1 /*
2 * Copyright (C) 2021 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.
3 *
4 * This file is part of MooseFS.
5 *
6 * MooseFS is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, version 2 (only).
9 *
10 * MooseFS is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with MooseFS; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
18 * or visit http://www.gnu.org/licenses/gpl-2.0.html
19 */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <inttypes.h>
26
27 #include "mastercomm.h"
28 #include "portable.h"
29 #include "MFSCommunication.h"
30
do_truncate(uint32_t inode,uint8_t flags,uint32_t uid,uint32_t gids,uint32_t * gid,uint64_t attrlength,uint8_t attr[ATTR_RECORD_SIZE],uint64_t * prevlength)31 uint8_t do_truncate(uint32_t inode,uint8_t flags,uint32_t uid,uint32_t gids,uint32_t *gid,uint64_t attrlength,uint8_t attr[ATTR_RECORD_SIZE],uint64_t *prevlength) {
32 uint8_t status;
33 uint32_t trycnt;
34 trycnt = 0;
35 while (1) {
36 status = fs_truncate(inode,flags,uid,gids,gid,attrlength,attr,prevlength);
37 if (status==MFS_STATUS_OK || status==MFS_ERROR_EROFS || status==MFS_ERROR_EACCES || status==MFS_ERROR_EPERM || status==MFS_ERROR_ENOENT || status==MFS_ERROR_QUOTA || status==MFS_ERROR_NOSPACE || status==MFS_ERROR_CHUNKLOST) {
38 break;
39 } else if (status!=MFS_ERROR_LOCKED) {
40 trycnt++;
41 if (trycnt>=30) {
42 break;
43 }
44 portable_usleep(1000+((trycnt<30)?((trycnt-1)*300000):10000000));
45 } else {
46 portable_usleep(10000);
47 }
48 }
49 return status;
50 }
51