37 static bool is_free(struct dirfile_entry *dent)  in is_free()  argument
39 	assert(dent->oidlen || !dent->oid[0] || dent->oid[0] == OID_EMPTY_NAME);  in is_free()
41 	return !dent->oidlen && !dent->oid[0];  in is_free()
97 			    struct dirfile_entry *dent)  in read_dent()  argument
102 	l = sizeof(*dent);  in read_dent()
104 			       dent, &l);  in read_dent()
105 	if (!res && l != sizeof(*dent))  in read_dent()
112 			     struct dirfile_entry *dent)  in write_dent()  argument
116 	res = dirh->fops->write(dirh->fh, sizeof(*dent) * n, dent,  in write_dent()
117 				sizeof(*dent));  in write_dent()
141 		struct dirfile_entry dent = { };  in tee_fs_dirfile_open()  local
143 		res = read_dent(dirh, n, &dent);  in tee_fs_dirfile_open()
150 		if (is_free(&dent))  in tee_fs_dirfile_open()
153 		if (test_file(dirh, dent.file_number)) {  in tee_fs_dirfile_open()
155 			     dent.file_number);  in tee_fs_dirfile_open()
156 			memset(&dent, 0, sizeof(dent));  in tee_fs_dirfile_open()
157 			res = write_dent(dirh, n, &dent);  in tee_fs_dirfile_open()
163 		res = set_file(dirh, dent.file_number);  in tee_fs_dirfile_open()
216 	struct dirfile_entry dent = { };  in tee_fs_dirfile_find()  local
220 		res = read_dent(dirh, n, &dent);  in tee_fs_dirfile_find()
224 		if (is_free(&dent))  in tee_fs_dirfile_find()
226 		if (dent.oidlen != oidlen)  in tee_fs_dirfile_find()
229 		assert(test_file(dirh, dent.file_number));  in tee_fs_dirfile_find()
231 		if (!memcmp(&dent.uuid, uuid, sizeof(dent.uuid)) &&  in tee_fs_dirfile_find()
232 		    !memcmp(&dent.oid, oid, oidlen))  in tee_fs_dirfile_find()
238 		dfh->file_number = dent.file_number;  in tee_fs_dirfile_find()
239 		memcpy(dfh->hash, dent.hash, sizeof(dent.hash));  in tee_fs_dirfile_find()
247 	struct dirfile_entry dent = { };  in find_empty_idx()  local
252 		res = read_dent(dh, n, &dent);  in find_empty_idx()
257 		if (is_free(&dent))  in find_empty_idx()
292 	struct dirfile_entry dent = { };  in tee_fs_dirfile_rename()  local
294 	if (oidlen > sizeof(dent.oid))  in tee_fs_dirfile_rename()
296 	memset(&dent, 0, sizeof(dent));  in tee_fs_dirfile_rename()
297 	dent.uuid = *uuid;  in tee_fs_dirfile_rename()
299 		memcpy(dent.oid, oid, oidlen);  in tee_fs_dirfile_rename()
301 		dent.oid[0] = OID_EMPTY_NAME;  in tee_fs_dirfile_rename()
303 	dent.oidlen = oidlen;  in tee_fs_dirfile_rename()
304 	memcpy(dent.hash, dfh->hash, sizeof(dent.hash));  in tee_fs_dirfile_rename()
305 	dent.file_number = dfh->file_number;  in tee_fs_dirfile_rename()
320 	return write_dent(dirh, dfh->idx, &dent);  in tee_fs_dirfile_rename()
327 	struct dirfile_entry dent = { };  in tee_fs_dirfile_remove()  local
330 	res = read_dent(dirh, dfh->idx, &dent);  in tee_fs_dirfile_remove()
334 	if (is_free(&dent))  in tee_fs_dirfile_remove()
337 	file_number = dent.file_number;  in tee_fs_dirfile_remove()
341 	memset(&dent, 0, sizeof(dent));  in tee_fs_dirfile_remove()
342 	res = write_dent(dirh, dfh->idx, &dent);  in tee_fs_dirfile_remove()
353 	struct dirfile_entry dent = { };  in tee_fs_dirfile_update_hash()  local
355 	res = read_dent(dirh, dfh->idx, &dent);  in tee_fs_dirfile_update_hash()
358 	assert(dent.file_number == dfh->file_number);  in tee_fs_dirfile_update_hash()
359 	assert(test_file(dirh, dent.file_number));  in tee_fs_dirfile_update_hash()
361 	memcpy(&dent.hash, dfh->hash, sizeof(dent.hash));  in tee_fs_dirfile_update_hash()
363 	return write_dent(dirh, dfh->idx, &dent);  in tee_fs_dirfile_update_hash()
372 	struct dirfile_entry dent = { };  in tee_fs_dirfile_get_next()  local
378 		res = read_dent(dirh, i, &dent);  in tee_fs_dirfile_get_next()
381 		if (!memcmp(&dent.uuid, uuid, sizeof(dent.uuid)) &&  in tee_fs_dirfile_get_next()
382 		    !is_free(&dent))  in tee_fs_dirfile_get_next()
386 	if (*oidlen < dent.oidlen)  in tee_fs_dirfile_get_next()
389 	memcpy(oid, dent.oid, dent.oidlen);  in tee_fs_dirfile_get_next()
390 	*oidlen = dent.oidlen;  in tee_fs_dirfile_get_next()