC_MSG_CHECKING([whether set_cached_acl() is usable]) |
| ZFS_LINUX_TEST_RESULT([set_cached_acl_license], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_SET_CACHED_ACL_USABLE, 1, |
| [set_cached_acl() is usable]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 3.1 API change, |
| dnl # posix_acl_chmod() was added as the preferred interface. |
| dnl # |
| dnl # 3.14 API change, |
| dnl # posix_acl_chmod() was changed to __posix_acl_chmod() |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_CHMOD], [ |
| ZFS_LINUX_TEST_SRC([posix_acl_chmod], [ |
| #include <linux/fs.h> |
| #include <linux/posix_acl.h> |
| ],[ |
| posix_acl_chmod(NULL, 0, 0) |
| ]) |
| |
| ZFS_LINUX_TEST_SRC([__posix_acl_chmod], [ |
| #include <linux/fs.h> |
| #include <linux/posix_acl.h> |
| ],[ |
| __posix_acl_chmod(NULL, 0, 0) |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_CHMOD], [ |
| AC_MSG_CHECKING([whether __posix_acl_chmod exists]) |
| ZFS_LINUX_TEST_RESULT([__posix_acl_chmod], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE___POSIX_ACL_CHMOD, 1, |
| [__posix_acl_chmod() exists]) |
| ],[ |
| AC_MSG_RESULT(no) |
| |
| AC_MSG_CHECKING([whether posix_acl_chmod exists]) |
| ZFS_LINUX_TEST_RESULT([posix_acl_chmod], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_POSIX_ACL_CHMOD, 1, |
| [posix_acl_chmod() exists]) |
| ],[ |
| ZFS_LINUX_TEST_ERROR([posix_acl_chmod()]) |
| ]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 3.1 API change, |
| dnl # posix_acl_equiv_mode now wants an umode_t instead of a mode_t |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T], [ |
| ZFS_LINUX_TEST_SRC([posix_acl_equiv_mode], [ |
| #include <linux/fs.h> |
| #include <linux/posix_acl.h> |
| ],[ |
| umode_t tmp; |
| posix_acl_equiv_mode(NULL, &tmp); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T], [ |
| AC_MSG_CHECKING([whether posix_acl_equiv_mode() wants umode_t]) |
| ZFS_LINUX_TEST_RESULT([posix_acl_equiv_mode], [ |
| AC_MSG_RESULT(yes) |
| ],[ |
| ZFS_LINUX_TEST_ERROR([posix_acl_equiv_mode()]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 4.8 API change, |
| dnl # The function posix_acl_valid now must be passed a namespace. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_VALID_WITH_NS], [ |
| ZFS_LINUX_TEST_SRC([posix_acl_valid_with_ns], [ |
| #include <linux/fs.h> |
| #include <linux/posix_acl.h> |
| ],[ |
| struct user_namespace *user_ns = NULL; |
| const struct posix_acl *acl = NULL; |
| int error; |
| |
| error = posix_acl_valid(user_ns, acl); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS], [ |
| AC_MSG_CHECKING([whether posix_acl_valid() wants user namespace]) |
| ZFS_LINUX_TEST_RESULT([posix_acl_valid_with_ns], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_POSIX_ACL_VALID_WITH_NS, 1, |
| [posix_acl_valid() wants user namespace]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 3.1 API change, |
| dnl # Check if inode_operations contains the function get_acl |
| 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> |
| |
| struct posix_acl *get_acl_fn(struct inode *inode, int type) |
| { return NULL; } |
| |
| static const struct inode_operations |
| iops __attribute__ ((unused)) = { |
| .get_acl = get_acl_fn, |
| }; |
| ],[]) |
| |
| ZFS_LINUX_TEST_SRC([inode_operations_get_acl_rcu], [ |
| #include <linux/fs.h> |
| |
| struct posix_acl *get_acl_fn(struct inode *inode, int type, |
| bool rcu) { return NULL; } |
| |
| static const struct inode_operations |
| iops __attribute__ ((unused)) = { |
| .get_acl = get_acl_fn, |
| }; |
| ],[]) |
| |
| ZFS_LINUX_TEST_SRC([inode_operations_get_inode_acl], [ |
| #include <linux/fs.h> |
| |
| struct posix_acl *get_inode_acl_fn(struct inode *inode, int type, |
| bool rcu) { return NULL; } |
| |
| static const struct inode_operations |
| iops __attribute__ ((unused)) = { |
| .get_inode_acl = get_inode_acl_fn, |
| }; |
| ],[]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL], [ |
| AC_MSG_CHECKING([whether iops->get_acl() exists]) |
| ZFS_LINUX_TEST_RESULT([inode_operations_get_acl], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GET_ACL, 1, [iops->get_acl() exists]) |
| ],[ |
| ZFS_LINUX_TEST_RESULT([inode_operations_get_acl_rcu], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GET_ACL_RCU, 1, [iops->get_acl() takes rcu]) |
| ],[ |
| ZFS_LINUX_TEST_RESULT([inode_operations_get_inode_acl], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GET_INODE_ACL, 1, [has iops->get_inode_acl()]) |
| ],[ |
| ZFS_LINUX_TEST_ERROR([iops->get_acl() or iops->get_inode_acl()]) |
| ]) |
| ]) |
| ]) |
| ]) |
| |
| 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 # |
| 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> |
| |
| 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> |
| |
| 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> |
| |
| int set_acl_fn(struct inode *inode, struct posix_acl *acl, |
| int type) { return 0; } |
| |
| static const struct inode_operations |
| iops __attribute__ ((unused)) = { |
| .set_acl = set_acl_fn, |
| }; |
| ],[]) |
| ]) |
| |
| 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_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]) |
| ],[ |
| 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_IDMAP_DENTRY, 1, |
| [iops->set_acl() takes 4 args, arg1 is struct mnt_idmap *]) |
| ],[ |
| 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]) |
| ],[ |
| ZFS_LINUX_REQUIRE_API([i_op->set_acl()], [3.14]) |
| ]) |
| ]) |
| ]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 4.7 API change, |
| dnl # The kernel get_acl will now check cache before calling i_op->get_acl and |
| dnl # do set_cached_acl after that, so i_op->get_acl don't need to do that |
| dnl # anymore. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_GET_ACL_HANDLE_CACHE], [ |
| ZFS_LINUX_TEST_SRC([get_acl_handle_cache], [ |
| #include <linux/fs.h> |
| ],[ |
| void *sentinel __attribute__ ((unused)) = |
| uncached_acl_sentinel(NULL); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE], [ |
| AC_MSG_CHECKING([whether uncached_acl_sentinel() exists]) |
| ZFS_LINUX_TEST_RESULT([get_acl_handle_cache], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_KERNEL_GET_ACL_HANDLE_CACHE, 1, |
| [uncached_acl_sentinel() exists]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 4.16 kernel: check if struct posix_acl acl.a_refcount is a refcount_t. |
| dnl # It's an atomic_t on older kernels. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_ACL_HAS_REFCOUNT], [ |
| ZFS_LINUX_TEST_SRC([acl_refcount], [ |
| #include <linux/backing-dev.h> |
| #include <linux/refcount.h> |
| #include <linux/posix_acl.h> |
| ],[ |
| struct posix_acl acl; |
| refcount_t *r __attribute__ ((unused)) = &acl.a_refcount; |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_ACL_HAS_REFCOUNT], [ |
| AC_MSG_CHECKING([whether posix_acl has refcount_t]) |
| ZFS_LINUX_TEST_RESULT([acl_refcount], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_ACL_REFCOUNT, 1, [posix_acl has refcount_t]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_ACL], [ |
| ZFS_AC_KERNEL_SRC_POSIX_ACL_RELEASE |
| ZFS_AC_KERNEL_SRC_SET_CACHED_ACL_USABLE |
| ZFS_AC_KERNEL_SRC_POSIX_ACL_CHMOD |
| ZFS_AC_KERNEL_SRC_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T |
| ZFS_AC_KERNEL_SRC_POSIX_ACL_VALID_WITH_NS |
| ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_GET_ACL |
| ZFS_AC_KERNEL_SRC_INODE_OPERATIONS_SET_ACL |
| ZFS_AC_KERNEL_SRC_GET_ACL_HANDLE_CACHE |
| ZFS_AC_KERNEL_SRC_ACL_HAS_REFCOUNT |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_ACL], [ |
| ZFS_AC_KERNEL_POSIX_ACL_RELEASE |
| ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE |
| ZFS_AC_KERNEL_POSIX_ACL_CHMOD |
| ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T |
| ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS |
| ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL |
| ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL |
| ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE |
| ZFS_AC_KERNEL_ACL_HAS_REFCOUNT |
| ]) |