89 	if (!fid->rdir)  in v9fs_alloc_rdir_buf()
90 		fid->rdir = kzalloc(sizeof(struct p9_rdir) + buflen, GFP_KERNEL);  in v9fs_alloc_rdir_buf()
91 	return fid->rdir;  in v9fs_alloc_rdir_buf()
108 	struct p9_rdir *rdir;  in v9fs_dir_readdir()  local
116 	rdir = v9fs_alloc_rdir_buf(file, buflen);  in v9fs_dir_readdir()
117 	if (!rdir)  in v9fs_dir_readdir()
119 	kvec.iov_base = rdir->buf;  in v9fs_dir_readdir()
123 		if (rdir->tail == rdir->head) {  in v9fs_dir_readdir()
134 			rdir->head = 0;  in v9fs_dir_readdir()
135 			rdir->tail = n;  in v9fs_dir_readdir()
137 		while (rdir->head < rdir->tail) {  in v9fs_dir_readdir()
138 			err = p9stat_read(fid->clnt, rdir->buf + rdir->head,  in v9fs_dir_readdir()
139 					  rdir->tail - rdir->head, &st);  in v9fs_dir_readdir()
151 			rdir->head += err;  in v9fs_dir_readdir()
168 	struct p9_rdir *rdir;  in v9fs_dir_readdir_dotl()  local
176 	rdir = v9fs_alloc_rdir_buf(file, buflen);  in v9fs_dir_readdir_dotl()
177 	if (!rdir)  in v9fs_dir_readdir_dotl()
181 		if (rdir->tail == rdir->head) {  in v9fs_dir_readdir_dotl()
182 			err = p9_client_readdir(fid, rdir->buf, buflen,  in v9fs_dir_readdir_dotl()
187 			rdir->head = 0;  in v9fs_dir_readdir_dotl()
188 			rdir->tail = err;  in v9fs_dir_readdir_dotl()
191 		while (rdir->head < rdir->tail) {  in v9fs_dir_readdir_dotl()
193 			err = p9dirent_read(fid->clnt, rdir->buf + rdir->head,  in v9fs_dir_readdir_dotl()
194 					    rdir->tail - rdir->head,  in v9fs_dir_readdir_dotl()
208 			rdir->head += err;  in v9fs_dir_readdir_dotl()