75 static struct inode *kernfs_fh_get_inode(struct super_block *sb,  in kernfs_fh_get_inode()  argument
78 	struct kernfs_super_info *info = kernfs_info(sb);  in kernfs_fh_get_inode()
88 	inode = kernfs_get_inode(sb, kn);  in kernfs_fh_get_inode()
101 static struct dentry *kernfs_fh_to_dentry(struct super_block *sb, struct fid *fid,  in kernfs_fh_to_dentry()  argument
104 	return generic_fh_to_dentry(sb, fid, fh_len, fh_type,  in kernfs_fh_to_dentry()
108 static struct dentry *kernfs_fh_to_parent(struct super_block *sb, struct fid *fid,  in kernfs_fh_to_parent()  argument
111 	return generic_fh_to_parent(sb, fid, fh_len, fh_type,  in kernfs_fh_to_parent()
135 struct kernfs_root *kernfs_root_from_sb(struct super_block *sb)  in kernfs_root_from_sb()  argument
137 	if (sb->s_op == &kernfs_sops)  in kernfs_root_from_sb()
138 		return kernfs_info(sb)->root;  in kernfs_root_from_sb()
173 				  struct super_block *sb)  in kernfs_node_dentry()  argument
178 	BUG_ON(sb->s_op != &kernfs_sops);  in kernfs_node_dentry()
180 	dentry = dget(sb->s_root);  in kernfs_node_dentry()
213 static int kernfs_fill_super(struct super_block *sb, struct kernfs_fs_context *kfc)  in kernfs_fill_super()  argument
215 	struct kernfs_super_info *info = kernfs_info(sb);  in kernfs_fill_super()
219 	info->sb = sb;  in kernfs_fill_super()
221 	sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;  in kernfs_fill_super()
222 	sb->s_blocksize = PAGE_SIZE;  in kernfs_fill_super()
223 	sb->s_blocksize_bits = PAGE_SHIFT;  in kernfs_fill_super()
224 	sb->s_magic = kfc->magic;  in kernfs_fill_super()
225 	sb->s_op = &kernfs_sops;  in kernfs_fill_super()
226 	sb->s_xattr = kernfs_xattr_handlers;  in kernfs_fill_super()
228 		sb->s_export_op = &kernfs_export_ops;  in kernfs_fill_super()
229 	sb->s_time_gran = 1;  in kernfs_fill_super()
232 	sb->s_shrink.seeks = 0;  in kernfs_fill_super()
236 	inode = kernfs_get_inode(sb, info->root->kn);  in kernfs_fill_super()
249 	sb->s_root = root;  in kernfs_fill_super()
250 	sb->s_d_op = &kernfs_dops;  in kernfs_fill_super()
254 static int kernfs_test_super(struct super_block *sb, struct fs_context *fc)  in kernfs_test_super()  argument
256 	struct kernfs_super_info *sb_info = kernfs_info(sb);  in kernfs_test_super()
262 static int kernfs_set_super(struct super_block *sb, struct fs_context *fc)  in kernfs_set_super()  argument
267 	return set_anon_super_fc(sb, fc);  in kernfs_set_super()
276 const void *kernfs_super_ns(struct super_block *sb)  in kernfs_super_ns()  argument
278 	struct kernfs_super_info *info = kernfs_info(sb);  in kernfs_super_ns()
295 	struct super_block *sb;  in kernfs_get_tree()  local
308 	sb = sget_fc(fc, kernfs_test_super, kernfs_set_super);  in kernfs_get_tree()
309 	if (IS_ERR(sb))  in kernfs_get_tree()
310 		return PTR_ERR(sb);  in kernfs_get_tree()
312 	if (!sb->s_root) {  in kernfs_get_tree()
313 		struct kernfs_super_info *info = kernfs_info(sb);  in kernfs_get_tree()
317 		error = kernfs_fill_super(sb, kfc);  in kernfs_get_tree()
319 			deactivate_locked_super(sb);  in kernfs_get_tree()
322 		sb->s_flags |= SB_ACTIVE;  in kernfs_get_tree()
329 	fc->root = dget(sb->s_root);  in kernfs_get_tree()
348 void kernfs_kill_sb(struct super_block *sb)  in kernfs_kill_sb()  argument
350 	struct kernfs_super_info *info = kernfs_info(sb);  in kernfs_kill_sb()
360 	kill_anon_super(sb);  in kernfs_kill_sb()