1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Lustre Light Super operations
6 * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
8 * This file is part of Lustre, http://www.lustre.org.
10 * Lustre is free software; you can redistribute it and/or
11 * modify it under the terms of version 2 of the GNU General Public
12 * License as published by the Free Software Foundation.
14 * Lustre is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with Lustre; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define DEBUG_SUBSYSTEM S_LLITE
26 #include <linux/module.h>
27 #include <linux/types.h>
28 #include <linux/random.h>
29 #include <linux/version.h>
30 #include <linux/seq_file.h>
32 #include <linux/lustre_lite.h>
33 #include <linux/lustre_ha.h>
34 #include <linux/lustre_dlm.h>
35 #include <linux/lprocfs_status.h>
36 #include <linux/lustre_acl.h>
37 #include <linux/lustre_sec.h>
38 #include "llite_internal.h"
40 kmem_cache_t *ll_file_data_slab;
41 kmem_cache_t *ll_intent_slab;
43 extern struct address_space_operations ll_aops;
44 extern struct address_space_operations ll_dir_aops;
47 #define log2(n) ffz(~(n))
50 struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
52 struct ll_sb_info *sbi = NULL;
56 OBD_ALLOC(sbi, sizeof(*sbi));
60 spin_lock_init(&sbi->ll_lock);
61 INIT_LIST_HEAD(&sbi->ll_pglist);
62 sbi->ll_pglist_gen = 0;
63 if (num_physpages < SBI_DEFAULT_RA_MAX / 4)
64 sbi->ll_ra_info.ra_max_pages = num_physpages / 4;
66 sbi->ll_ra_info.ra_max_pages = SBI_DEFAULT_RA_MAX;
67 INIT_LIST_HEAD(&sbi->ll_conn_chain);
68 INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list);
69 INIT_LIST_HEAD(&sbi->ll_mnt_list);
71 sema_init(&sbi->ll_gns_sem, 1);
72 spin_lock_init(&sbi->ll_gns_lock);
73 INIT_LIST_HEAD(&sbi->ll_gns_sbi_head);
74 init_waitqueue_head(&sbi->ll_gns_waitq);
75 init_completion(&sbi->ll_gns_mount_finished);
77 /* this later may be reset via /proc/fs/... */
78 memcpy(sbi->ll_gns_oname, ".mntinfo", strlen(".mntinfo"));
79 sbi->ll_gns_oname[strlen(sbi->ll_gns_oname)] = '\0';
81 /* this later may be reset via /proc/fs/... */
82 memcpy(sbi->ll_gns_upcall, "/usr/sbin/gns_upcall",
83 strlen("/usr/sbin/gns_upcall"));
84 sbi->ll_gns_upcall[strlen(sbi->ll_gns_upcall)] = '\0';
86 /* default values, may be changed via /proc/fs/... */
87 sbi->ll_gns_state = LL_GNS_IDLE;
88 sbi->ll_gns_pending_dentry = NULL;
89 atomic_set(&sbi->ll_gns_enabled, 1);
90 sbi->ll_gns_tick = GNS_TICK_TIMEOUT;
91 sbi->ll_gns_timeout = GNS_MOUNT_TIMEOUT;
93 sbi->ll_gns_timer.data = (unsigned long)sbi;
94 sbi->ll_gns_timer.function = ll_gns_timer_callback;
95 init_timer(&sbi->ll_gns_timer);
99 generate_random_uuid(uuid);
100 class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
104 void lustre_free_sbi(struct super_block *sb)
106 struct ll_sb_info *sbi = ll_s2sbi(sb);
110 list_del(&sbi->ll_gns_sbi_head);
111 del_timer(&sbi->ll_gns_timer);
112 OBD_FREE(sbi, sizeof(*sbi));
114 ll_set_sbi(sb, NULL);
118 int lustre_init_dt_desc(struct ll_sb_info *sbi)
124 valsize = sizeof(sbi->ll_dt_desc);
125 memset(&sbi->ll_dt_desc, 0, sizeof(sbi->ll_dt_desc));
126 rc = obd_get_info(sbi->ll_dt_exp, strlen("lovdesc") + 1,
127 "lovdesc", &valsize, &sbi->ll_dt_desc);
131 extern struct dentry_operations ll_d_ops;
133 int lustre_common_fill_super(struct super_block *sb, char *lmv, char *lov,
134 int async, char *mds_security, char *oss_security,
135 __u32 *nllu, int pag, __u64 *remote)
137 struct ll_sb_info *sbi = ll_s2sbi(sb);
138 struct ptlrpc_request *request = NULL;
139 struct lustre_handle dt_conn = {0, };
140 struct lustre_handle md_conn = {0, };
141 struct obd_connect_data *data;
142 struct inode *root = NULL;
143 struct obd_device *obd;
144 struct obd_statfs osfs;
146 unsigned long sec_flags;
151 obd = class_name2obd(lmv);
153 CERROR("MDC %s: not setup or attached\n", lmv);
156 obd_set_info(obd->obd_self_export, strlen("async"), "async",
157 sizeof(async), &async);
159 if ((*remote & (OBD_CONNECT_LOCAL | OBD_CONNECT_REMOTE)) ==
160 (OBD_CONNECT_LOCAL | OBD_CONNECT_REMOTE)) {
161 CERROR("wrong remote flag "LPX64"\n", *remote);
165 OBD_ALLOC(data, sizeof(*data));
169 data->ocd_connect_flags |= *remote & (OBD_CONNECT_LOCAL |
171 memcpy(data->ocd_nllu, nllu, sizeof(data->ocd_nllu));
173 if (mds_security == NULL)
174 mds_security = "null";
176 err = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
177 strlen(mds_security), mds_security);
179 CERROR("LMV %s: failed to set security %s, err %d\n",
180 lmv, mds_security, err);
181 OBD_FREE(data, sizeof(*data));
186 sec_flags = PTLRPC_SEC_FL_PAG;
187 err = obd_set_info(obd->obd_self_export,
188 strlen("sec_flags"), "sec_flags",
189 sizeof(sec_flags), &sec_flags);
191 OBD_FREE(data, sizeof(*data));
196 if (proc_lustre_fs_root) {
197 err = lprocfs_register_mountpoint(proc_lustre_fs_root,
200 CERROR("could not register mount in /proc/lustre");
203 err = obd_connect(&md_conn, obd, &sbi->ll_sb_uuid, data,
204 OBD_OPT_REAL_CLIENT);
206 CERROR("An MDS (lmv %s) is performing recovery, of which this"
207 " client is not a part. Please wait for recovery to "
208 "complete, abort, or time out.\n", lmv);
211 CERROR("cannot connect to %s: rc = %d\n", lmv, err);
214 sbi->ll_md_exp = class_conn2export(&md_conn);
215 err = obd_statfs(obd, &osfs, jiffies - HZ);
219 if (!osfs.os_bsize) {
220 CERROR("Invalid block size is detected.");
224 sb->s_magic = LL_SUPER_MAGIC;
225 sb->s_blocksize = osfs.os_bsize;
226 sb->s_blocksize_bits = log2(osfs.os_bsize);
227 sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
229 /* in 2.6.x FS is not allowed to form s_dev */
230 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
234 devno = get_uuid2int((char *)sbi->ll_md_exp->exp_obd->obd_uuid.uuid,
235 strlen((char *)sbi->ll_md_exp->exp_obd->obd_uuid.uuid));
241 /* after statfs, we are supposed to have connected to MDSs,
242 * so it's ok to check remote flag returned.
244 valsize = sizeof(&sbi->ll_remote);
245 err = obd_get_info(sbi->ll_md_exp, strlen("remote_flag"), "remote_flag",
246 &valsize, &sbi->ll_remote);
248 CERROR("fail to obtain remote flag\n");
252 obd = class_name2obd(lov);
254 CERROR("OSC %s: not setup or attached\n", lov);
257 obd_set_info(obd->obd_self_export, strlen("async"), "async",
258 sizeof(async), &async);
260 if (oss_security == NULL)
261 oss_security = "null";
263 err = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
264 strlen(oss_security), oss_security);
266 CERROR("LOV %s: failed to set security %s, err %d\n",
267 lov, oss_security, err);
268 OBD_FREE(data, sizeof(*data));
273 sec_flags = PTLRPC_SEC_FL_PAG;
274 err = obd_set_info(obd->obd_self_export,
275 strlen("sec_flags"), "sec_flags",
276 sizeof(sec_flags), &sec_flags);
278 OBD_FREE(data, sizeof(*data));
283 err = obd_connect(&dt_conn, obd, &sbi->ll_sb_uuid, data, 0);
285 CERROR("An OST (lov %s) is performing recovery, of which this"
286 " client is not a part. Please wait for recovery to "
287 "complete, abort, or time out.\n", lov);
290 CERROR("cannot connect to %s: rc = %d\n", lov, err);
293 sbi->ll_dt_exp = class_conn2export(&dt_conn);
295 err = lustre_init_dt_desc(sbi);
297 int mdsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
298 obd_init_ea_size(sbi->ll_md_exp, mdsize,
299 sbi->ll_dt_desc.ld_tgt_count *
300 sizeof(struct llog_cookie));
303 err = md_getstatus(sbi->ll_md_exp, &sbi->ll_rootid);
305 CERROR("cannot mds_connect: rc = %d\n", err);
308 CDEBUG(D_SUPER, "rootid "DLID4"\n", OLID4(&sbi->ll_rootid));
310 sb->s_op = &lustre_super_operations;
312 /* make root inode */
313 err = md_getattr(sbi->ll_md_exp, &sbi->ll_rootid,
314 (OBD_MD_FLNOTOBD | OBD_MD_FLBLOCKS | OBD_MD_FID),
315 NULL, NULL, 0, 0, &request);
317 CERROR("md_getattr failed for root: rc = %d\n", err);
321 err = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
322 sbi->ll_dt_exp, &md);
324 CERROR("failed to understand root inode md: rc = %d\n", err);
325 ptlrpc_req_finished(request);
329 LASSERT(id_ino(&sbi->ll_rootid) != 0);
330 root = ll_iget(sb, id_ino(&sbi->ll_rootid), &md);
332 ptlrpc_req_finished(request);
334 if (root == NULL || is_bad_inode(root)) {
336 obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
338 obd_free_memmd(sbi->ll_md_exp,
339 (struct lov_stripe_md**)&md.mea);
340 CERROR("lustre_lite: bad iget4 for root\n");
341 GOTO(out_root, err = -EBADF);
344 err = ll_close_thread_start(&sbi->ll_lcq);
346 CERROR("cannot start close thread: rc %d\n", err);
350 ll_gns_add_timer(sbi);
352 /* making vm readahead 0 for 2.4.x. In the case of 2.6.x,
353 backing dev info assigned to inode mapping is used for
354 determining maximal readahead. */
355 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) && \
356 !defined(KERNEL_HAS_AS_MAX_READAHEAD)
357 /* bug 2805 - set VM readahead to zero */
358 vm_max_readahead = vm_min_readahead = 0;
361 sb->s_root = d_alloc_root(root);
362 sb->s_root->d_op = &ll_d_ops;
364 sb->s_flags |= MS_POSIXACL;
366 CWARN("Enabling PDIROPS\n");
367 sb->s_flags |= S_PDIROPS;
371 OBD_FREE(data, sizeof(*data));
377 obd_disconnect(sbi->ll_dt_exp, 0);
379 obd_disconnect(sbi->ll_md_exp, 0);
382 OBD_FREE(data, sizeof(*data));
383 lprocfs_unregister_mountpoint(sbi);
387 void lustre_common_put_super(struct super_block *sb)
389 struct ll_sb_info *sbi = ll_s2sbi(sb);
390 struct hlist_node *tmp, *next;
393 ll_gns_del_timer(sbi);
394 ll_close_thread_shutdown(sbi->ll_lcq);
396 list_del(&sbi->ll_conn_chain);
397 obd_disconnect(sbi->ll_dt_exp, 0);
399 lprocfs_unregister_mountpoint(sbi);
400 if (sbi->ll_proc_root) {
401 lprocfs_remove(sbi->ll_proc_root);
402 sbi->ll_proc_root = NULL;
405 obd_disconnect(sbi->ll_md_exp, 0);
407 // We do this to get rid of orphaned dentries. That is not really trw.
408 hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) {
409 struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash);
410 CWARN("orphan dentry %.*s (%p->%p) at unmount\n",
411 dentry->d_name.len, dentry->d_name.name, dentry, next);
412 shrink_dcache_parent(dentry);
417 char *ll_read_opt(const char *opt, char *data)
423 CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
424 if (strncmp(opt, data, strlen(opt)))
426 if ((value = strchr(data, '=')) == NULL)
430 OBD_ALLOC(retval, strlen(value) + 1);
432 CERROR("out of memory!\n");
436 memcpy(retval, value, strlen(value)+1);
437 CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
441 int ll_set_opt(const char *opt, char *data, int fl)
445 CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
446 if (strncmp(opt, data, strlen(opt)))
452 void ll_options(char *options, char **lov, char **lmv, char **mds_sec,
453 char **oss_sec, int *async, int *flags)
456 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
457 char *opt_ptr = options;
467 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
468 for (this_char = strtok (options, ",");
470 this_char = strtok (NULL, ",")) {
472 while ((this_char = strsep (&opt_ptr, ",")) != NULL) {
474 CDEBUG(D_SUPER, "this_char %s\n", this_char);
475 if (!*lov && (*lov = ll_read_opt("osc", this_char)))
477 if (!*lmv && (*lmv = ll_read_opt("mdc", this_char)))
479 if (!strncmp(this_char, "lasync", strlen("lasync"))) {
483 if (!*mds_sec && (*mds_sec = ll_read_opt("mds_sec", this_char)))
485 if (!*oss_sec && (*oss_sec = ll_read_opt("oss_sec", this_char)))
487 if (!(*flags & LL_SBI_NOLCK) &&
488 ((*flags) = (*flags) |
489 ll_set_opt("nolock", this_char,
497 void ll_lli_init(struct ll_inode_info *lli)
499 sema_init(&lli->lli_open_sem, 1);
500 sema_init(&lli->lli_size_sem, 1);
502 lli->lli_size_pid = 0;
503 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
504 spin_lock_init(&lli->lli_lock);
505 INIT_LIST_HEAD(&lli->lli_pending_write_llaps);
506 INIT_LIST_HEAD(&lli->lli_close_item);
507 lli->lli_inode_magic = LLI_INODE_MAGIC;
508 memset(&lli->lli_id, 0, sizeof(lli->lli_id));
509 sema_init(&lli->lli_och_sem, 1);
510 lli->lli_mds_read_och = lli->lli_mds_write_och = NULL;
511 lli->lli_mds_exec_och = NULL;
512 lli->lli_open_fd_read_count = lli->lli_open_fd_write_count = 0;
513 lli->lli_open_fd_exec_count = 0;
516 int ll_fill_super(struct super_block *sb, void *data, int silent)
518 struct ll_sb_info *sbi;
521 char *mds_sec = NULL;
522 char *oss_sec = NULL;
524 __u32 nllu[2] = { NOBODY_UID, NOBODY_GID };
525 __u64 remote_flag = 0;
528 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
530 sbi = lustre_init_sbi(sb);
534 sbi->ll_flags |= LL_SBI_READAHEAD;
535 ll_options(data, &lov, &lmv, &mds_sec, &oss_sec,
536 &async, &sbi->ll_flags);
540 GOTO(out, err = -EINVAL);
545 GOTO(out, err = -EINVAL);
548 err = lustre_common_fill_super(sb, lmv, lov, async, mds_sec, oss_sec,
549 nllu, 0, &remote_flag);
556 OBD_FREE(lmv, strlen(lmv) + 1);
558 OBD_FREE(lov, strlen(lov) + 1);
560 OBD_FREE(mds_sec, strlen(mds_sec) + 1);
562 OBD_FREE(oss_sec, strlen(oss_sec) + 1);
565 } /* ll_read_super */
567 static int lustre_process_log(struct lustre_mount_data *lmd, char *profile,
568 struct config_llog_instance *cfg, int allow_recov)
570 struct lustre_cfg *lcfg = NULL;
571 struct lustre_cfg_bufs bufs;
572 struct portals_cfg pcfg;
573 char *peer = "MDS_PEER_UUID";
574 struct obd_device *obd;
575 struct lustre_handle md_conn = {0, };
576 struct obd_export *exp;
577 char *name = "mdc_dev";
579 struct obd_uuid lmv_uuid;
580 struct llog_ctxt *ctxt;
584 if (lmd_bad_magic(lmd))
587 generate_random_uuid(uuid);
588 class_uuid_unparse(uuid, &lmv_uuid);
590 if (lmd->lmd_local_nid) {
591 PCFG_INIT(pcfg, NAL_CMD_REGISTER_MYNID);
592 pcfg.pcfg_nal = lmd->lmd_nal;
593 pcfg.pcfg_nid = lmd->lmd_local_nid;
594 rc = libcfs_nal_cmd(&pcfg);
599 if (lmd->lmd_nal == SOCKNAL ||
600 lmd->lmd_nal == OPENIBNAL ||
601 lmd->lmd_nal == IIBNAL ||
602 lmd->lmd_nal == VIBNAL ||
603 lmd->lmd_nal == RANAL) {
604 PCFG_INIT(pcfg, NAL_CMD_ADD_PEER);
605 pcfg.pcfg_nal = lmd->lmd_nal;
606 pcfg.pcfg_nid = lmd->lmd_server_nid;
607 pcfg.pcfg_id = lmd->lmd_server_ipaddr;
608 pcfg.pcfg_misc = lmd->lmd_port;
609 rc = libcfs_nal_cmd(&pcfg);
613 lustre_cfg_bufs_reset(&bufs, name);
614 lustre_cfg_bufs_set_string(&bufs, 1, peer);
616 lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
617 lcfg->lcfg_nal = lmd->lmd_nal;
618 lcfg->lcfg_nid = lmd->lmd_server_nid;
619 LASSERT(lcfg->lcfg_nal);
620 LASSERT(lcfg->lcfg_nid);
621 err = class_process_config(lcfg);
622 lustre_cfg_free(lcfg);
624 GOTO(out_del_conn, err);
626 lustre_cfg_bufs_reset(&bufs, name);
627 lustre_cfg_bufs_set_string(&bufs, 1, OBD_MDC_DEVICENAME);
628 lustre_cfg_bufs_set_string(&bufs, 2, (char *)lmv_uuid.uuid);
630 lcfg = lustre_cfg_new(LCFG_ATTACH, &bufs);
631 err = class_process_config(lcfg);
632 lustre_cfg_free(lcfg);
634 GOTO(out_del_uuid, err);
636 lustre_cfg_bufs_reset(&bufs, name);
637 lustre_cfg_bufs_set_string(&bufs, 1, lmd->lmd_mds);
638 lustre_cfg_bufs_set_string(&bufs, 2, peer);
640 lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
641 err = class_process_config(lcfg);
642 lustre_cfg_free(lcfg);
644 GOTO(out_detach, err);
646 obd = class_name2obd(name);
648 GOTO(out_cleanup, rc = -EINVAL);
650 rc = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
651 strlen(lmd->lmd_mds_security), lmd->lmd_mds_security);
653 GOTO(out_cleanup, rc);
656 unsigned long sec_flags = PTLRPC_SEC_FL_PAG;
657 rc = obd_set_info(obd->obd_self_export,
658 strlen("sec_flags"), "sec_flags",
659 sizeof(sec_flags), &sec_flags);
661 GOTO(out_cleanup, rc);
664 /* Disable initial recovery on this import */
665 rc = obd_set_info(obd->obd_self_export,
666 strlen("initial_recov"), "initial_recov",
667 sizeof(allow_recov), &allow_recov);
669 GOTO(out_cleanup, rc);
671 rc = obd_connect(&md_conn, obd, &lmv_uuid, NULL, 0);
673 CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, rc);
674 GOTO(out_cleanup, rc);
677 exp = class_conn2export(&md_conn);
679 ctxt = llog_get_context(&exp->exp_obd->obd_llogs,LLOG_CONFIG_REPL_CTXT);
680 rc = class_config_process_llog(ctxt, profile, cfg);
682 CERROR("class_config_process_llog failed: rc = %d\n", rc);
684 err = obd_disconnect(exp, 0);
688 lustre_cfg_bufs_reset(&bufs, name);
689 lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
690 err = class_process_config(lcfg);
691 lustre_cfg_free(lcfg);
695 lustre_cfg_bufs_reset(&bufs, name);
696 lcfg = lustre_cfg_new(LCFG_DETACH, &bufs);
697 err = class_process_config(lcfg);
698 lustre_cfg_free(lcfg);
703 lustre_cfg_bufs_reset(&bufs, name);
704 lustre_cfg_bufs_set_string(&bufs, 1, peer);
705 lcfg = lustre_cfg_new(LCFG_DEL_UUID, &bufs);
706 err = class_process_config(lcfg);
707 lustre_cfg_free(lcfg);
710 if (lmd->lmd_nal == SOCKNAL ||
711 lmd->lmd_nal == OPENIBNAL ||
712 lmd->lmd_nal == IIBNAL ||
713 lmd->lmd_nal == VIBNAL ||
714 lmd->lmd_nal == RANAL) {
717 PCFG_INIT(pcfg, NAL_CMD_DEL_PEER);
718 pcfg.pcfg_nal = lmd->lmd_nal;
719 pcfg.pcfg_nid = lmd->lmd_server_nid;
720 pcfg.pcfg_flags = 1; /* single_share */
721 err2 = libcfs_nal_cmd(&pcfg);
734 static void lustre_manual_cleanup(struct ll_sb_info *sbi)
736 struct lustre_cfg *lcfg;
737 struct lustre_cfg_bufs bufs;
738 struct obd_device *obd;
741 while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
745 lustre_cfg_bufs_reset(&bufs, obd->obd_name);
746 lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
747 err = class_process_config(lcfg);
749 CERROR("cleanup failed: %s\n", obd->obd_name);
753 lcfg->lcfg_command = LCFG_DETACH;
754 err = class_process_config(lcfg);
755 lustre_cfg_free(lcfg);
757 CERROR("detach failed: %s\n", obd->obd_name);
762 if (sbi->ll_lmd != NULL)
763 class_del_profile(sbi->ll_lmd->lmd_profile);
766 int lustre_fill_super(struct super_block *sb, void *data, int silent)
768 struct lustre_mount_data * lmd = data;
769 char *lov = NULL, *lmv = NULL;
770 struct ll_sb_info *sbi;
774 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
775 if (lmd_bad_magic(lmd))
778 sbi = lustre_init_sbi(sb);
782 sbi->ll_flags |= LL_SBI_READAHEAD;
784 if (lmd->lmd_profile) {
785 struct lustre_profile *lprof;
786 struct config_llog_instance cfg;
789 if (lmd->lmd_mds[0] == '\0') {
790 CERROR("no mds name\n");
791 GOTO(out_free, err = -EINVAL);
793 lmd->lmd_mds_security[sizeof(lmd->lmd_mds_security) - 1] = 0;
794 lmd->lmd_oss_security[sizeof(lmd->lmd_oss_security) - 1] = 0;
796 OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
797 if (sbi->ll_lmd == NULL)
798 GOTO(out_free, err = -ENOMEM);
799 memcpy(sbi->ll_lmd, lmd, sizeof(*lmd));
801 /* generate a string unique to this super, let's try
802 the address of the super itself.*/
803 len = (sizeof(sb) * 2) + 1;
804 OBD_ALLOC(sbi->ll_instance, len);
805 if (sbi->ll_instance == NULL)
806 GOTO(out_free, err = -ENOMEM);
807 sprintf(sbi->ll_instance, "%p", sb);
809 cfg.cfg_instance = sbi->ll_instance;
810 cfg.cfg_uuid = sbi->ll_sb_uuid;
811 cfg.cfg_local_nid = lmd->lmd_local_nid;
812 err = lustre_process_log(lmd, lmd->lmd_profile, &cfg, 0);
814 CERROR("Unable to process log: %s\n", lmd->lmd_profile);
818 lprof = class_get_profile(lmd->lmd_profile);
820 CERROR("No profile found: %s\n", lmd->lmd_profile);
821 GOTO(out_free, err = -EINVAL);
824 OBD_FREE(lov, strlen(lov) + 1);
825 OBD_ALLOC(lov, strlen(lprof->lp_lov) +
826 strlen(sbi->ll_instance) + 2);
827 sprintf(lov, "%s-%s", lprof->lp_lov, sbi->ll_instance);
830 OBD_FREE(lmv, strlen(lmv) + 1);
831 OBD_ALLOC(lmv, strlen(lprof->lp_lmv) +
832 strlen(sbi->ll_instance) + 2);
833 sprintf(lmv, "%s-%s", lprof->lp_lmv, sbi->ll_instance);
838 GOTO(out_free, err = -EINVAL);
843 GOTO(out_free, err = -EINVAL);
846 err = lustre_common_fill_super(sb, lmv, lov, lmd->lmd_async,
847 lmd->lmd_mds_security,
848 lmd->lmd_oss_security,
849 &lmd->lmd_nllu, lmd->lmd_pag,
850 &lmd->lmd_remote_flag);
857 OBD_FREE(lmv, strlen(lmv) + 1);
859 OBD_FREE(lov, strlen(lov) + 1);
865 int len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean")+1;
868 if (sbi->ll_instance != NULL) {
869 struct lustre_mount_data *lmd = sbi->ll_lmd;
870 struct config_llog_instance cfg;
873 cfg.cfg_instance = sbi->ll_instance;
874 cfg.cfg_uuid = sbi->ll_sb_uuid;
876 OBD_ALLOC(cl_prof, len);
877 sprintf(cl_prof, "%s-clean", lmd->lmd_profile);
878 err = lustre_process_log(lmd, cl_prof, &cfg, 0);
880 CERROR("Unable to process log: %s\n", cl_prof);
881 lustre_manual_cleanup(sbi);
883 OBD_FREE(cl_prof, len);
884 OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance) + 1);
886 OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
890 } /* lustre_fill_super */
892 void lustre_put_super(struct super_block *sb)
894 struct obd_device *obd;
895 struct ll_sb_info *sbi = ll_s2sbi(sb);
896 int force_umount = 0;
899 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
900 obd = class_exp2obd(sbi->ll_md_exp);
902 force_umount = obd->obd_no_recov;
905 lustre_common_put_super(sb);
906 if (sbi->ll_lmd != NULL) {
908 int len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean")+1;
910 struct config_llog_instance cfg;
913 CERROR("force umount, doing manual cleanup\n");
914 lustre_manual_cleanup(sbi);
918 cfg.cfg_instance = sbi->ll_instance;
919 cfg.cfg_uuid = sbi->ll_sb_uuid;
921 OBD_ALLOC(cl_prof, len);
922 sprintf(cl_prof, "%s-clean", sbi->ll_lmd->lmd_profile);
923 err = lustre_process_log(sbi->ll_lmd, cl_prof, &cfg, 0);
925 CERROR("Unable to process log: %s, doing manual cleanup"
927 lustre_manual_cleanup(sbi);
930 OBD_FREE(cl_prof, len);
932 OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
933 OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance) + 1);
939 } /* lustre_put_super */
941 int ll_process_config_update(struct ll_sb_info *sbi, int clean)
943 struct lustre_mount_data *lmd = sbi->ll_lmd;
944 char *profile = lmd->lmd_profile, *name = NULL;
945 struct config_llog_instance cfg;
946 int rc, namelen = 0, version;
947 struct llog_ctxt *ctxt;
953 CERROR("Client not mounted with zero-conf; cannot "
954 "process update log.\n");
958 rc = obd_cancel_unused(sbi->ll_md_exp, NULL,
959 LDLM_FL_CONFIG_CHANGE, NULL);
961 CWARN("obd_cancel_unused(mdc): %d\n", rc);
963 rc = obd_cancel_unused(sbi->ll_dt_exp, NULL,
964 LDLM_FL_CONFIG_CHANGE, NULL);
966 CWARN("obd_cancel_unused(lov): %d\n", rc);
968 cfg.cfg_instance = sbi->ll_instance;
969 cfg.cfg_uuid = sbi->ll_sb_uuid;
970 cfg.cfg_local_nid = lmd->lmd_local_nid;
972 namelen = strlen(profile) + 20; /* -clean-######### */
973 OBD_ALLOC(name, namelen);
978 version = sbi->ll_config_version - 1;
979 sprintf(name, "%s-clean-%d", profile, version);
981 version = sbi->ll_config_version + 1;
982 sprintf(name, "%s-%d", profile, version);
985 CWARN("Applying configuration log %s\n", name);
987 ctxt = llog_get_context(&sbi->ll_md_exp->exp_obd->obd_llogs,
988 LLOG_CONFIG_REPL_CTXT);
989 rc = class_config_process_llog(ctxt, name, &cfg);
991 sbi->ll_config_version = version;
992 CWARN("Finished applying configuration log %s: %d\n", name, rc);
994 if (rc == 0 && clean == 0) {
995 struct lov_desc desc;
999 valsize = sizeof(desc);
1000 rc = obd_get_info(sbi->ll_dt_exp, strlen("lovdesc") + 1,
1001 "lovdesc", &valsize, &desc);
1003 rc = obd_init_ea_size(sbi->ll_md_exp,
1004 obd_size_diskmd(sbi->ll_dt_exp, NULL),
1005 (desc.ld_tgt_count *
1006 sizeof(struct llog_cookie)));
1008 OBD_FREE(name, namelen);
1012 struct inode *ll_inode_from_lock(struct ldlm_lock *lock)
1014 struct inode *inode = NULL;
1016 /* NOTE: we depend on atomic igrab() -bzzz */
1017 lock_res_and_lock(lock);
1018 if (lock->l_ast_data) {
1019 struct ll_inode_info *lli = ll_i2info(lock->l_ast_data);
1020 if (lli->lli_inode_magic == LLI_INODE_MAGIC) {
1021 inode = igrab(lock->l_ast_data);
1023 inode = lock->l_ast_data;
1024 CDEBUG(inode->i_state & I_FREEING ? D_INFO : D_WARNING,
1025 "l_ast_data %p is bogus: magic %0x8\n",
1026 lock->l_ast_data, lli->lli_inode_magic);
1028 unlock_res_and_lock(lock);
1032 unlock_res_and_lock(lock);
1036 int null_if_equal(struct ldlm_lock *lock, void *data)
1038 if (data == lock->l_ast_data) {
1039 lock->l_ast_data = NULL;
1041 if (lock->l_req_mode != lock->l_granted_mode)
1042 LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
1045 return LDLM_ITER_CONTINUE;
1048 static void remote_acl_free(struct remote_acl *racl);
1050 void ll_clear_inode(struct inode *inode)
1052 struct lustre_id id;
1053 struct ll_inode_info *lli = ll_i2info(inode);
1054 struct ll_sb_info *sbi = ll_i2sbi(inode);
1057 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
1058 inode->i_generation, inode);
1060 ll_inode2id(&id, inode);
1062 clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(ll_i2info(inode)->lli_flags));
1063 md_change_cbdata(sbi->ll_md_exp, &id, null_if_equal, inode);
1065 LASSERT(!lli->lli_open_fd_write_count);
1066 LASSERT(!lli->lli_open_fd_read_count);
1067 LASSERT(!lli->lli_open_fd_exec_count);
1068 if (lli->lli_mds_write_och)
1069 ll_md_real_close(sbi->ll_md_exp, inode, FMODE_WRITE);
1070 if (lli->lli_mds_exec_och)
1071 ll_md_real_close(sbi->ll_md_exp, inode, FMODE_EXEC);
1072 if (lli->lli_mds_read_och)
1073 ll_md_real_close(sbi->ll_md_exp, inode, FMODE_READ);
1075 obd_change_cbdata(sbi->ll_dt_exp, lli->lli_smd,
1076 null_if_equal, inode);
1079 obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
1080 lli->lli_smd = NULL;
1084 obd_free_memmd(sbi->ll_md_exp,
1085 (struct lov_stripe_md **) &lli->lli_mea);
1086 lli->lli_mea = NULL;
1089 if (lli->lli_symlink_name) {
1090 OBD_FREE(lli->lli_symlink_name,
1091 strlen(lli->lli_symlink_name) + 1);
1092 lli->lli_symlink_name = NULL;
1095 if (lli->lli_posix_acl) {
1096 LASSERT(lli->lli_remote_acl == NULL);
1097 posix_acl_release(lli->lli_posix_acl);
1098 lli->lli_posix_acl = NULL;
1101 if (lli->lli_remote_acl) {
1102 LASSERT(lli->lli_posix_acl == NULL);
1103 remote_acl_free(lli->lli_remote_acl);
1104 lli->lli_remote_acl = NULL;
1107 lli->lli_inode_magic = LLI_INODE_DEAD;
1112 /* If this inode has objects allocated to it (lsm != NULL), then the OST
1113 * object(s) determine the file size and mtime. Otherwise, the MDS will
1114 * keep these values until such a time that objects are allocated for it.
1115 * We do the MDS operations first, as it is checking permissions for us.
1116 * We don't to the MDS RPC if there is nothing that we want to store there,
1117 * otherwise there is no harm in updating mtime/atime on the MDS if we are
1118 * going to do an RPC anyways.
1120 * If we are doing a truncate, we will send the mtime and ctime updates
1121 * to the OST with the punch RPC, otherwise we do an explicit setattr RPC.
1122 * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
1125 int ll_setattr_raw(struct inode *inode, struct iattr *attr)
1127 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
1128 struct ll_inode_info *lli = ll_i2info(inode);
1129 struct ll_sb_info *sbi = ll_i2sbi(inode);
1130 struct ptlrpc_request *request = NULL;
1131 struct mdc_op_data *op_data;
1132 int ia_valid = attr->ia_valid;
1136 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
1137 lprocfs_counter_incr(ll_i2sbi(inode)->ll_stats, LPROC_LL_SETATTR);
1139 if (ia_valid & ATTR_SIZE) {
1140 if (attr->ia_size > ll_file_maxbytes(inode)) {
1141 CDEBUG(D_INODE, "file too large %llu > "LPU64"\n",
1142 attr->ia_size, ll_file_maxbytes(inode));
1146 attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
1149 /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
1150 if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
1151 if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
1155 /* We mark all of the fields "set" so MDS/OST does not re-set them */
1156 if (attr->ia_valid & ATTR_CTIME) {
1157 attr->ia_ctime = CURRENT_TIME;
1158 attr->ia_valid |= ATTR_CTIME_SET;
1160 if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) {
1161 attr->ia_atime = CURRENT_TIME;
1162 attr->ia_valid |= ATTR_ATIME_SET;
1164 if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
1165 attr->ia_mtime = CURRENT_TIME;
1166 attr->ia_valid |= ATTR_MTIME_SET;
1169 if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
1170 CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
1171 LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
1172 LTIME_S(CURRENT_TIME));
1175 attr->ia_valid &= ~ATTR_SIZE;
1177 /* If only OST attributes being set on objects, don't do MDS RPC.
1178 * In that case, we need to check permissions and update the local
1179 * inode ourselves so we can call obdo_from_inode() always. */
1180 if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN /*| ATTR_RAW*/) : ~0)) {
1181 struct lustre_md md;
1183 OBD_ALLOC(op_data, sizeof(*op_data));
1184 if (op_data == NULL)
1186 ll_prepare_mdc_data(op_data, inode, NULL, NULL, 0, 0);
1188 rc = md_setattr(sbi->ll_md_exp, op_data,
1189 attr, NULL, 0, NULL, 0, &request);
1190 OBD_FREE(op_data, sizeof(*op_data));
1192 ptlrpc_req_finished(request);
1193 if (rc != -EPERM && rc != -EACCES)
1194 CERROR("md_setattr fails: rc = %d\n", rc);
1198 rc = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
1199 sbi->ll_dt_exp, &md);
1201 ptlrpc_req_finished(request);
1205 /* We call inode_setattr to adjust timestamps, but we first
1206 * clear ATTR_SIZE to avoid invoking vmtruncate.
1208 * NB: ATTR_SIZE will only be set at this point if the size
1209 * resides on the MDS, ie, this file has no objects. */
1210 attr->ia_valid &= ~ATTR_SIZE;
1213 * assigning inode_setattr() to @err to disable warning that
1214 * function's result should be checked by by caller. error is
1215 * impossible here, as vmtruncate() control path is disabled.
1217 err = inode_setattr(inode, attr);
1218 ll_update_inode(inode, &md);
1219 ptlrpc_req_finished(request);
1221 if (!lsm || !S_ISREG(inode->i_mode)) {
1222 CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
1226 /* The OST doesn't check permissions, but the alternative is
1227 * a gratuitous RPC to the MDS. We already rely on the client
1228 * to do read/write/truncate permission checks, so is mtime OK?
1230 if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
1231 /* from sys_utime() */
1232 if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
1233 if (current->fsuid != inode->i_uid &&
1234 (rc = ll_permission(inode, MAY_WRITE, NULL)) != 0)
1237 /* from inode_change_ok() */
1238 if (current->fsuid != inode->i_uid &&
1239 !capable(CAP_FOWNER))
1244 /* won't invoke vmtruncate, as we already cleared ATTR_SIZE */
1245 err = inode_setattr(inode, attr);
1247 * assigning inode_setattr() to @err to disable warning that
1248 * function's result should be checked by by caller. error is
1249 * impossible here, as vmtruncate() control path is disabled.
1253 /* We really need to get our PW lock before we change inode->i_size.
1254 * If we don't we can race with other i_size updaters on our node, like
1255 * ll_file_read. We can also race with i_size propogation to other
1256 * nodes through dirtying and writeback of final cached pages. This
1257 * last one is especially bad for racing o_append users on other
1259 if (ia_valid & ATTR_SIZE) {
1260 ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
1262 struct lustre_handle lockh = { 0 };
1263 int err, ast_flags = 0;
1264 /* XXX when we fix the AST intents to pass the discard-range
1265 * XXX extent, make ast_flags always LDLM_AST_DISCARD_DATA
1267 if (attr->ia_size == 0)
1268 ast_flags = LDLM_AST_DISCARD_DATA;
1270 rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh,
1271 ast_flags, &ll_i2sbi(inode)->ll_seek_stime);
1276 down(&lli->lli_size_sem);
1277 lli->lli_size_pid = current->pid;
1278 rc = vmtruncate(inode, attr->ia_size);
1280 LASSERT(atomic_read(&lli->lli_size_sem.count) <= 0);
1281 lli->lli_size_pid = 0;
1282 up(&lli->lli_size_sem);
1285 err = ll_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
1287 CERROR("ll_extent_unlock failed: %d\n", err);
1291 } else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET | ATTR_UID | ATTR_GID)) {
1292 struct obdo *oa = NULL;
1294 CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
1295 inode->i_ino, LTIME_S(attr->ia_mtime));
1301 oa->o_id = lsm->lsm_object_id;
1302 oa->o_gr = lsm->lsm_object_gr;
1303 oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
1305 /* adding uid and gid, needed for quota */
1306 if (ia_valid & ATTR_UID) {
1307 oa->o_uid = inode->i_uid;
1308 oa->o_valid |= OBD_MD_FLUID;
1311 if (ia_valid & ATTR_GID) {
1312 oa->o_gid = inode->i_gid;
1313 oa->o_valid |= OBD_MD_FLGID;
1316 *(obdo_id(oa)) = lli->lli_id;
1317 oa->o_valid |= OBD_MD_FLIFID;
1319 obdo_from_inode(oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
1320 OBD_MD_FLMTIME | OBD_MD_FLCTIME);
1321 rc = obd_setattr(sbi->ll_dt_exp, oa, lsm, NULL);
1324 CERROR("obd_setattr fails: rc = %d\n", rc);
1330 int ll_setattr(struct dentry *de, struct iattr *attr)
1332 LASSERT(de->d_inode);
1333 return ll_setattr_raw(de->d_inode, attr);
1336 int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
1337 unsigned long max_age)
1339 struct ll_sb_info *sbi = ll_s2sbi(sb);
1340 struct obd_statfs obd_osfs;
1344 rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age);
1346 CERROR("obd_statfs fails: rc = %d\n", rc);
1350 osfs->os_type = sb->s_magic;
1352 CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1353 osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
1355 rc = obd_statfs(class_exp2obd(sbi->ll_dt_exp), &obd_osfs, max_age);
1357 CERROR("obd_statfs fails: rc = %d\n", rc);
1361 CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1362 obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
1365 osfs->os_blocks = obd_osfs.os_blocks;
1366 osfs->os_bfree = obd_osfs.os_bfree;
1367 osfs->os_bavail = obd_osfs.os_bavail;
1369 /* If we don't have as many objects free on the OST as inodes
1370 * on the MDS, we reduce the total number of inodes to
1371 * compensate, so that the "inodes in use" number is correct.
1373 if (obd_osfs.os_ffree < osfs->os_ffree) {
1374 osfs->os_files = (osfs->os_files - osfs->os_ffree) +
1376 osfs->os_ffree = obd_osfs.os_ffree;
1382 int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
1384 struct obd_statfs osfs;
1387 CDEBUG(D_VFSTRACE, "VFS Op: superblock %p\n", sb);
1388 lprocfs_counter_incr(ll_s2sbi(sb)->ll_stats, LPROC_LL_STAFS);
1390 /* For now we will always get up-to-date statfs values, but in the
1391 * future we may allow some amount of caching on the client (e.g.
1392 * from QOS or lprocfs updates). */
1393 rc = ll_statfs_internal(sb, &osfs, jiffies - 1);
1397 statfs_unpack(sfs, &osfs);
1399 if (sizeof(sfs->f_blocks) == 4) {
1400 while (osfs.os_blocks > ~0UL) {
1403 osfs.os_blocks >>= 1;
1404 osfs.os_bfree >>= 1;
1405 osfs.os_bavail >>= 1;
1409 sfs->f_blocks = osfs.os_blocks;
1410 sfs->f_bfree = osfs.os_bfree;
1411 sfs->f_bavail = osfs.os_bavail;
1417 /********************************
1419 ********************************/
1421 static struct remote_acl *remote_acl_alloc(void)
1423 struct remote_acl *racl;
1426 OBD_ALLOC(racl, sizeof(*racl));
1430 spin_lock_init(&racl->ra_lock);
1431 init_MUTEX(&racl->ra_update_sem);
1433 for (i = 0; i < REMOTE_ACL_HASHSIZE; i++)
1434 INIT_LIST_HEAD(&racl->ra_perm_cache[i]);
1440 * caller should guarantee no race here.
1442 static void remote_perm_flush_xperms(struct lustre_remote_perm *perm)
1444 struct remote_perm_setxid *xperm;
1446 while (!list_empty(&perm->lrp_setxid_perms)) {
1447 xperm = list_entry(perm->lrp_setxid_perms.next,
1448 struct remote_perm_setxid,
1450 list_del(&xperm->list);
1451 OBD_FREE(xperm, sizeof(*xperm));
1456 * caller should guarantee no race here.
1458 static void remote_acl_flush(struct remote_acl *racl)
1460 struct list_head *head;
1461 struct lustre_remote_perm *perm, *tmp;
1464 for (i = 0; i < REMOTE_ACL_HASHSIZE; i++) {
1465 head = &racl->ra_perm_cache[i];
1467 list_for_each_entry_safe(perm, tmp, head, lrp_list) {
1468 remote_perm_flush_xperms(perm);
1469 list_del(&perm->lrp_list);
1470 OBD_FREE(perm, sizeof(*perm));
1475 static void remote_acl_free(struct remote_acl *racl)
1480 down(&racl->ra_update_sem);
1481 spin_lock(&racl->ra_lock);
1482 remote_acl_flush(racl);
1483 spin_unlock(&racl->ra_lock);
1484 up(&racl->ra_update_sem);
1486 OBD_FREE(racl, sizeof(*racl));
1489 static inline int remote_acl_hashfunc(__u32 id)
1491 return (id & (REMOTE_ACL_HASHSIZE - 1));
1495 int __remote_acl_check(struct remote_acl *racl, unsigned int *perm)
1497 struct list_head *head;
1498 struct lustre_remote_perm *lperm;
1499 struct remote_perm_setxid *xperm;
1500 int found = 0, rc = -ENOENT;
1503 head = &racl->ra_perm_cache[remote_acl_hashfunc(current->uid)];
1504 spin_lock(&racl->ra_lock);
1506 list_for_each_entry(lperm, head, lrp_list) {
1507 if (lperm->lrp_auth_uid == current->uid) {
1516 if (lperm->lrp_auth_uid == current->fsuid &&
1517 lperm->lrp_auth_gid == current->fsgid) {
1518 if (lperm->lrp_valid) {
1519 *perm = lperm->lrp_perm;
1523 } else if ((!lperm->lrp_setuid &&
1524 lperm->lrp_auth_uid != current->fsuid) ||
1525 (!lperm->lrp_setgid &&
1526 lperm->lrp_auth_gid != current->fsgid)) {
1532 list_for_each_entry(xperm, &lperm->lrp_setxid_perms, list) {
1533 if (xperm->uid == current->fsuid &&
1534 xperm->gid == current->fsgid) {
1535 *perm = xperm->perm;
1542 spin_unlock(&racl->ra_lock);
1547 int __remote_acl_update(struct remote_acl *racl,
1548 struct mds_remote_perm *mperm,
1549 struct lustre_remote_perm *lperm,
1550 struct remote_perm_setxid *xperm)
1552 struct list_head *head;
1553 struct lustre_remote_perm *lp;
1554 struct remote_perm_setxid *xp;
1555 int found = 0, setuid = 0, setgid = 0;
1560 LASSERT(current->uid == mperm->mrp_auth_uid);
1562 if (current->fsuid != mperm->mrp_auth_uid)
1564 if (current->fsgid != mperm->mrp_auth_gid)
1567 head = &racl->ra_perm_cache[remote_acl_hashfunc(current->uid)];
1568 spin_lock(&racl->ra_lock);
1570 list_for_each_entry(lp, head, lrp_list) {
1571 if (lp->lrp_auth_uid == current->uid) {
1578 OBD_FREE(lperm, sizeof(*lperm));
1580 if (!lp->lrp_valid && !setuid && !setgid) {
1581 lp->lrp_perm = mperm->mrp_perm;
1585 /* sanity check for changes of setxid rules */
1586 if ((lp->lrp_setuid != 0) != (mperm->mrp_allow_setuid != 0)) {
1587 CWARN("setuid changes: %d => %d\n",
1588 (lp->lrp_setuid != 0),
1589 (mperm->mrp_allow_setuid != 0));
1590 lp->lrp_setuid = (mperm->mrp_allow_setuid != 0);
1593 if ((lp->lrp_setgid != 0) != (mperm->mrp_allow_setgid != 0)) {
1594 CWARN("setgid changes: %d => %d\n",
1595 (lp->lrp_setgid != 0),
1596 (mperm->mrp_allow_setgid != 0));
1597 lp->lrp_setgid = (mperm->mrp_allow_setgid != 0);
1600 if (!lp->lrp_setuid && !lp->lrp_setgid &&
1601 !list_empty(&lp->lrp_setxid_perms)) {
1602 remote_perm_flush_xperms(lp);
1605 /* initialize lperm and linked into hashtable
1607 INIT_LIST_HEAD(&lperm->lrp_setxid_perms);
1608 lperm->lrp_auth_uid = mperm->mrp_auth_uid;
1609 lperm->lrp_auth_gid = mperm->mrp_auth_gid;
1610 lperm->lrp_setuid = (mperm->mrp_allow_setuid != 0);
1611 lperm->lrp_setgid = (mperm->mrp_allow_setgid != 0);
1612 list_add(&lperm->lrp_list, head);
1614 if (!setuid && !setgid) {
1615 /* in this case, i'm the authenticated user,
1616 * and mrp_perm is for me.
1618 lperm->lrp_perm = mperm->mrp_perm;
1619 lperm->lrp_valid = 1;
1620 spin_unlock(&racl->ra_lock);
1623 OBD_FREE(xperm, sizeof(*xperm));
1631 LASSERT(lp->lrp_setuid || lp->lrp_setgid ||
1632 list_empty(&lp->lrp_setxid_perms));
1634 /* if no xperm supplied, we are all done here */
1636 spin_unlock(&racl->ra_lock);
1640 /* whether we allow setuid/setgid */
1641 if ((!lp->lrp_setuid && setuid) || (!lp->lrp_setgid && setgid)) {
1642 OBD_FREE(xperm, sizeof(*xperm));
1643 spin_unlock(&racl->ra_lock);
1647 /* traverse xperm list */
1648 list_for_each_entry(xp, &lp->lrp_setxid_perms, list) {
1649 if (xp->uid == current->fsuid &&
1650 xp->gid == current->fsgid) {
1651 if (xp->perm != mperm->mrp_perm) {
1652 /* actually this should not happen */
1653 CWARN("perm changed: %o => %o\n",
1654 xp->perm, mperm->mrp_perm);
1655 xp->perm = mperm->mrp_perm;
1657 OBD_FREE(xperm, sizeof(*xperm));
1658 spin_unlock(&racl->ra_lock);
1663 /* finally insert this xperm */
1664 xperm->uid = current->fsuid;
1665 xperm->gid = current->fsgid;
1666 xperm->perm = mperm->mrp_perm;
1667 list_add(&xperm->list, &lp->lrp_setxid_perms);
1669 spin_unlock(&racl->ra_lock);
1674 * remote_acl semaphore must be held by caller
1677 int remote_acl_update_locked(struct remote_acl *racl,
1678 struct mds_remote_perm *mperm)
1680 struct lustre_remote_perm *lperm;
1681 struct remote_perm_setxid *xperm;
1682 int setuid = 0, setgid = 0;
1686 if (current->uid != mperm->mrp_auth_uid) {
1687 CERROR("current uid %u while authenticated as %u\n",
1688 current->uid, mperm->mrp_auth_uid);
1692 if (current->fsuid != mperm->mrp_auth_uid)
1694 if (current->fsgid == mperm->mrp_auth_gid)
1697 OBD_ALLOC(lperm, sizeof(*lperm));
1701 if ((setuid || setgid) &&
1702 !(setuid && !mperm->mrp_allow_setuid) &&
1703 !(setgid && !mperm->mrp_allow_setgid)) {
1704 OBD_ALLOC(xperm, sizeof(*xperm));
1706 OBD_FREE(lperm, sizeof(*lperm));
1712 return __remote_acl_update(racl, mperm, lperm, xperm);
1716 * return -EACCES at any error cases
1718 int ll_remote_acl_permission(struct inode *inode, int mode)
1720 struct ll_sb_info *sbi = ll_i2sbi(inode);
1721 struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
1722 struct ptlrpc_request *req = NULL;
1723 struct lustre_id id;
1724 struct mds_remote_perm *mperm;
1725 int rc = -EACCES, perm;
1730 if (__remote_acl_check(racl, &perm) == 0) {
1731 return ((perm & mode) == mode ? 0 : -EACCES);
1738 down(&racl->ra_update_sem);
1740 /* we might lose the race when obtain semaphore,
1743 if (__remote_acl_check(racl, &perm) == 0) {
1744 if ((perm & mode) == mode)
1749 /* really fetch from mds
1751 ll_inode2id(&id, inode);
1752 if (md_access_check(sbi->ll_md_exp, &id, &req))
1755 /* status non-zero indicate there's more apparent error
1756 * detected by mds, e.g. didn't allow this user at all.
1757 * we simply ignore and didn't cache it.
1759 if (req->rq_repmsg->status)
1762 mperm = lustre_swab_repbuf(req, 1, sizeof(*mperm),
1763 lustre_swab_remote_perm);
1765 LASSERT_REPSWABBED(req, 1);
1767 if ((mperm->mrp_perm & mode) == mode)
1770 remote_acl_update_locked(racl, mperm);
1773 ptlrpc_req_finished(req);
1775 up(&racl->ra_update_sem);
1779 int ll_remote_acl_update(struct inode *inode, struct mds_remote_perm *perm)
1781 struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
1789 down(&racl->ra_update_sem);
1790 rc = remote_acl_update_locked(racl, perm);
1791 up(&racl->ra_update_sem);
1796 void ll_inode_invalidate_acl(struct inode *inode)
1798 struct ll_sb_info *sbi = ll_i2sbi(inode);
1799 struct ll_inode_info *lli = ll_i2info(inode);
1801 if (sbi->ll_remote) {
1802 struct remote_acl *racl = lli->lli_remote_acl;
1804 LASSERT(!lli->lli_posix_acl);
1806 down(&racl->ra_update_sem);
1807 spin_lock(&racl->ra_lock);
1808 remote_acl_flush(lli->lli_remote_acl);
1809 spin_unlock(&racl->ra_lock);
1810 up(&racl->ra_update_sem);
1813 LASSERT(!lli->lli_remote_acl);
1814 spin_lock(&lli->lli_lock);
1815 posix_acl_release(lli->lli_posix_acl);
1816 lli->lli_posix_acl = NULL;
1817 spin_unlock(&lli->lli_lock);
1821 void ll_update_inode(struct inode *inode, struct lustre_md *md)
1823 struct ll_inode_info *lli = ll_i2info(inode);
1824 struct lov_stripe_md *lsm = md->lsm;
1825 struct mds_body *body = md->body;
1826 struct mea *mea = md->mea;
1827 struct posix_acl *posix_acl = md->posix_acl;
1828 struct ll_sb_info *sbi = ll_i2sbi(inode);
1831 LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
1833 if (md->lsm && md->lsm->lsm_magic != LOV_MAGIC) {
1834 /* check for default striping info for dir. */
1835 LASSERT((mea != NULL) == ((body->valid & OBD_MD_FLDIREA) != 0));
1839 LASSERT(lsm->lsm_object_gr > 0);
1840 if (lli->lli_smd == NULL) {
1842 lli->lli_maxbytes = lsm->lsm_maxbytes;
1843 if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
1844 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
1847 if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) {
1848 CERROR("lsm mismatch for inode %ld\n",
1850 CERROR("lli_smd:\n");
1851 dump_lsm(D_ERROR, lli->lli_smd);
1853 dump_lsm(D_ERROR, lsm);
1856 /* XXX FIXME -- We should decide on a safer (atomic) and
1857 * more elegant way to update the lsm */
1858 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1859 lli->lli_smd->lsm_oinfo[i].loi_id =
1860 lsm->lsm_oinfo[i].loi_id;
1861 lli->lli_smd->lsm_oinfo[i].loi_gr =
1862 lsm->lsm_oinfo[i].loi_gr;
1863 lli->lli_smd->lsm_oinfo[i].loi_ost_idx =
1864 lsm->lsm_oinfo[i].loi_ost_idx;
1865 lli->lli_smd->lsm_oinfo[i].loi_ost_gen =
1866 lsm->lsm_oinfo[i].loi_ost_gen;
1869 /* bug 2844 - limit i_blksize for broken user-space apps */
1870 LASSERTF(lsm->lsm_xfersize != 0, "%lu\n", lsm->lsm_xfersize);
1871 inode->i_blksize = min(lsm->lsm_xfersize, LL_MAX_BLKSIZE);
1872 if (lli->lli_smd != lsm)
1873 obd_free_memmd(ll_i2dtexp(inode), &lsm);
1877 if (lli->lli_mea == NULL) {
1880 if (memcmp(lli->lli_mea, mea, body->eadatasize)) {
1881 CERROR("mea mismatch for inode %lu\n",
1886 if (lli->lli_mea != mea)
1887 obd_free_memmd(ll_i2mdexp(inode),
1888 (struct lov_stripe_md **) &mea);
1891 if (body->valid & OBD_MD_FID)
1892 id_assign_fid(&lli->lli_id, &body->id1);
1894 if (body->valid & OBD_MD_FLID)
1895 id_ino(&lli->lli_id) = id_ino(&body->id1);
1897 if (body->valid & OBD_MD_FLGENER)
1898 id_gen(&lli->lli_id) = id_gen(&body->id1);
1900 /* local/remote ACL */
1901 if (sbi->ll_remote) {
1902 LASSERT(md->posix_acl == NULL);
1903 if (md->remote_perm) {
1904 ll_remote_acl_update(inode, md->remote_perm);
1905 OBD_FREE(md->remote_perm, sizeof(*md->remote_perm));
1906 md->remote_perm = NULL;
1909 LASSERT(md->remote_perm == NULL);
1910 spin_lock(&lli->lli_lock);
1911 if (posix_acl != NULL) {
1912 if (lli->lli_posix_acl != NULL)
1913 posix_acl_release(lli->lli_posix_acl);
1914 lli->lli_posix_acl = posix_acl;
1916 spin_unlock(&lli->lli_lock);
1919 if (body->valid & OBD_MD_FLID)
1920 inode->i_ino = id_ino(&body->id1);
1921 if (body->valid & OBD_MD_FLGENER)
1922 inode->i_generation = id_gen(&body->id1);
1923 if (body->valid & OBD_MD_FLATIME)
1924 LTIME_S(inode->i_atime) = body->atime;
1925 if (body->valid & OBD_MD_FLMTIME &&
1926 body->mtime > LTIME_S(inode->i_mtime)) {
1927 CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %u\n",
1928 inode->i_ino, LTIME_S(inode->i_mtime), body->mtime);
1929 LTIME_S(inode->i_mtime) = body->mtime;
1931 if (body->valid & OBD_MD_FLCTIME &&
1932 body->ctime > LTIME_S(inode->i_ctime))
1933 LTIME_S(inode->i_ctime) = body->ctime;
1934 if (body->valid & OBD_MD_FLMODE) {
1935 inode->i_mode = (inode->i_mode & S_IFMT) |
1936 (body->mode & ~S_IFMT);
1938 if (body->valid & OBD_MD_FLTYPE) {
1939 inode->i_mode = (inode->i_mode & ~S_IFMT) |
1940 (body->mode & S_IFMT);
1942 if (body->valid & OBD_MD_FLUID)
1943 inode->i_uid = body->uid;
1944 if (body->valid & OBD_MD_FLGID)
1945 inode->i_gid = body->gid;
1946 if (body->valid & OBD_MD_FLFLAGS)
1947 inode->i_flags = body->flags;
1948 if (body->valid & OBD_MD_FLNLINK)
1949 inode->i_nlink = body->nlink;
1950 if (body->valid & OBD_MD_FLRDEV)
1951 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
1952 inode->i_rdev = body->rdev;
1954 inode->i_rdev = old_decode_dev(body->rdev);
1956 if (body->valid & OBD_MD_FLSIZE)
1957 inode->i_size = body->size;
1958 if (body->valid & OBD_MD_FLBLOCKS)
1959 inode->i_blocks = body->blocks;
1961 if (body->valid & OBD_MD_FLSIZE)
1962 set_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags);
1964 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
1965 inode->i_dev = (kdev_t)id_group(&lli->lli_id);
1967 LASSERT(id_fid(&lli->lli_id) != 0);
1970 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
1971 static struct backing_dev_info ll_backing_dev_info = {
1972 .ra_pages = 0, /* No readahead */
1973 .memory_backed = 0, /* Does contribute to dirty memory */
1977 void ll_read_inode2(struct inode *inode, void *opaque)
1979 struct lustre_md *md = opaque;
1980 struct ll_inode_info *lli = ll_i2info(inode);
1983 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
1984 inode->i_generation, inode);
1988 LASSERT(!lli->lli_smd);
1990 if (ll_i2sbi(inode)->ll_remote) {
1991 lli->lli_remote_acl = remote_acl_alloc();
1992 /* if failed alloc, nobody will be able to access this inode */
1995 /* Core attributes from the MDS first. This is a new inode, and
1996 * the VFS doesn't zero times in the core inode so we have to do
1997 * it ourselves. They will be overwritten by either MDS or OST
1998 * attributes - we just need to make sure they aren't newer. */
1999 LTIME_S(inode->i_mtime) = 0;
2000 LTIME_S(inode->i_atime) = 0;
2001 LTIME_S(inode->i_ctime) = 0;
2004 ll_update_inode(inode, md);
2006 /* OIDEBUG(inode); */
2008 if (S_ISREG(inode->i_mode)) {
2009 inode->i_op = &ll_file_inode_operations;
2010 inode->i_fop = &ll_file_operations;
2011 inode->i_mapping->a_ops = &ll_aops;
2013 } else if (S_ISDIR(inode->i_mode)) {
2014 inode->i_op = &ll_dir_inode_operations;
2015 inode->i_fop = &ll_dir_operations;
2016 inode->i_mapping->a_ops = &ll_dir_aops;
2018 } else if (S_ISLNK(inode->i_mode)) {
2019 inode->i_op = &ll_fast_symlink_inode_operations;
2022 inode->i_op = &ll_special_inode_operations;
2024 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
2025 init_special_inode(inode, inode->i_mode,
2026 kdev_t_to_nr(inode->i_rdev));
2028 /* initializing backing dev info. */
2029 inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
2031 init_special_inode(inode, inode->i_mode, inode->i_rdev);
2033 lli->ll_save_ifop = inode->i_fop;
2035 if (S_ISCHR(inode->i_mode))
2036 inode->i_fop = &ll_special_chr_inode_fops;
2037 else if (S_ISBLK(inode->i_mode))
2038 inode->i_fop = &ll_special_blk_inode_fops;
2039 else if (S_ISFIFO(inode->i_mode))
2040 inode->i_fop = &ll_special_fifo_inode_fops;
2041 else if (S_ISSOCK(inode->i_mode))
2042 inode->i_fop = &ll_special_sock_inode_fops;
2044 CWARN("saved %p, replaced with %p\n", lli->ll_save_ifop,
2047 if (lli->ll_save_ifop->owner) {
2048 CWARN("%p has owner %p\n", lli->ll_save_ifop,
2049 lli->ll_save_ifop->owner);
2055 void ll_delete_inode(struct inode *inode)
2057 struct ll_sb_info *sbi = ll_i2sbi(inode);
2058 struct lustre_id id;
2062 ll_inode2id(&id, inode);
2064 rc = md_delete_inode(sbi->ll_md_exp, &id);
2066 CERROR("md_delete_inode() failed, error %d\n",
2074 int ll_iocontrol(struct inode *inode, struct file *file,
2075 unsigned int cmd, unsigned long arg)
2077 struct ll_sb_info *sbi = ll_i2sbi(inode);
2078 struct ptlrpc_request *req = NULL;
2083 case EXT3_IOC_GETFLAGS: {
2084 struct lustre_id id;
2085 __u64 valid = OBD_MD_FLFLAGS;
2086 struct mds_body *body;
2088 ll_inode2id(&id, inode);
2089 rc = md_getattr(sbi->ll_md_exp, &id, valid, NULL, NULL, 0, 0,
2092 CERROR("failure %d inode %lu\n", rc, inode->i_ino);
2096 body = lustre_msg_buf(req->rq_repmsg, 0, sizeof(*body));
2098 if (body->flags & S_APPEND)
2099 flags |= EXT3_APPEND_FL;
2100 if (body->flags & S_IMMUTABLE)
2101 flags |= EXT3_IMMUTABLE_FL;
2102 if (body->flags & S_NOATIME)
2103 flags |= EXT3_NOATIME_FL;
2105 ptlrpc_req_finished (req);
2107 RETURN(put_user(flags, (int *)arg));
2109 case EXT3_IOC_SETFLAGS: {
2110 struct mdc_op_data *op_data;
2113 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
2115 if (get_user(flags, (int *)arg))
2122 OBD_ALLOC(op_data, sizeof(*op_data));
2123 if (op_data == NULL) {
2127 ll_prepare_mdc_data(op_data, inode, NULL, NULL, 0, 0);
2129 memset(&attr, 0x0, sizeof(attr));
2130 attr.ia_attr_flags = flags;
2131 attr.ia_valid |= ATTR_ATTR_FLAG;
2133 rc = md_setattr(sbi->ll_md_exp, op_data,
2134 &attr, NULL, 0, NULL, 0, &req);
2135 OBD_FREE(op_data, sizeof(*op_data));
2137 ptlrpc_req_finished(req);
2138 if (rc != -EPERM && rc != -EACCES)
2139 CERROR("md_setattr fails: rc = %d\n", rc);
2143 ptlrpc_req_finished(req);
2145 oa->o_id = lsm->lsm_object_id;
2146 oa->o_gr = lsm->lsm_object_gr;
2147 oa->o_flags = flags;
2148 *(obdo_id(oa)) = ll_i2info(inode)->lli_id;
2149 oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP
2152 rc = obd_setattr(sbi->ll_dt_exp, oa, lsm, NULL);
2155 if (rc != -EPERM && rc != -EACCES)
2156 CERROR("md_setattr fails: rc = %d\n", rc);
2160 if (flags & EXT3_APPEND_FL)
2161 inode->i_flags |= S_APPEND;
2163 inode->i_flags &= ~S_APPEND;
2164 if (flags & EXT3_IMMUTABLE_FL)
2165 inode->i_flags |= S_IMMUTABLE;
2167 inode->i_flags &= ~S_IMMUTABLE;
2168 if (flags & EXT3_NOATIME_FL)
2169 inode->i_flags |= S_NOATIME;
2171 inode->i_flags &= ~S_NOATIME;
2182 /* this is only called in the case of forced umount. */
2183 void ll_umount_begin(struct super_block *sb)
2185 struct ll_sb_info *sbi = ll_s2sbi(sb);
2186 struct obd_ioctl_data ioc_data = { 0 };
2187 struct obd_device *obd;
2190 CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb,
2191 sb->s_count, atomic_read(&sb->s_active));
2193 obd = class_exp2obd(sbi->ll_md_exp);
2195 CERROR("Invalid MDC connection handle "LPX64"\n",
2196 sbi->ll_md_exp->exp_handle.h_cookie);
2200 obd->obd_no_recov = 1;
2201 obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_md_exp,
2202 sizeof(ioc_data), &ioc_data, NULL);
2204 obd = class_exp2obd(sbi->ll_dt_exp);
2206 CERROR("Invalid LOV connection handle "LPX64"\n",
2207 sbi->ll_dt_exp->exp_handle.h_cookie);
2212 obd->obd_no_recov = 1;
2213 obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_dt_exp,
2214 sizeof(ioc_data), &ioc_data, NULL);
2217 * really, we'd like to wait until there are no requests outstanding,
2218 * and then continue. For now, we just invalidate the requests,
2219 * schedule, and hope.
2226 int ll_prep_inode(struct obd_export *dt_exp, struct obd_export *md_exp,
2227 struct inode **inode, struct ptlrpc_request *req,
2228 int offset, struct super_block *sb)
2230 struct lustre_md md;
2233 rc = mdc_req2lustre_md(md_exp, req, offset, dt_exp, &md);
2238 ll_update_inode(*inode, &md);
2241 *inode = ll_iget(sb, id_ino(&md.body->id1), &md);
2242 if (*inode == NULL || is_bad_inode(*inode)) {
2243 /* free the lsm if we allocated one above */
2245 obd_free_memmd(dt_exp, &md.lsm);
2247 obd_free_memmd(md_exp,
2248 (struct lov_stripe_md**)&md.mea);
2250 CERROR("new_inode -fatal: rc %d\n", rc);
2257 int ll_show_options(struct seq_file *m, struct vfsmount *mnt)
2259 struct ll_sb_info *sbi = ll_s2sbi(mnt->mnt_sb);
2260 struct lustre_mount_data *lmd = sbi->ll_lmd;
2263 seq_printf(m, ",mds_sec=%s,oss_sec=%s",
2264 lmd->lmd_mds_security, lmd->lmd_oss_security);
2266 seq_printf(m, ",%s", sbi->ll_remote ? "remote" : "local");
2267 if (sbi->ll_remote && lmd)
2268 seq_printf(m, ",nllu=%u:%u", lmd->lmd_nllu, lmd->lmd_nllg);
2270 if (lmd && lmd->lmd_pag)
2271 seq_printf(m, ",pag");
2276 int ll_get_fid(struct obd_export *exp, struct lustre_id *idp,
2277 char *filename, struct lustre_id *ret)
2279 struct ptlrpc_request *request = NULL;
2280 struct mds_body *body;
2283 rc = md_getattr_lock(exp, idp, filename, strlen(filename) + 1,
2284 OBD_MD_FID, 0, &request);
2286 CDEBUG(D_INFO, "md_getattr_lock failed on %s: rc %d\n",
2291 body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
2292 LASSERT(body != NULL);
2293 LASSERT_REPSWABBED(request, 0);
2296 ptlrpc_req_finished(request);
2301 int ll_flush_cred(struct inode *inode)
2303 struct ll_sb_info *sbi = ll_i2sbi(inode);
2306 /* XXX to avoid adding api, we simply use set_info() interface
2307 * to notify underlying obds. set_info() is more like a ioctl() now...
2309 if (sbi->ll_md_exp) {
2310 rc = obd_set_info(sbi->ll_md_exp,
2311 strlen("flush_cred"), "flush_cred",
2317 if (sbi->ll_dt_exp) {
2318 rc = obd_set_info(sbi->ll_dt_exp,
2319 strlen("flush_cred"), "flush_cred",