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) 2002-2004 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
30 #include <sys/types.h>
32 #include <sys/fcntl.h>
33 #include <sys/queue.h>
36 # include <sys/statvfs.h>
38 # include <sys/statfs.h>
53 #include "llite_lib.h"
61 #define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
63 static int ll_permission(struct inode *inode, int mask)
65 struct llu_inode_info *lli = llu_i2info(inode);
66 mode_t mode = lli->lli_st_mode;
68 if (current->fsuid == lli->lli_st_uid)
70 else if (in_group_p(lli->lli_st_gid))
73 if ((mode & mask & (MAY_READ|MAY_WRITE|MAY_EXEC)) == mask)
76 if ((mask & (MAY_READ|MAY_WRITE)) ||
77 (lli->lli_st_mode & S_IXUGO))
78 if (capable(CAP_DAC_OVERRIDE))
81 if (mask == MAY_READ ||
82 (S_ISDIR(lli->lli_st_mode) && !(mask & MAY_WRITE))) {
83 if (capable(CAP_DAC_READ_SEARCH))
90 static void llu_fsop_gone(struct filesys *fs)
92 struct llu_sb_info *sbi = (struct llu_sb_info *)fs->fs_private;
93 struct obd_device *obd = class_exp2obd(sbi->ll_md_exp);
94 struct lustre_cfg_bufs bufs;
95 struct lustre_cfg *lcfg;
99 list_del(&sbi->ll_conn_chain);
100 obd_disconnect(sbi->ll_dt_exp, 0);
101 obd_disconnect(sbi->ll_md_exp, 0);
103 while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
107 lustre_cfg_bufs_reset(&bufs, obd->obd_name);
108 lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
109 err = class_process_config(&lcfg);
111 CERROR("cleanup failed: %s\n", obd->obd_name);
114 lcfg->lcfg_command = LCFG_DETACH;
115 err = class_process_config(&lcfg);
116 lustre_cfg_free(lcfg);
118 CERROR("detach failed: %s\n", obd->obd_name);
122 obd_disconnect(sbi->ll_md_exp, 0);
123 OBD_FREE(sbi, sizeof(*sbi));
127 struct inode_ops llu_inode_ops;
129 void llu_update_inode(struct inode *inode, struct mds_body *body,
130 struct lov_stripe_md *lsm)
132 struct llu_inode_info *lli = llu_i2info(inode);
134 LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
136 if (lli->lli_smd == NULL) {
138 lli->lli_maxbytes = lsm->lsm_maxbytes;
139 if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
140 lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
142 if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) {
143 CERROR("lsm mismatch for inode %ld\n",
150 id_assign_fid(&lli->lli_id, &body->id1);
152 if ((body->valid & OBD_MD_FLID) || (body->valid & OBD_MD_FLGENER))
153 id_assign_stc(&lli->lli_id, &body->id1);
154 if (body->valid & OBD_MD_FLID)
155 lli->lli_st_ino = id_ino(&body->id1);
156 if (body->valid & OBD_MD_FLGENER)
157 lli->lli_st_generation = id_gen(&body->id1);
159 if (body->valid & OBD_MD_FLATIME)
160 LTIME_S(lli->lli_st_atime) = body->atime;
161 if (body->valid & OBD_MD_FLMTIME)
162 LTIME_S(lli->lli_st_mtime) = body->mtime;
163 if (body->valid & OBD_MD_FLCTIME)
164 LTIME_S(lli->lli_st_ctime) = body->ctime;
165 if (body->valid & OBD_MD_FLMODE)
166 lli->lli_st_mode = (lli->lli_st_mode & S_IFMT)|(body->mode & ~S_IFMT);
167 if (body->valid & OBD_MD_FLTYPE)
168 lli->lli_st_mode = (lli->lli_st_mode & ~S_IFMT)|(body->mode & S_IFMT);
169 if (body->valid & OBD_MD_FLUID)
170 lli->lli_st_uid = body->uid;
171 if (body->valid & OBD_MD_FLGID)
172 lli->lli_st_gid = body->gid;
173 if (body->valid & OBD_MD_FLFLAGS)
174 lli->lli_st_flags = body->flags;
175 if (body->valid & OBD_MD_FLNLINK)
176 lli->lli_st_nlink = body->nlink;
177 if (body->valid & OBD_MD_FLRDEV)
178 lli->lli_st_rdev = body->rdev;
179 if (body->valid & OBD_MD_FLSIZE)
180 lli->lli_st_size = body->size;
181 if (body->valid & OBD_MD_FLBLOCKS)
182 lli->lli_st_blocks = body->blocks;
185 void obdo_to_inode(struct inode *dst, struct obdo *src, obd_valid valid)
187 struct llu_inode_info *lli = llu_i2info(dst);
189 valid &= src->o_valid;
191 if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
192 CDEBUG(D_INODE, "valid "LPX64", cur time %lu/%lu, new %lu/%lu\n",
194 LTIME_S(lli->lli_st_mtime), LTIME_S(lli->lli_st_ctime),
195 (long)src->o_mtime, (long)src->o_ctime);
197 if (valid & OBD_MD_FLATIME)
198 LTIME_S(lli->lli_st_atime) = src->o_atime;
199 if (valid & OBD_MD_FLMTIME)
200 LTIME_S(lli->lli_st_mtime) = src->o_mtime;
201 if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(lli->lli_st_ctime))
202 LTIME_S(lli->lli_st_ctime) = src->o_ctime;
203 if (valid & OBD_MD_FLSIZE)
204 lli->lli_st_size = src->o_size;
205 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
206 lli->lli_st_blocks = src->o_blocks;
207 if (valid & OBD_MD_FLBLKSZ)
208 lli->lli_st_blksize = src->o_blksize;
209 if (valid & OBD_MD_FLTYPE)
210 lli->lli_st_mode = (lli->lli_st_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
211 if (valid & OBD_MD_FLMODE)
212 lli->lli_st_mode = (lli->lli_st_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
213 if (valid & OBD_MD_FLUID)
214 lli->lli_st_uid = src->o_uid;
215 if (valid & OBD_MD_FLGID)
216 lli->lli_st_gid = src->o_gid;
217 if (valid & OBD_MD_FLFLAGS)
218 lli->lli_st_flags = src->o_flags;
219 if (valid & OBD_MD_FLGENER)
220 lli->lli_st_generation = src->o_generation;
223 #define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
224 #define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
226 void obdo_from_inode(struct obdo *dst, struct inode *src, obd_valid valid)
228 struct llu_inode_info *lli = llu_i2info(src);
229 obd_valid newvalid = 0;
231 if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
232 CDEBUG(D_INODE, "valid "LPX64", new time %lu/%lu\n",
233 valid, LTIME_S(lli->lli_st_mtime),
234 LTIME_S(lli->lli_st_ctime));
236 if (valid & OBD_MD_FLATIME) {
237 dst->o_atime = LTIME_S(lli->lli_st_atime);
238 newvalid |= OBD_MD_FLATIME;
240 if (valid & OBD_MD_FLMTIME) {
241 dst->o_mtime = LTIME_S(lli->lli_st_mtime);
242 newvalid |= OBD_MD_FLMTIME;
244 if (valid & OBD_MD_FLCTIME) {
245 dst->o_ctime = LTIME_S(lli->lli_st_ctime);
246 newvalid |= OBD_MD_FLCTIME;
248 if (valid & OBD_MD_FLSIZE) {
249 dst->o_size = lli->lli_st_size;
250 newvalid |= OBD_MD_FLSIZE;
252 if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
253 dst->o_blocks = lli->lli_st_blocks;
254 newvalid |= OBD_MD_FLBLOCKS;
256 if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
257 dst->o_blksize = lli->lli_st_blksize;
258 newvalid |= OBD_MD_FLBLKSZ;
260 if (valid & OBD_MD_FLTYPE) {
261 dst->o_mode = (dst->o_mode & S_IALLUGO)|(lli->lli_st_mode & S_IFMT);
262 newvalid |= OBD_MD_FLTYPE;
264 if (valid & OBD_MD_FLMODE) {
265 dst->o_mode = (dst->o_mode & S_IFMT)|(lli->lli_st_mode & S_IALLUGO);
266 newvalid |= OBD_MD_FLMODE;
268 if (valid & OBD_MD_FLUID) {
269 dst->o_uid = lli->lli_st_uid;
270 newvalid |= OBD_MD_FLUID;
272 if (valid & OBD_MD_FLGID) {
273 dst->o_gid = lli->lli_st_gid;
274 newvalid |= OBD_MD_FLGID;
276 if (valid & OBD_MD_FLFLAGS) {
277 dst->o_flags = lli->lli_st_flags;
278 newvalid |= OBD_MD_FLFLAGS;
280 if (valid & OBD_MD_FLGENER) {
281 dst->o_generation = lli->lli_st_generation;
282 newvalid |= OBD_MD_FLGENER;
285 dst->o_valid |= newvalid;
289 * really does the getattr on the inode and updates its fields
291 int llu_inode_getattr(struct inode *inode, struct lov_stripe_md *lsm)
293 struct llu_inode_info *lli = llu_i2info(inode);
294 struct obd_export *exp = llu_i2dtexp(inode);
295 struct ptlrpc_request_set *set;
297 obd_valid refresh_valid;
304 memset(&oa, 0, sizeof oa);
305 oa.o_id = lsm->lsm_object_id;
307 oa.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLSIZE |
308 OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ | OBD_MD_FLMTIME |
311 set = ptlrpc_prep_set();
313 CERROR ("ENOMEM allocing request set\n");
316 rc = obd_getattr_async(exp, &oa, lsm, set);
318 rc = ptlrpc_set_wait(set);
319 ptlrpc_set_destroy(set);
324 refresh_valid = OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ | OBD_MD_FLMTIME |
325 OBD_MD_FLCTIME | OBD_MD_FLSIZE;
327 /* We set this flag in commit write as we extend the file size. When
328 * the bit is set and the lock is canceled that covers the file size,
329 * we clear the bit. This is enough to protect the window where our
330 * local size extension is needed for writeback. However, it relies on
331 * behaviour that won't be true in the near future. This assumes that
332 * all getattr callers get extent locks, which they currnetly do. It
333 * also assumes that we only send discarding asts for {0,eof} truncates
334 * as is currently the case. This will have to be replaced by the
335 * proper eoc communication between clients and the ost, which is on
337 if (test_bit(LLI_F_PREFER_EXTENDED_SIZE, &lli->lli_flags)) {
338 if (oa.o_size < lli->lli_st_size)
339 refresh_valid &= ~OBD_MD_FLSIZE;
341 clear_bit(LLI_F_PREFER_EXTENDED_SIZE, &lli->lli_flags);
344 obdo_refresh_inode(inode, &oa, refresh_valid);
349 static struct inode* llu_new_inode(struct filesys *fs,
350 struct lustre_id *id)
353 struct llu_inode_info *lli;
355 OBD_ALLOC(lli, sizeof(*lli));
359 /* initialize lli here */
360 lli->lli_sbi = llu_fs2sbi(fs);
362 lli->lli_symlink_name = NULL;
364 lli->lli_maxbytes = (__u64)(~0UL);
365 lli->lli_file_data = NULL;
367 lli->lli_sysio_fid.fid_data = &lli->lli_id;
368 lli->lli_sysio_fid.fid_len = sizeof(lli->lli_id);
370 memcpy(&lli->lli_id, id, sizeof(*id));
372 /* file identifier is needed by functions like _sysio_i_find() */
373 inode = _sysio_i_new(fs, &lli->lli_sysio_fid,
374 #ifndef AUTOMOUNT_FILE_NAME
375 id->li_stc.u.e3s.l3s_type & S_IFMT,
377 id->li_stc.u.e3s.l3s_type, /* all of the bits! */
380 &llu_inode_ops, lli);
383 OBD_FREE(lli, sizeof(*lli));
388 static int llu_have_md_lock(struct inode *inode, __u64 lockpart)
390 struct llu_sb_info *sbi = llu_i2sbi(inode);
391 struct llu_inode_info *lli = llu_i2info(inode);
392 struct lustre_handle lockh;
393 struct ldlm_res_id res_id = { .name = {0} };
394 struct obd_device *obddev;
395 ldlm_policy_data_t policy = { .l_inodebits = { lockpart } };
401 obddev = sbi->ll_md_exp->exp_obd;
402 res_id.name[0] = id_fid(&lli->lli_id);
403 res_id.name[1] = id_group(&lli->lli_id);
405 CDEBUG(D_INFO, "trying to match res "LPU64"\n", res_id.name[0]);
407 /* FIXME use LDLM_FL_TEST_LOCK instead */
408 flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING;
409 if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_IBITS,
410 &policy, LCK_PR, &lockh)) {
411 ldlm_lock_decref(&lockh, LCK_PR);
415 if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_IBITS,
416 &policy, LCK_PW, &lockh)) {
417 ldlm_lock_decref(&lockh, LCK_PW);
423 static int llu_inode_revalidate(struct inode *inode)
425 struct llu_inode_info *lli = llu_i2info(inode);
426 struct lov_stripe_md *lsm = NULL;
430 CERROR("REPORT THIS LINE TO PETER\n");
434 if (!llu_have_md_lock(inode, MDS_INODELOCK_UPDATE)) {
436 struct ptlrpc_request *req = NULL;
437 struct llu_sb_info *sbi = llu_i2sbi(inode);
442 /* Why don't we update all valid MDS fields here, if we're doing
443 * an RPC anyways? -phil */
444 if (S_ISREG(lli->lli_st_mode)) {
445 ealen = obd_size_diskmd(sbi->ll_dt_exp, NULL);
446 valid |= OBD_MD_FLEASIZE;
448 ll_inode2id(&id, inode);
449 rc = mdc_getattr(sbi->ll_md_exp, &id, valid, NULL, 0,
452 CERROR("failure %d inode %lu\n", rc, lli->lli_st_ino);
455 rc = mdc_req2lustre_md(sbi->ll_md_exp, req, 0,
456 sbi->ll_dt_exp, &md);
458 /* XXX Too paranoid? */
459 if (((md.body->valid ^ valid) & OBD_MD_FLEASIZE) &&
460 !((md.body->valid & OBD_MD_FLNLINK) &&
461 (md.body->nlink == 0))) {
462 CERROR("Asked for %s eadata but got %s (%d)\n",
463 (valid & OBD_MD_FLEASIZE) ? "some" : "no",
464 (md.body->valid & OBD_MD_FLEASIZE) ? "some":"none",
465 md.body->eadatasize);
468 ptlrpc_req_finished(req);
473 llu_update_inode(inode, md.body, md.lsm);
474 if (md.lsm != NULL && llu_i2info(inode)->lli_smd != md.lsm)
475 obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
477 if (md.body->valid & OBD_MD_FLSIZE)
478 set_bit(LLI_F_HAVE_MDS_SIZE_LOCK,
479 &llu_i2info(inode)->lli_flags);
480 ptlrpc_req_finished(req);
483 lsm = llu_i2info(inode)->lli_smd;
484 if (!lsm) /* object not yet allocated, don't validate size */
487 /* ll_glimpse_size will prefer locally cached writes if they extend
489 RETURN(llu_glimpse_size(inode));
492 static void copy_stat_buf(struct inode *ino, struct intnl_stat *b)
494 struct llu_inode_info *lli = llu_i2info(ino);
496 b->st_dev = lli->lli_st_dev;
497 b->st_ino = lli->lli_st_ino;
498 b->st_mode = lli->lli_st_mode;
499 b->st_nlink = lli->lli_st_nlink;
500 b->st_uid = lli->lli_st_uid;
501 b->st_gid = lli->lli_st_gid;
502 b->st_rdev = lli->lli_st_rdev;
503 b->st_size = lli->lli_st_size;
504 b->st_blksize = lli->lli_st_blksize;
505 b->st_blocks = lli->lli_st_blocks;
506 b->st_atime = lli->lli_st_atime;
507 b->st_mtime = lli->lli_st_mtime;
508 b->st_ctime = lli->lli_st_ctime;
511 static int llu_iop_getattr(struct pnode *pno,
513 struct intnl_stat *b)
518 liblustre_wait_event(0);
522 LASSERT(pno->p_base->pb_ino);
523 ino = pno->p_base->pb_ino;
525 LASSERT(!pno || pno->p_base->pb_ino == ino);
528 /* libsysio might call us directly without intent lock,
529 * we must re-fetch the attrs here
531 rc = llu_inode_revalidate(ino);
533 copy_stat_buf(ino, b);
534 LASSERT(!llu_i2info(ino)->lli_it);
540 static int null_if_equal(struct ldlm_lock *lock, void *data)
542 if (data == lock->l_ast_data) {
543 lock->l_ast_data = NULL;
545 if (lock->l_req_mode != lock->l_granted_mode)
546 LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
549 return LDLM_ITER_CONTINUE;
552 void llu_clear_inode(struct inode *inode)
555 struct llu_inode_info *lli = llu_i2info(inode);
556 struct llu_sb_info *sbi = llu_i2sbi(inode);
559 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%lu(%p)\n", lli->lli_st_ino,
560 lli->lli_st_generation, inode);
562 ll_inode2id(&id, inode);
563 clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(lli->lli_flags));
564 mdc_change_cbdata(sbi->ll_md_exp, &id, null_if_equal, inode);
567 obd_change_cbdata(sbi->ll_dt_exp, lli->lli_smd,
568 null_if_equal, inode);
571 obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
575 if (lli->lli_symlink_name) {
576 OBD_FREE(lli->lli_symlink_name,
577 strlen(lli->lli_symlink_name) + 1);
578 lli->lli_symlink_name = NULL;
584 void llu_iop_gone(struct inode *inode)
586 struct llu_inode_info *lli = llu_i2info(inode);
589 liblustre_wait_event(0);
590 llu_clear_inode(inode);
592 OBD_FREE(lli, sizeof(*lli));
596 static int inode_setattr(struct inode * inode, struct iattr * attr)
598 unsigned int ia_valid = attr->ia_valid;
599 struct llu_inode_info *lli = llu_i2info(inode);
602 if (ia_valid & ATTR_SIZE) {
603 error = llu_vmtruncate(inode, attr->ia_size);
608 if (ia_valid & ATTR_UID)
609 lli->lli_st_uid = attr->ia_uid;
610 if (ia_valid & ATTR_GID)
611 lli->lli_st_gid = attr->ia_gid;
612 if (ia_valid & ATTR_ATIME)
613 lli->lli_st_atime = attr->ia_atime;
614 if (ia_valid & ATTR_MTIME)
615 lli->lli_st_mtime = attr->ia_mtime;
616 if (ia_valid & ATTR_CTIME)
617 lli->lli_st_ctime = attr->ia_ctime;
618 if (ia_valid & ATTR_MODE) {
619 lli->lli_st_mode = attr->ia_mode;
620 if (!in_group_p(lli->lli_st_gid) && !capable(CAP_FSETID))
621 lli->lli_st_mode &= ~S_ISGID;
623 /* mark_inode_dirty(inode); */
628 /* If this inode has objects allocated to it (lsm != NULL), then the OST
629 * object(s) determine the file size and mtime. Otherwise, the MDS will
630 * keep these values until such a time that objects are allocated for it.
631 * We do the MDS operations first, as it is checking permissions for us.
632 * We don't to the MDS RPC if there is nothing that we want to store there,
633 * otherwise there is no harm in updating mtime/atime on the MDS if we are
634 * going to do an RPC anyways.
636 * If we are doing a truncate, we will send the mtime and ctime updates
637 * to the OST with the punch RPC, otherwise we do an explicit setattr RPC.
638 * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
641 int llu_setattr_raw(struct inode *inode, struct iattr *attr)
643 struct lov_stripe_md *lsm = llu_i2info(inode)->lli_smd;
644 struct llu_sb_info *sbi = llu_i2sbi(inode);
645 struct llu_inode_info *lli = llu_i2info(inode);
646 struct ptlrpc_request *request = NULL;
647 struct mdc_op_data op_data;
648 int ia_valid = attr->ia_valid;
652 CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", lli->lli_st_ino);
654 if (ia_valid & ATTR_SIZE) {
655 if (attr->ia_size > ll_file_maxbytes(inode)) {
656 CDEBUG(D_INODE, "file too large %llu > "LPU64"\n",
657 attr->ia_size, ll_file_maxbytes(inode));
661 attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
664 /* We mark all of the fields "set" so MDS/OST does not re-set them */
665 if (attr->ia_valid & ATTR_CTIME) {
666 attr->ia_ctime = CURRENT_TIME;
667 attr->ia_valid |= ATTR_CTIME_SET;
669 if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) {
670 attr->ia_atime = CURRENT_TIME;
671 attr->ia_valid |= ATTR_ATIME_SET;
673 if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
674 attr->ia_mtime = CURRENT_TIME;
675 attr->ia_valid |= ATTR_MTIME_SET;
678 if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
679 CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
680 LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
681 LTIME_S(CURRENT_TIME));
683 attr->ia_valid &= ~ATTR_SIZE;
685 /* If only OST attributes being set on objects, don't do MDS RPC.
686 * In that case, we need to check permissions and update the local
687 * inode ourselves so we can call obdo_from_inode() always. */
688 if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN | ATTR_RAW) : ~0)) {
690 llu_prepare_mdc_data(&op_data, inode, NULL, NULL, 0, 0);
692 rc = mdc_setattr(sbi->ll_md_exp, &op_data,
693 attr, NULL, 0, NULL, 0, &request);
696 ptlrpc_req_finished(request);
697 if (rc != -EPERM && rc != -EACCES)
698 CERROR("mdc_setattr fails: rc = %d\n", rc);
702 rc = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
703 sbi->ll_dt_exp, &md);
705 ptlrpc_req_finished(request);
709 /* Won't invoke vmtruncate as we already cleared ATTR_SIZE,
710 * but needed to set timestamps backwards on utime. */
711 inode_setattr(inode, attr);
712 llu_update_inode(inode, md.body, md.lsm);
713 ptlrpc_req_finished(request);
715 if (!md.lsm || !S_ISREG(lli->lli_st_mode)) {
716 CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
720 /* The OST doesn't check permissions, but the alternative is
721 * a gratuitous RPC to the MDS. We already rely on the client
722 * to do read/write/truncate permission checks, so is mtime OK?
724 if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
725 /* from sys_utime() */
726 if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
727 if (current->fsuid != lli->lli_st_uid &&
728 (rc = ll_permission(inode, MAY_WRITE)) != 0)
731 /* from inode_change_ok() */
732 if (current->fsuid != lli->lli_st_uid &&
733 !capable(CAP_FOWNER))
738 /* Won't invoke vmtruncate, as we already cleared ATTR_SIZE */
739 inode_setattr(inode, attr);
742 if (ia_valid & ATTR_SIZE) {
743 ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
745 struct lustre_handle lockh = { 0 };
746 int err, ast_flags = 0;
747 /* XXX when we fix the AST intents to pass the discard-range
748 * XXX extent, make ast_flags always LDLM_AST_DISCARD_DATA
750 if (attr->ia_size == 0)
751 ast_flags = LDLM_AST_DISCARD_DATA;
753 rc = llu_extent_lock(NULL, inode, lsm, LCK_PW, &policy,
755 if (rc != ELDLM_OK) {
761 rc = llu_vmtruncate(inode, attr->ia_size);
763 /* unlock now as we don't mind others file lockers racing with
764 * the mds updates below? */
765 err = llu_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
767 CERROR("llu_extent_unlock failed: %d\n", err);
771 } else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
774 CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
775 lli->lli_st_ino, LTIME_S(attr->ia_mtime));
776 oa.o_id = lsm->lsm_object_id;
777 oa.o_valid = OBD_MD_FLID;
778 obdo_from_inode(&oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
779 OBD_MD_FLMTIME | OBD_MD_FLCTIME);
780 rc = obd_setattr(sbi->ll_dt_exp, &oa, lsm, NULL);
782 CERROR("obd_setattr fails: rc=%d\n", rc);
787 /* here we simply act as a thin layer to glue it with
788 * llu_setattr_raw(), which is copy from kernel
790 static int llu_iop_setattr(struct pnode *pno,
793 struct intnl_stat *stbuf)
798 liblustre_wait_event(0);
800 LASSERT(!(mask & ~(SETATTR_MTIME | SETATTR_ATIME |
801 SETATTR_UID | SETATTR_GID |
802 SETATTR_LEN | SETATTR_MODE)));
803 memset(&iattr, 0, sizeof(iattr));
805 if (mask & SETATTR_MODE) {
806 iattr.ia_mode = stbuf->st_mode;
807 iattr.ia_valid |= ATTR_MODE;
809 if (mask & SETATTR_MTIME) {
810 iattr.ia_mtime = stbuf->st_mtime;
811 iattr.ia_valid |= ATTR_MTIME;
813 if (mask & SETATTR_ATIME) {
814 iattr.ia_atime = stbuf->st_atime;
815 iattr.ia_valid |= ATTR_ATIME;
817 if (mask & SETATTR_UID) {
818 iattr.ia_uid = stbuf->st_uid;
819 iattr.ia_valid |= ATTR_UID;
821 if (mask & SETATTR_GID) {
822 iattr.ia_gid = stbuf->st_gid;
823 iattr.ia_valid |= ATTR_GID;
825 if (mask & SETATTR_LEN) {
826 iattr.ia_size = stbuf->st_size; /* XXX signed expansion problem */
827 iattr.ia_valid |= ATTR_SIZE;
830 iattr.ia_valid |= ATTR_RAW;
832 RETURN(llu_setattr_raw(ino, &iattr));
835 #define EXT2_LINK_MAX 32000
837 static int llu_iop_symlink_raw(struct pnode *pno, const char *tgt)
839 struct inode *dir = pno->p_base->pb_parent->pb_ino;
840 struct qstr *qstr = &pno->p_base->pb_name;
841 const char *name = qstr->name;
843 struct ptlrpc_request *request = NULL;
844 struct llu_sb_info *sbi = llu_i2sbi(dir);
845 struct mdc_op_data op_data;
849 if (llu_i2info(dir)->lli_st_nlink >= EXT2_LINK_MAX)
852 llu_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
853 err = mdc_create(sbi->ll_md_exp, &op_data,
854 tgt, strlen(tgt) + 1, S_IFLNK | S_IRWXUGO,
855 current->fsuid, current->fsgid, 0, &request);
856 ptlrpc_req_finished(request);
860 static int llu_readlink_internal(struct inode *inode,
861 struct ptlrpc_request **request,
864 struct llu_inode_info *lli = llu_i2info(inode);
865 struct llu_sb_info *sbi = llu_i2sbi(inode);
867 struct mds_body *body;
868 int rc, symlen = lli->lli_st_size + 1;
873 if (lli->lli_symlink_name) {
874 *symname = lli->lli_symlink_name;
875 CDEBUG(D_INODE, "using cached symlink %s\n", *symname);
879 ll_inode2id(&id, inode);
880 rc = mdc_getattr(sbi->ll_md_exp, &id,
881 OBD_MD_LINKNAME, NULL, 0, NULL, symlen, request);
883 CERROR("inode %lu: rc = %d\n", lli->lli_st_ino, rc);
887 body = lustre_msg_buf ((*request)->rq_repmsg, 0, sizeof (*body));
888 LASSERT (body != NULL);
889 LASSERT_REPSWABBED (*request, 0);
891 if ((body->valid & OBD_MD_LINKNAME) == 0) {
892 CERROR ("OBD_MD_LINKNAME not set on reply\n");
893 GOTO (failed, rc = -EPROTO);
896 LASSERT (symlen != 0);
897 if (body->eadatasize != symlen) {
898 CERROR ("inode %lu: symlink length %d not expected %d\n",
899 lli->lli_st_ino, body->eadatasize - 1, symlen - 1);
900 GOTO (failed, rc = -EPROTO);
903 *symname = lustre_msg_buf ((*request)->rq_repmsg, 1, symlen);
904 if (*symname == NULL ||
905 strnlen (*symname, symlen) != symlen - 1) {
906 /* not full/NULL terminated */
907 CERROR ("inode %lu: symlink not NULL terminated string"
908 "of length %d\n", lli->lli_st_ino, symlen - 1);
909 GOTO (failed, rc = -EPROTO);
912 OBD_ALLOC(lli->lli_symlink_name, symlen);
913 /* do not return an error if we cannot cache the symlink locally */
914 if (lli->lli_symlink_name)
915 memcpy(lli->lli_symlink_name, *symname, symlen);
920 ptlrpc_req_finished (*request);
924 static int llu_iop_readlink(struct pnode *pno, char *data, size_t bufsize)
926 struct inode *inode = pno->p_base->pb_ino;
927 struct ptlrpc_request *request;
932 rc = llu_readlink_internal(inode, &request, &symname);
937 strncpy(data, symname, bufsize);
939 ptlrpc_req_finished(request);
944 static int llu_iop_mknod_raw(struct pnode *pno,
948 struct ptlrpc_request *request = NULL;
949 struct inode *dir = pno->p_parent->p_base->pb_ino;
950 struct llu_sb_info *sbi = llu_i2sbi(dir);
951 struct mdc_op_data op_data;
955 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu\n",
956 (int)pno->p_base->pb_name.len, pno->p_base->pb_name.name,
957 llu_i2info(dir)->lli_st_ino);
959 if (llu_i2info(dir)->lli_st_nlink >= EXT2_LINK_MAX)
962 mode &= ~current->fs->umask;
964 switch (mode & S_IFMT) {
967 mode |= S_IFREG; /* for mode = 0 case, fallthrough */
972 llu_prepare_mdc_data(&op_data, dir, NULL,
973 pno->p_base->pb_name.name,
974 pno->p_base->pb_name.len,
976 err = mdc_create(sbi->ll_md_exp, &op_data, NULL, 0, mode,
977 current->fsuid, current->fsgid, dev, &request);
978 ptlrpc_req_finished(request);
989 static int llu_iop_link_raw(struct pnode *old, struct pnode *new)
991 struct inode *src = old->p_base->pb_ino;
992 struct inode *dir = new->p_parent->p_base->pb_ino;
993 const char *name = new->p_base->pb_name.name;
994 int namelen = new->p_base->pb_name.len;
995 struct ptlrpc_request *request = NULL;
996 struct mdc_op_data op_data;
1003 liblustre_wait_event(0);
1004 llu_prepare_mdc_data(&op_data, src, dir, name, namelen, 0);
1005 rc = mdc_link(llu_i2sbi(src)->ll_md_exp, &op_data, &request);
1006 ptlrpc_req_finished(request);
1007 liblustre_wait_event(0);
1013 * libsysio will clear the inode immediately after return
1015 static int llu_iop_unlink_raw(struct pnode *pno)
1017 struct inode *dir = pno->p_base->pb_parent->pb_ino;
1018 struct qstr *qstr = &pno->p_base->pb_name;
1019 const char *name = qstr->name;
1020 int len = qstr->len;
1021 struct inode *target = pno->p_base->pb_ino;
1022 struct ptlrpc_request *request = NULL;
1023 struct mdc_op_data op_data;
1029 liblustre_wait_event(0);
1030 llu_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
1031 rc = mdc_unlink(llu_i2sbi(dir)->ll_md_exp, &op_data, &request);
1033 rc = llu_objects_destroy(request, dir);
1034 ptlrpc_req_finished(request);
1035 liblustre_wait_event(0);
1039 static int llu_iop_rename_raw(struct pnode *old, struct pnode *new)
1041 struct inode *src = old->p_parent->p_base->pb_ino;
1042 struct inode *tgt = new->p_parent->p_base->pb_ino;
1043 const char *oldname = old->p_base->pb_name.name;
1044 int oldnamelen = old->p_base->pb_name.len;
1045 const char *newname = new->p_base->pb_name.name;
1046 int newnamelen = new->p_base->pb_name.len;
1047 struct ptlrpc_request *request = NULL;
1048 struct mdc_op_data op_data;
1055 llu_prepare_mdc_data(&op_data, src, tgt, NULL, 0, 0);
1056 rc = mdc_rename(llu_i2sbi(src)->ll_md_exp, &op_data,
1057 oldname, oldnamelen, newname, newnamelen,
1060 rc = llu_objects_destroy(request, src);
1063 ptlrpc_req_finished(request);
1068 #ifdef _HAVE_STATVFS
1069 static int llu_statfs_internal(struct llu_sb_info *sbi,
1070 struct obd_statfs *osfs,
1071 unsigned long max_age)
1073 struct obd_statfs obd_osfs;
1077 rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age);
1079 CERROR("mdc_statfs fails: rc = %d\n", rc);
1083 CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1084 osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
1086 rc = obd_statfs(class_exp2obd(sbi->ll_dt_exp), &obd_osfs, max_age);
1088 CERROR("obd_statfs fails: rc = %d\n", rc);
1092 CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
1093 obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
1096 osfs->os_blocks = obd_osfs.os_blocks;
1097 osfs->os_bfree = obd_osfs.os_bfree;
1098 osfs->os_bavail = obd_osfs.os_bavail;
1100 /* If we don't have as many objects free on the OST as inodes
1101 * on the MDS, we reduce the total number of inodes to
1102 * compensate, so that the "inodes in use" number is correct.
1104 if (obd_osfs.os_ffree < osfs->os_ffree) {
1105 osfs->os_files = (osfs->os_files - osfs->os_ffree) +
1107 osfs->os_ffree = obd_osfs.os_ffree;
1113 static int llu_statfs(struct llu_sb_info *sbi, struct statfs *sfs)
1115 struct obd_statfs osfs;
1118 CDEBUG(D_VFSTRACE, "VFS Op:\n");
1120 /* For now we will always get up-to-date statfs values, but in the
1121 * future we may allow some amount of caching on the client (e.g.
1122 * from QOS or lprocfs updates). */
1123 rc = llu_statfs_internal(sbi, &osfs, jiffies - 1);
1127 statfs_unpack(sfs, &osfs);
1129 if (sizeof(sfs->f_blocks) == 4) {
1130 while (osfs.os_blocks > ~0UL) {
1133 osfs.os_blocks >>= 1;
1134 osfs.os_bfree >>= 1;
1135 osfs.os_bavail >>= 1;
1139 sfs->f_blocks = osfs.os_blocks;
1140 sfs->f_bfree = osfs.os_bfree;
1141 sfs->f_bavail = osfs.os_bavail;
1146 static int llu_iop_statvfs(struct pnode *pno,
1148 struct intnl_statvfs *buf)
1154 liblustre_wait_event(0);
1157 LASSERT(pno->p_base->pb_ino);
1158 rc = llu_statfs(llu_i2sbi(pno->p_base->pb_ino), &fs);
1162 /* from native driver */
1163 buf->f_bsize = fs.f_bsize; /* file system block size */
1164 buf->f_frsize = fs.f_bsize; /* file system fundamental block size */
1165 buf->f_blocks = fs.f_blocks;
1166 buf->f_bfree = fs.f_bfree;
1167 buf->f_bavail = fs.f_bavail;
1168 buf->f_files = fs.f_files; /* Total number serial numbers */
1169 buf->f_ffree = fs.f_ffree; /* Number free serial numbers */
1170 buf->f_favail = fs.f_ffree; /* Number free ser num for non-privileged*/
1171 buf->f_fsid = fs.f_fstc.__val[1];
1172 buf->f_flag = 0; /* No equiv in statfs; maybe use type? */
1173 buf->f_namemax = fs.f_namelen;
1178 #endif /* _HAVE_STATVFS */
1180 static int llu_iop_mkdir_raw(struct pnode *pno, mode_t mode)
1182 struct inode *dir = pno->p_base->pb_parent->pb_ino;
1183 struct qstr *qstr = &pno->p_base->pb_name;
1184 const char *name = qstr->name;
1185 int len = qstr->len;
1186 struct ptlrpc_request *request = NULL;
1187 struct llu_inode_info *lli = llu_i2info(dir);
1188 struct mdc_op_data op_data;
1191 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%lu(%p)\n",
1192 len, name, lli->lli_st_ino, lli->lli_st_generation, dir);
1194 if (lli->lli_st_nlink >= EXT2_LINK_MAX)
1197 mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
1198 llu_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
1199 err = mdc_create(llu_i2sbi(dir)->ll_md_exp, &op_data, NULL, 0, mode,
1200 current->fsuid, current->fsgid, 0, &request);
1201 ptlrpc_req_finished(request);
1205 static int llu_iop_rmdir_raw(struct pnode *pno)
1207 struct inode *dir = pno->p_base->pb_parent->pb_ino;
1208 struct qstr *qstr = &pno->p_base->pb_name;
1209 const char *name = qstr->name;
1210 int len = qstr->len;
1211 struct ptlrpc_request *request = NULL;
1212 struct mdc_op_data op_data;
1213 struct llu_inode_info *lli = llu_i2info(dir);
1216 CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%lu(%p)\n",
1217 len, name, lli->lli_st_ino, lli->lli_st_generation, dir);
1219 llu_prepare_mdc_data(&op_data, dir, NULL, name, len, S_IFDIR);
1220 rc = mdc_unlink(llu_i2sbi(dir)->ll_md_exp, &op_data, &request);
1221 ptlrpc_req_finished(request);
1227 #define FCNTL_FLMASK (O_APPEND|O_NONBLOCK|O_ASYNC|O_DIRECT)
1229 #define FCNTL_FLMASK (O_APPEND|O_NONBLOCK|O_ASYNC)
1231 #define FCNTL_FLMASK_INVALID (O_NONBLOCK|O_ASYNC)
1233 static int llu_iop_fcntl(struct inode *ino, int cmd, va_list ap, int *rtn)
1235 struct llu_inode_info *lli = llu_i2info(ino);
1240 *rtn = lli->lli_open_flags;
1243 flags = va_arg(ap, long);
1244 flags &= FCNTL_FLMASK;
1245 if (flags & FCNTL_FLMASK_INVALID) {
1246 CERROR("liblustre don't support O_NONBLOCK, O_ASYNC, "
1247 "and O_DIRECT on file descriptor\n");
1251 lli->lli_open_flags = (int) flags;
1256 CERROR("unsupported fcntl cmd %x\n", cmd);
1261 static int llu_get_grouplock(struct inode *inode, unsigned long arg)
1263 struct llu_inode_info *lli = llu_i2info(inode);
1264 struct ll_file_data *fd = lli->lli_file_data;
1265 ldlm_policy_data_t policy = { .l_extent = { .start = 0,
1266 .end = OBD_OBJECT_EOF}};
1267 struct lustre_handle lockh = { 0 };
1268 struct lov_stripe_md *lsm = lli->lli_smd;
1273 if (fd->fd_flags & LL_FILE_GROUP_LOCKED) {
1277 policy.l_extent.gid = arg;
1278 if (lli->lli_open_flags & O_NONBLOCK)
1279 flags = LDLM_FL_BLOCK_NOWAIT;
1281 err = llu_extent_lock(fd, inode, lsm, LCK_GROUP, &policy, &lockh,
1286 fd->fd_flags |= LL_FILE_GROUP_LOCKED|LL_FILE_IGNORE_LOCK;
1288 memcpy(&fd->fd_cwlockh, &lockh, sizeof(lockh));
1293 static int llu_put_grouplock(struct inode *inode, unsigned long arg)
1295 struct llu_inode_info *lli = llu_i2info(inode);
1296 struct ll_file_data *fd = lli->lli_file_data;
1297 struct lov_stripe_md *lsm = lli->lli_smd;
1301 if (!(fd->fd_flags & LL_FILE_GROUP_LOCKED))
1304 if (fd->fd_gid != arg)
1307 fd->fd_flags &= ~(LL_FILE_GROUP_LOCKED|LL_FILE_IGNORE_LOCK);
1309 err = llu_extent_unlock(fd, inode, lsm, LCK_GROUP, &fd->fd_cwlockh);
1314 memset(&fd->fd_cwlockh, 0, sizeof(fd->fd_cwlockh));
1319 static int llu_iop_ioctl(struct inode *ino, unsigned long int request,
1324 liblustre_wait_event(0);
1327 case LL_IOC_GROUP_LOCK:
1328 arg = va_arg(ap, unsigned long);
1329 return llu_get_grouplock(ino, arg);
1330 case LL_IOC_GROUP_UNLOCK:
1331 arg = va_arg(ap, unsigned long);
1332 return llu_put_grouplock(ino, arg);
1335 CERROR("did not support ioctl cmd %lx\n", request);
1340 * we already do syncronous read/write
1342 static int llu_iop_sync(struct inode *inode)
1344 liblustre_wait_event(0);
1348 static int llu_iop_datasync(struct inode *inode)
1350 liblustre_wait_event(0);
1354 struct filesys_ops llu_filesys_ops =
1356 fsop_gone: llu_fsop_gone,
1359 struct inode *llu_iget(struct filesys *fs, struct lustre_md *md)
1361 struct inode *inode;
1362 struct lustre_id id;
1363 struct file_identifier fileid = {&id, sizeof(id)};
1365 if ((md->body->valid &
1366 (OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE)) !=
1367 (OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE)) {
1368 CERROR("bad md body valid mask 0x"LPX64"\n",
1371 return ERR_PTR(-EPERM);
1376 /* try to find existing inode */
1377 inode = _sysio_i_find(fs, &fileid);
1379 struct llu_inode_info *lli = llu_i2info(inode);
1381 if (inode->i_zombie ||
1382 lli->lli_st_generation != id_gen(&md->body->id1)) {
1386 llu_update_inode(inode, md->body, md->lsm);
1391 inode = llu_new_inode(fs, &id);
1393 llu_update_inode(inode, md->body, md->lsm);
1399 llu_fsswop_mount(const char *source,
1401 const void *data __IS_UNUSED,
1402 struct pnode *tocover,
1403 struct mount **mntp)
1407 struct pnode_base *rootpb;
1408 struct obd_device *obd;
1409 struct lustre_id rootid;
1410 struct llu_sb_info *sbi;
1411 struct obd_statfs osfs;
1412 static struct qstr noname = { NULL, 0, 0 };
1413 struct ptlrpc_request *request = NULL;
1414 struct lustre_handle lmv_conn = {0, };
1415 struct lustre_handle lov_conn = {0, };
1416 struct lustre_md md;
1418 struct config_llog_instance cfg;
1419 struct lustre_profile *lprof;
1420 char *lov = NULL, *lmv = NULL;
1421 int async = 1, err = -EINVAL;
1425 /* allocate & initialize sbi */
1426 OBD_ALLOC(sbi, sizeof(*sbi));
1430 INIT_LIST_HEAD(&sbi->ll_conn_chain);
1431 generate_random_uuid(uuid);
1432 class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
1434 /* generate a string unique to this super, let's try
1435 the address of the super itself.*/
1436 OBD_ALLOC(sbi->ll_instance, sizeof(sbi) * 2 + 1);
1437 if (sbi->ll_instance == NULL)
1438 GOTO(out_free, err = -ENOMEM);
1439 sprintf(sbi->ll_instance, "%p", sbi);
1441 /* retrive & parse config log */
1442 cfg.cfg_instance = sbi->ll_instance;
1443 cfg.cfg_uuid = sbi->ll_sb_uuid;
1444 err = liblustre_process_log(&cfg, 1);
1446 CERROR("Unable to process log: %s\n", g_zconf_profile);
1447 GOTO(out_free, err);
1450 lprof = class_get_profile(g_zconf_profile);
1451 if (lprof == NULL) {
1452 CERROR("No profile found: %s\n", g_zconf_profile);
1453 GOTO(out_free, err = -EINVAL);
1456 OBD_FREE(lov, strlen(lov) + 1);
1457 OBD_ALLOC(lov, strlen(lprof->lp_lov) +
1458 strlen(sbi->ll_instance) + 2);
1459 sprintf(lov, "%s-%s", lprof->lp_lov, sbi->ll_instance);
1462 OBD_FREE(lmv, strlen(lmv) + 1);
1463 OBD_ALLOC(lmv, strlen(lprof->lp_lmv) +
1464 strlen(sbi->ll_instance) + 2);
1465 sprintf(lmv, "%s-%s", lprof->lp_lmv, sbi->ll_instance);
1469 GOTO(out_free, err = -EINVAL);
1473 GOTO(out_free, err = -EINVAL);
1476 fs = _sysio_fs_new(&llu_filesys_ops, flags, sbi);
1482 obd = class_name2obd(lmv);
1484 CERROR("MDC %s: not setup or attached\n", lmv);
1485 GOTO(out_free, err = -EINVAL);
1487 obd_set_info(obd->obd_self_export, strlen("async"), "async",
1488 sizeof(async), &async);
1490 if (mdc_init_ea_size(obd, osc))
1491 GOTO(out_free, err = -EINVAL);
1494 err = obd_connect(&lmv_conn, obd, &sbi->ll_sb_uuid, NULL, 0);
1496 CERROR("cannot connect to %s: rc = %d\n", lmv, err);
1497 GOTO(out_free, err);
1499 sbi->ll_md_exp = class_conn2export(&lmv_conn);
1501 err = obd_statfs(obd, &osfs, 100000000);
1506 * FIXME fill fs stat data into sbi here!!! FIXME
1510 obd = class_name2obd(lov);
1512 CERROR("OSC %s: not setup or attached\n", lov);
1513 GOTO(out_lmv, err = -EINVAL);
1515 obd_set_info(obd->obd_self_export, strlen("async"), "async",
1516 sizeof(async), &async);
1518 err = obd_connect(&lov_conn, obd, &sbi->ll_sb_uuid, NULL, 0);
1520 CERROR("cannot connect to %s: rc = %d\n", lov, err);
1523 sbi->ll_dt_exp = class_conn2export(&lov_conn);
1525 err = mdc_getstatus(sbi->ll_md_exp, &rootid);
1527 CERROR("cannot mds_connect: rc = %d\n", err);
1530 CDEBUG(D_SUPER, "rootid "LPU64"\n", rootid.li_stc.u.e3s.l3s_ino);
1531 sbi->ll_rootino = rootid.li_stc.u.e3s.l3s_ino;
1533 /* fetch attr of root inode */
1534 err = mdc_getattr(sbi->ll_md_exp, &rootid,
1535 OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, NULL, 0,
1538 CERROR("mdc_getattr failed for root: rc = %d\n", err);
1542 err = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
1543 sbi->ll_dt_exp, &md);
1545 CERROR("failed to understand root inode md: rc = %d\n",err);
1546 GOTO(out_request, err);
1549 LASSERT(sbi->ll_rootino != 0);
1551 root = llu_iget(fs, &md);
1552 if (!root || IS_ERR(root)) {
1553 CERROR("fail to generate root inode\n");
1554 GOTO(out_request, err = -EBADF);
1558 * Generate base path-node for root.
1560 rootpb = _sysio_pb_new(&noname, NULL, root);
1566 err = _sysio_do_mount(fs, rootpb, flags, tocover, mntp);
1568 _sysio_pb_gone(rootpb);
1572 ptlrpc_req_finished(request);
1574 printf("LibLustre: namespace mounted successfully!\n");
1579 _sysio_i_gone(root);
1581 ptlrpc_req_finished(request);
1583 obd_disconnect(sbi->ll_dt_exp, 0);
1585 obd_disconnect(sbi->ll_md_exp, 0);
1587 OBD_FREE(sbi, sizeof(*sbi));
1591 struct fssw_ops llu_fssw_ops = {
1595 struct inode_ops llu_inode_ops = {
1596 .inop_lookup = llu_iop_lookup,
1597 .inop_getattr = llu_iop_getattr,
1598 .inop_setattr = llu_iop_setattr,
1599 .inop_getdirentries = llu_iop_getdirentries,
1600 .inop_mkdir = llu_iop_mkdir_raw,
1601 .inop_rmdir = llu_iop_rmdir_raw,
1602 .inop_symlink = llu_iop_symlink_raw,
1603 .inop_readlink = llu_iop_readlink,
1604 .inop_open = llu_iop_open,
1605 .inop_close = llu_iop_close,
1606 .inop_link = llu_iop_link_raw,
1607 .inop_unlink = llu_iop_unlink_raw,
1608 .inop_rename = llu_iop_rename_raw,
1609 .inop_iodone = llu_iop_iodone,
1610 .inop_fcntl = llu_iop_fcntl,
1611 .inop_sync = llu_iop_sync,
1612 .inop_read = llu_iop_read,
1613 .inop_write = llu_iop_write,
1614 .inop_datasync = llu_iop_datasync,
1615 .inop_ioctl = llu_iop_ioctl,
1616 .inop_mknod = llu_iop_mknod_raw,
1617 #ifdef _HAVE_STATVFS
1618 .inop_statvfs = llu_iop_statvfs,
1620 .inop_gone = llu_iop_gone,