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_audit.h>
38 #include <linux/lustre_gs.h>
39 #include <linux/lustre_sec.h>
40 #include "llite_internal.h"
42 kmem_cache_t *ll_file_data_slab;
43 kmem_cache_t *ll_intent_slab;
45 extern struct address_space_operations ll_aops;
46 extern struct address_space_operations ll_dir_aops;
49 #define log2(n) ffz(~(n))
52 struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
54 struct ll_sb_info *sbi = NULL;
58 OBD_ALLOC(sbi, sizeof(*sbi));
62 spin_lock_init(&sbi->ll_lock);
63 INIT_LIST_HEAD(&sbi->ll_pglist);
64 sbi->ll_pglist_gen = 0;
65 if (num_physpages < SBI_DEFAULT_RA_MAX / 4)
66 sbi->ll_ra_info.ra_max_pages = num_physpages / 4;
68 sbi->ll_ra_info.ra_max_pages = SBI_DEFAULT_RA_MAX;
69 INIT_LIST_HEAD(&sbi->ll_conn_chain);
70 INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list);
71 INIT_LIST_HEAD(&sbi->ll_mnt_list);
73 sema_init(&sbi->ll_gns_sem, 1);
74 spin_lock_init(&sbi->ll_gns_lock);
75 INIT_LIST_HEAD(&sbi->ll_gns_sbi_head);
76 init_waitqueue_head(&sbi->ll_gns_waitq);
77 init_completion(&sbi->ll_gns_mount_finished);
79 /* this later may be reset via /proc/fs/... */
80 memcpy(sbi->ll_gns_oname, ".mntinfo", strlen(".mntinfo"));
81 sbi->ll_gns_oname[strlen(sbi->ll_gns_oname)] = '\0';
83 /* this later may be reset via /proc/fs/... */
84 memcpy(sbi->ll_gns_upcall, "/usr/sbin/gns_upcall",
85 strlen("/usr/sbin/gns_upcall"));
86 sbi->ll_gns_upcall[strlen(sbi->ll_gns_upcall)] = '\0';
88 /* default values, may be changed via /proc/fs/... */
89 sbi->ll_gns_state = LL_GNS_IDLE;
90 sbi->ll_gns_pending_dentry = NULL;
91 atomic_set(&sbi->ll_gns_enabled, 1);
92 sbi->ll_gns_tick = GNS_TICK_TIMEOUT;
93 sbi->ll_gns_timeout = GNS_MOUNT_TIMEOUT;
95 sbi->ll_gns_timer.data = (unsigned long)sbi;
96 sbi->ll_gns_timer.function = ll_gns_timer_callback;
97 init_timer(&sbi->ll_gns_timer);
99 sbi->ll_audit_mask = AUDIT_OFF;
102 generate_random_uuid(uuid);
103 class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
107 void lustre_free_sbi(struct super_block *sb)
109 struct ll_sb_info *sbi = ll_s2sbi(sb);
113 list_del(&sbi->ll_gns_sbi_head);
114 del_timer(&sbi->ll_gns_timer);
115 OBD_FREE(sbi, sizeof(*sbi));
117 ll_set_sbi(sb, NULL);
121 int lustre_init_dt_desc(struct ll_sb_info *sbi)
127 valsize = sizeof(sbi->ll_dt_desc);
128 memset(&sbi->ll_dt_desc, 0, sizeof(sbi->ll_dt_desc));
129 rc = obd_get_info(sbi->ll_dt_exp, strlen("lovdesc") + 1,
130 "lovdesc", &valsize, &sbi->ll_dt_desc);
134 static int lustre_connect_mds(struct super_block *sb, char *lmv,
135 struct obd_connect_data *data,
136 char *mds_security, int async, int pag)
138 struct ll_sb_info *sbi = ll_s2sbi(sb);
139 struct lustre_handle md_conn = {0, };
140 struct obd_device *md_obd;
141 struct obd_statfs osfs;
142 unsigned long sec_flags;
147 md_obd = class_name2obd(lmv);
149 CERROR("MDC %s: not setup or attached\n", lmv);
153 obd_set_info(md_obd->obd_self_export, strlen("async"), "async",
154 sizeof(async), &async);
156 if (mds_security == NULL)
157 mds_security = "null";
159 err = obd_set_info(md_obd->obd_self_export, strlen("sec"), "sec",
160 strlen(mds_security), mds_security);
163 CERROR("LMV %s: failed to set security %s, err %d\n",
164 lmv, mds_security, err);
169 sec_flags = PTLRPC_SEC_FL_PAG;
170 err = obd_set_info(md_obd->obd_self_export,
171 strlen("sec_flags"), "sec_flags",
172 sizeof(sec_flags), &sec_flags);
174 OBD_FREE(data, sizeof(*data));
179 err = obd_connect(&md_conn, md_obd, &sbi->ll_sb_uuid, data,
180 OBD_OPT_REAL_CLIENT);
182 CERROR("An MDS (lmv %s) is performing recovery, of which this"
183 " client is not a part. Please wait for recovery to "
184 "complete, abort, or time out.\n", lmv);
187 CERROR("cannot connect to %s: rc = %d\n", lmv, err);
191 sbi->ll_md_exp = class_conn2export(&md_conn);
193 err = obd_statfs(md_obd, &osfs, jiffies - HZ);
195 GOTO(out_disconnect, err);
197 if (!osfs.os_bsize) {
198 CERROR("Invalid block size is detected.");
199 GOTO(out_disconnect, err);
202 sb->s_magic = LL_SUPER_MAGIC;
203 sb->s_blocksize = osfs.os_bsize;
204 sb->s_blocksize_bits = log2(osfs.os_bsize);
205 sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
207 /* in 2.6.x FS is not allowed to form s_dev */
208 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
212 devno = get_uuid2int((char *)sbi->ll_md_exp->exp_obd->obd_uuid.uuid,
213 strlen((char *)sbi->ll_md_exp->exp_obd->obd_uuid.uuid));
219 /* after statfs, we are supposed to have connected to MDSs,
220 * so it's ok to check remote flag returned.
222 valsize = sizeof(&sbi->ll_remote);
223 err = obd_get_info(sbi->ll_md_exp, strlen("remote_flag"), "remote_flag",
224 &valsize, &sbi->ll_remote);
226 CERROR("fail to obtain remote flag\n");
227 GOTO(out_disconnect, err);
232 obd_disconnect(sbi->ll_md_exp, 0);
237 static int lustre_connect_ost(struct super_block *sb, char *lov,
238 struct obd_connect_data *data,
239 char *oss_security, int async, int pag)
241 struct ll_sb_info *sbi = ll_s2sbi(sb);
242 struct lustre_handle dt_conn = {0, };
243 struct obd_device *obd = NULL;
244 unsigned long sec_flags;
247 obd = class_name2obd(lov);
249 CERROR("OSC %s: not setup or attached\n", lov);
250 GOTO(out, err = -EINVAL);
252 obd_set_info(obd->obd_self_export, strlen("async"), "async",
253 sizeof(async), &async);
255 if (oss_security == NULL)
256 oss_security = "null";
258 err = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
259 strlen(oss_security), oss_security);
261 CERROR("LOV %s: failed to set security %s, err %d\n",
262 lov, oss_security, err);
267 sec_flags = PTLRPC_SEC_FL_PAG;
268 err = obd_set_info(obd->obd_self_export,
269 strlen("sec_flags"), "sec_flags",
270 sizeof(sec_flags), &sec_flags);
272 OBD_FREE(data, sizeof(*data));
277 err = obd_connect(&dt_conn, obd, &sbi->ll_sb_uuid, data, 0);
279 CERROR("An OST (lov %s) is performing recovery, of which this"
280 " client is not a part. Please wait for recovery to "
281 "complete, abort, or time out.\n", lov);
284 CERROR("cannot connect to %s: rc = %d\n", lov, err);
287 sbi->ll_dt_exp = class_conn2export(&dt_conn);
289 err = lustre_init_dt_desc(sbi);
292 CWARN("init dt_desc error %d \n", err);
295 mdsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
296 obd_init_ea_size(sbi->ll_md_exp, mdsize, sbi->ll_dt_desc.ld_tgt_count *
297 sizeof(struct llog_cookie));
302 extern struct dentry_operations ll_d_ops;
304 static int lustre_init_root_inode(struct super_block *sb)
306 struct ll_sb_info *sbi = ll_s2sbi(sb);
307 struct ptlrpc_request *request = NULL;
308 struct inode *root = NULL;
313 err = md_getstatus(sbi->ll_md_exp, &sbi->ll_rootid);
315 CERROR("cannot mds_connect: rc = %d\n", err);
318 CDEBUG(D_SUPER, "rootid "DLID4"\n", OLID4(&sbi->ll_rootid));
320 sb->s_op = &lustre_super_operations;
322 /* make root inode */
323 err = md_getattr(sbi->ll_md_exp, &sbi->ll_rootid,
324 (OBD_MD_FLNOTOBD | OBD_MD_FLBLOCKS | OBD_MD_FID),
325 NULL, NULL, 0, 0, NULL, &request);
327 CERROR("md_getattr failed for root: rc = %d\n", err);
331 err = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
332 sbi->ll_dt_exp, &md);
334 CERROR("failed to understand root inode md: rc = %d\n", err);
335 ptlrpc_req_finished(request);
339 LASSERT(id_ino(&sbi->ll_rootid) != 0);
340 root = ll_iget(sb, id_ino(&sbi->ll_rootid), &md);
342 ptlrpc_req_finished(request);
344 if (root == NULL || is_bad_inode(root)) {
346 obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
348 obd_free_memmd(sbi->ll_md_exp,
349 (struct lov_stripe_md**)&md.mea);
350 CERROR("lustre_lite: bad iget4 for root\n");
351 GOTO(out_root, err = -EBADF);
353 sb->s_root = d_alloc_root(root);
354 sb->s_root->d_op = &ll_d_ops;
362 int lustre_common_fill_super(struct super_block *sb, char *lmv, char *lov,
363 char *gkc, int async, char *mds_security,
364 char *oss_security, __u32 *nllu, int pag,
367 struct ll_sb_info *sbi = ll_s2sbi(sb);
368 struct obd_connect_data *data;
372 /*process the connect flags*/
373 if ((*remote & (OBD_CONNECT_LOCAL | OBD_CONNECT_REMOTE)) ==
374 (OBD_CONNECT_LOCAL | OBD_CONNECT_REMOTE)) {
375 CERROR("wrong remote flag "LPX64"\n", *remote);
379 OBD_ALLOC(data, sizeof(*data));
383 data->ocd_connect_flags |= *remote & (OBD_CONNECT_LOCAL |
385 memcpy(data->ocd_nllu, nllu, sizeof(data->ocd_nllu));
387 if (proc_lustre_fs_root) {
388 err = lprocfs_register_mountpoint(proc_lustre_fs_root,
391 CERROR("could not register mount in /proc/lustre");
395 err = lustre_connect_mds(sb, lmv, data, mds_security, async, pag);
400 err = lustre_connect_ost(sb, lov, data, oss_security, async, pag);
404 err = lustre_init_crypto(sb, gkc, data, async);
406 CERROR("Could not connect to GSS err %d\n", err);
410 err = lustre_init_root_inode(sb);
414 err = ll_close_thread_start(&sbi->ll_lcq);
416 CERROR("cannot start close thread: rc %d\n", err);
420 ll_gns_add_timer(sbi);
422 /* making vm readahead 0 for 2.4.x. In the case of 2.6.x,
423 backing dev info assigned to inode mapping is used for
424 determining maximal readahead. */
425 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) && \
426 !defined(KERNEL_HAS_AS_MAX_READAHEAD)
427 /* bug 2805 - set VM readahead to zero */
428 vm_max_readahead = vm_min_readahead = 0;
430 sb->s_flags |= MS_POSIXACL;
432 CWARN("Enabling PDIROPS\n");
433 sb->s_flags |= S_PDIROPS;
436 OBD_FREE(data, sizeof(*data));
442 lustre_destroy_crypto(sb);
444 obd_disconnect(sbi->ll_md_exp, 0);
447 OBD_FREE(data, sizeof(*data));
448 lprocfs_unregister_mountpoint(sbi);
452 void lustre_common_put_super(struct super_block *sb)
454 struct ll_sb_info *sbi = ll_s2sbi(sb);
455 struct hlist_node *tmp, *next;
458 ll_gns_del_timer(sbi);
459 ll_close_thread_stop(sbi->ll_lcq);
461 lustre_destroy_crypto(sb);
463 list_del(&sbi->ll_conn_chain);
464 obd_disconnect(sbi->ll_dt_exp, 0);
466 lprocfs_unregister_mountpoint(sbi);
467 if (sbi->ll_proc_root) {
468 lprocfs_remove(sbi->ll_proc_root);
469 sbi->ll_proc_root = NULL;
472 obd_disconnect(sbi->ll_md_exp, 0);
474 // We do this to get rid of orphaned dentries. That is not really trw.
475 hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) {
476 struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash);
477 CWARN("orphan dentry %.*s (%p->%p) at unmount\n",
478 dentry->d_name.len, dentry->d_name.name, dentry, next);
479 shrink_dcache_parent(dentry);
484 char *ll_read_opt(const char *opt, char *data)
490 CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
491 if (strncmp(opt, data, strlen(opt)))
493 if ((value = strchr(data, '=')) == NULL)
497 OBD_ALLOC(retval, strlen(value) + 1);
499 CERROR("out of memory!\n");
503 memcpy(retval, value, strlen(value)+1);
504 CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
508 int ll_set_opt(const char *opt, char *data, int fl)
512 CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
513 if (strncmp(opt, data, strlen(opt)))
519 void ll_options(char *options, char **lov, char **lmv, char **gkc,
520 char **mds_sec, char **oss_sec, int *async, int *flags)
523 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
524 char *opt_ptr = options;
534 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
535 for (this_char = strtok (options, ",");
537 this_char = strtok (NULL, ",")) {
539 while ((this_char = strsep (&opt_ptr, ",")) != NULL) {
541 CDEBUG(D_SUPER, "this_char %s\n", this_char);
542 if (!*lov && (*lov = ll_read_opt("osc", this_char)))
544 if (!*lmv && (*lmv = ll_read_opt("mdc", this_char)))
546 if (!*gkc && (*gkc = ll_read_opt("gkc", this_char)))
548 if (!strncmp(this_char, "lasync", strlen("lasync"))) {
552 if (!*mds_sec && (*mds_sec = ll_read_opt("mds_sec", this_char)))
554 if (!*oss_sec && (*oss_sec = ll_read_opt("oss_sec", this_char)))
556 if (!(*flags & LL_SBI_NOLCK) &&
557 ((*flags) = (*flags) |
558 ll_set_opt("nolock", this_char,
566 void ll_lli_init(struct ll_inode_info *lli)
568 sema_init(&lli->lli_open_sem, 1);
569 sema_init(&lli->lli_size_sem, 1);
571 lli->lli_size_pid = 0;
572 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
573 spin_lock_init(&lli->lli_lock);
574 INIT_LIST_HEAD(&lli->lli_pending_write_llaps);
575 INIT_LIST_HEAD(&lli->lli_close_item);
576 lli->lli_inode_magic = LLI_INODE_MAGIC;
577 memset(&lli->lli_id, 0, sizeof(lli->lli_id));
578 sema_init(&lli->lli_och_sem, 1);
579 lli->lli_mds_read_och = lli->lli_mds_write_och = NULL;
580 lli->lli_mds_exec_och = NULL;
581 lli->lli_open_fd_read_count = lli->lli_open_fd_write_count = 0;
582 lli->lli_open_fd_exec_count = 0;
583 lli->lli_audit_mask = AUDIT_OFF;
584 lli->lli_key_info = NULL;
585 init_waitqueue_head(&lli->lli_dirty_wait);
586 lli->lli_io_epoch = 0;
587 INIT_LIST_HEAD(&lli->lli_capas);
590 int ll_fill_super(struct super_block *sb, void *data, int silent)
592 struct ll_sb_info *sbi;
593 char *lov = NULL, *lmv = NULL, *gkc = NULL;
594 char *mds_sec = NULL;
595 char *oss_sec = NULL;
597 __u32 nllu[2] = { NOBODY_UID, NOBODY_GID };
598 __u64 remote_flag = 0;
601 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
603 sbi = lustre_init_sbi(sb);
607 sbi->ll_flags |= LL_SBI_READAHEAD;
608 ll_options(data, &lov, &lmv, &gkc, &mds_sec, &oss_sec,
609 &async, &sbi->ll_flags);
612 CERROR("no osc %p or no mdc %p\n", lov, lmv);
613 GOTO(out, err = -EINVAL);
616 err = lustre_common_fill_super(sb, lmv, lov, gkc, async, mds_sec,
617 oss_sec, nllu, 0, &remote_flag);
624 OBD_FREE(lmv, strlen(lmv) + 1);
626 OBD_FREE(lov, strlen(lov) + 1);
628 OBD_FREE(mds_sec, strlen(mds_sec) + 1);
630 OBD_FREE(oss_sec, strlen(oss_sec) + 1);
632 OBD_FREE(gkc, strlen(gkc) + 1);
635 } /* ll_read_super */
637 static int lustre_process_log(struct lustre_mount_data *lmd, char *profile,
638 struct config_llog_instance *cfg, int allow_recov)
640 struct lustre_cfg *lcfg = NULL;
641 struct lustre_cfg_bufs bufs;
642 struct portals_cfg pcfg;
643 char *peer = "MDS_PEER_UUID";
644 struct obd_device *obd;
645 struct lustre_handle md_conn = {0, };
646 struct obd_export *exp;
647 char *name = "mdc_dev";
649 struct obd_uuid lmv_uuid;
650 struct llog_ctxt *ctxt;
654 if (lmd_bad_magic(lmd))
657 generate_random_uuid(uuid);
658 class_uuid_unparse(uuid, &lmv_uuid);
660 if (lmd->lmd_local_nid) {
661 PCFG_INIT(pcfg, NAL_CMD_REGISTER_MYNID);
662 pcfg.pcfg_nal = lmd->lmd_nal;
663 pcfg.pcfg_nid = lmd->lmd_local_nid;
664 rc = libcfs_nal_cmd(&pcfg);
669 if (lmd->lmd_nal == SOCKNAL ||
670 lmd->lmd_nal == OPENIBNAL ||
671 lmd->lmd_nal == IIBNAL ||
672 lmd->lmd_nal == VIBNAL ||
673 lmd->lmd_nal == RANAL) {
674 PCFG_INIT(pcfg, NAL_CMD_ADD_PEER);
675 pcfg.pcfg_nal = lmd->lmd_nal;
676 pcfg.pcfg_nid = lmd->lmd_server_nid;
677 pcfg.pcfg_id = lmd->lmd_server_ipaddr;
678 pcfg.pcfg_misc = lmd->lmd_port;
679 rc = libcfs_nal_cmd(&pcfg);
683 lustre_cfg_bufs_reset(&bufs, name);
684 lustre_cfg_bufs_set_string(&bufs, 1, peer);
686 lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
687 lcfg->lcfg_nal = lmd->lmd_nal;
688 lcfg->lcfg_nid = lmd->lmd_server_nid;
689 LASSERT(lcfg->lcfg_nal);
690 LASSERT(lcfg->lcfg_nid);
691 err = class_process_config(lcfg);
692 lustre_cfg_free(lcfg);
694 GOTO(out_del_conn, err);
696 lustre_cfg_bufs_reset(&bufs, name);
697 lustre_cfg_bufs_set_string(&bufs, 1, OBD_MDC_DEVICENAME);
698 lustre_cfg_bufs_set_string(&bufs, 2, (char *)lmv_uuid.uuid);
700 lcfg = lustre_cfg_new(LCFG_ATTACH, &bufs);
701 err = class_process_config(lcfg);
702 lustre_cfg_free(lcfg);
704 GOTO(out_del_uuid, err);
706 lustre_cfg_bufs_reset(&bufs, name);
707 lustre_cfg_bufs_set_string(&bufs, 1, lmd->lmd_mds);
708 lustre_cfg_bufs_set_string(&bufs, 2, peer);
710 lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
711 err = class_process_config(lcfg);
712 lustre_cfg_free(lcfg);
714 GOTO(out_detach, err);
716 obd = class_name2obd(name);
718 GOTO(out_cleanup, rc = -EINVAL);
720 rc = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
721 strlen(lmd->lmd_mds_security), lmd->lmd_mds_security);
723 GOTO(out_cleanup, rc);
726 unsigned long sec_flags = PTLRPC_SEC_FL_PAG;
727 rc = obd_set_info(obd->obd_self_export,
728 strlen("sec_flags"), "sec_flags",
729 sizeof(sec_flags), &sec_flags);
731 GOTO(out_cleanup, rc);
734 /* Disable initial recovery on this import */
735 rc = obd_set_info(obd->obd_self_export,
736 strlen("initial_recov"), "initial_recov",
737 sizeof(allow_recov), &allow_recov);
739 GOTO(out_cleanup, rc);
741 rc = obd_connect(&md_conn, obd, &lmv_uuid, NULL, OBD_OPT_REAL_CLIENT);
743 CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, rc);
744 GOTO(out_cleanup, rc);
747 exp = class_conn2export(&md_conn);
749 ctxt = llog_get_context(&exp->exp_obd->obd_llogs,LLOG_CONFIG_REPL_CTXT);
750 rc = class_config_process_llog(ctxt, profile, cfg);
752 CERROR("class_config_process_llog failed: rc = %d\n", rc);
754 err = obd_disconnect(exp, 0);
758 lustre_cfg_bufs_reset(&bufs, name);
759 lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
760 err = class_process_config(lcfg);
761 lustre_cfg_free(lcfg);
765 lustre_cfg_bufs_reset(&bufs, name);
766 lcfg = lustre_cfg_new(LCFG_DETACH, &bufs);
767 err = class_process_config(lcfg);
768 lustre_cfg_free(lcfg);
773 lustre_cfg_bufs_reset(&bufs, name);
774 lustre_cfg_bufs_set_string(&bufs, 1, peer);
775 lcfg = lustre_cfg_new(LCFG_DEL_UUID, &bufs);
776 err = class_process_config(lcfg);
777 lustre_cfg_free(lcfg);
780 if (lmd->lmd_nal == SOCKNAL ||
781 lmd->lmd_nal == OPENIBNAL ||
782 lmd->lmd_nal == IIBNAL ||
783 lmd->lmd_nal == VIBNAL ||
784 lmd->lmd_nal == RANAL) {
787 PCFG_INIT(pcfg, NAL_CMD_DEL_PEER);
788 pcfg.pcfg_nal = lmd->lmd_nal;
789 pcfg.pcfg_nid = lmd->lmd_server_nid;
790 pcfg.pcfg_flags = 1; /* single_share */
791 err2 = libcfs_nal_cmd(&pcfg);
804 static void lustre_manual_cleanup(struct ll_sb_info *sbi)
806 struct lustre_cfg *lcfg;
807 struct lustre_cfg_bufs bufs;
808 struct obd_device *obd;
811 while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL) {
814 lustre_cfg_bufs_reset(&bufs, obd->obd_name);
815 lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
816 err = class_process_config(lcfg);
818 CERROR("cleanup failed: %s\n", obd->obd_name);
822 lcfg->lcfg_command = LCFG_DETACH;
823 err = class_process_config(lcfg);
824 lustre_cfg_free(lcfg);
826 CERROR("detach failed: %s\n", obd->obd_name);
831 if (sbi->ll_lmd != NULL)
832 class_del_profile(sbi->ll_lmd->lmd_profile);
835 static int lustre_process_profile(struct super_block *sb,
836 struct lustre_mount_data *lmd,
837 char **lov, char **lmv, char **gkc)
839 struct ll_sb_info *sbi = ll_s2sbi(sb);
840 struct config_llog_instance cfg;
841 struct lustre_profile *lprof;
845 if (!lmd->lmd_profile)
848 if (lmd->lmd_mds[0] == '\0') {
849 CERROR("no mds name\n");
850 GOTO(out, err = -EINVAL);
852 lmd->lmd_mds_security[sizeof(lmd->lmd_mds_security) - 1] = 0;
853 lmd->lmd_oss_security[sizeof(lmd->lmd_oss_security) - 1] = 0;
855 OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
856 if (sbi->ll_lmd == NULL)
857 GOTO(out, err = -ENOMEM);
858 memcpy(sbi->ll_lmd, lmd, sizeof(*lmd));
860 /* generate a string unique to this super, let's try the address of the
862 len = (sizeof(sb) * 2) + 1;
863 OBD_ALLOC(sbi->ll_instance, len);
864 if (sbi->ll_instance == NULL)
865 GOTO(out, err = -ENOMEM);
866 sprintf(sbi->ll_instance, "%p", sb);
868 cfg.cfg_instance = sbi->ll_instance;
869 cfg.cfg_uuid = sbi->ll_sb_uuid;
870 cfg.cfg_local_nid = lmd->lmd_local_nid;
871 err = lustre_process_log(lmd, lmd->lmd_profile, &cfg, 0);
873 CERROR("Unable to process log: %s\n", lmd->lmd_profile);
877 lprof = class_get_profile(lmd->lmd_profile);
879 CERROR("No profile found: %s\n", lmd->lmd_profile);
880 GOTO(out, err = -EINVAL);
883 OBD_ALLOC(*lov, strlen(lprof->lp_lov) +
884 strlen(sbi->ll_instance) + 2);
886 GOTO(out, err = -ENOMEM);
888 sprintf(*lov, "%s-%s", lprof->lp_lov, sbi->ll_instance);
890 OBD_ALLOC(*lmv, strlen(lprof->lp_lmv) +
891 strlen(sbi->ll_instance) + 2);
893 GOTO(out_free_lov, err = -ENOMEM);
895 sprintf(*lmv, "%s-%s", lprof->lp_lmv, sbi->ll_instance);
898 OBD_ALLOC(*gkc, strlen(lprof->lp_gkc) +
899 strlen(sbi->ll_instance) + 2);
901 GOTO(out_free_lmv, err = -ENOMEM);
903 sprintf(*gkc, "%s-%s", lprof->lp_gkc, sbi->ll_instance);
908 OBD_FREE(*lmv, strlen(lprof->lp_lmv) +
909 strlen(sbi->ll_instance) + 2);
911 OBD_FREE(*lov, strlen(lprof->lp_lov) +
912 strlen(sbi->ll_instance) + 2);
917 static int lustre_clean_profile(struct ll_sb_info *sbi, int force_umount)
919 struct lustre_mount_data *lmd = sbi->ll_lmd;
920 struct config_llog_instance cfg;
928 len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean") + 1;
931 CERROR("force umount, doing manual cleanup\n");
932 lustre_manual_cleanup(sbi);
936 if (sbi->ll_instance != NULL) {
937 cfg.cfg_instance = sbi->ll_instance;
938 cfg.cfg_uuid = sbi->ll_sb_uuid;
940 OBD_ALLOC(cl_prof, len);
942 CERROR("can't allocate memory, "
943 "skipping processing cleanup profile.\n");
944 GOTO(free_lmd, err = -ENOMEM);
947 sprintf(cl_prof, "%s-clean", lmd->lmd_profile);
948 err = lustre_process_log(lmd, cl_prof, &cfg, 0);
950 CERROR("Unable to process log: %s\n", cl_prof);
951 lustre_manual_cleanup(sbi);
953 OBD_FREE(cl_prof, len);
957 if (sbi->ll_instance)
958 OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance) + 1);
959 OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
963 int lustre_fill_super(struct super_block *sb, void *data, int silent)
965 struct lustre_mount_data * lmd = data;
966 char *lov = NULL, *lmv = NULL, *gkc = NULL;
967 struct ll_sb_info *sbi;
971 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
972 if (lmd_bad_magic(lmd))
975 sbi = lustre_init_sbi(sb);
979 sbi->ll_flags |= LL_SBI_READAHEAD;
981 err = lustre_process_profile(sb, lmd, &lov, &lmv, &gkc);
983 CERROR("Can not process the profile err %d \n", err);
987 CERROR("no osc %p or no mdc %p \n", lov, lmv);
988 GOTO(out_free, err = -EINVAL);
991 err = lustre_common_fill_super(sb, lmv, lov, gkc, lmd->lmd_async,
992 lmd->lmd_mds_security,
993 lmd->lmd_oss_security,
994 &lmd->lmd_nllu, lmd->lmd_pag,
995 &lmd->lmd_remote_flag);
1003 OBD_FREE(lmv, strlen(lmv) + 1);
1005 OBD_FREE(lov, strlen(lov) + 1);
1007 OBD_FREE(gkc, strlen(gkc) + 1);
1011 lustre_clean_profile(sbi, 0);
1012 lustre_free_sbi(sb);
1015 } /* lustre_fill_super */
1017 void lustre_put_super(struct super_block *sb)
1019 struct obd_device *obd;
1020 struct ll_sb_info *sbi = ll_s2sbi(sb);
1021 int force_umount = 0;
1024 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
1025 obd = class_exp2obd(sbi->ll_md_exp);
1027 force_umount = obd->obd_no_recov;
1030 lustre_common_put_super(sb);
1031 lustre_clean_profile(sbi, force_umount);
1032 lustre_free_sbi(sb);
1035 } /* lustre_put_super */
1037 int ll_process_config_update(struct ll_sb_info *sbi, int clean)
1039 struct lustre_mount_data *lmd = sbi->ll_lmd;
1040 char *profile = lmd->lmd_profile, *name = NULL;
1041 struct config_llog_instance cfg;
1042 int rc, namelen = 0;
1043 struct llog_ctxt *ctxt;
1046 if (profile == NULL)
1049 CERROR("Client not mounted with zero-conf; cannot "
1050 "process update log.\n");
1054 cfg.cfg_instance = sbi->ll_instance;
1055 cfg.cfg_uuid = sbi->ll_sb_uuid;
1056 cfg.cfg_local_nid = lmd->lmd_local_nid;
1058 namelen = strlen(profile) + 20; /* -clean-######### */
1059 OBD_ALLOC(name, namelen);
1064 version = sbi->ll_config_version - 1;
1065 sprintf(name, "%s-clean-%d", profile, version);
1067 version = sbi->ll_config_version + 1;
1068 sprintf(name, "%s-%d", profile, version);
1072 sprintf(name, "%s-clean", profile);
1074 sprintf(name, "%s", profile);
1077 CWARN("Applying configuration log %s\n", name);
1079 ctxt = llog_get_context(&sbi->ll_md_exp->exp_obd->obd_llogs,
1080 LLOG_CONFIG_REPL_CTXT);
1081 rc = class_config_process_llog(ctxt, name, &cfg);
1083 CWARN("Finished applying configuration log %s: %d\n", name, rc);
1085 if (rc == 0 && clean == 0) {
1086 struct lov_desc desc;
1090 valsize = sizeof(desc);
1091 rc = obd_get_info(sbi->ll_dt_exp, strlen("lovdesc") + 1,
1092 "lovdesc", &valsize, &desc);
1094 rc = obd_init_ea_size(sbi->ll_md_exp,
1095 obd_size_diskmd(sbi->ll_dt_exp, NULL),
1096 (desc.ld_tgt_count *
1097 sizeof(struct llog_cookie)));
1099 OBD_FREE(name, namelen);
1103 struct inode *ll_inode_from_lock(struct ldlm_lock *lock)
1105 struct inode *inode = NULL;
1107 /* NOTE: we depend on atomic igrab() -bzzz */
1108 lock_res_and_lock(lock);
1109 if (lock->l_ast_data) {
1110 struct ll_inode_info *lli = ll_i2info(lock->l_ast_data);
1111 if (lli->lli_inode_magic == LLI_INODE_MAGIC) {
1112 inode = igrab(lock->l_ast_data);
1115 do_gettimeofday(&now);
1116 inode = lock->l_ast_data;
1117 LDLM_ERROR(lock, "granted at %lu.%lu, now %lu.%lu",
1118 lock->l_enqueued_time.tv_sec,
1119 lock->l_enqueued_time.tv_usec,
1120 now.tv_sec, now.tv_usec);
1121 CDEBUG(inode->i_state & I_FREEING ? D_INFO : D_WARNING,
1122 "l_ast_data %p is bogus: magic %0x8\n",
1123 lock->l_ast_data, lli->lli_inode_magic);
1124 CDEBUG(D_ERROR, "i_state = 0x%lx, l_ast_data %p is bogus: magic %0x8\n",
1125 inode->i_state, lock->l_ast_data, lli->lli_inode_magic);
1127 unlock_res_and_lock(lock);
1131 unlock_res_and_lock(lock);
1135 int null_if_equal(struct ldlm_lock *lock, void *data)
1137 if (data == lock->l_ast_data) {
1138 lock->l_ast_data = NULL;
1140 if (lock->l_req_mode != lock->l_granted_mode)
1141 LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
1144 return LDLM_ITER_CONTINUE;
1147 static void remote_acl_free(struct remote_acl *racl);
1149 void ll_clear_inode(struct inode *inode)
1151 struct lustre_id id;
1152 struct ll_inode_info *lli = ll_i2info(inode);
1153 struct ll_sb_info *sbi = ll_i2sbi(inode);
1154 struct obd_capa *ocapa, *tmp;
1157 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
1158 inode->i_generation, inode);
1160 LASSERT(ll_is_inode_dirty(inode) == 0);
1161 ll_inode2id(&id, inode);
1163 clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(ll_i2info(inode)->lli_flags));
1164 md_change_cbdata(sbi->ll_md_exp, &id, null_if_equal, inode);
1166 LASSERT(!lli->lli_open_fd_write_count);
1167 LASSERT(!lli->lli_open_fd_read_count);
1168 LASSERT(!lli->lli_open_fd_exec_count);
1169 if (lli->lli_mds_write_och)
1170 ll_md_real_close(sbi->ll_md_exp, inode, FMODE_WRITE);
1171 if (lli->lli_mds_exec_och)
1172 ll_md_real_close(sbi->ll_md_exp, inode, FMODE_EXEC);
1173 if (lli->lli_mds_read_och)
1174 ll_md_real_close(sbi->ll_md_exp, inode, FMODE_READ);
1176 obd_change_cbdata(sbi->ll_dt_exp, lli->lli_smd,
1177 null_if_equal, inode);
1180 obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
1181 lli->lli_smd = NULL;
1185 obd_free_memmd(sbi->ll_md_exp,
1186 (struct lov_stripe_md **) &lli->lli_mea);
1187 lli->lli_mea = NULL;
1189 ll_crypto_destroy_inode_key(inode);
1190 if (lli->lli_symlink_name) {
1191 OBD_FREE(lli->lli_symlink_name,
1192 strlen(lli->lli_symlink_name) + 1);
1193 lli->lli_symlink_name = NULL;
1196 if (lli->lli_posix_acl) {
1197 LASSERT(lli->lli_remote_acl == NULL);
1198 posix_acl_release(lli->lli_posix_acl);
1199 lli->lli_posix_acl = NULL;
1202 if (lli->lli_remote_acl) {
1203 LASSERT(lli->lli_posix_acl == NULL);
1204 remote_acl_free(lli->lli_remote_acl);
1205 lli->lli_remote_acl = NULL;
1208 list_for_each_entry_safe(ocapa, tmp, &lli->lli_capas, u.client.lli_list)
1211 lli->lli_inode_magic = LLI_INODE_DEAD;
1215 /* If this inode has objects allocated to it (lsm != NULL), then the OST
1216 * object(s) determine the file size and mtime. Otherwise, the MDS will
1217 * keep these values until such a time that objects are allocated for it.
1218 * We do the MDS operations first, as it is checking permissions for us.
1219 * We don't to the MDS RPC if there is nothing that we want to store there,
1220 * otherwise there is no harm in updating mtime/atime on the MDS if we are
1221 * going to do an RPC anyways.
1223 * If we are doing a truncate, we will send the mtime and ctime updates
1224 * to the OST with the punch RPC, otherwise we do an explicit setattr RPC.
1225 * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
1228 int ll_setattr_raw(struct inode *inode, struct iattr *attr)
1230 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
1231 struct ll_inode_info *lli = ll_i2info(inode);
1232 struct ll_sb_info *sbi = ll_i2sbi(inode);
1233 struct ptlrpc_request *request = NULL;
1234 struct mdc_op_data *op_data;
1235 int ia_valid = attr->ia_valid;
1239 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
1240 lprocfs_counter_incr(ll_i2sbi(inode)->ll_stats, LPROC_LL_SETATTR);
1242 if (ia_valid & ATTR_SIZE) {
1243 if (attr->ia_size > ll_file_maxbytes(inode)) {
1244 CDEBUG(D_INODE, "file too large %llu > "LPU64"\n",
1245 attr->ia_size, ll_file_maxbytes(inode));
1249 attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
1252 /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
1253 if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
1254 if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
1258 /* We mark all of the fields "set" so MDS/OST does not re-set them */
1259 if (attr->ia_valid & ATTR_CTIME) {
1260 attr->ia_ctime = CURRENT_TIME;
1261 attr->ia_valid |= ATTR_CTIME_SET;
1263 if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) {
1264 attr->ia_atime = CURRENT_TIME;
1265 attr->ia_valid |= ATTR_ATIME_SET;
1267 if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
1268 attr->ia_mtime = CURRENT_TIME;
1269 attr->ia_valid |= ATTR_MTIME_SET;
1272 if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
1273 CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
1274 LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
1275 LTIME_S(CURRENT_TIME));
1277 /* If only OST attributes being set on objects, don't do MDS RPC.
1278 * In that case, we need to check permissions and update the local
1279 * inode ourselves so we can call obdo_from_inode() always. */
1280 if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN /*| ATTR_RAW*/) : ~0)) {
1281 struct lustre_md md;
1285 OBD_ALLOC(op_data, sizeof(*op_data));
1286 if (op_data == NULL)
1288 ll_inode2mdc_data(op_data, inode, (OBD_MD_FLID | OBD_MD_MEA));
1290 if (ia_valid & (ATTR_UID | ATTR_GID | ATTR_MODE)) {
1291 rc = ll_crypto_get_mac(inode, attr, NULL, 0, &key,
1294 CERROR("can not get right mac, rc=%d\n", rc);
1295 if (key && key_size)
1296 OBD_FREE(key, key_size);
1300 rc = md_setattr(sbi->ll_md_exp, op_data,
1301 attr, key, key_size, NULL, 0, NULL,
1303 OBD_FREE(op_data, sizeof(*op_data));
1305 if (key && key_size)
1306 OBD_FREE(key, key_size);
1308 ptlrpc_req_finished(request);
1309 if (rc != -EPERM && rc != -EACCES)
1310 CERROR("md_setattr fails: rc = %d\n", rc);
1313 rc = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
1314 sbi->ll_dt_exp, &md);
1316 ptlrpc_req_finished(request);
1320 if (attr->ia_valid & ATTR_SIZE) {
1321 rc = ll_set_trunc_capa(request, 0, inode);
1323 ptlrpc_req_finished(request);
1328 /* We call inode_setattr to adjust timestamps, but we first
1329 * clear ATTR_SIZE to avoid invoking vmtruncate.
1331 * NB: ATTR_SIZE will only be set at this point if the size
1332 * resides on the MDS, ie, this file has no objects. */
1333 attr->ia_valid &= ~ATTR_SIZE;
1336 * assigning inode_setattr() to @err to disable warning that
1337 * function's result should be checked by by caller. error is
1338 * impossible here, as vmtruncate() control path is disabled.
1340 err = inode_setattr(inode, attr);
1341 ll_update_inode(inode, &md);
1342 ptlrpc_req_finished(request);
1344 if (!lsm || !S_ISREG(inode->i_mode)) {
1345 CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
1349 /* The OST doesn't check permissions, but the alternative is
1350 * a gratuitous RPC to the MDS. We already rely on the client
1351 * to do read/write/truncate permission checks, so is mtime OK?
1353 if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
1354 /* from sys_utime() */
1355 if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
1356 if (current->fsuid != inode->i_uid &&
1357 (rc = ll_permission(inode, MAY_WRITE, NULL)) != 0)
1360 /* from inode_change_ok() */
1361 if (current->fsuid != inode->i_uid &&
1362 !capable(CAP_FOWNER))
1368 attr->ia_valid &= ~ATTR_SIZE;
1370 /* won't invoke vmtruncate, as we already cleared ATTR_SIZE */
1371 err = inode_setattr(inode, attr);
1373 * assigning inode_setattr() to @err to disable warning that
1374 * function's result should be checked by by caller. error is
1375 * impossible here, as vmtruncate() control path is disabled.
1379 /* We really need to get our PW lock before we change inode->i_size.
1380 * If we don't we can race with other i_size updaters on our node, like
1381 * ll_file_read. We can also race with i_size propogation to other
1382 * nodes through dirtying and writeback of final cached pages. This
1383 * last one is especially bad for racing o_append users on other
1385 if (ia_valid & ATTR_SIZE) {
1386 ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
1388 struct lustre_handle lockh = { 0 };
1389 int err, ast_flags = 0;
1390 /* XXX when we fix the AST intents to pass the discard-range
1391 * XXX extent, make ast_flags always LDLM_AST_DISCARD_DATA
1393 if (attr->ia_size == 0)
1394 ast_flags = LDLM_AST_DISCARD_DATA;
1396 rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh,
1397 ast_flags, &ll_i2sbi(inode)->ll_seek_stime);
1402 down(&lli->lli_size_sem);
1403 lli->lli_size_pid = current->pid;
1404 rc = vmtruncate(inode, attr->ia_size);
1406 LASSERT(atomic_read(&lli->lli_size_sem.count) <= 0);
1407 lli->lli_size_pid = 0;
1408 up(&lli->lli_size_sem);
1411 err = ll_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
1413 CERROR("ll_extent_unlock failed: %d\n", err);
1417 } else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET | ATTR_UID | ATTR_GID)) {
1418 struct obdo *oa = NULL;
1420 CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
1421 inode->i_ino, LTIME_S(attr->ia_mtime));
1427 oa->o_id = lsm->lsm_object_id;
1428 oa->o_gr = lsm->lsm_object_gr;
1429 oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
1431 /* adding uid and gid, needed for quota */
1432 if (ia_valid & ATTR_UID) {
1433 oa->o_uid = inode->i_uid;
1434 oa->o_valid |= OBD_MD_FLUID;
1437 if (ia_valid & ATTR_GID) {
1438 oa->o_gid = inode->i_gid;
1439 oa->o_valid |= OBD_MD_FLGID;
1442 *(obdo_id(oa)) = lli->lli_id;
1443 oa->o_valid |= OBD_MD_FLIFID;
1445 obdo_from_inode(oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
1446 OBD_MD_FLMTIME | OBD_MD_FLCTIME);
1447 rc = obd_setattr(sbi->ll_dt_exp, oa, lsm, NULL, NULL);
1450 CERROR("obd_setattr fails: rc = %d\n", rc);
1456 int ll_setattr(struct dentry *de, struct iattr *attr)
1458 LASSERT(de->d_inode);
1459 return ll_setattr_raw(de->d_inode, attr);
1462 int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
1463 unsigned long max_age)
1465 struct ll_sb_info *sbi = ll_s2sbi(sb);
1466 struct obd_statfs obd_osfs;
1470 rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age);
1472 CERROR("obd_statfs fails: rc = %d\n", rc);
1476 osfs->os_type = sb->s_magic;
1478 CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1479 osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
1481 rc = obd_statfs(class_exp2obd(sbi->ll_dt_exp), &obd_osfs, max_age);
1483 CERROR("obd_statfs fails: rc = %d\n", rc);
1487 CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1488 obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
1491 osfs->os_blocks = obd_osfs.os_blocks;
1492 osfs->os_bfree = obd_osfs.os_bfree;
1493 osfs->os_bavail = obd_osfs.os_bavail;
1495 /* If we don't have as many objects free on the OST as inodes
1496 * on the MDS, we reduce the total number of inodes to
1497 * compensate, so that the "inodes in use" number is correct.
1499 if (obd_osfs.os_ffree < osfs->os_ffree) {
1500 osfs->os_files = (osfs->os_files - osfs->os_ffree) +
1502 osfs->os_ffree = obd_osfs.os_ffree;
1508 int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
1510 struct obd_statfs osfs;
1513 CDEBUG(D_VFSTRACE, "VFS Op: superblock %p\n", sb);
1514 lprocfs_counter_incr(ll_s2sbi(sb)->ll_stats, LPROC_LL_STAFS);
1516 /* For now we will always get up-to-date statfs values, but in the
1517 * future we may allow some amount of caching on the client (e.g.
1518 * from QOS or lprocfs updates). */
1519 rc = ll_statfs_internal(sb, &osfs, jiffies - 1);
1523 statfs_unpack(sfs, &osfs);
1525 if (sizeof(sfs->f_blocks) == 4) {
1526 while (osfs.os_blocks > ~0UL) {
1529 osfs.os_blocks >>= 1;
1530 osfs.os_bfree >>= 1;
1531 osfs.os_bavail >>= 1;
1535 sfs->f_blocks = osfs.os_blocks;
1536 sfs->f_bfree = osfs.os_bfree;
1537 sfs->f_bavail = osfs.os_bavail;
1543 /********************************
1545 ********************************/
1547 static struct remote_acl *remote_acl_alloc(void)
1549 struct remote_acl *racl;
1552 OBD_ALLOC(racl, sizeof(*racl));
1556 spin_lock_init(&racl->ra_lock);
1557 init_MUTEX(&racl->ra_update_sem);
1559 for (i = 0; i < REMOTE_ACL_HASHSIZE; i++)
1560 INIT_LIST_HEAD(&racl->ra_perm_cache[i]);
1566 * caller should guarantee no race here.
1568 static void remote_perm_flush_xperms(struct lustre_remote_perm *perm)
1570 struct remote_perm_setxid *xperm;
1572 while (!list_empty(&perm->lrp_setxid_perms)) {
1573 xperm = list_entry(perm->lrp_setxid_perms.next,
1574 struct remote_perm_setxid,
1576 list_del(&xperm->list);
1577 OBD_FREE(xperm, sizeof(*xperm));
1582 * caller should guarantee no race here.
1584 static void remote_acl_flush(struct remote_acl *racl)
1586 struct list_head *head;
1587 struct lustre_remote_perm *perm, *tmp;
1590 for (i = 0; i < REMOTE_ACL_HASHSIZE; i++) {
1591 head = &racl->ra_perm_cache[i];
1593 list_for_each_entry_safe(perm, tmp, head, lrp_list) {
1594 remote_perm_flush_xperms(perm);
1595 list_del(&perm->lrp_list);
1596 OBD_FREE(perm, sizeof(*perm));
1601 static void remote_acl_free(struct remote_acl *racl)
1606 down(&racl->ra_update_sem);
1607 spin_lock(&racl->ra_lock);
1608 remote_acl_flush(racl);
1609 spin_unlock(&racl->ra_lock);
1610 up(&racl->ra_update_sem);
1612 OBD_FREE(racl, sizeof(*racl));
1615 static inline int remote_acl_hashfunc(__u32 id)
1617 return (id & (REMOTE_ACL_HASHSIZE - 1));
1621 int __remote_acl_check(struct remote_acl *racl, unsigned int *perm)
1623 struct list_head *head;
1624 struct lustre_remote_perm *lperm;
1625 struct remote_perm_setxid *xperm;
1626 int found = 0, rc = -ENOENT;
1629 head = &racl->ra_perm_cache[remote_acl_hashfunc(current->uid)];
1630 spin_lock(&racl->ra_lock);
1632 list_for_each_entry(lperm, head, lrp_list) {
1633 if (lperm->lrp_auth_uid == current->uid) {
1642 if (lperm->lrp_auth_uid == current->fsuid &&
1643 lperm->lrp_auth_gid == current->fsgid) {
1644 if (lperm->lrp_valid) {
1645 *perm = lperm->lrp_perm;
1649 } else if ((!lperm->lrp_setuid &&
1650 lperm->lrp_auth_uid != current->fsuid) ||
1651 (!lperm->lrp_setgid &&
1652 lperm->lrp_auth_gid != current->fsgid)) {
1658 list_for_each_entry(xperm, &lperm->lrp_setxid_perms, list) {
1659 if (xperm->uid == current->fsuid &&
1660 xperm->gid == current->fsgid) {
1661 *perm = xperm->perm;
1668 spin_unlock(&racl->ra_lock);
1673 int __remote_acl_update(struct remote_acl *racl,
1674 struct mds_remote_perm *mperm,
1675 struct lustre_remote_perm *lperm,
1676 struct remote_perm_setxid *xperm)
1678 struct list_head *head;
1679 struct lustre_remote_perm *lp;
1680 struct remote_perm_setxid *xp;
1681 int found = 0, setuid = 0, setgid = 0;
1686 LASSERT(current->uid == mperm->mrp_auth_uid);
1688 if (current->fsuid != mperm->mrp_auth_uid)
1690 if (current->fsgid != mperm->mrp_auth_gid)
1693 head = &racl->ra_perm_cache[remote_acl_hashfunc(current->uid)];
1694 spin_lock(&racl->ra_lock);
1696 list_for_each_entry(lp, head, lrp_list) {
1697 if (lp->lrp_auth_uid == current->uid) {
1704 OBD_FREE(lperm, sizeof(*lperm));
1706 if (!lp->lrp_valid && !setuid && !setgid) {
1707 lp->lrp_perm = mperm->mrp_perm;
1711 /* sanity check for changes of setxid rules */
1712 if ((lp->lrp_setuid != 0) != (mperm->mrp_allow_setuid != 0)) {
1713 CWARN("setuid changes: %d => %d\n",
1714 (lp->lrp_setuid != 0),
1715 (mperm->mrp_allow_setuid != 0));
1716 lp->lrp_setuid = (mperm->mrp_allow_setuid != 0);
1719 if ((lp->lrp_setgid != 0) != (mperm->mrp_allow_setgid != 0)) {
1720 CWARN("setgid changes: %d => %d\n",
1721 (lp->lrp_setgid != 0),
1722 (mperm->mrp_allow_setgid != 0));
1723 lp->lrp_setgid = (mperm->mrp_allow_setgid != 0);
1726 if (!lp->lrp_setuid && !lp->lrp_setgid &&
1727 !list_empty(&lp->lrp_setxid_perms)) {
1728 remote_perm_flush_xperms(lp);
1731 /* initialize lperm and linked into hashtable
1733 INIT_LIST_HEAD(&lperm->lrp_setxid_perms);
1734 lperm->lrp_auth_uid = mperm->mrp_auth_uid;
1735 lperm->lrp_auth_gid = mperm->mrp_auth_gid;
1736 lperm->lrp_setuid = (mperm->mrp_allow_setuid != 0);
1737 lperm->lrp_setgid = (mperm->mrp_allow_setgid != 0);
1738 list_add(&lperm->lrp_list, head);
1740 if (!setuid && !setgid) {
1741 /* in this case, i'm the authenticated user,
1742 * and mrp_perm is for me.
1744 lperm->lrp_perm = mperm->mrp_perm;
1745 lperm->lrp_valid = 1;
1746 spin_unlock(&racl->ra_lock);
1749 OBD_FREE(xperm, sizeof(*xperm));
1757 LASSERT(lp->lrp_setuid || lp->lrp_setgid ||
1758 list_empty(&lp->lrp_setxid_perms));
1760 /* if no xperm supplied, we are all done here */
1762 spin_unlock(&racl->ra_lock);
1766 /* whether we allow setuid/setgid */
1767 if ((!lp->lrp_setuid && setuid) || (!lp->lrp_setgid && setgid)) {
1768 OBD_FREE(xperm, sizeof(*xperm));
1769 spin_unlock(&racl->ra_lock);
1773 /* traverse xperm list */
1774 list_for_each_entry(xp, &lp->lrp_setxid_perms, list) {
1775 if (xp->uid == current->fsuid &&
1776 xp->gid == current->fsgid) {
1777 if (xp->perm != mperm->mrp_perm) {
1778 /* actually this should not happen */
1779 CWARN("perm changed: %o => %o\n",
1780 xp->perm, mperm->mrp_perm);
1781 xp->perm = mperm->mrp_perm;
1783 OBD_FREE(xperm, sizeof(*xperm));
1784 spin_unlock(&racl->ra_lock);
1789 /* finally insert this xperm */
1790 xperm->uid = current->fsuid;
1791 xperm->gid = current->fsgid;
1792 xperm->perm = mperm->mrp_perm;
1793 list_add(&xperm->list, &lp->lrp_setxid_perms);
1795 spin_unlock(&racl->ra_lock);
1800 * remote_acl semaphore must be held by caller
1803 int remote_acl_update_locked(struct remote_acl *racl,
1804 struct mds_remote_perm *mperm)
1806 struct lustre_remote_perm *lperm;
1807 struct remote_perm_setxid *xperm;
1808 int setuid = 0, setgid = 0;
1812 if (current->uid != mperm->mrp_auth_uid) {
1813 CERROR("current uid %u while authenticated as %u\n",
1814 current->uid, mperm->mrp_auth_uid);
1818 if (current->fsuid != mperm->mrp_auth_uid)
1820 if (current->fsgid == mperm->mrp_auth_gid)
1823 OBD_ALLOC(lperm, sizeof(*lperm));
1827 if ((setuid || setgid) &&
1828 !(setuid && !mperm->mrp_allow_setuid) &&
1829 !(setgid && !mperm->mrp_allow_setgid)) {
1830 OBD_ALLOC(xperm, sizeof(*xperm));
1832 OBD_FREE(lperm, sizeof(*lperm));
1838 return __remote_acl_update(racl, mperm, lperm, xperm);
1842 * return -EACCES at any error cases
1844 int ll_remote_acl_permission(struct inode *inode, int mode)
1846 struct ll_sb_info *sbi = ll_i2sbi(inode);
1847 struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
1848 struct ptlrpc_request *req = NULL;
1849 struct lustre_id id;
1850 struct mds_remote_perm *mperm;
1851 int rc = -EACCES, perm;
1856 if (__remote_acl_check(racl, &perm) == 0) {
1857 return ((perm & mode) == mode ? 0 : -EACCES);
1864 down(&racl->ra_update_sem);
1866 /* we might lose the race when obtain semaphore,
1869 if (__remote_acl_check(racl, &perm) == 0) {
1870 if ((perm & mode) == mode)
1875 /* really fetch from mds
1877 ll_inode2id(&id, inode);
1878 if (md_access_check(sbi->ll_md_exp, &id, &req))
1881 /* status non-zero indicate there's more apparent error
1882 * detected by mds, e.g. didn't allow this user at all.
1883 * we simply ignore and didn't cache it.
1885 if (req->rq_repmsg->status)
1888 mperm = lustre_swab_repbuf(req, 1, sizeof(*mperm),
1889 lustre_swab_remote_perm);
1891 LASSERT_REPSWABBED(req, 1);
1893 if ((mperm->mrp_perm & mode) == mode)
1896 remote_acl_update_locked(racl, mperm);
1899 ptlrpc_req_finished(req);
1901 up(&racl->ra_update_sem);
1905 int ll_remote_acl_update(struct inode *inode, struct mds_remote_perm *perm)
1907 struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
1915 down(&racl->ra_update_sem);
1916 rc = remote_acl_update_locked(racl, perm);
1917 up(&racl->ra_update_sem);
1922 void ll_inode_invalidate_acl(struct inode *inode)
1924 struct ll_sb_info *sbi = ll_i2sbi(inode);
1925 struct ll_inode_info *lli = ll_i2info(inode);
1927 if (sbi->ll_remote) {
1928 struct remote_acl *racl = lli->lli_remote_acl;
1930 LASSERT(!lli->lli_posix_acl);
1932 down(&racl->ra_update_sem);
1933 spin_lock(&racl->ra_lock);
1934 remote_acl_flush(lli->lli_remote_acl);
1935 spin_unlock(&racl->ra_lock);
1936 up(&racl->ra_update_sem);
1939 /* we can't invalide acl here: suppose we touch a new file
1940 * under a dir, blocking ast on dir will lead to open failure
1941 * on client, although succeed on mds. it's kind of weird,
1942 * the real fix i think is improve client-vfs interaction.
1944 * currently we just do nothing here.
1948 LASSERT(!lli->lli_remote_acl);
1949 spin_lock(&lli->lli_lock);
1950 posix_acl_release(lli->lli_posix_acl);
1951 lli->lli_posix_acl = NULL;
1952 spin_unlock(&lli->lli_lock);
1956 void ll_update_inode(struct inode *inode, struct lustre_md *md)
1958 struct ll_inode_info *lli = ll_i2info(inode);
1959 struct lov_stripe_md *lsm = md->lsm;
1960 struct mds_body *body = md->body;
1961 struct mea *mea = md->mea;
1962 struct posix_acl *posix_acl = md->posix_acl;
1963 struct ll_sb_info *sbi = ll_i2sbi(inode);
1964 struct lustre_key *mkey = md->key;
1967 LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
1969 if (md->lsm && md->lsm->lsm_magic != LOV_MAGIC) {
1970 /* check for default striping info for dir. */
1971 LASSERT((mea != NULL) == ((body->valid & OBD_MD_FLDIREA) != 0));
1975 LASSERT(lsm->lsm_object_gr > 0);
1976 if (lli->lli_smd == NULL) {
1978 lli->lli_maxbytes = lsm->lsm_maxbytes;
1979 if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
1980 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
1983 if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) {
1984 CERROR("lsm mismatch for inode %ld\n",
1986 CERROR("lli_smd:\n");
1987 dump_lsm(D_ERROR, lli->lli_smd);
1989 dump_lsm(D_ERROR, lsm);
1992 /* XXX FIXME -- We should decide on a safer (atomic) and
1993 * more elegant way to update the lsm */
1994 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1995 lli->lli_smd->lsm_oinfo[i].loi_id =
1996 lsm->lsm_oinfo[i].loi_id;
1997 lli->lli_smd->lsm_oinfo[i].loi_gr =
1998 lsm->lsm_oinfo[i].loi_gr;
1999 lli->lli_smd->lsm_oinfo[i].loi_ost_idx =
2000 lsm->lsm_oinfo[i].loi_ost_idx;
2001 lli->lli_smd->lsm_oinfo[i].loi_ost_gen =
2002 lsm->lsm_oinfo[i].loi_ost_gen;
2005 /* bug 2844 - limit i_blksize for broken user-space apps */
2006 LASSERTF(lsm->lsm_xfersize != 0, "%lu\n", lsm->lsm_xfersize);
2007 inode->i_blksize = min(lsm->lsm_xfersize, LL_MAX_BLKSIZE);
2008 if (lli->lli_smd != lsm)
2009 obd_free_memmd(ll_i2dtexp(inode), &lsm);
2013 if (lli->lli_mea == NULL) {
2016 if (memcmp(lli->lli_mea, mea, body->eadatasize)) {
2017 CERROR("mea mismatch for inode %lu\n",
2022 if (lli->lli_mea != mea)
2023 obd_free_memmd(ll_i2mdexp(inode),
2024 (struct lov_stripe_md **) &mea);
2027 if (body->valid & OBD_MD_FID)
2028 id_assign_fid(&lli->lli_id, &body->id1);
2030 if (body->valid & OBD_MD_FLID)
2031 id_ino(&lli->lli_id) = id_ino(&body->id1);
2033 if (body->valid & OBD_MD_FLGENER)
2034 id_gen(&lli->lli_id) = id_gen(&body->id1);
2036 /* local/remote ACL */
2037 if (sbi->ll_remote) {
2038 LASSERT(md->posix_acl == NULL);
2039 if (md->remote_perm) {
2040 ll_remote_acl_update(inode, md->remote_perm);
2041 OBD_FREE(md->remote_perm, sizeof(*md->remote_perm));
2042 md->remote_perm = NULL;
2045 LASSERT(md->remote_perm == NULL);
2046 spin_lock(&lli->lli_lock);
2047 if (posix_acl != NULL) {
2048 if (lli->lli_posix_acl != NULL)
2049 posix_acl_release(lli->lli_posix_acl);
2050 lli->lli_posix_acl = posix_acl;
2052 spin_unlock(&lli->lli_lock);
2055 if (body->valid & OBD_MD_FLID)
2056 inode->i_ino = id_ino(&body->id1);
2057 if (body->valid & OBD_MD_FLGENER)
2058 inode->i_generation = id_gen(&body->id1);
2059 if (body->valid & OBD_MD_FLATIME)
2060 LTIME_S(inode->i_atime) = body->atime;
2061 if (body->valid & OBD_MD_FLMTIME &&
2062 body->mtime > LTIME_S(inode->i_mtime)) {
2063 CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %u\n",
2064 inode->i_ino, LTIME_S(inode->i_mtime), body->mtime);
2065 LTIME_S(inode->i_mtime) = body->mtime;
2067 if (body->valid & OBD_MD_FLCTIME &&
2068 body->ctime > LTIME_S(inode->i_ctime))
2069 LTIME_S(inode->i_ctime) = body->ctime;
2070 if (body->valid & OBD_MD_FLMODE) {
2071 inode->i_mode = (inode->i_mode & S_IFMT) |
2072 (body->mode & ~S_IFMT);
2074 if (body->valid & OBD_MD_FLTYPE) {
2075 inode->i_mode = (inode->i_mode & ~S_IFMT) |
2076 (body->mode & S_IFMT);
2078 if (body->valid & OBD_MD_FLUID)
2079 inode->i_uid = body->uid;
2080 if (body->valid & OBD_MD_FLGID)
2081 inode->i_gid = body->gid;
2082 if (body->valid & OBD_MD_FLFLAGS)
2083 inode->i_flags = body->flags;
2084 if (body->valid & OBD_MD_FLNLINK)
2085 inode->i_nlink = body->nlink;
2086 if (body->valid & OBD_MD_FLRDEV)
2087 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
2088 inode->i_rdev = body->rdev;
2090 inode->i_rdev = old_decode_dev(body->rdev);
2092 if (body->valid & OBD_MD_FLSIZE)
2093 inode->i_size = body->size;
2094 if (body->valid & OBD_MD_FLBLOCKS)
2095 inode->i_blocks = body->blocks;
2097 if (body->valid & OBD_MD_FLSIZE)
2098 set_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags);
2100 if (body->valid & OBD_MD_FLAUDIT) {
2101 struct ll_sb_info * sbi = ll_s2sbi(inode->i_sb);
2102 if (IS_AUDIT_OP(body->audit, AUDIT_FS))
2103 sbi->ll_audit_mask = body->audit;
2105 lli->lli_audit_mask = body->audit;
2109 LASSERT(body->valid & OBD_MD_FLKEY);
2110 ll_crypto_init_inode_key(inode, mkey);
2113 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
2114 inode->i_dev = (kdev_t)id_group(&lli->lli_id);
2116 LASSERT(id_fid(&lli->lli_id) != 0);
2119 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
2120 static struct backing_dev_info ll_backing_dev_info = {
2121 .ra_pages = 0, /* No readahead */
2122 .memory_backed = 0, /* Does contribute to dirty memory */
2126 void ll_read_inode2(struct inode *inode, void *opaque)
2128 struct lustre_md *md = opaque;
2129 struct ll_inode_info *lli = ll_i2info(inode);
2132 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
2133 inode->i_generation, inode);
2137 LASSERT(!lli->lli_smd);
2139 if (ll_i2sbi(inode)->ll_remote) {
2140 lli->lli_remote_acl = remote_acl_alloc();
2141 /* if failed alloc, nobody will be able to access this inode */
2144 /* Core attributes from the MDS first. This is a new inode, and
2145 * the VFS doesn't zero times in the core inode so we have to do
2146 * it ourselves. They will be overwritten by either MDS or OST
2147 * attributes - we just need to make sure they aren't newer. */
2148 LTIME_S(inode->i_mtime) = 0;
2149 LTIME_S(inode->i_atime) = 0;
2150 LTIME_S(inode->i_ctime) = 0;
2153 ll_update_inode(inode, md);
2155 /* OIDEBUG(inode); */
2157 if (S_ISREG(inode->i_mode)) {
2158 inode->i_op = &ll_file_inode_operations;
2159 inode->i_fop = &ll_file_operations;
2160 inode->i_mapping->a_ops = &ll_aops;
2162 } else if (S_ISDIR(inode->i_mode)) {
2163 inode->i_op = &ll_dir_inode_operations;
2164 inode->i_fop = &ll_dir_operations;
2165 inode->i_mapping->a_ops = &ll_dir_aops;
2167 } else if (S_ISLNK(inode->i_mode)) {
2168 inode->i_op = &ll_fast_symlink_inode_operations;
2171 inode->i_op = &ll_special_inode_operations;
2173 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
2174 init_special_inode(inode, inode->i_mode,
2175 kdev_t_to_nr(inode->i_rdev));
2177 /* initializing backing dev info. */
2178 inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
2180 init_special_inode(inode, inode->i_mode, inode->i_rdev);
2182 lli->ll_save_ifop = inode->i_fop;
2184 if (S_ISCHR(inode->i_mode))
2185 inode->i_fop = &ll_special_chr_inode_fops;
2186 else if (S_ISBLK(inode->i_mode))
2187 inode->i_fop = &ll_special_blk_inode_fops;
2188 else if (S_ISFIFO(inode->i_mode))
2189 inode->i_fop = &ll_special_fifo_inode_fops;
2190 else if (S_ISSOCK(inode->i_mode))
2191 inode->i_fop = &ll_special_sock_inode_fops;
2193 CWARN("saved %p, replaced with %p\n", lli->ll_save_ifop,
2196 if (lli->ll_save_ifop->owner) {
2197 CWARN("%p has owner %p\n", lli->ll_save_ifop,
2198 lli->ll_save_ifop->owner);
2204 void ll_delete_inode(struct inode *inode)
2206 struct ll_sb_info *sbi = ll_i2sbi(inode);
2207 struct lustre_id id;
2211 ll_inode2id(&id, inode);
2213 rc = md_delete_inode(sbi->ll_md_exp, &id);
2215 CERROR("md_delete_inode() failed, error %d\n",
2223 int ll_iocontrol(struct inode *inode, struct file *file,
2224 unsigned int cmd, unsigned long arg)
2226 struct ll_sb_info *sbi = ll_i2sbi(inode);
2227 struct ptlrpc_request *req = NULL;
2232 case EXT3_IOC_GETFLAGS: {
2233 struct lustre_id id;
2234 __u64 valid = OBD_MD_FLFLAGS;
2235 struct mds_body *body;
2237 ll_inode2id(&id, inode);
2238 rc = md_getattr(sbi->ll_md_exp, &id, valid, NULL, NULL,
2241 CERROR("failure %d inode %lu\n", rc, inode->i_ino);
2245 body = lustre_msg_buf(req->rq_repmsg, 0, sizeof(*body));
2247 if (body->flags & S_APPEND)
2248 flags |= EXT3_APPEND_FL;
2249 if (body->flags & S_IMMUTABLE)
2250 flags |= EXT3_IMMUTABLE_FL;
2251 if (body->flags & S_NOATIME)
2252 flags |= EXT3_NOATIME_FL;
2254 ptlrpc_req_finished (req);
2256 RETURN(put_user(flags, (int *)arg));
2258 case EXT3_IOC_SETFLAGS: {
2259 struct mdc_op_data *op_data;
2262 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
2264 if (get_user(flags, (int *)arg))
2271 OBD_ALLOC(op_data, sizeof(*op_data));
2272 if (op_data == NULL) {
2276 ll_inode2mdc_data(op_data, inode, (OBD_MD_FLID | OBD_MD_MEA));
2278 memset(&attr, 0x0, sizeof(attr));
2279 attr.ia_attr_flags = flags;
2280 attr.ia_valid |= ATTR_ATTR_FLAG;
2282 rc = md_setattr(sbi->ll_md_exp, op_data,
2283 &attr, NULL, 0, NULL, 0, NULL, 0, &req);
2284 OBD_FREE(op_data, sizeof(*op_data));
2286 ptlrpc_req_finished(req);
2287 if (rc != -EPERM && rc != -EACCES)
2288 CERROR("md_setattr fails: rc = %d\n", rc);
2292 ptlrpc_req_finished(req);
2294 oa->o_id = lsm->lsm_object_id;
2295 oa->o_gr = lsm->lsm_object_gr;
2296 oa->o_flags = flags;
2297 *(obdo_id(oa)) = ll_i2info(inode)->lli_id;
2298 oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP
2301 rc = obd_setattr(sbi->ll_dt_exp, oa, lsm, NULL, NULL);
2304 if (rc != -EPERM && rc != -EACCES)
2305 CERROR("md_setattr fails: rc = %d\n", rc);
2309 if (flags & EXT3_APPEND_FL)
2310 inode->i_flags |= S_APPEND;
2312 inode->i_flags &= ~S_APPEND;
2313 if (flags & EXT3_IMMUTABLE_FL)
2314 inode->i_flags |= S_IMMUTABLE;
2316 inode->i_flags &= ~S_IMMUTABLE;
2317 if (flags & EXT3_NOATIME_FL)
2318 inode->i_flags |= S_NOATIME;
2320 inode->i_flags &= ~S_NOATIME;
2331 /* this is only called in the case of forced umount. */
2332 void ll_umount_begin(struct super_block *sb)
2334 struct ll_sb_info *sbi = ll_s2sbi(sb);
2335 struct obd_ioctl_data ioc_data = { 0 };
2336 struct obd_device *obd;
2339 CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb,
2340 sb->s_count, atomic_read(&sb->s_active));
2342 obd = class_exp2obd(sbi->ll_md_exp);
2344 CERROR("Invalid MDC connection handle "LPX64"\n",
2345 sbi->ll_md_exp->exp_handle.h_cookie);
2349 obd->obd_no_recov = 1;
2350 obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_md_exp,
2351 sizeof(ioc_data), &ioc_data, NULL);
2353 obd = class_exp2obd(sbi->ll_dt_exp);
2355 CERROR("Invalid LOV connection handle "LPX64"\n",
2356 sbi->ll_dt_exp->exp_handle.h_cookie);
2361 obd->obd_no_recov = 1;
2362 obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_dt_exp,
2363 sizeof(ioc_data), &ioc_data, NULL);
2366 * really, we'd like to wait until there are no requests outstanding,
2367 * and then continue. For now, we just invalidate the requests,
2368 * schedule, and hope.
2375 int ll_prep_inode(struct obd_export *dt_exp, struct obd_export *md_exp,
2376 struct inode **inode, struct ptlrpc_request *req,
2377 int offset, struct super_block *sb)
2379 struct lustre_md md;
2382 rc = mdc_req2lustre_md(md_exp, req, offset, dt_exp, &md);
2387 ll_update_inode(*inode, &md);
2390 *inode = ll_iget(sb, id_ino(&md.body->id1), &md);
2391 if (*inode == NULL || is_bad_inode(*inode)) {
2392 /* free the lsm if we allocated one above */
2394 obd_free_memmd(dt_exp, &md.lsm);
2396 obd_free_memmd(md_exp,
2397 (struct lov_stripe_md**)&md.mea);
2399 CERROR("new_inode -fatal: rc %d\n", rc);
2406 int ll_show_options(struct seq_file *m, struct vfsmount *mnt)
2408 struct ll_sb_info *sbi = ll_s2sbi(mnt->mnt_sb);
2409 struct lustre_mount_data *lmd = sbi->ll_lmd;
2412 seq_printf(m, ",mds_sec=%s,oss_sec=%s",
2413 lmd->lmd_mds_security, lmd->lmd_oss_security);
2415 seq_printf(m, ",%s", sbi->ll_remote ? "remote" : "local");
2416 if (sbi->ll_remote && lmd)
2417 seq_printf(m, ",nllu=%u:%u", lmd->lmd_nllu, lmd->lmd_nllg);
2419 if (lmd && lmd->lmd_pag)
2420 seq_printf(m, ",pag");
2425 int ll_get_fid(struct obd_export *exp, struct lustre_id *idp,
2426 char *filename, struct lustre_id *ret)
2428 struct ptlrpc_request *request = NULL;
2429 struct mds_body *body;
2432 rc = md_getattr_lock(exp, idp, filename, strlen(filename) + 1,
2433 OBD_MD_FID, 0, &request);
2435 CDEBUG(D_INFO, "md_getattr_lock failed on %s: rc %d\n",
2440 body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
2441 LASSERT(body != NULL);
2442 LASSERT_REPSWABBED(request, 0);
2445 ptlrpc_req_finished(request);
2449 int ll_flush_cred(struct inode *inode)
2451 struct ll_sb_info *sbi = ll_i2sbi(inode);
2454 /* XXX to avoid adding api, we simply use set_info() interface
2455 * to notify underlying obds. set_info() is more like a ioctl() now...
2457 if (sbi->ll_md_exp) {
2458 rc = obd_set_info(sbi->ll_md_exp,
2459 strlen("flush_cred"), "flush_cred",
2465 if (sbi->ll_dt_exp) {
2466 rc = obd_set_info(sbi->ll_dt_exp,
2467 strlen("flush_cred"), "flush_cred",