1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/llite/llite_lib.c
38 * Lustre Light Super operations
41 #define DEBUG_SUBSYSTEM S_LLITE
43 #include <linux/module.h>
44 #include <linux/types.h>
45 #include <linux/random.h>
46 #include <linux/version.h>
49 #include <lustre_lite.h>
50 #include <lustre_ha.h>
51 #include <lustre_dlm.h>
52 #include <lprocfs_status.h>
53 #include <lustre_disk.h>
54 #include <lustre_param.h>
55 #include <lustre_log.h>
56 #include <cl_object.h>
57 #include <obd_cksum.h>
58 #include "llite_internal.h"
60 cfs_mem_cache_t *ll_file_data_slab;
62 LIST_HEAD(ll_super_blocks);
63 spinlock_t ll_sb_lock = SPIN_LOCK_UNLOCKED;
65 extern struct address_space_operations ll_aops;
66 extern struct address_space_operations ll_dir_aops;
69 #define log2(n) ffz(~(n))
72 static struct ll_sb_info *ll_init_sbi(void)
74 struct ll_sb_info *sbi = NULL;
81 OBD_ALLOC(sbi, sizeof(*sbi));
85 spin_lock_init(&sbi->ll_lock);
86 spin_lock_init(&sbi->ll_lco.lco_lock);
87 spin_lock_init(&sbi->ll_pp_extent_lock);
88 spin_lock_init(&sbi->ll_process_lock);
89 sbi->ll_rw_stats_on = 0;
92 pages = si.totalram - si.totalhigh;
93 if (pages >> (20 - CFS_PAGE_SHIFT) < 512) {
94 #ifdef HAVE_BGL_SUPPORT
95 sbi->ll_async_page_max = pages / 4;
97 sbi->ll_async_page_max = pages / 2;
100 sbi->ll_async_page_max = (pages / 4) * 3;
103 sbi->ll_ra_info.ra_max_pages = min(pages / 32,
104 SBI_DEFAULT_READAHEAD_MAX);
105 sbi->ll_ra_info.ra_max_read_ahead_whole_pages =
106 SBI_DEFAULT_READAHEAD_WHOLE_MAX;
107 INIT_LIST_HEAD(&sbi->ll_conn_chain);
108 INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
110 ll_generate_random_uuid(uuid);
111 class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
112 CDEBUG(D_CONFIG, "generated uuid: %s\n", sbi->ll_sb_uuid.uuid);
114 spin_lock(&ll_sb_lock);
115 list_add_tail(&sbi->ll_list, &ll_super_blocks);
116 spin_unlock(&ll_sb_lock);
118 #ifdef ENABLE_LLITE_CHECKSUM
119 sbi->ll_flags |= LL_SBI_CHECKSUM;
122 #ifdef HAVE_LRU_RESIZE_SUPPORT
123 sbi->ll_flags |= LL_SBI_LRU_RESIZE;
126 #ifdef HAVE_EXPORT___IGET
127 INIT_LIST_HEAD(&sbi->ll_deathrow);
128 spin_lock_init(&sbi->ll_deathrow_lock);
130 for (i = 0; i <= LL_PROCESS_HIST_MAX; i++) {
131 spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i].pp_r_hist.oh_lock);
132 spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i].pp_w_hist.oh_lock);
135 /* metadata statahead is enabled by default */
136 sbi->ll_sa_max = LL_SA_RPC_DEF;
141 void ll_free_sbi(struct super_block *sb)
143 struct ll_sb_info *sbi = ll_s2sbi(sb);
147 spin_lock(&ll_sb_lock);
148 list_del(&sbi->ll_list);
149 spin_unlock(&ll_sb_lock);
150 OBD_FREE(sbi, sizeof(*sbi));
155 static struct dentry_operations ll_d_root_ops = {
156 #ifdef DCACHE_LUSTRE_INVALID
157 .d_compare = ll_dcompare,
161 static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
163 struct inode *root = 0;
164 struct ll_sb_info *sbi = ll_s2sbi(sb);
165 struct obd_device *obd;
166 struct obd_capa *oc = NULL;
167 struct obd_statfs osfs;
168 struct ptlrpc_request *request = NULL;
169 struct obd_connect_data *data = NULL;
170 struct obd_uuid *uuid;
171 struct lustre_md lmd;
173 int size, err, checksum;
176 obd = class_name2obd(md);
178 CERROR("MD %s: not setup or attached\n", md);
186 if (proc_lustre_fs_root) {
187 err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
190 CERROR("could not register mount in /proc/fs/lustre\n");
193 /* indicate the features supported by this client */
194 data->ocd_connect_flags = OBD_CONNECT_IBITS | OBD_CONNECT_NODEVOH |
195 OBD_CONNECT_JOIN | OBD_CONNECT_ATTRFID |
196 OBD_CONNECT_VERSION | OBD_CONNECT_MDS_CAPA |
197 OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET|
198 OBD_CONNECT_FID | OBD_CONNECT_AT |
199 OBD_CONNECT_LOV_V3 | OBD_CONNECT_RMT_CLIENT;
201 #ifdef HAVE_LRU_RESIZE_SUPPORT
202 if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
203 data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
205 #ifdef CONFIG_FS_POSIX_ACL
206 data->ocd_connect_flags |= OBD_CONNECT_ACL;
208 data->ocd_ibits_known = MDS_INODELOCK_FULL;
209 data->ocd_version = LUSTRE_VERSION_CODE;
211 if (sb->s_flags & MS_RDONLY)
212 data->ocd_connect_flags |= OBD_CONNECT_RDONLY;
213 if (sbi->ll_flags & LL_SBI_USER_XATTR)
214 data->ocd_connect_flags |= OBD_CONNECT_XATTR;
216 #ifdef HAVE_MS_FLOCK_LOCK
217 /* force vfs to use lustre handler for flock() calls - bug 10743 */
218 sb->s_flags |= MS_FLOCK_LOCK;
221 if (sbi->ll_flags & LL_SBI_FLOCK)
222 sbi->ll_fop = &ll_file_operations_flock;
223 else if (sbi->ll_flags & LL_SBI_LOCALFLOCK)
224 sbi->ll_fop = &ll_file_operations;
226 sbi->ll_fop = &ll_file_operations_noflock;
229 data->ocd_connect_flags |= OBD_CONNECT_REAL;
230 if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
231 data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE;
233 err = obd_connect(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, data, NULL);
235 LCONSOLE_ERROR_MSG(0x14f, "An MDT (md %s) is performing "
236 "recovery, of which this client is not a "
237 "part. Please wait for recovery to complete,"
238 " abort, or time out.\n", md);
241 CERROR("cannot connect to %s: rc = %d\n", md, err);
245 err = obd_fid_init(sbi->ll_md_exp);
247 CERROR("Can't init metadata layer FID infrastructure, "
252 err = obd_statfs(obd, &osfs, cfs_time_current_64() - HZ, 0);
254 GOTO(out_md_fid, err);
256 size = sizeof(*data);
257 err = obd_get_info(sbi->ll_md_exp, sizeof(KEY_CONN_DATA),
258 KEY_CONN_DATA, &size, data, NULL);
260 CERROR("Get connect data failed: %d \n", err);
264 LASSERT(osfs.os_bsize);
265 sb->s_blocksize = osfs.os_bsize;
266 sb->s_blocksize_bits = log2(osfs.os_bsize);
267 sb->s_magic = LL_SUPER_MAGIC;
269 /* for bug 11559. in $LINUX/fs/read_write.c, function do_sendfile():
270 * retval = in_file->f_op->sendfile(...);
272 * retval = -EOVERFLOW;
274 * it will check if *ppos is greater than max. However, max equals to
275 * s_maxbytes, which is a negative integer in a x86_64 box since loff_t
276 * has been defined as a signed long long ineger in linux kernel. */
277 #if BITS_PER_LONG == 64
278 sb->s_maxbytes = PAGE_CACHE_MAXBYTES >> 1;
280 sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
282 sbi->ll_namelen = osfs.os_namelen;
283 sbi->ll_max_rw_chunk = LL_DEFAULT_MAX_RW_CHUNK;
285 if ((sbi->ll_flags & LL_SBI_USER_XATTR) &&
286 !(data->ocd_connect_flags & OBD_CONNECT_XATTR)) {
287 LCONSOLE_INFO("Disabling user_xattr feature because "
288 "it is not supported on the server\n");
289 sbi->ll_flags &= ~LL_SBI_USER_XATTR;
292 if (data->ocd_connect_flags & OBD_CONNECT_ACL) {
294 sb->s_flags |= MS_POSIXACL;
296 sbi->ll_flags |= LL_SBI_ACL;
298 LCONSOLE_INFO("client wants to enable acl, but mdt not!\n");
300 sb->s_flags &= ~MS_POSIXACL;
302 sbi->ll_flags &= ~LL_SBI_ACL;
305 if (data->ocd_connect_flags & OBD_CONNECT_JOIN)
306 sbi->ll_flags |= LL_SBI_JOIN;
308 if (data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT) {
309 if (!(sbi->ll_flags & LL_SBI_RMT_CLIENT)) {
310 sbi->ll_flags |= LL_SBI_RMT_CLIENT;
311 LCONSOLE_INFO("client is set as remote by default.\n");
314 if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
315 sbi->ll_flags &= ~LL_SBI_RMT_CLIENT;
316 LCONSOLE_INFO("client claims to be remote, but server "
317 "rejected, forced to be local.\n");
321 if (data->ocd_connect_flags & OBD_CONNECT_MDS_CAPA) {
322 LCONSOLE_INFO("client enabled MDS capability!\n");
323 sbi->ll_flags |= LL_SBI_MDS_CAPA;
326 if (data->ocd_connect_flags & OBD_CONNECT_OSS_CAPA) {
327 LCONSOLE_INFO("client enabled OSS capability!\n");
328 sbi->ll_flags |= LL_SBI_OSS_CAPA;
331 obd = class_name2obd(dt);
333 CERROR("DT %s: not setup or attached\n", dt);
334 GOTO(out_md_fid, err = -ENODEV);
337 data->ocd_connect_flags = OBD_CONNECT_GRANT | OBD_CONNECT_VERSION |
338 OBD_CONNECT_REQPORTAL | OBD_CONNECT_BRW_SIZE |
339 OBD_CONNECT_CANCELSET | OBD_CONNECT_FID |
340 OBD_CONNECT_SRVLOCK | OBD_CONNECT_TRUNCLOCK|
341 OBD_CONNECT_AT | OBD_CONNECT_RMT_CLIENT |
342 OBD_CONNECT_OSS_CAPA;
344 if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_CKSUM)) {
345 /* OBD_CONNECT_CKSUM should always be set, even if checksums are
346 * disabled by default, because it can still be enabled on the
347 * fly via /proc. As a consequence, we still need to come to an
348 * agreement on the supported algorithms at connect time */
349 data->ocd_connect_flags |= OBD_CONNECT_CKSUM;
351 if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CKSUM_ADLER_ONLY))
352 data->ocd_cksum_types = OBD_CKSUM_ADLER;
354 /* send the list of supported checksum types */
355 data->ocd_cksum_types = OBD_CKSUM_ALL;
358 #ifdef HAVE_LRU_RESIZE_SUPPORT
359 data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
361 if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
362 data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE;
364 CDEBUG(D_RPCTRACE, "ocd_connect_flags: "LPX64" ocd_version: %d "
365 "ocd_grant: %d\n", data->ocd_connect_flags,
366 data->ocd_version, data->ocd_grant);
368 obd->obd_upcall.onu_owner = &sbi->ll_lco;
369 obd->obd_upcall.onu_upcall = cl_ocd_update;
370 data->ocd_brw_size = PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT;
372 err = obd_connect(NULL, &sbi->ll_dt_exp, obd, &sbi->ll_sb_uuid, data, NULL);
374 LCONSOLE_ERROR_MSG(0x150, "An OST (dt %s) is performing "
375 "recovery, of which this client is not a "
376 "part. Please wait for recovery to "
377 "complete, abort, or time out.\n", dt);
378 GOTO(out_md_fid, err);
380 CERROR("Cannot connect to %s: rc = %d\n", dt, err);
381 GOTO(out_md_fid, err);
384 err = obd_fid_init(sbi->ll_dt_exp);
386 CERROR("Can't init data layer FID infrastructure, "
391 spin_lock(&sbi->ll_lco.lco_lock);
392 sbi->ll_lco.lco_flags = data->ocd_connect_flags;
393 sbi->ll_lco.lco_md_exp = sbi->ll_md_exp;
394 sbi->ll_lco.lco_dt_exp = sbi->ll_dt_exp;
395 spin_unlock(&sbi->ll_lco.lco_lock);
397 fid_zero(&sbi->ll_root_fid);
398 err = md_getstatus(sbi->ll_md_exp, &sbi->ll_root_fid, &oc);
400 CERROR("cannot mds_connect: rc = %d\n", err);
401 GOTO(out_lock_cn_cb, err);
403 if (!fid_is_sane(&sbi->ll_root_fid)) {
404 CERROR("Invalid root fid during mount\n");
405 GOTO(out_lock_cn_cb, err = -EINVAL);
407 CDEBUG(D_SUPER, "rootfid "DFID"\n", PFID(&sbi->ll_root_fid));
409 sb->s_op = &lustre_super_operations;
410 sb->s_export_op = &lustre_export_operations;
413 * XXX: move this to after cbd setup? */
414 valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMDSCAPA;
415 if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
416 valid |= OBD_MD_FLRMTPERM;
417 else if (sbi->ll_flags & LL_SBI_ACL)
418 valid |= OBD_MD_FLACL;
420 err = md_getattr(sbi->ll_md_exp, &sbi->ll_root_fid, oc, valid, 0,
425 CERROR("md_getattr failed for root: rc = %d\n", err);
426 GOTO(out_lock_cn_cb, err);
428 memset(&lmd, 0, sizeof(lmd));
429 err = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp,
430 sbi->ll_md_exp, &lmd);
432 CERROR("failed to understand root inode md: rc = %d\n", err);
433 ptlrpc_req_finished (request);
434 GOTO(out_lock_cn_cb, err);
437 LASSERT(fid_is_sane(&sbi->ll_root_fid));
438 root = ll_iget(sb, ll_fid_build_ino(sbi, &sbi->ll_root_fid), &lmd);
439 md_free_lustre_md(sbi->ll_md_exp, &lmd);
440 ptlrpc_req_finished(request);
442 if (root == NULL || IS_ERR(root)) {
444 obd_free_memmd(sbi->ll_dt_exp, &lmd.lsm);
445 #ifdef CONFIG_FS_POSIX_ACL
447 posix_acl_release(lmd.posix_acl);
448 lmd.posix_acl = NULL;
451 err = IS_ERR(root) ? PTR_ERR(root) : -EBADF;
453 CERROR("lustre_lite: bad iget4 for root\n");
457 err = ll_close_thread_start(&sbi->ll_lcq);
459 CERROR("cannot start close thread: rc %d\n", err);
463 #ifdef CONFIG_FS_POSIX_ACL
464 if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
465 rct_init(&sbi->ll_rct);
466 et_init(&sbi->ll_et);
470 checksum = sbi->ll_flags & LL_SBI_CHECKSUM;
471 err = obd_set_info_async(sbi->ll_dt_exp, sizeof(KEY_CHECKSUM),
472 KEY_CHECKSUM, sizeof(checksum), &checksum,
476 sb->s_root = d_alloc_root(root);
478 OBD_FREE(data, sizeof(*data));
480 sb->s_root->d_op = &ll_d_root_ops;
482 sbi->ll_sdev_orig = sb->s_dev;
484 /* We set sb->s_dev equal on all lustre clients in order to support
485 * NFS export clustering. NFSD requires that the FSID be the same
487 /* s_dev is also used in lt_compare() to compare two fs, but that is
488 * only a node-local comparison. */
489 uuid = obd_get_uuid(sbi->ll_md_exp);
491 sb->s_dev = get_uuid2int(uuid->uuid, strlen(uuid->uuid));
498 obd_fid_fini(sbi->ll_dt_exp);
500 obd_disconnect(sbi->ll_dt_exp);
501 sbi->ll_dt_exp = NULL;
503 obd_fid_fini(sbi->ll_md_exp);
505 obd_disconnect(sbi->ll_md_exp);
506 sbi->ll_md_exp = NULL;
510 lprocfs_unregister_mountpoint(sbi);
514 int ll_get_max_mdsize(struct ll_sb_info *sbi, int *lmmsize)
518 *lmmsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
520 rc = obd_get_info(sbi->ll_md_exp, sizeof(KEY_MAX_EASIZE),
521 KEY_MAX_EASIZE, &size, lmmsize, NULL);
523 CERROR("Get max mdsize error rc %d \n", rc);
528 void ll_dump_inode(struct inode *inode)
530 struct list_head *tmp;
531 int dentry_count = 0;
533 LASSERT(inode != NULL);
535 list_for_each(tmp, &inode->i_dentry)
538 CERROR("inode %p dump: dev=%s ino=%lu mode=%o count=%u, %d dentries\n",
539 inode, ll_i2mdexp(inode)->exp_obd->obd_name, inode->i_ino,
540 inode->i_mode, atomic_read(&inode->i_count), dentry_count);
543 void lustre_dump_dentry(struct dentry *dentry, int recur)
545 struct list_head *tmp;
548 LASSERT(dentry != NULL);
550 list_for_each(tmp, &dentry->d_subdirs)
553 CERROR("dentry %p dump: name=%.*s parent=%.*s (%p), inode=%p, count=%u,"
554 " flags=0x%x, fsdata=%p, %d subdirs\n", dentry,
555 dentry->d_name.len, dentry->d_name.name,
556 dentry->d_parent->d_name.len, dentry->d_parent->d_name.name,
557 dentry->d_parent, dentry->d_inode, atomic_read(&dentry->d_count),
558 dentry->d_flags, dentry->d_fsdata, subdirs);
559 if (dentry->d_inode != NULL)
560 ll_dump_inode(dentry->d_inode);
565 list_for_each(tmp, &dentry->d_subdirs) {
566 struct dentry *d = list_entry(tmp, struct dentry, d_child);
567 lustre_dump_dentry(d, recur - 1);
571 #ifdef HAVE_EXPORT___IGET
572 static void prune_dir_dentries(struct inode *inode)
574 struct dentry *dentry, *prev = NULL;
576 /* due to lustre specific logic, a directory
577 * can have few dentries - a bug from VFS POV */
579 spin_lock(&dcache_lock);
580 if (!list_empty(&inode->i_dentry)) {
581 dentry = list_entry(inode->i_dentry.prev,
582 struct dentry, d_alias);
583 /* in order to prevent infinite loops we
584 * break if previous dentry is busy */
585 if (dentry != prev) {
588 spin_unlock(&dcache_lock);
590 /* try to kill all child dentries */
592 shrink_dcache_parent(dentry);
593 unlock_dentry(dentry);
596 /* now try to get rid of current dentry */
597 d_prune_aliases(inode);
601 spin_unlock(&dcache_lock);
604 static void prune_deathrow_one(struct ll_inode_info *lli)
606 struct inode *inode = ll_info2i(lli);
608 /* first, try to drop any dentries - they hold a ref on the inode */
609 if (S_ISDIR(inode->i_mode))
610 prune_dir_dentries(inode);
612 d_prune_aliases(inode);
615 /* if somebody still uses it, leave it */
616 LASSERT(atomic_read(&inode->i_count) > 0);
617 if (atomic_read(&inode->i_count) > 1)
620 CDEBUG(D_INODE, "inode %lu/%u(%d) looks a good candidate for prune\n",
621 inode->i_ino,inode->i_generation, atomic_read(&inode->i_count));
623 /* seems nobody uses it anymore */
631 static void prune_deathrow(struct ll_sb_info *sbi, int try)
633 struct ll_inode_info *lli;
637 if (need_resched() && try)
641 if (!spin_trylock(&sbi->ll_deathrow_lock))
644 spin_lock(&sbi->ll_deathrow_lock);
649 if (!list_empty(&sbi->ll_deathrow)) {
650 lli = list_entry(sbi->ll_deathrow.next,
651 struct ll_inode_info,
653 list_del_init(&lli->lli_dead_list);
654 if (!list_empty(&sbi->ll_deathrow))
657 spin_unlock(&sbi->ll_deathrow_lock);
660 prune_deathrow_one(lli);
662 } while (empty == 0);
664 #else /* !HAVE_EXPORT___IGET */
665 #define prune_deathrow(sbi, try) do {} while (0)
666 #endif /* HAVE_EXPORT___IGET */
668 void client_common_put_super(struct super_block *sb)
670 struct ll_sb_info *sbi = ll_s2sbi(sb);
673 #ifdef CONFIG_FS_POSIX_ACL
674 if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
675 et_fini(&sbi->ll_et);
676 rct_fini(&sbi->ll_rct);
680 obd_cancel_unused(sbi->ll_dt_exp, NULL, 0, NULL);
682 ll_close_thread_shutdown(sbi->ll_lcq);
684 /* destroy inodes in deathrow */
685 prune_deathrow(sbi, 0);
687 list_del(&sbi->ll_conn_chain);
689 obd_fid_fini(sbi->ll_dt_exp);
690 obd_disconnect(sbi->ll_dt_exp);
691 sbi->ll_dt_exp = NULL;
693 lprocfs_unregister_mountpoint(sbi);
695 obd_fid_fini(sbi->ll_md_exp);
696 obd_disconnect(sbi->ll_md_exp);
697 sbi->ll_md_exp = NULL;
702 void ll_kill_super(struct super_block *sb)
704 struct ll_sb_info *sbi;
709 if (!(sb->s_flags & MS_ACTIVE))
713 /* we need restore s_dev from changed for clustred NFS before put_super
714 * because new kernels have cached s_dev and change sb->s_dev in
715 * put_super not affected real removing devices */
717 sb->s_dev = sbi->ll_sdev_orig;
721 char *ll_read_opt(const char *opt, char *data)
727 CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
728 if (strncmp(opt, data, strlen(opt)))
730 if ((value = strchr(data, '=')) == NULL)
734 OBD_ALLOC(retval, strlen(value) + 1);
736 CERROR("out of memory!\n");
740 memcpy(retval, value, strlen(value)+1);
741 CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
745 static inline int ll_set_opt(const char *opt, char *data, int fl)
747 if (strncmp(opt, data, strlen(opt)) != 0)
753 /* non-client-specific mount options are parsed in lmd_parse */
754 static int ll_options(char *options, int *flags)
757 char *s1 = options, *s2;
763 CDEBUG(D_CONFIG, "Parsing opts %s\n", options);
766 CDEBUG(D_SUPER, "next opt=%s\n", s1);
767 tmp = ll_set_opt("nolock", s1, LL_SBI_NOLCK);
772 tmp = ll_set_opt("flock", s1, LL_SBI_FLOCK);
777 tmp = ll_set_opt("localflock", s1, LL_SBI_LOCALFLOCK);
782 tmp = ll_set_opt("noflock", s1, LL_SBI_FLOCK|LL_SBI_LOCALFLOCK);
787 tmp = ll_set_opt("user_xattr", s1, LL_SBI_USER_XATTR);
792 tmp = ll_set_opt("nouser_xattr", s1, LL_SBI_USER_XATTR);
797 tmp = ll_set_opt("acl", s1, LL_SBI_ACL);
799 /* Ignore deprecated mount option. The client will
800 * always try to mount with ACL support, whether this
801 * is used depends on whether server supports it. */
804 tmp = ll_set_opt("noacl", s1, LL_SBI_ACL);
808 tmp = ll_set_opt("remote_client", s1, LL_SBI_RMT_CLIENT);
814 tmp = ll_set_opt("checksum", s1, LL_SBI_CHECKSUM);
819 tmp = ll_set_opt("nochecksum", s1, LL_SBI_CHECKSUM);
824 tmp = ll_set_opt("lruresize", s1, LL_SBI_LRU_RESIZE);
829 tmp = ll_set_opt("nolruresize", s1, LL_SBI_LRU_RESIZE);
835 LCONSOLE_ERROR_MSG(0x152, "Unknown option '%s', won't mount.\n",
841 s2 = strchr(s1, ',');
849 void ll_lli_init(struct ll_inode_info *lli)
851 lli->lli_inode_magic = LLI_INODE_MAGIC;
852 sema_init(&lli->lli_size_sem, 1);
853 sema_init(&lli->lli_write_sem, 1);
855 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
856 spin_lock_init(&lli->lli_lock);
857 INIT_LIST_HEAD(&lli->lli_pending_write_llaps);
858 INIT_LIST_HEAD(&lli->lli_close_list);
859 lli->lli_inode_magic = LLI_INODE_MAGIC;
860 sema_init(&lli->lli_och_sem, 1);
861 lli->lli_mds_read_och = lli->lli_mds_write_och = NULL;
862 lli->lli_mds_exec_och = NULL;
863 lli->lli_open_fd_read_count = lli->lli_open_fd_write_count = 0;
864 lli->lli_open_fd_exec_count = 0;
865 INIT_LIST_HEAD(&lli->lli_dead_list);
866 lli->lli_remote_perms = NULL;
867 lli->lli_rmtperm_utime = 0;
868 sema_init(&lli->lli_rmtperm_sem, 1);
869 INIT_LIST_HEAD(&lli->lli_oss_capas);
872 int ll_fill_super(struct super_block *sb)
874 struct lustre_profile *lprof;
875 struct lustre_sb_info *lsi = s2lsi(sb);
876 struct ll_sb_info *sbi;
877 char *dt = NULL, *md = NULL;
878 char *profilenm = get_profile_name(sb);
879 struct config_llog_instance cfg = {0, };
880 char ll_instance[sizeof(sb) * 2 + 1];
884 CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
888 /* client additional sb info */
889 lsi->lsi_llsbi = sbi = ll_init_sbi();
895 err = ll_options(lsi->lsi_lmd->lmd_opts, &sbi->ll_flags);
899 /* Generate a string unique to this super, in case some joker tries
900 to mount the same fs at two mount points.
901 Use the address of the super itself.*/
902 sprintf(ll_instance, "%p", sb);
903 cfg.cfg_instance = ll_instance;
904 cfg.cfg_uuid = lsi->lsi_llsbi->ll_sb_uuid;
906 /* set up client obds */
907 err = lustre_process_log(sb, profilenm, &cfg);
909 CERROR("Unable to process log: %d\n", err);
913 lprof = class_get_profile(profilenm);
915 LCONSOLE_ERROR_MSG(0x156, "The client profile '%s' could not be"
916 " read from the MGS. Does that filesystem "
917 "exist?\n", profilenm);
918 GOTO(out_free, err = -EINVAL);
920 CDEBUG(D_CONFIG, "Found profile %s: mdc=%s osc=%s\n", profilenm,
921 lprof->lp_md, lprof->lp_dt);
923 OBD_ALLOC(dt, strlen(lprof->lp_dt) +
924 strlen(ll_instance) + 2);
926 GOTO(out_free, err = -ENOMEM);
927 sprintf(dt, "%s-%s", lprof->lp_dt, ll_instance);
929 OBD_ALLOC(md, strlen(lprof->lp_md) +
930 strlen(ll_instance) + 2);
932 GOTO(out_free, err = -ENOMEM);
933 sprintf(md, "%s-%s", lprof->lp_md, ll_instance);
935 /* connections, registrations, sb setup */
936 err = client_common_fill_super(sb, md, dt);
940 OBD_FREE(md, strlen(md) + 1);
942 OBD_FREE(dt, strlen(dt) + 1);
946 LCONSOLE_WARN("Client %s has started\n", profilenm);
949 } /* ll_fill_super */
952 void lu_context_keys_dump(void);
954 void ll_put_super(struct super_block *sb)
956 struct config_llog_instance cfg;
957 char ll_instance[sizeof(sb) * 2 + 1];
958 struct obd_device *obd;
959 struct lustre_sb_info *lsi = s2lsi(sb);
960 struct ll_sb_info *sbi = ll_s2sbi(sb);
961 char *profilenm = get_profile_name(sb);
965 CDEBUG(D_VFSTRACE, "VFS Op: sb %p - %s\n", sb, profilenm);
967 ll_print_capa_stat(sbi);
969 sprintf(ll_instance, "%p", sb);
970 cfg.cfg_instance = ll_instance;
971 lustre_end_log(sb, NULL, &cfg);
973 if (sbi->ll_md_exp) {
974 obd = class_exp2obd(sbi->ll_md_exp);
976 force = obd->obd_force;
979 /* We need to set force before the lov_disconnect in
980 lustre_common_put_super, since l_d cleans up osc's as well. */
983 while ((obd = class_devices_in_group(&sbi->ll_sb_uuid,
985 obd->obd_force = force;
992 /* Only if client_common_fill_super succeeded */
993 client_common_put_super(sb);
996 while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) !=NULL) {
997 class_manual_cleanup(obd);
1001 class_del_profile(profilenm);
1004 lsi->lsi_llsbi = NULL;
1006 lustre_common_put_super(sb);
1008 cl_env_cache_purge(~0);
1009 lu_context_keys_dump();
1011 LCONSOLE_WARN("client %s umount complete\n", ll_instance);
1016 } /* client_put_super */
1018 struct inode *ll_inode_from_lock(struct ldlm_lock *lock)
1020 struct inode *inode = NULL;
1021 /* NOTE: we depend on atomic igrab() -bzzz */
1022 lock_res_and_lock(lock);
1023 if (lock->l_ast_data) {
1024 struct ll_inode_info *lli = ll_i2info(lock->l_ast_data);
1025 if (lli->lli_inode_magic == LLI_INODE_MAGIC) {
1026 inode = igrab(lock->l_ast_data);
1028 inode = lock->l_ast_data;
1029 ldlm_lock_debug(NULL, inode->i_state & I_FREEING ?
1031 lock, __FILE__, __func__, __LINE__,
1032 "l_ast_data %p is bogus: magic %08x",
1033 lock->l_ast_data, lli->lli_inode_magic);
1037 unlock_res_and_lock(lock);
1041 static int null_if_equal(struct ldlm_lock *lock, void *data)
1043 if (data == lock->l_ast_data) {
1044 lock->l_ast_data = NULL;
1046 if (lock->l_req_mode != lock->l_granted_mode)
1047 LDLM_ERROR(lock,"clearing inode with ungranted lock");
1050 return LDLM_ITER_CONTINUE;
1053 void ll_clear_inode(struct inode *inode)
1055 struct ll_inode_info *lli = ll_i2info(inode);
1056 struct ll_sb_info *sbi = ll_i2sbi(inode);
1059 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
1060 inode->i_generation, inode);
1062 if (S_ISDIR(inode->i_mode)) {
1063 /* these should have been cleared in ll_file_release */
1064 LASSERT(lli->lli_sai == NULL);
1065 LASSERT(lli->lli_opendir_key == NULL);
1066 LASSERT(lli->lli_opendir_pid == 0);
1069 ll_i2info(inode)->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
1070 md_change_cbdata(sbi->ll_md_exp, ll_inode2fid(inode),
1071 null_if_equal, inode);
1073 LASSERT(!lli->lli_open_fd_write_count);
1074 LASSERT(!lli->lli_open_fd_read_count);
1075 LASSERT(!lli->lli_open_fd_exec_count);
1077 if (lli->lli_mds_write_och)
1078 ll_md_real_close(inode, FMODE_WRITE);
1079 if (lli->lli_mds_exec_och)
1080 ll_md_real_close(inode, FMODE_EXEC);
1081 if (lli->lli_mds_read_och)
1082 ll_md_real_close(inode, FMODE_READ);
1084 if (lli->lli_symlink_name) {
1085 OBD_FREE(lli->lli_symlink_name,
1086 strlen(lli->lli_symlink_name) + 1);
1087 lli->lli_symlink_name = NULL;
1090 if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
1091 LASSERT(lli->lli_posix_acl == NULL);
1092 if (lli->lli_remote_perms) {
1093 free_rmtperm_hash(lli->lli_remote_perms);
1094 lli->lli_remote_perms = NULL;
1097 #ifdef CONFIG_FS_POSIX_ACL
1098 else if (lli->lli_posix_acl) {
1099 LASSERT(atomic_read(&lli->lli_posix_acl->a_refcount) == 1);
1100 LASSERT(lli->lli_remote_perms == NULL);
1101 posix_acl_release(lli->lli_posix_acl);
1102 lli->lli_posix_acl = NULL;
1105 lli->lli_inode_magic = LLI_INODE_DEAD;
1107 #ifdef HAVE_EXPORT___IGET
1108 spin_lock(&sbi->ll_deathrow_lock);
1109 list_del_init(&lli->lli_dead_list);
1110 spin_unlock(&sbi->ll_deathrow_lock);
1112 ll_clear_inode_capas(inode);
1114 * XXX This has to be done before lsm is freed below, because
1115 * cl_object still uses inode lsm.
1117 cl_inode_fini(inode);
1120 obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
1121 lli->lli_smd = NULL;
1128 int ll_md_setattr(struct inode *inode, struct md_op_data *op_data,
1129 struct md_open_data **mod)
1131 struct lustre_md md;
1132 struct ll_sb_info *sbi = ll_i2sbi(inode);
1133 struct ptlrpc_request *request = NULL;
1137 op_data = ll_prep_md_op_data(op_data, inode, NULL, NULL, 0, 0,
1138 LUSTRE_OPC_ANY, NULL);
1139 if (IS_ERR(op_data))
1140 RETURN(PTR_ERR(op_data));
1142 rc = md_setattr(sbi->ll_md_exp, op_data, NULL, 0, NULL, 0,
1145 ptlrpc_req_finished(request);
1146 if (rc == -ENOENT) {
1148 /* Unlinked special device node? Or just a race?
1149 * Pretend we done everything. */
1150 if (!S_ISREG(inode->i_mode) &&
1151 !S_ISDIR(inode->i_mode))
1152 rc = inode_setattr(inode, &op_data->op_attr);
1153 } else if (rc != -EPERM && rc != -EACCES && rc != -ETXTBSY) {
1154 CERROR("md_setattr fails: rc = %d\n", rc);
1159 rc = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp,
1160 sbi->ll_md_exp, &md);
1162 ptlrpc_req_finished(request);
1166 /* We call inode_setattr to adjust timestamps.
1167 * If there is at least some data in file, we cleared ATTR_SIZE
1168 * above to avoid invoking vmtruncate, otherwise it is important
1169 * to call vmtruncate in inode_setattr to update inode->i_size
1171 rc = inode_setattr(inode, &op_data->op_attr);
1173 /* Extract epoch data if obtained. */
1174 op_data->op_handle = md.body->handle;
1175 op_data->op_ioepoch = md.body->ioepoch;
1177 ll_update_inode(inode, &md);
1178 ptlrpc_req_finished(request);
1183 /* Close IO epoch and send Size-on-MDS attribute update. */
1184 static int ll_setattr_done_writing(struct inode *inode,
1185 struct md_op_data *op_data,
1186 struct md_open_data *mod)
1188 struct ll_inode_info *lli = ll_i2info(inode);
1192 LASSERT(op_data != NULL);
1193 if (!S_ISREG(inode->i_mode))
1196 CDEBUG(D_INODE, "Epoch "LPU64" closed on "DFID" for truncate\n",
1197 op_data->op_ioepoch, PFID(&lli->lli_fid));
1199 op_data->op_flags = MF_EPOCH_CLOSE | MF_SOM_CHANGE;
1200 rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, mod);
1201 if (rc == -EAGAIN) {
1202 /* MDS has instructed us to obtain Size-on-MDS attribute
1203 * from OSTs and send setattr to back to MDS. */
1204 rc = ll_sizeonmds_update(inode, mod, &op_data->op_handle,
1205 op_data->op_ioepoch);
1207 CERROR("inode %lu mdc truncate failed: rc = %d\n",
1213 static int ll_setattr_do_truncate(struct inode *inode, loff_t size)
1215 struct obd_capa *capa = ll_osscapa_get(inode, CAPA_OPC_OSS_TRUNC);
1218 rc = cl_setattr_do_truncate(inode, size, capa);
1219 ll_truncate_free_capa(capa);
1223 static int ll_setattr_ost(struct inode *inode)
1225 struct obd_capa *capa = ll_mdscapa_get(inode);
1228 rc = cl_setattr_ost(inode, capa);
1234 /* If this inode has objects allocated to it (lsm != NULL), then the OST
1235 * object(s) determine the file size and mtime. Otherwise, the MDS will
1236 * keep these values until such a time that objects are allocated for it.
1237 * We do the MDS operations first, as it is checking permissions for us.
1238 * We don't to the MDS RPC if there is nothing that we want to store there,
1239 * otherwise there is no harm in updating mtime/atime on the MDS if we are
1240 * going to do an RPC anyways.
1242 * If we are doing a truncate, we will send the mtime and ctime updates
1243 * to the OST with the punch RPC, otherwise we do an explicit setattr RPC.
1244 * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
1247 int ll_setattr_raw(struct inode *inode, struct iattr *attr)
1249 struct ll_inode_info *lli = ll_i2info(inode);
1250 struct lov_stripe_md *lsm = lli->lli_smd;
1251 struct md_op_data *op_data = NULL;
1252 struct md_open_data *mod = NULL;
1253 int ia_valid = attr->ia_valid;
1254 int rc = 0, rc1 = 0;
1257 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu valid %x\n", inode->i_ino,
1259 ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_SETATTR, 1);
1261 if (ia_valid & ATTR_SIZE) {
1262 if (attr->ia_size > ll_file_maxbytes(inode)) {
1263 CDEBUG(D_INODE, "file too large %llu > "LPU64"\n",
1264 attr->ia_size, ll_file_maxbytes(inode));
1268 attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
1271 /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
1272 if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
1273 if (current->fsuid != inode->i_uid &&
1274 !cfs_capable(CFS_CAP_FOWNER))
1278 /* We mark all of the fields "set" so MDS/OST does not re-set them */
1279 if (attr->ia_valid & ATTR_CTIME) {
1280 attr->ia_ctime = CURRENT_TIME;
1281 attr->ia_valid |= ATTR_CTIME_SET;
1283 if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) {
1284 attr->ia_atime = CURRENT_TIME;
1285 attr->ia_valid |= ATTR_ATIME_SET;
1287 if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
1288 attr->ia_mtime = CURRENT_TIME;
1289 attr->ia_valid |= ATTR_MTIME_SET;
1291 if ((attr->ia_valid & ATTR_CTIME) && !(attr->ia_valid & ATTR_MTIME)) {
1292 /* To avoid stale mtime on mds, obtain it from ost and send
1294 rc = cl_glimpse_size(inode);
1298 attr->ia_valid |= ATTR_MTIME_SET | ATTR_MTIME;
1299 attr->ia_mtime = inode->i_mtime;
1302 if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
1303 CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
1304 LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
1305 cfs_time_current_sec());
1307 /* NB: ATTR_SIZE will only be set after this point if the size
1308 * resides on the MDS, ie, this file has no objects. */
1310 attr->ia_valid &= ~ATTR_SIZE;
1312 /* We always do an MDS RPC, even if we're only changing the size;
1313 * only the MDS knows whether truncate() should fail with -ETXTBUSY */
1315 OBD_ALLOC_PTR(op_data);
1316 if (op_data == NULL)
1319 memcpy(&op_data->op_attr, attr, sizeof(*attr));
1321 /* Open epoch for truncate. */
1322 if ((ll_i2mdexp(inode)->exp_connect_flags & OBD_CONNECT_SOM) &&
1323 (ia_valid & ATTR_SIZE))
1324 op_data->op_flags = MF_EPOCH_OPEN;
1326 rc = ll_md_setattr(inode, op_data, &mod);
1330 if (op_data->op_ioepoch)
1331 CDEBUG(D_INODE, "Epoch "LPU64" opened on "DFID" for "
1332 "truncate\n", op_data->op_ioepoch, PFID(&lli->lli_fid));
1334 if (!lsm || !S_ISREG(inode->i_mode)) {
1335 CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
1339 if (ia_valid & ATTR_SIZE)
1340 rc = ll_setattr_do_truncate(inode, attr->ia_size);
1341 else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
1342 CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
1343 inode->i_ino, LTIME_S(attr->ia_mtime));
1344 rc = ll_setattr_ost(inode);
1349 if (op_data->op_ioepoch)
1350 rc1 = ll_setattr_done_writing(inode, op_data, mod);
1351 ll_finish_md_op_data(op_data);
1353 return rc ? rc : rc1;
1356 int ll_setattr(struct dentry *de, struct iattr *attr)
1358 if ((attr->ia_valid & (ATTR_CTIME|ATTR_SIZE|ATTR_MODE)) ==
1359 (ATTR_CTIME|ATTR_SIZE|ATTR_MODE))
1360 attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE;
1362 if ((de->d_inode->i_mode & S_ISUID) &&
1363 !(attr->ia_mode & S_ISUID) &&
1364 !(attr->ia_valid & ATTR_KILL_SUID))
1365 attr->ia_valid |= ATTR_KILL_SUID;
1367 if (((de->d_inode->i_mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) &&
1368 !(attr->ia_mode & S_ISGID) &&
1369 !(attr->ia_valid & ATTR_KILL_SGID))
1370 attr->ia_valid |= ATTR_KILL_SGID;
1372 return ll_setattr_raw(de->d_inode, attr);
1375 int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
1376 __u64 max_age, __u32 flags)
1378 struct ll_sb_info *sbi = ll_s2sbi(sb);
1379 struct obd_statfs obd_osfs;
1383 rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age, flags);
1385 CERROR("md_statfs fails: rc = %d\n", rc);
1389 osfs->os_type = sb->s_magic;
1391 CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1392 osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
1394 rc = obd_statfs_rqset(class_exp2obd(sbi->ll_dt_exp),
1395 &obd_osfs, max_age, flags);
1397 CERROR("obd_statfs fails: rc = %d\n", rc);
1401 CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1402 obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
1405 osfs->os_bsize = obd_osfs.os_bsize;
1406 osfs->os_blocks = obd_osfs.os_blocks;
1407 osfs->os_bfree = obd_osfs.os_bfree;
1408 osfs->os_bavail = obd_osfs.os_bavail;
1410 /* If we don't have as many objects free on the OST as inodes
1411 * on the MDS, we reduce the total number of inodes to
1412 * compensate, so that the "inodes in use" number is correct.
1414 if (obd_osfs.os_ffree < osfs->os_ffree) {
1415 osfs->os_files = (osfs->os_files - osfs->os_ffree) +
1417 osfs->os_ffree = obd_osfs.os_ffree;
1422 #ifndef HAVE_STATFS_DENTRY_PARAM
1423 int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
1426 int ll_statfs(struct dentry *de, struct kstatfs *sfs)
1428 struct super_block *sb = de->d_sb;
1430 struct obd_statfs osfs;
1433 CDEBUG(D_VFSTRACE, "VFS Op: at "LPU64" jiffies\n", get_jiffies_64());
1434 ll_stats_ops_tally(ll_s2sbi(sb), LPROC_LL_STAFS, 1);
1436 /* For now we will always get up-to-date statfs values, but in the
1437 * future we may allow some amount of caching on the client (e.g.
1438 * from QOS or lprocfs updates). */
1439 rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - 1, 0);
1443 statfs_unpack(sfs, &osfs);
1445 /* We need to downshift for all 32-bit kernels, because we can't
1446 * tell if the kernel is being called via sys_statfs64() or not.
1447 * Stop before overflowing f_bsize - in which case it is better
1448 * to just risk EOVERFLOW if caller is using old sys_statfs(). */
1449 if (sizeof(long) < 8) {
1450 while (osfs.os_blocks > ~0UL && sfs->f_bsize < 0x40000000) {
1453 osfs.os_blocks >>= 1;
1454 osfs.os_bfree >>= 1;
1455 osfs.os_bavail >>= 1;
1459 sfs->f_blocks = osfs.os_blocks;
1460 sfs->f_bfree = osfs.os_bfree;
1461 sfs->f_bavail = osfs.os_bavail;
1466 void ll_inode_size_lock(struct inode *inode, int lock_lsm)
1468 struct ll_inode_info *lli;
1469 struct lov_stripe_md *lsm;
1471 lli = ll_i2info(inode);
1472 LASSERT(lli->lli_size_sem_owner != current);
1473 down(&lli->lli_size_sem);
1474 LASSERT(lli->lli_size_sem_owner == NULL);
1475 lli->lli_size_sem_owner = current;
1477 LASSERTF(lsm != NULL || lock_lsm == 0, "lsm %p, lock_lsm %d\n",
1480 lov_stripe_lock(lsm);
1483 void ll_inode_size_unlock(struct inode *inode, int unlock_lsm)
1485 struct ll_inode_info *lli;
1486 struct lov_stripe_md *lsm;
1488 lli = ll_i2info(inode);
1490 LASSERTF(lsm != NULL || unlock_lsm == 0, "lsm %p, lock_lsm %d\n",
1493 lov_stripe_unlock(lsm);
1494 LASSERT(lli->lli_size_sem_owner == current);
1495 lli->lli_size_sem_owner = NULL;
1496 up(&lli->lli_size_sem);
1499 static void ll_replace_lsm(struct inode *inode, struct lov_stripe_md *lsm)
1501 struct ll_inode_info *lli = ll_i2info(inode);
1503 dump_lsm(D_INODE, lsm);
1504 dump_lsm(D_INODE, lli->lli_smd);
1505 LASSERTF(lsm->lsm_magic == LOV_MAGIC_JOIN,
1506 "lsm must be joined lsm %p\n", lsm);
1507 obd_free_memmd(ll_i2dtexp(inode), &lli->lli_smd);
1508 CDEBUG(D_INODE, "replace lsm %p to lli_smd %p for inode %lu%u(%p)\n",
1509 lsm, lli->lli_smd, inode->i_ino, inode->i_generation, inode);
1511 lli->lli_maxbytes = lsm->lsm_maxbytes;
1512 if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
1513 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
1516 void ll_update_inode(struct inode *inode, struct lustre_md *md)
1518 struct ll_inode_info *lli = ll_i2info(inode);
1519 struct mdt_body *body = md->body;
1520 struct lov_stripe_md *lsm = md->lsm;
1521 struct ll_sb_info *sbi = ll_i2sbi(inode);
1523 LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
1525 if (lli->lli_smd == NULL) {
1526 if (lsm->lsm_magic != LOV_MAGIC_V1 &&
1527 lsm->lsm_magic != LOV_MAGIC_V3 &&
1528 lsm->lsm_magic != LOV_MAGIC_JOIN) {
1529 dump_lsm(D_ERROR, lsm);
1532 CDEBUG(D_INODE, "adding lsm %p to inode %lu/%u(%p)\n",
1533 lsm, inode->i_ino, inode->i_generation, inode);
1534 cl_inode_init(inode, md);
1535 /* ll_inode_size_lock() requires it is only
1536 * called with lli_smd != NULL or lock_lsm == 0
1537 * or we can race between lock/unlock.
1540 lli->lli_maxbytes = lsm->lsm_maxbytes;
1541 if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
1542 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
1544 if (lli->lli_smd->lsm_magic == lsm->lsm_magic &&
1545 lli->lli_smd->lsm_stripe_count ==
1546 lsm->lsm_stripe_count) {
1547 if (lov_stripe_md_cmp(lli->lli_smd, lsm)) {
1548 CERROR("lsm mismatch for inode %ld\n",
1550 CERROR("lli_smd:\n");
1551 dump_lsm(D_ERROR, lli->lli_smd);
1553 dump_lsm(D_ERROR, lsm);
1557 cl_inode_init(inode, md);
1558 ll_replace_lsm(inode, lsm);
1561 if (lli->lli_smd != lsm)
1562 obd_free_memmd(ll_i2dtexp(inode), &lsm);
1565 if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
1566 if (body->valid & OBD_MD_FLRMTPERM)
1567 ll_update_remote_perm(inode, md->remote_perm);
1569 #ifdef CONFIG_FS_POSIX_ACL
1570 else if (body->valid & OBD_MD_FLACL) {
1571 spin_lock(&lli->lli_lock);
1572 if (lli->lli_posix_acl)
1573 posix_acl_release(lli->lli_posix_acl);
1574 lli->lli_posix_acl = md->posix_acl;
1575 spin_unlock(&lli->lli_lock);
1578 inode->i_ino = ll_fid_build_ino(sbi, &body->fid1);
1579 inode->i_generation = ll_fid_build_gen(sbi, &body->fid1);
1581 if (body->valid & OBD_MD_FLATIME &&
1582 body->atime > LTIME_S(inode->i_atime))
1583 LTIME_S(inode->i_atime) = body->atime;
1585 /* mtime is always updated with ctime, but can be set in past.
1586 As write and utime(2) may happen within 1 second, and utime's
1587 mtime has a priority over write's one, so take mtime from mds
1588 for the same ctimes. */
1589 if (body->valid & OBD_MD_FLCTIME &&
1590 body->ctime >= LTIME_S(inode->i_ctime)) {
1591 LTIME_S(inode->i_ctime) = body->ctime;
1592 if (body->valid & OBD_MD_FLMTIME) {
1593 CDEBUG(D_INODE, "setting ino %lu mtime "
1594 "from %lu to "LPU64"\n", inode->i_ino,
1595 LTIME_S(inode->i_mtime), body->mtime);
1596 LTIME_S(inode->i_mtime) = body->mtime;
1599 if (body->valid & OBD_MD_FLMODE)
1600 inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT);
1601 if (body->valid & OBD_MD_FLTYPE)
1602 inode->i_mode = (inode->i_mode & ~S_IFMT)|(body->mode & S_IFMT);
1603 LASSERT(inode->i_mode != 0);
1604 if (S_ISREG(inode->i_mode)) {
1605 inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1, LL_MAX_BLKSIZE_BITS);
1607 inode->i_blkbits = inode->i_sb->s_blocksize_bits;
1609 #ifdef HAVE_INODE_BLKSIZE
1610 inode->i_blksize = 1<<inode->i_blkbits;
1612 if (body->valid & OBD_MD_FLUID)
1613 inode->i_uid = body->uid;
1614 if (body->valid & OBD_MD_FLGID)
1615 inode->i_gid = body->gid;
1616 if (body->valid & OBD_MD_FLFLAGS)
1617 inode->i_flags = ll_ext_to_inode_flags(body->flags);
1618 if (body->valid & OBD_MD_FLNLINK)
1619 inode->i_nlink = body->nlink;
1620 if (body->valid & OBD_MD_FLRDEV)
1621 inode->i_rdev = old_decode_dev(body->rdev);
1623 if (body->valid & OBD_MD_FLID) {
1624 /* FID shouldn't be changed! */
1625 if (fid_is_sane(&lli->lli_fid)) {
1626 LASSERTF(lu_fid_eq(&lli->lli_fid, &body->fid1),
1627 "Trying to change FID "DFID
1628 " to the "DFID", inode %lu/%u(%p)\n",
1629 PFID(&lli->lli_fid), PFID(&body->fid1),
1630 inode->i_ino, inode->i_generation, inode);
1632 lli->lli_fid = body->fid1;
1635 LASSERT(fid_seq(&lli->lli_fid) != 0);
1637 if (body->valid & OBD_MD_FLSIZE) {
1638 if ((ll_i2mdexp(inode)->exp_connect_flags & OBD_CONNECT_SOM) &&
1639 S_ISREG(inode->i_mode) && lli->lli_smd) {
1640 struct lustre_handle lockh;
1643 /* As it is possible a blocking ast has been processed
1644 * by this time, we need to check there is an UPDATE
1645 * lock on the client and set LLIF_MDS_SIZE_LOCK holding
1647 mode = ll_take_md_lock(inode, MDS_INODELOCK_UPDATE,
1650 if (lli->lli_flags & (LLIF_DONE_WRITING |
1651 LLIF_EPOCH_PENDING |
1653 CERROR("ino %lu flags %lu still has "
1654 "size authority! do not trust "
1655 "the size got from MDS\n",
1656 inode->i_ino, lli->lli_flags);
1658 /* Use old size assignment to avoid
1659 * deadlock bz14138 & bz14326 */
1660 inode->i_size = body->size;
1661 lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
1663 ldlm_lock_decref(&lockh, mode);
1666 /* Use old size assignment to avoid
1667 * deadlock bz14138 & bz14326 */
1668 inode->i_size = body->size;
1671 if (body->valid & OBD_MD_FLBLOCKS)
1672 inode->i_blocks = body->blocks;
1675 if (body->valid & OBD_MD_FLMDSCAPA) {
1676 LASSERT(md->mds_capa);
1677 ll_add_capa(inode, md->mds_capa);
1679 if (body->valid & OBD_MD_FLOSSCAPA) {
1680 LASSERT(md->oss_capa);
1681 ll_add_capa(inode, md->oss_capa);
1685 static struct backing_dev_info ll_backing_dev_info = {
1686 .ra_pages = 0, /* No readahead */
1687 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12))
1688 .capabilities = 0, /* Does contribute to dirty memory */
1690 .memory_backed = 0, /* Does contribute to dirty memory */
1694 void ll_read_inode2(struct inode *inode, void *opaque)
1696 struct lustre_md *md = opaque;
1697 struct ll_inode_info *lli = ll_i2info(inode);
1700 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n",
1701 inode->i_ino, inode->i_generation, inode);
1705 LASSERT(!lli->lli_smd);
1707 /* Core attributes from the MDS first. This is a new inode, and
1708 * the VFS doesn't zero times in the core inode so we have to do
1709 * it ourselves. They will be overwritten by either MDS or OST
1710 * attributes - we just need to make sure they aren't newer. */
1711 LTIME_S(inode->i_mtime) = 0;
1712 LTIME_S(inode->i_atime) = 0;
1713 LTIME_S(inode->i_ctime) = 0;
1715 ll_update_inode(inode, md);
1717 /* OIDEBUG(inode); */
1719 if (S_ISREG(inode->i_mode)) {
1720 struct ll_sb_info *sbi = ll_i2sbi(inode);
1721 inode->i_op = &ll_file_inode_operations;
1722 inode->i_fop = sbi->ll_fop;
1723 inode->i_mapping->a_ops = &ll_aops;
1725 } else if (S_ISDIR(inode->i_mode)) {
1726 inode->i_op = &ll_dir_inode_operations;
1727 inode->i_fop = &ll_dir_operations;
1728 inode->i_mapping->a_ops = &ll_dir_aops;
1730 } else if (S_ISLNK(inode->i_mode)) {
1731 inode->i_op = &ll_fast_symlink_inode_operations;
1734 inode->i_op = &ll_special_inode_operations;
1736 init_special_inode(inode, inode->i_mode,
1737 kdev_t_to_nr(inode->i_rdev));
1739 /* initializing backing dev info. */
1740 inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
1746 void ll_delete_inode(struct inode *inode)
1748 struct ll_sb_info *sbi = ll_i2sbi(inode);
1752 rc = obd_fid_delete(sbi->ll_md_exp, ll_inode2fid(inode));
1754 CERROR("fid_delete() failed, rc %d\n", rc);
1756 truncate_inode_pages(&inode->i_data, 0);
1762 int ll_iocontrol(struct inode *inode, struct file *file,
1763 unsigned int cmd, unsigned long arg)
1765 struct ll_sb_info *sbi = ll_i2sbi(inode);
1766 struct ptlrpc_request *req = NULL;
1771 case EXT3_IOC_GETFLAGS: {
1772 struct mdt_body *body;
1773 struct obd_capa *oc;
1775 oc = ll_mdscapa_get(inode);
1776 rc = md_getattr(sbi->ll_md_exp, ll_inode2fid(inode), oc,
1777 OBD_MD_FLFLAGS, 0, &req);
1780 CERROR("failure %d inode %lu\n", rc, inode->i_ino);
1784 body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
1786 flags = body->flags;
1788 ptlrpc_req_finished(req);
1790 RETURN(put_user(flags, (int *)arg));
1792 case EXT3_IOC_SETFLAGS: {
1793 struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
1794 struct obd_info oinfo = { { { 0 } } };
1795 struct md_op_data *op_data;
1797 if (get_user(flags, (int *)arg))
1801 OBDO_ALLOC(oinfo.oi_oa);
1805 op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
1806 LUSTRE_OPC_ANY, NULL);
1807 if (IS_ERR(op_data))
1808 RETURN(PTR_ERR(op_data));
1810 ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags = flags;
1811 op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG;
1812 rc = md_setattr(sbi->ll_md_exp, op_data,
1813 NULL, 0, NULL, 0, &req, NULL);
1814 ll_finish_md_op_data(op_data);
1815 ptlrpc_req_finished(req);
1816 if (rc || lsm == NULL) {
1817 OBDO_FREE(oinfo.oi_oa);
1821 oinfo.oi_oa->o_id = lsm->lsm_object_id;
1822 oinfo.oi_oa->o_gr = lsm->lsm_object_gr;
1823 oinfo.oi_oa->o_flags = flags;
1824 oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS |
1826 oinfo.oi_capa = ll_mdscapa_get(inode);
1828 obdo_from_inode(oinfo.oi_oa, inode,
1829 OBD_MD_FLFID | OBD_MD_FLGENER);
1830 rc = obd_setattr_rqset(sbi->ll_dt_exp, &oinfo, NULL);
1831 capa_put(oinfo.oi_capa);
1832 OBDO_FREE(oinfo.oi_oa);
1834 if (rc != -EPERM && rc != -EACCES)
1835 CERROR("md_setattr_async fails: rc = %d\n", rc);
1839 inode->i_flags = ll_ext_to_inode_flags(flags |
1840 MDS_BFLAG_EXT_FLAGS);
1850 int ll_flush_ctx(struct inode *inode)
1852 struct ll_sb_info *sbi = ll_i2sbi(inode);
1854 CDEBUG(D_SEC, "flush context for user %d\n", current->uid);
1856 obd_set_info_async(sbi->ll_md_exp,
1857 sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
1859 obd_set_info_async(sbi->ll_dt_exp,
1860 sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
1865 /* umount -f client means force down, don't save state */
1866 #ifdef HAVE_UMOUNTBEGIN_VFSMOUNT
1867 void ll_umount_begin(struct vfsmount *vfsmnt, int flags)
1869 struct super_block *sb = vfsmnt->mnt_sb;
1871 void ll_umount_begin(struct super_block *sb)
1874 struct lustre_sb_info *lsi = s2lsi(sb);
1875 struct ll_sb_info *sbi = ll_s2sbi(sb);
1876 struct obd_device *obd;
1877 struct obd_ioctl_data ioc_data = { 0 };
1880 #ifdef HAVE_UMOUNTBEGIN_VFSMOUNT
1881 if (!(flags & MNT_FORCE)) {
1887 /* Tell the MGC we got umount -f */
1888 lsi->lsi_flags |= LSI_UMOUNT_FORCE;
1890 CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb,
1891 sb->s_count, atomic_read(&sb->s_active));
1893 obd = class_exp2obd(sbi->ll_md_exp);
1895 CERROR("Invalid MDC connection handle "LPX64"\n",
1896 sbi->ll_md_exp->exp_handle.h_cookie);
1901 obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_md_exp, sizeof ioc_data,
1904 obd = class_exp2obd(sbi->ll_dt_exp);
1906 CERROR("Invalid LOV connection handle "LPX64"\n",
1907 sbi->ll_dt_exp->exp_handle.h_cookie);
1913 obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_dt_exp, sizeof ioc_data,
1916 /* Really, we'd like to wait until there are no requests outstanding,
1917 * and then continue. For now, we just invalidate the requests,
1918 * schedule() and sleep one second if needed, and hope.
1921 #ifdef HAVE_UMOUNTBEGIN_VFSMOUNT
1922 if (atomic_read(&vfsmnt->mnt_count) > 2) {
1923 cfs_schedule_timeout(CFS_TASK_INTERRUPTIBLE,
1924 cfs_time_seconds(1));
1925 if (atomic_read(&vfsmnt->mnt_count) > 2)
1926 LCONSOLE_WARN("Mount still busy with %d refs! You "
1927 "may try to umount it a bit later\n",
1928 atomic_read(&vfsmnt->mnt_count));
1935 int ll_remount_fs(struct super_block *sb, int *flags, char *data)
1937 struct ll_sb_info *sbi = ll_s2sbi(sb);
1941 if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
1942 read_only = *flags & MS_RDONLY;
1943 err = obd_set_info_async(sbi->ll_md_exp,
1944 sizeof(KEY_READ_ONLY),
1945 KEY_READ_ONLY, sizeof(read_only),
1948 CERROR("Failed to change the read-only flag during "
1949 "remount: %d\n", err);
1954 sb->s_flags |= MS_RDONLY;
1956 sb->s_flags &= ~MS_RDONLY;
1961 int ll_prep_inode(struct inode **inode,
1962 struct ptlrpc_request *req,
1963 struct super_block *sb)
1965 struct ll_sb_info *sbi = NULL;
1966 struct lustre_md md;
1970 LASSERT(*inode || sb);
1971 sbi = sb ? ll_s2sbi(sb) : ll_i2sbi(*inode);
1972 prune_deathrow(sbi, 1);
1973 memset(&md, 0, sizeof(struct lustre_md));
1975 rc = md_get_lustre_md(sbi->ll_md_exp, req, sbi->ll_dt_exp,
1976 sbi->ll_md_exp, &md);
1981 ll_update_inode(*inode, &md);
1983 LASSERT(sb != NULL);
1986 * At this point server returns to client's same fid as client
1987 * generated for creating. So using ->fid1 is okay here.
1989 LASSERT(fid_is_sane(&md.body->fid1));
1991 *inode = ll_iget(sb, ll_fid_build_ino(sbi, &md.body->fid1),&md);
1992 if (*inode == NULL || IS_ERR(*inode)) {
1994 obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
1995 #ifdef CONFIG_FS_POSIX_ACL
1997 posix_acl_release(md.posix_acl);
1998 md.posix_acl = NULL;
2001 rc = IS_ERR(*inode) ? PTR_ERR(*inode) : -ENOMEM;
2003 CERROR("new_inode -fatal: rc %d\n", rc);
2008 rc = obd_checkmd(sbi->ll_dt_exp, sbi->ll_md_exp,
2009 ll_i2info(*inode)->lli_smd);
2011 md_free_lustre_md(sbi->ll_md_exp, &md);
2015 int ll_obd_statfs(struct inode *inode, void *arg)
2017 struct ll_sb_info *sbi = NULL;
2018 struct obd_export *exp;
2020 struct obd_ioctl_data *data = NULL;
2024 if (!inode || !(sbi = ll_i2sbi(inode)))
2025 GOTO(out_statfs, rc = -EINVAL);
2027 rc = obd_ioctl_getdata(&buf, &len, arg);
2029 GOTO(out_statfs, rc);
2032 if (!data->ioc_inlbuf1 || !data->ioc_inlbuf2 ||
2033 !data->ioc_pbuf1 || !data->ioc_pbuf2)
2034 GOTO(out_statfs, rc = -EINVAL);
2036 memcpy(&type, data->ioc_inlbuf1, sizeof(__u32));
2037 if (type == LL_STATFS_MDC)
2038 exp = sbi->ll_md_exp;
2039 else if (type == LL_STATFS_LOV)
2040 exp = sbi->ll_dt_exp;
2042 GOTO(out_statfs, rc = -ENODEV);
2044 rc = obd_iocontrol(IOC_OBD_STATFS, exp, len, buf, NULL);
2046 GOTO(out_statfs, rc);
2049 obd_ioctl_freedata(buf, len);
2053 int ll_process_config(struct lustre_cfg *lcfg)
2057 struct lprocfs_static_vars lvars;
2061 lprocfs_llite_init_vars(&lvars);
2063 /* The instance name contains the sb: lustre-client-aacfe000 */
2064 ptr = strrchr(lustre_cfg_string(lcfg, 0), '-');
2065 if (!ptr || !*(++ptr))
2067 if (sscanf(ptr, "%lx", &x) != 1)
2070 /* This better be a real Lustre superblock! */
2071 LASSERT(s2lsi((struct super_block *)sb)->lsi_lmd->lmd_magic == LMD_MAGIC);
2073 /* Note we have not called client_common_fill_super yet, so
2074 proc fns must be able to handle that! */
2075 rc = class_process_proc_param(PARAM_LLITE, lvars.obd_vars,
2082 /* this function prepares md_op_data hint for passing ot down to MD stack. */
2083 struct md_op_data * ll_prep_md_op_data(struct md_op_data *op_data,
2084 struct inode *i1, struct inode *i2,
2085 const char *name, int namelen,
2086 int mode, __u32 opc, void *data)
2088 LASSERT(i1 != NULL);
2090 if (namelen > ll_i2sbi(i1)->ll_namelen)
2091 return ERR_PTR(-ENAMETOOLONG);
2093 if (op_data == NULL)
2094 OBD_ALLOC_PTR(op_data);
2096 if (op_data == NULL)
2097 return ERR_PTR(-ENOMEM);
2099 ll_i2gids(op_data->op_suppgids, i1, i2);
2100 op_data->op_fid1 = *ll_inode2fid(i1);
2101 op_data->op_capa1 = ll_mdscapa_get(i1);
2104 op_data->op_fid2 = *ll_inode2fid(i2);
2105 op_data->op_capa2 = ll_mdscapa_get(i2);
2107 fid_zero(&op_data->op_fid2);
2108 op_data->op_capa2 = NULL;
2111 op_data->op_name = name;
2112 op_data->op_namelen = namelen;
2113 op_data->op_mode = mode;
2114 op_data->op_mod_time = cfs_time_current_sec();
2115 op_data->op_fsuid = current->fsuid;
2116 op_data->op_fsgid = current->fsgid;
2117 op_data->op_cap = cfs_curproc_cap_pack();
2118 op_data->op_bias = MDS_CHECK_SPLIT;
2119 op_data->op_opc = opc;
2120 op_data->op_mds = 0;
2121 op_data->op_data = data;
2126 void ll_finish_md_op_data(struct md_op_data *op_data)
2128 capa_put(op_data->op_capa1);
2129 capa_put(op_data->op_capa2);
2130 OBD_FREE_PTR(op_data);
2133 int ll_show_options(struct seq_file *seq, struct vfsmount *vfs)
2135 struct ll_sb_info *sbi;
2137 LASSERT((seq != NULL) && (vfs != NULL));
2138 sbi = ll_s2sbi(vfs->mnt_sb);
2140 if (sbi->ll_flags & LL_SBI_NOLCK)
2141 seq_puts(seq, ",nolock");
2143 if (sbi->ll_flags & LL_SBI_FLOCK)
2144 seq_puts(seq, ",flock");
2146 if (sbi->ll_flags & LL_SBI_LOCALFLOCK)
2147 seq_puts(seq, ",localflock");
2149 if (sbi->ll_flags & LL_SBI_USER_XATTR)
2150 seq_puts(seq, ",user_xattr");
2152 if (sbi->ll_flags & LL_SBI_ACL)
2153 seq_puts(seq, ",acl");