37 static struct kernfs_iattrs *kernfs_iattrs(struct kernfs_node *kn)  in kernfs_iattrs()  argument
45 	if (kn->iattr)  in kernfs_iattrs()
48 	kn->iattr = kzalloc(sizeof(struct kernfs_iattrs), GFP_KERNEL);  in kernfs_iattrs()
49 	if (!kn->iattr)  in kernfs_iattrs()
51 	iattrs = &kn->iattr->ia_iattr;  in kernfs_iattrs()
54 	iattrs->ia_mode = kn->mode;  in kernfs_iattrs()
59 	simple_xattrs_init(&kn->iattr->xattrs);  in kernfs_iattrs()
61 	ret = kn->iattr;  in kernfs_iattrs()
66 static int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)  in __kernfs_setattr()  argument
72 	attrs = kernfs_iattrs(kn);  in __kernfs_setattr()
90 		iattrs->ia_mode = kn->mode = mode;  in __kernfs_setattr()
102 int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)  in kernfs_setattr()  argument
107 	ret = __kernfs_setattr(kn, iattr);  in kernfs_setattr()
115 	struct kernfs_node *kn = dentry->d_fsdata;  in kernfs_iop_setattr()  local
118 	if (!kn)  in kernfs_iop_setattr()
126 	error = __kernfs_setattr(kn, iattr);  in kernfs_iop_setattr()
138 static int kernfs_node_setsecdata(struct kernfs_node *kn, void **secdata,  in kernfs_node_setsecdata()  argument
145 	attrs = kernfs_iattrs(kn);  in kernfs_node_setsecdata()
163 	struct kernfs_node *kn = dentry->d_fsdata;  in kernfs_iop_setxattr()  local
169 	attrs = kernfs_iattrs(kn);  in kernfs_iop_setxattr()
185 		error = kernfs_node_setsecdata(kn, &secdata, &secdata_len);  in kernfs_iop_setxattr()
201 	struct kernfs_node *kn = dentry->d_fsdata;  in kernfs_iop_removexattr()  local
204 	attrs = kernfs_iattrs(kn);  in kernfs_iop_removexattr()
214 	struct kernfs_node *kn = dentry->d_fsdata;  in kernfs_iop_getxattr()  local
217 	attrs = kernfs_iattrs(kn);  in kernfs_iop_getxattr()
226 	struct kernfs_node *kn = dentry->d_fsdata;  in kernfs_iop_listxattr()  local
229 	attrs = kernfs_iattrs(kn);  in kernfs_iop_listxattr()
251 static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode)  in kernfs_refresh_inode()  argument
253 	struct kernfs_iattrs *attrs = kn->iattr;  in kernfs_refresh_inode()
255 	inode->i_mode = kn->mode;  in kernfs_refresh_inode()
266 	if (kernfs_type(kn) == KERNFS_DIR)  in kernfs_refresh_inode()
267 		set_nlink(inode, kn->dir.subdirs + 2);  in kernfs_refresh_inode()
273 	struct kernfs_node *kn = dentry->d_fsdata;  in kernfs_iop_getattr()  local
277 	kernfs_refresh_inode(kn, inode);  in kernfs_iop_getattr()
284 static void kernfs_init_inode(struct kernfs_node *kn, struct inode *inode)  in kernfs_init_inode()  argument
286 	kernfs_get(kn);  in kernfs_init_inode()
287 	inode->i_private = kn;  in kernfs_init_inode()
291 	set_default_inode_attr(inode, kn->mode);  in kernfs_init_inode()
292 	kernfs_refresh_inode(kn, inode);  in kernfs_init_inode()
295 	switch (kernfs_type(kn)) {  in kernfs_init_inode()
299 		if (kn->flags & KERNFS_EMPTY_DIR)  in kernfs_init_inode()
303 		inode->i_size = kn->attr.size;  in kernfs_init_inode()
331 struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)  in kernfs_get_inode()  argument
335 	inode = iget_locked(sb, kn->ino);  in kernfs_get_inode()
337 		kernfs_init_inode(kn, inode);  in kernfs_get_inode()
351 	struct kernfs_node *kn = inode->i_private;  in kernfs_evict_inode()  local
355 	kernfs_put(kn);  in kernfs_evict_inode()
360 	struct kernfs_node *kn;  in kernfs_iop_permission()  local
365 	kn = inode->i_private;  in kernfs_iop_permission()
368 	kernfs_refresh_inode(kn, inode);  in kernfs_iop_permission()