40 	struct posix_acl *acl = ACCESS_ONCE(*p);  in get_cached_acl()  local
41 	if (acl) {  in get_cached_acl()
43 		acl = *p;  in get_cached_acl()
44 		if (acl != ACL_NOT_CACHED)  in get_cached_acl()
45 			acl = posix_acl_dup(acl);  in get_cached_acl()
48 	return acl;  in get_cached_acl()
58 void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl)  in set_cached_acl()  argument
64 	rcu_assign_pointer(*p, posix_acl_dup(acl));  in set_cached_acl()
101 	struct posix_acl *acl;  in get_acl()  local
103 	acl = get_cached_acl(inode, type);  in get_acl()
104 	if (acl != ACL_NOT_CACHED)  in get_acl()
105 		return acl;  in get_acl()
130 posix_acl_init(struct posix_acl *acl, int count)  in posix_acl_init()  argument
132 	atomic_set(&acl->a_refcount, 1);  in posix_acl_init()
133 	acl->a_count = count;  in posix_acl_init()
145 	struct posix_acl *acl = kmalloc(size, flags);  in posix_acl_alloc()  local
146 	if (acl)  in posix_acl_alloc()
147 		posix_acl_init(acl, count);  in posix_acl_alloc()
148 	return acl;  in posix_acl_alloc()
156 posix_acl_clone(const struct posix_acl *acl, gfp_t flags)  in posix_acl_clone()  argument
160 	if (acl) {  in posix_acl_clone()
161 		int size = sizeof(struct posix_acl) + acl->a_count *  in posix_acl_clone()
163 		clone = kmemdup(acl, size, flags);  in posix_acl_clone()
174 posix_acl_valid(const struct posix_acl *acl)  in posix_acl_valid()  argument
180 	FOREACH_ACL_ENTRY(pa, acl, pe) {  in posix_acl_valid()
243 posix_acl_equiv_mode(const struct posix_acl *acl, umode_t *mode_p)  in posix_acl_equiv_mode()  argument
252 	if (!acl)  in posix_acl_equiv_mode()
255 	FOREACH_ACL_ENTRY(pa, acl, pe) {  in posix_acl_equiv_mode()
291 	struct posix_acl *acl = posix_acl_alloc(3, flags);  in posix_acl_from_mode()  local
292 	if (!acl)  in posix_acl_from_mode()
295 	acl->a_entries[0].e_tag  = ACL_USER_OBJ;  in posix_acl_from_mode()
296 	acl->a_entries[0].e_perm = (mode & S_IRWXU) >> 6;  in posix_acl_from_mode()
298 	acl->a_entries[1].e_tag  = ACL_GROUP_OBJ;  in posix_acl_from_mode()
299 	acl->a_entries[1].e_perm = (mode & S_IRWXG) >> 3;  in posix_acl_from_mode()
301 	acl->a_entries[2].e_tag  = ACL_OTHER;  in posix_acl_from_mode()
302 	acl->a_entries[2].e_perm = (mode & S_IRWXO);  in posix_acl_from_mode()
303 	return acl;  in posix_acl_from_mode()
312 posix_acl_permission(struct inode *inode, const struct posix_acl *acl, int want)  in posix_acl_permission()  argument
319 	FOREACH_ACL_ENTRY(pa, acl, pe) {  in posix_acl_permission()
380 static int posix_acl_create_masq(struct posix_acl *acl, umode_t *mode_p)  in posix_acl_create_masq()  argument
389 	FOREACH_ACL_ENTRY(pa, acl, pe) {  in posix_acl_create_masq()
437 static int __posix_acl_chmod_masq(struct posix_acl *acl, umode_t mode)  in __posix_acl_chmod_masq()  argument
444 	FOREACH_ACL_ENTRY(pa, acl, pe) {  in __posix_acl_chmod_masq()
483 __posix_acl_create(struct posix_acl **acl, gfp_t gfp, umode_t *mode_p)  in __posix_acl_create()  argument
485 	struct posix_acl *clone = posix_acl_clone(*acl, gfp);  in __posix_acl_create()
494 	posix_acl_release(*acl);  in __posix_acl_create()
495 	*acl = clone;  in __posix_acl_create()
501 __posix_acl_chmod(struct posix_acl **acl, gfp_t gfp, umode_t mode)  in __posix_acl_chmod()  argument
503 	struct posix_acl *clone = posix_acl_clone(*acl, gfp);  in __posix_acl_chmod()
512 	posix_acl_release(*acl);  in __posix_acl_chmod()
513 	*acl = clone;  in __posix_acl_chmod()
521 	struct posix_acl *acl;  in posix_acl_chmod()  local
529 	acl = get_acl(inode, ACL_TYPE_ACCESS);  in posix_acl_chmod()
530 	if (IS_ERR_OR_NULL(acl)) {  in posix_acl_chmod()
531 		if (acl == ERR_PTR(-EOPNOTSUPP))  in posix_acl_chmod()
533 		return PTR_ERR(acl);  in posix_acl_chmod()
536 	ret = __posix_acl_chmod(&acl, GFP_KERNEL, mode);  in posix_acl_chmod()
539 	ret = inode->i_op->set_acl(inode, acl, ACL_TYPE_ACCESS);  in posix_acl_chmod()
540 	posix_acl_release(acl);  in posix_acl_chmod()
547 		struct posix_acl **default_acl, struct posix_acl **acl)  in posix_acl_create()  argument
553 	*acl = NULL;  in posix_acl_create()
578 		*acl = clone;  in posix_acl_create()
663 	struct posix_acl *acl;  in posix_acl_from_xattr()  local
679 	acl = posix_acl_alloc(count, GFP_NOFS);  in posix_acl_from_xattr()
680 	if (!acl)  in posix_acl_from_xattr()
682 	acl_e = acl->a_entries;  in posix_acl_from_xattr()
714 	return acl;  in posix_acl_from_xattr()
717 	posix_acl_release(acl);  in posix_acl_from_xattr()
726 posix_acl_to_xattr(struct user_namespace *user_ns, const struct posix_acl *acl,  in posix_acl_to_xattr()  argument
733 	real_size = posix_acl_xattr_size(acl->a_count);  in posix_acl_to_xattr()
742 	for (n=0; n < acl->a_count; n++, ext_entry++) {  in posix_acl_to_xattr()
743 		const struct posix_acl_entry *acl_e = &acl->a_entries[n];  in posix_acl_to_xattr()
769 	struct posix_acl *acl;  in posix_acl_xattr_get()  local
779 	acl = get_acl(d_backing_inode(dentry), handler->flags);  in posix_acl_xattr_get()
780 	if (IS_ERR(acl))  in posix_acl_xattr_get()
781 		return PTR_ERR(acl);  in posix_acl_xattr_get()
782 	if (acl == NULL)  in posix_acl_xattr_get()
785 	error = posix_acl_to_xattr(&init_user_ns, acl, value, size);  in posix_acl_xattr_get()
786 	posix_acl_release(acl);  in posix_acl_xattr_get()
797 	struct posix_acl *acl = NULL;  in posix_acl_xattr_set()  local
813 		acl = posix_acl_from_xattr(&init_user_ns, value, size);  in posix_acl_xattr_set()
814 		if (IS_ERR(acl))  in posix_acl_xattr_set()
815 			return PTR_ERR(acl);  in posix_acl_xattr_set()
817 		if (acl) {  in posix_acl_xattr_set()
818 			ret = posix_acl_valid(acl);  in posix_acl_xattr_set()
824 	ret = inode->i_op->set_acl(inode, acl, handler->flags);  in posix_acl_xattr_set()
826 	posix_acl_release(acl);  in posix_acl_xattr_set()
865 int simple_set_acl(struct inode *inode, struct posix_acl *acl, int type)  in simple_set_acl()  argument
870 		error = posix_acl_equiv_mode(acl, &inode->i_mode);  in simple_set_acl()
874 			acl = NULL;  in simple_set_acl()
878 	set_cached_acl(inode, type, acl);  in simple_set_acl()
884 	struct posix_acl *default_acl, *acl;  in simple_acl_create()  local
887 	error = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);  in simple_acl_create()
892 	set_cached_acl(inode, ACL_TYPE_ACCESS, acl);  in simple_acl_create()
896 	if (acl)  in simple_acl_create()
897 		posix_acl_release(acl);  in simple_acl_create()