/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Lustre Light Super operations
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (c) 2002-2004 Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011 Whamcloud, Inc.
+ *
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/liblustre/super.c
+ *
+ * Lustre Light Super operations
*/
#define DEBUG_SUBSYSTEM S_LLITE
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/fcntl.h>
+#include <fcntl.h>
#include <sys/queue.h>
-
#ifndef __CYGWIN__
# include <sys/statvfs.h>
#else
# include <sys/statfs.h>
#endif
-#include <fs.h>
-#include <sysio.h>
-#include <mount.h>
-#include <inode.h>
-#include <file.h>
-
-#undef LIST_HEAD
#include "llite_lib.h"
#ifndef MAY_EXEC
-# define MAY_EXEC 1
-# define MAY_WRITE 2
-# define MAY_READ 4
+#define MAY_EXEC 1
+#define MAY_WRITE 2
+#define MAY_READ 4
#endif
#define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
static int ll_permission(struct inode *inode, int mask)
{
- struct llu_inode_info *lli = llu_i2info(inode);
- mode_t mode = lli->lli_st_mode;
+ struct intnl_stat *st = llu_i2stat(inode);
+ mode_t mode = st->st_mode;
- if (current->fsuid == lli->lli_st_uid)
+ if (current->fsuid == st->st_uid)
mode >>= 6;
- else if (in_group_p(lli->lli_st_gid))
+ else if (cfs_curproc_is_in_groups(st->st_gid))
mode >>= 3;
if ((mode & mask & (MAY_READ|MAY_WRITE|MAY_EXEC)) == mask)
return 0;
if ((mask & (MAY_READ|MAY_WRITE)) ||
- (lli->lli_st_mode & S_IXUGO))
- if (capable(CAP_DAC_OVERRIDE))
+ (st->st_mode & S_IXUGO))
+ if (cfs_capable(CFS_CAP_DAC_OVERRIDE))
return 0;
if (mask == MAY_READ ||
- (S_ISDIR(lli->lli_st_mode) && !(mask & MAY_WRITE))) {
- if (capable(CAP_DAC_READ_SEARCH))
+ (S_ISDIR(st->st_mode) && !(mask & MAY_WRITE))) {
+ if (cfs_capable(CFS_CAP_DAC_READ_SEARCH))
return 0;
}
{
struct llu_sb_info *sbi = (struct llu_sb_info *) fs->fs_private;
struct obd_device *obd = class_exp2obd(sbi->ll_md_exp);
- struct lustre_cfg lcfg;
int next = 0;
ENTRY;
- list_del(&sbi->ll_conn_chain);
- obd_disconnect(sbi->ll_dt_exp, 0);
- obd_disconnect(sbi->ll_md_exp, 0);
+ cfs_list_del(&sbi->ll_conn_chain);
+ cl_sb_fini(sbi);
+ obd_disconnect(sbi->ll_dt_exp);
+ obd_disconnect(sbi->ll_md_exp);
while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
- {
- int err;
-
- LCFG_INIT(lcfg, LCFG_CLEANUP, obd->obd_name);
- err = class_process_config(&lcfg);
- if (err) {
- CERROR("cleanup failed: %s\n", obd->obd_name);
- }
-
- LCFG_INIT(lcfg, LCFG_DETACH, obd->obd_name);
- err = class_process_config(&lcfg);
- if (err) {
- CERROR("detach failed: %s\n", obd->obd_name);
- }
- }
+ class_manual_cleanup(obd);
- obd_disconnect(sbi->ll_md_exp, 0);
OBD_FREE(sbi, sizeof(*sbi));
+
+ liblustre_wait_idle();
EXIT;
}
-struct inode_ops llu_inode_ops;
+static struct inode_ops llu_inode_ops;
-void llu_update_inode(struct inode *inode, struct mds_body *body,
- struct lov_stripe_md *lsm)
+static ldlm_mode_t llu_take_md_lock(struct inode *inode, __u64 bits,
+ struct lustre_handle *lockh)
+{
+ ldlm_policy_data_t policy = { .l_inodebits = {bits}};
+ struct lu_fid *fid;
+ ldlm_mode_t rc;
+ int flags;
+ ENTRY;
+
+ fid = &llu_i2info(inode)->lli_fid;
+ CDEBUG(D_INFO, "trying to match res "DFID"\n", PFID(fid));
+
+ flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING;
+ rc = md_lock_match(llu_i2mdexp(inode), flags, fid, LDLM_IBITS, &policy,
+ LCK_CR|LCK_CW|LCK_PR|LCK_PW, lockh);
+ RETURN(rc);
+}
+
+void llu_update_inode(struct inode *inode, struct lustre_md *md)
{
struct llu_inode_info *lli = llu_i2info(inode);
+ struct mdt_body *body = md->body;
+ struct lov_stripe_md *lsm = md->lsm;
+ struct intnl_stat *st = llu_i2stat(inode);
LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+
+ if (body->valid & OBD_MD_FLMODE)
+ st->st_mode = (st->st_mode & S_IFMT)|(body->mode & ~S_IFMT);
+ if (body->valid & OBD_MD_FLTYPE)
+ st->st_mode = (st->st_mode & ~S_IFMT)|(body->mode & S_IFMT);
+
if (lsm != NULL) {
if (lli->lli_smd == NULL) {
+ cl_inode_init(inode, md);
lli->lli_smd = lsm;
lli->lli_maxbytes = lsm->lsm_maxbytes;
if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
} else {
- if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) {
- CERROR("lsm mismatch for inode %ld\n",
- lli->lli_st_ino);
+ if (lov_stripe_md_cmp(lli->lli_smd, lsm)) {
+ CERROR("lsm mismatch for inode %lld\n",
+ (long long)st->st_ino);
LBUG();
}
}
}
- id_assign_fid(&lli->lli_id, &body->id1);
-
- if ((body->valid & OBD_MD_FLID) || (body->valid & OBD_MD_FLGENER))
- id_assign_stc(&lli->lli_id, &body->id1);
- if (body->valid & OBD_MD_FLID)
- lli->lli_st_ino = id_ino(&body->id1);
- if (body->valid & OBD_MD_FLGENER)
- lli->lli_st_generation = id_gen(&body->id1);
-
- if (body->valid & OBD_MD_FLATIME)
- LTIME_S(lli->lli_st_atime) = body->atime;
- if (body->valid & OBD_MD_FLMTIME)
- LTIME_S(lli->lli_st_mtime) = body->mtime;
- if (body->valid & OBD_MD_FLCTIME)
- LTIME_S(lli->lli_st_ctime) = body->ctime;
- if (body->valid & OBD_MD_FLMODE)
- lli->lli_st_mode = (lli->lli_st_mode & S_IFMT)|(body->mode & ~S_IFMT);
- if (body->valid & OBD_MD_FLTYPE)
- lli->lli_st_mode = (lli->lli_st_mode & ~S_IFMT)|(body->mode & S_IFMT);
+ if (body->valid & OBD_MD_FLATIME) {
+ if (body->atime > LTIME_S(st->st_atime))
+ LTIME_S(st->st_atime) = body->atime;
+ lli->lli_lvb.lvb_atime = body->atime;
+ }
+ if (body->valid & OBD_MD_FLMTIME) {
+ if (body->mtime > LTIME_S(st->st_mtime))
+ LTIME_S(st->st_mtime) = body->mtime;
+ lli->lli_lvb.lvb_mtime = body->mtime;
+ }
+ if (body->valid & OBD_MD_FLCTIME) {
+ if (body->ctime > LTIME_S(st->st_ctime))
+ LTIME_S(st->st_ctime) = body->ctime;
+ lli->lli_lvb.lvb_ctime = body->ctime;
+ }
+ if (S_ISREG(st->st_mode))
+ st->st_blksize = min(2UL * PTLRPC_MAX_BRW_SIZE, LL_MAX_BLKSIZE);
+ else
+ st->st_blksize = 4096;
if (body->valid & OBD_MD_FLUID)
- lli->lli_st_uid = body->uid;
+ st->st_uid = body->uid;
if (body->valid & OBD_MD_FLGID)
- lli->lli_st_gid = body->gid;
- if (body->valid & OBD_MD_FLFLAGS)
- lli->lli_st_flags = body->flags;
+ st->st_gid = body->gid;
if (body->valid & OBD_MD_FLNLINK)
- lli->lli_st_nlink = body->nlink;
+ st->st_nlink = body->nlink;
if (body->valid & OBD_MD_FLRDEV)
- lli->lli_st_rdev = body->rdev;
- if (body->valid & OBD_MD_FLSIZE)
- lli->lli_st_size = body->size;
- if (body->valid & OBD_MD_FLBLOCKS)
- lli->lli_st_blocks = body->blocks;
+ st->st_rdev = body->rdev;
+ if (body->valid & OBD_MD_FLFLAGS)
+ lli->lli_st_flags = body->flags;
+ if (body->valid & OBD_MD_FLSIZE) {
+ if ((llu_i2sbi(inode)->ll_lco.lco_flags & OBD_CONNECT_SOM) &&
+ S_ISREG(st->st_mode) && lli->lli_smd) {
+ struct lustre_handle lockh;
+ ldlm_mode_t mode;
+
+ /* As it is possible a blocking ast has been processed
+ * by this time, we need to check there is an UPDATE
+ * lock on the client and set LLIF_MDS_SIZE_LOCK holding
+ * it. */
+ mode = llu_take_md_lock(inode, MDS_INODELOCK_UPDATE,
+ &lockh);
+ if (mode) {
+ st->st_size = body->size;
+ lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
+ ldlm_lock_decref(&lockh, mode);
+ }
+ } else {
+ st->st_size = body->size;
+ }
+
+ if (body->valid & OBD_MD_FLBLOCKS)
+ st->st_blocks = body->blocks;
+ }
}
-void obdo_to_inode(struct inode *dst, struct obdo *src, obd_valid valid)
+void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid)
{
struct llu_inode_info *lli = llu_i2info(dst);
+ struct intnl_stat *st = llu_i2stat(dst);
valid &= src->o_valid;
+ LASSERTF(!(valid & (OBD_MD_FLTYPE | OBD_MD_FLGENER | OBD_MD_FLFID |
+ OBD_MD_FLID | OBD_MD_FLGROUP)),
+ "object "LPU64"/"LPU64", valid %x\n",
+ src->o_id, src->o_seq, valid);
+
if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
- CDEBUG(D_INODE, "valid %x, cur time %lu/%lu, new %lu/%lu\n",
- src->o_valid,
- LTIME_S(lli->lli_st_mtime), LTIME_S(lli->lli_st_ctime),
+ CDEBUG(D_INODE,"valid "LPX64", cur time "CFS_TIME_T"/"CFS_TIME_T
+ ", new %lu/%lu\n",
+ src->o_valid,
+ LTIME_S(st->st_mtime), LTIME_S(st->st_ctime),
(long)src->o_mtime, (long)src->o_ctime);
if (valid & OBD_MD_FLATIME)
- LTIME_S(lli->lli_st_atime) = src->o_atime;
+ LTIME_S(st->st_atime) = src->o_atime;
if (valid & OBD_MD_FLMTIME)
- LTIME_S(lli->lli_st_mtime) = src->o_mtime;
- if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(lli->lli_st_ctime))
- LTIME_S(lli->lli_st_ctime) = src->o_ctime;
+ LTIME_S(st->st_mtime) = src->o_mtime;
+ if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(st->st_ctime))
+ LTIME_S(st->st_ctime) = src->o_ctime;
if (valid & OBD_MD_FLSIZE)
- lli->lli_st_size = src->o_size;
+ st->st_size = src->o_size;
if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
- lli->lli_st_blocks = src->o_blocks;
+ st->st_blocks = src->o_blocks;
if (valid & OBD_MD_FLBLKSZ)
- lli->lli_st_blksize = src->o_blksize;
+ st->st_blksize = src->o_blksize;
if (valid & OBD_MD_FLTYPE)
- lli->lli_st_mode = (lli->lli_st_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+ st->st_mode = (st->st_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
if (valid & OBD_MD_FLMODE)
- lli->lli_st_mode = (lli->lli_st_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
+ st->st_mode = (st->st_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
if (valid & OBD_MD_FLUID)
- lli->lli_st_uid = src->o_uid;
+ st->st_uid = src->o_uid;
if (valid & OBD_MD_FLGID)
- lli->lli_st_gid = src->o_gid;
+ st->st_gid = src->o_gid;
if (valid & OBD_MD_FLFLAGS)
lli->lli_st_flags = src->o_flags;
- if (valid & OBD_MD_FLGENER)
- lli->lli_st_generation = src->o_generation;
-}
-
-#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
-#define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
-
-void obdo_from_inode(struct obdo *dst, struct inode *src, obd_valid valid)
-{
- struct llu_inode_info *lli = llu_i2info(src);
- obd_valid newvalid = 0;
-
- if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
- CDEBUG(D_INODE, "valid %x, new time %lu/%lu\n",
- valid, LTIME_S(lli->lli_st_mtime),
- LTIME_S(lli->lli_st_ctime));
-
- if (valid & OBD_MD_FLATIME) {
- dst->o_atime = LTIME_S(lli->lli_st_atime);
- newvalid |= OBD_MD_FLATIME;
- }
- if (valid & OBD_MD_FLMTIME) {
- dst->o_mtime = LTIME_S(lli->lli_st_mtime);
- newvalid |= OBD_MD_FLMTIME;
- }
- if (valid & OBD_MD_FLCTIME) {
- dst->o_ctime = LTIME_S(lli->lli_st_ctime);
- newvalid |= OBD_MD_FLCTIME;
- }
- if (valid & OBD_MD_FLSIZE) {
- dst->o_size = lli->lli_st_size;
- newvalid |= OBD_MD_FLSIZE;
- }
- if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
- dst->o_blocks = lli->lli_st_blocks;
- newvalid |= OBD_MD_FLBLOCKS;
- }
- if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
- dst->o_blksize = lli->lli_st_blksize;
- newvalid |= OBD_MD_FLBLKSZ;
- }
- if (valid & OBD_MD_FLTYPE) {
- dst->o_mode = (dst->o_mode & S_IALLUGO)|(lli->lli_st_mode & S_IFMT);
- newvalid |= OBD_MD_FLTYPE;
- }
- if (valid & OBD_MD_FLMODE) {
- dst->o_mode = (dst->o_mode & S_IFMT)|(lli->lli_st_mode & S_IALLUGO);
- newvalid |= OBD_MD_FLMODE;
- }
- if (valid & OBD_MD_FLUID) {
- dst->o_uid = lli->lli_st_uid;
- newvalid |= OBD_MD_FLUID;
- }
- if (valid & OBD_MD_FLGID) {
- dst->o_gid = lli->lli_st_gid;
- newvalid |= OBD_MD_FLGID;
- }
- if (valid & OBD_MD_FLFLAGS) {
- dst->o_flags = lli->lli_st_flags;
- newvalid |= OBD_MD_FLFLAGS;
- }
- if (valid & OBD_MD_FLGENER) {
- dst->o_generation = lli->lli_st_generation;
- newvalid |= OBD_MD_FLGENER;
- }
-
- dst->o_valid |= newvalid;
}
-/*
- * really does the getattr on the inode and updates its fields
+/**
+ * Performs the getattr on the inode and updates its fields.
+ * If @sync != 0, perform the getattr under the server-side lock.
*/
-int llu_inode_getattr(struct inode *inode, struct lov_stripe_md *lsm)
+int llu_inode_getattr(struct inode *inode, struct obdo *obdo,
+ __u64 ioepoch, int sync)
{
struct llu_inode_info *lli = llu_i2info(inode);
- struct obd_export *exp = llu_i2dtexp(inode);
struct ptlrpc_request_set *set;
- struct obdo oa;
- obd_valid refresh_valid;
+ struct lov_stripe_md *lsm = lli->lli_smd;
+ struct obd_info oinfo = { { { 0 } } };
int rc;
ENTRY;
LASSERT(lsm);
- LASSERT(lli);
- memset(&oa, 0, sizeof oa);
- oa.o_id = lsm->lsm_object_id;
- oa.o_mode = S_IFREG;
- oa.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLSIZE |
- OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ | OBD_MD_FLMTIME |
- OBD_MD_FLCTIME;
+ oinfo.oi_md = lsm;
+ oinfo.oi_oa = obdo;
+ oinfo.oi_oa->o_id = lsm->lsm_object_id;
+ oinfo.oi_oa->o_seq = lsm->lsm_object_seq;
+ oinfo.oi_oa->o_mode = S_IFREG;
+ oinfo.oi_oa->o_ioepoch = ioepoch;
+ oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
+ OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
+ OBD_MD_FLBLKSZ | OBD_MD_FLMTIME |
+ OBD_MD_FLCTIME | OBD_MD_FLGROUP |
+ OBD_MD_FLATIME | OBD_MD_FLEPOCH;
+ obdo_from_inode(oinfo.oi_oa, NULL, &llu_i2info(inode)->lli_fid, 0);
+ if (sync) {
+ oinfo.oi_oa->o_valid |= OBD_MD_FLFLAGS;
+ oinfo.oi_oa->o_flags |= OBD_FL_SRVLOCK;
+ }
set = ptlrpc_prep_set();
if (set == NULL) {
CERROR ("ENOMEM allocing request set\n");
rc = -ENOMEM;
} else {
- rc = obd_getattr_async(exp, &oa, lsm, set);
+ rc = obd_getattr_async(llu_i2obdexp(inode), &oinfo, set);
if (rc == 0)
rc = ptlrpc_set_wait(set);
ptlrpc_set_destroy(set);
if (rc)
RETURN(rc);
- refresh_valid = OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ | OBD_MD_FLMTIME |
- OBD_MD_FLCTIME | OBD_MD_FLSIZE;
-
- /* We set this flag in commit write as we extend the file size. When
- * the bit is set and the lock is canceled that covers the file size,
- * we clear the bit. This is enough to protect the window where our
- * local size extension is needed for writeback. However, it relies on
- * behaviour that won't be true in the near future. This assumes that
- * all getattr callers get extent locks, which they currnetly do. It
- * also assumes that we only send discarding asts for {0,eof} truncates
- * as is currently the case. This will have to be replaced by the
- * proper eoc communication between clients and the ost, which is on
- * its way. */
- if (test_bit(LLI_F_PREFER_EXTENDED_SIZE, &lli->lli_flags)) {
- if (oa.o_size < lli->lli_st_size)
- refresh_valid &= ~OBD_MD_FLSIZE;
- else
- clear_bit(LLI_F_PREFER_EXTENDED_SIZE, &lli->lli_flags);
- }
-
- obdo_refresh_inode(inode, &oa, refresh_valid);
+ oinfo.oi_oa->o_valid = OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ |
+ OBD_MD_FLMTIME | OBD_MD_FLCTIME |
+ OBD_MD_FLSIZE;
+ obdo_refresh_inode(inode, oinfo.oi_oa, oinfo.oi_oa->o_valid);
+ CDEBUG(D_INODE, "objid "LPX64" size %Lu, blocks %Lu, "
+ "blksize %Lu\n", lli->lli_smd->lsm_object_id,
+ (long long unsigned)llu_i2stat(inode)->st_size,
+ (long long unsigned)llu_i2stat(inode)->st_blocks,
+ (long long unsigned)llu_i2stat(inode)->st_blksize);
RETURN(0);
}
static struct inode* llu_new_inode(struct filesys *fs,
- struct lustre_id *id)
+ struct lu_fid *fid)
{
- struct inode *inode;
+ struct inode *inode;
struct llu_inode_info *lli;
+ struct intnl_stat st = {
+ .st_dev = 0,
+#if 0
+#ifndef AUTOMOUNT_FILE_NAME
+ .st_mode = fid->f_type & S_IFMT,
+#else
+ .st_mode = fid->f_type /* all of the bits! */
+#endif
+#endif
+ /* FIXME: fix this later */
+ .st_mode = 0,
+
+ .st_uid = geteuid(),
+ .st_gid = getegid(),
+ };
OBD_ALLOC(lli, sizeof(*lli));
if (!lli)
lli->lli_maxbytes = (__u64)(~0UL);
lli->lli_file_data = NULL;
- lli->lli_sysio_fid.fid_data = &lli->lli_id;
- lli->lli_sysio_fid.fid_len = sizeof(lli->lli_id);
-
- memcpy(&lli->lli_id, id, sizeof(*id));
+ lli->lli_sysio_fid.fid_data = &lli->lli_fid;
+ lli->lli_sysio_fid.fid_len = sizeof(lli->lli_fid);
+ lli->lli_fid = *fid;
/* file identifier is needed by functions like _sysio_i_find() */
- inode = _sysio_i_new(fs, &lli->lli_sysio_fid,
-#ifndef AUTOMOUNT_FILE_NAME
- id->li_stc.u.e3s.l3s_type & S_IFMT,
-#else
- id->li_stc.u.e3s.l3s_type, /* all of the bits! */
-#endif
- 0, 0,
- &llu_inode_ops, lli);
+ inode = _sysio_i_new(fs, &lli->lli_sysio_fid,
+ &st, 0, &llu_inode_ops, lli);
- if (!inode)
- OBD_FREE(lli, sizeof(*lli));
+ if (!inode)
+ OBD_FREE(lli, sizeof(*lli));
return inode;
}
static int llu_have_md_lock(struct inode *inode, __u64 lockpart)
{
- struct llu_sb_info *sbi = llu_i2sbi(inode);
- struct llu_inode_info *lli = llu_i2info(inode);
struct lustre_handle lockh;
- struct ldlm_res_id res_id = { .name = {0} };
- struct obd_device *obddev;
ldlm_policy_data_t policy = { .l_inodebits = { lockpart } };
+ struct lu_fid *fid;
int flags;
ENTRY;
LASSERT(inode);
- obddev = sbi->ll_md_exp->exp_obd;
- res_id.name[0] = id_fid(&lli->lli_id);
- res_id.name[1] = id_group(&lli->lli_id);
-
- CDEBUG(D_INFO, "trying to match res "LPU64"\n", res_id.name[0]);
+ fid = &llu_i2info(inode)->lli_fid;
+ CDEBUG(D_INFO, "trying to match res "DFID"\n", PFID(fid));
- /* FIXME use LDLM_FL_TEST_LOCK instead */
- flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING;
- if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_IBITS,
- &policy, LCK_PR, &lockh)) {
- ldlm_lock_decref(&lockh, LCK_PR);
- RETURN(1);
- }
-
- if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_IBITS,
- &policy, LCK_PW, &lockh)) {
- ldlm_lock_decref(&lockh, LCK_PW);
+ flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING | LDLM_FL_TEST_LOCK;
+ if (md_lock_match(llu_i2mdexp(inode), flags, fid, LDLM_IBITS, &policy,
+ LCK_CR|LCK_CW|LCK_PR|LCK_PW, &lockh)) {
RETURN(1);
}
RETURN(0);
static int llu_inode_revalidate(struct inode *inode)
{
struct llu_inode_info *lli = llu_i2info(inode);
- struct lov_stripe_md *lsm = NULL;
+ struct intnl_stat *st = llu_i2stat(inode);
ENTRY;
if (!inode) {
struct lustre_md md;
struct ptlrpc_request *req = NULL;
struct llu_sb_info *sbi = llu_i2sbi(inode);
- struct lustre_id id;
- __u64 valid = 0;
+ struct md_op_data op_data = { { 0 } };
+ unsigned long valid = OBD_MD_FLGETATTR;
int rc, ealen = 0;
- /* Why don't we update all valid MDS fields here, if we're doing
- * an RPC anyways? -phil */
- if (S_ISREG(lli->lli_st_mode)) {
+ /* Why don't we update all valid MDS fields here, if we're
+ * doing an RPC anyways? -phil */
+ if (S_ISREG(st->st_mode)) {
ealen = obd_size_diskmd(sbi->ll_dt_exp, NULL);
valid |= OBD_MD_FLEASIZE;
}
- ll_inode2id(&id, inode);
- rc = mdc_getattr(sbi->ll_md_exp, &id, valid, ealen, &req);
+
+ llu_prep_md_op_data(&op_data, inode, NULL, NULL, 0, ealen,
+ LUSTRE_OPC_ANY);
+ op_data.op_valid = valid;
+
+ rc = md_getattr(sbi->ll_md_exp, &op_data, &req);
if (rc) {
- CERROR("failure %d inode %lu\n", rc, lli->lli_st_ino);
+ CERROR("failure %d inode %llu\n", rc,
+ (long long)st->st_ino);
RETURN(-abs(rc));
}
- rc = mdc_req2lustre_md(sbi->ll_md_exp, req, 0,
- sbi->ll_dt_exp, &md);
+ rc = md_get_lustre_md(sbi->ll_md_exp, req,
+ sbi->ll_dt_exp, sbi->ll_md_exp, &md);
/* XXX Too paranoid? */
if (((md.body->valid ^ valid) & OBD_MD_FLEASIZE) &&
}
- llu_update_inode(inode, md.body, md.lsm);
- if (md.lsm != NULL && llu_i2info(inode)->lli_smd != md.lsm)
+ llu_update_inode(inode, &md);
+ if (md.lsm != NULL && lli->lli_smd != md.lsm)
obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
-
- if (md.body->valid & OBD_MD_FLSIZE)
- set_bit(LLI_F_HAVE_MDS_SIZE_LOCK,
- &llu_i2info(inode)->lli_flags);
ptlrpc_req_finished(req);
}
- lsm = llu_i2info(inode)->lli_smd;
- if (!lsm) /* object not yet allocated, don't validate size */
+ if (!lli->lli_smd) {
+ /* object not yet allocated, don't validate size */
+ st->st_atime = lli->lli_lvb.lvb_atime;
+ st->st_mtime = lli->lli_lvb.lvb_mtime;
+ st->st_ctime = lli->lli_lvb.lvb_ctime;
RETURN(0);
+ }
/* ll_glimpse_size will prefer locally cached writes if they extend
* the file */
- RETURN(llu_glimpse_size(inode));
+ RETURN(cl_glimpse_size(inode));
}
static void copy_stat_buf(struct inode *ino, struct intnl_stat *b)
{
- struct llu_inode_info *lli = llu_i2info(ino);
-
- b->st_dev = lli->lli_st_dev;
- b->st_ino = lli->lli_st_ino;
- b->st_mode = lli->lli_st_mode;
- b->st_nlink = lli->lli_st_nlink;
- b->st_uid = lli->lli_st_uid;
- b->st_gid = lli->lli_st_gid;
- b->st_rdev = lli->lli_st_rdev;
- b->st_size = lli->lli_st_size;
- b->st_blksize = lli->lli_st_blksize;
- b->st_blocks = lli->lli_st_blocks;
- b->st_atime = lli->lli_st_atime;
- b->st_mtime = lli->lli_st_mtime;
- b->st_ctime = lli->lli_st_ctime;
+ *b = *llu_i2stat(ino);
}
static int llu_iop_getattr(struct pnode *pno,
LASSERT(!llu_i2info(ino)->lli_it);
}
+ liblustre_wait_event(0);
RETURN(rc);
}
void llu_clear_inode(struct inode *inode)
{
- struct lustre_id id;
struct llu_inode_info *lli = llu_i2info(inode);
struct llu_sb_info *sbi = llu_i2sbi(inode);
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%lu(%p)\n", lli->lli_st_ino,
- lli->lli_st_generation, inode);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu/%lu(%p)\n",
+ (long long)llu_i2stat(inode)->st_ino, lli->lli_st_generation,
+ inode);
- ll_inode2id(&id, inode);
- clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(lli->lli_flags));
- mdc_change_cbdata(sbi->ll_md_exp, &id, null_if_equal, inode);
+ lli->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
+ md_change_cbdata(sbi->ll_md_exp, ll_inode2fid(inode),
+ null_if_equal, inode);
if (lli->lli_smd)
obd_change_cbdata(sbi->ll_dt_exp, lli->lli_smd,
null_if_equal, inode);
+ cl_inode_fini(inode);
+
if (lli->lli_smd) {
obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
lli->lli_smd = NULL;
static int inode_setattr(struct inode * inode, struct iattr * attr)
{
unsigned int ia_valid = attr->ia_valid;
- struct llu_inode_info *lli = llu_i2info(inode);
+ struct intnl_stat *st = llu_i2stat(inode);
int error = 0;
- if (ia_valid & ATTR_SIZE) {
- error = llu_vmtruncate(inode, attr->ia_size);
- if (error)
- goto out;
- }
+ /*
+ * inode_setattr() is only ever invoked with ATTR_SIZE (by
+ * llu_setattr_raw()) when file has no bodies. Check this.
+ */
+ LASSERT(ergo(ia_valid & ATTR_SIZE, llu_i2info(inode)->lli_smd == NULL));
+ if (ia_valid & ATTR_SIZE)
+ st->st_size = attr->ia_size;
if (ia_valid & ATTR_UID)
- lli->lli_st_uid = attr->ia_uid;
+ st->st_uid = attr->ia_uid;
if (ia_valid & ATTR_GID)
- lli->lli_st_gid = attr->ia_gid;
+ st->st_gid = attr->ia_gid;
if (ia_valid & ATTR_ATIME)
- lli->lli_st_atime = attr->ia_atime;
+ st->st_atime = attr->ia_atime;
if (ia_valid & ATTR_MTIME)
- lli->lli_st_mtime = attr->ia_mtime;
+ st->st_mtime = attr->ia_mtime;
if (ia_valid & ATTR_CTIME)
- lli->lli_st_ctime = attr->ia_ctime;
+ st->st_ctime = attr->ia_ctime;
if (ia_valid & ATTR_MODE) {
- lli->lli_st_mode = attr->ia_mode;
- if (!in_group_p(lli->lli_st_gid) && !capable(CAP_FSETID))
- lli->lli_st_mode &= ~S_ISGID;
+ st->st_mode = attr->ia_mode;
+ if (!cfs_curproc_is_in_groups(st->st_gid) &&
+ !cfs_capable(CFS_CAP_FSETID))
+ st->st_mode &= ~S_ISGID;
}
/* mark_inode_dirty(inode); */
-out:
return error;
}
+int llu_md_setattr(struct inode *inode, struct md_op_data *op_data,
+ struct md_open_data **mod)
+{
+ struct lustre_md md;
+ struct llu_sb_info *sbi = llu_i2sbi(inode);
+ struct ptlrpc_request *request = NULL;
+ int rc;
+ ENTRY;
+
+ llu_prep_md_op_data(op_data, inode, NULL, NULL, 0, 0, LUSTRE_OPC_ANY);
+ rc = md_setattr(sbi->ll_md_exp, op_data, NULL, 0, NULL,
+ 0, &request, mod);
+
+ if (rc) {
+ ptlrpc_req_finished(request);
+ if (rc != -EPERM && rc != -EACCES)
+ CERROR("md_setattr fails: rc = %d\n", rc);
+ RETURN(rc);
+ }
+
+ rc = md_get_lustre_md(sbi->ll_md_exp, request,
+ sbi->ll_dt_exp, sbi->ll_md_exp, &md);
+ if (rc) {
+ ptlrpc_req_finished(request);
+ RETURN(rc);
+ }
+
+ /* We call inode_setattr to adjust timestamps.
+ * If there is at least some data in file, we cleared ATTR_SIZE
+ * above to avoid invoking vmtruncate, otherwise it is important
+ * to call vmtruncate in inode_setattr to update inode->i_size
+ * (bug 6196) */
+ inode_setattr(inode, &op_data->op_attr);
+ llu_update_inode(inode, &md);
+ ptlrpc_req_finished(request);
+
+ RETURN(rc);
+}
+
+/* Close IO epoch and send Size-on-MDS attribute update. */
+static int llu_setattr_done_writing(struct inode *inode,
+ struct md_op_data *op_data,
+ struct md_open_data *mod)
+{
+ struct llu_inode_info *lli = llu_i2info(inode);
+ struct intnl_stat *st = llu_i2stat(inode);
+ int rc = 0;
+ ENTRY;
+
+ LASSERT(op_data != NULL);
+ if (!S_ISREG(st->st_mode))
+ RETURN(0);
+
+ /* XXX: pass och here for the recovery purpose. */
+ CDEBUG(D_INODE, "Epoch "LPU64" closed on "DFID" for truncate\n",
+ op_data->op_ioepoch, PFID(&lli->lli_fid));
+
+ op_data->op_flags = MF_EPOCH_CLOSE;
+ llu_done_writing_attr(inode, op_data);
+ llu_pack_inode2opdata(inode, op_data, NULL);
+
+ rc = md_done_writing(llu_i2sbi(inode)->ll_md_exp, op_data, mod);
+ if (rc == -EAGAIN) {
+ /* MDS has instructed us to obtain Size-on-MDS attribute
+ * from OSTs and send setattr to back to MDS. */
+ rc = llu_som_update(inode, op_data);
+ } else if (rc) {
+ CERROR("inode %llu mdc truncate failed: rc = %d\n",
+ (unsigned long long)st->st_ino, rc);
+ }
+ RETURN(rc);
+}
+
/* If this inode has objects allocated to it (lsm != NULL), then the OST
* object(s) determine the file size and mtime. Otherwise, the MDS will
* keep these values until such a time that objects are allocated for it.
int llu_setattr_raw(struct inode *inode, struct iattr *attr)
{
struct lov_stripe_md *lsm = llu_i2info(inode)->lli_smd;
- struct llu_sb_info *sbi = llu_i2sbi(inode);
- struct llu_inode_info *lli = llu_i2info(inode);
- struct ptlrpc_request *request = NULL;
- struct mdc_op_data op_data;
+ struct intnl_stat *st = llu_i2stat(inode);
int ia_valid = attr->ia_valid;
- int rc = 0;
+ struct md_op_data op_data = { { 0 } };
+ struct md_open_data *mod = NULL;
+ int rc = 0, rc1 = 0;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", lli->lli_st_ino);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu\n", (long long)st->st_ino);
if (ia_valid & ATTR_SIZE) {
if (attr->ia_size > ll_file_maxbytes(inode)) {
CDEBUG(D_INODE, "file too large %llu > "LPU64"\n",
- attr->ia_size, ll_file_maxbytes(inode));
+ (long long)attr->ia_size,
+ ll_file_maxbytes(inode));
RETURN(-EFBIG);
}
/* We mark all of the fields "set" so MDS/OST does not re-set them */
if (attr->ia_valid & ATTR_CTIME) {
- attr->ia_ctime = CURRENT_TIME;
+ attr->ia_ctime = CFS_CURRENT_TIME;
attr->ia_valid |= ATTR_CTIME_SET;
}
if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) {
- attr->ia_atime = CURRENT_TIME;
+ attr->ia_atime = CFS_CURRENT_TIME;
attr->ia_valid |= ATTR_ATIME_SET;
}
if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
- attr->ia_mtime = CURRENT_TIME;
+ attr->ia_mtime = CFS_CURRENT_TIME;
attr->ia_valid |= ATTR_MTIME_SET;
}
if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
- CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
+ CDEBUG(D_INODE, "setting mtime "CFS_TIME_T", ctime "CFS_TIME_T
+ ", now = "CFS_TIME_T"\n",
LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
- LTIME_S(CURRENT_TIME));
+ LTIME_S(CFS_CURRENT_TIME));
+
+ /* NB: ATTR_SIZE will only be set after this point if the size
+ * resides on the MDS, ie, this file has no objects. */
if (lsm)
attr->ia_valid &= ~ATTR_SIZE;
/* If only OST attributes being set on objects, don't do MDS RPC.
* In that case, we need to check permissions and update the local
* inode ourselves so we can call obdo_from_inode() always. */
- if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN | ATTR_RAW) : ~0)) {
- struct lustre_md md;
- llu_prepare_mdc_data(&op_data, inode, NULL, NULL, 0, 0);
-
- rc = mdc_setattr(sbi->ll_md_exp, &op_data,
- attr, NULL, 0, NULL, 0, &request);
-
- if (rc) {
- ptlrpc_req_finished(request);
- if (rc != -EPERM && rc != -EACCES)
- CERROR("mdc_setattr fails: rc = %d\n", rc);
- RETURN(rc);
- }
-
- rc = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
- sbi->ll_dt_exp, &md);
- if (rc) {
- ptlrpc_req_finished(request);
+ if (ia_valid & (lsm ? ~(ATTR_FROM_OPEN | ATTR_RAW) : ~0)) {
+ memcpy(&op_data.op_attr, attr, sizeof(*attr));
+
+ /* Open epoch for truncate. */
+ if (exp_connect_som(llu_i2mdexp(inode)) &&
+ (ia_valid & ATTR_SIZE))
+ op_data.op_flags = MF_EPOCH_OPEN;
+ rc = llu_md_setattr(inode, &op_data, &mod);
+ if (rc)
RETURN(rc);
- }
- /* Won't invoke vmtruncate as we already cleared ATTR_SIZE,
- * but needed to set timestamps backwards on utime. */
- inode_setattr(inode, attr);
- llu_update_inode(inode, md.body, md.lsm);
- ptlrpc_req_finished(request);
-
- if (!md.lsm || !S_ISREG(lli->lli_st_mode)) {
+ llu_ioepoch_open(llu_i2info(inode), op_data.op_ioepoch);
+ if (!lsm || !S_ISREG(st->st_mode)) {
CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
- RETURN(0);
+ GOTO(out, rc);
}
} else {
/* The OST doesn't check permissions, but the alternative is
if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
/* from sys_utime() */
if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
- if (current->fsuid != lli->lli_st_uid &&
+ if (current->fsuid != st->st_uid &&
(rc = ll_permission(inode, MAY_WRITE)) != 0)
RETURN(rc);
} else {
- /* from inode_change_ok() */
- if (current->fsuid != lli->lli_st_uid &&
- !capable(CAP_FOWNER))
- RETURN(-EPERM);
+ /* from inode_change_ok() */
+ if (current->fsuid != st->st_uid &&
+ !cfs_capable(CFS_CAP_FOWNER))
+ RETURN(-EPERM);
}
}
- /* Won't invoke vmtruncate, as we already cleared ATTR_SIZE */
+
+ /* Won't invoke llu_vmtruncate(), as we already cleared
+ * ATTR_SIZE */
inode_setattr(inode, attr);
}
- if (ia_valid & ATTR_SIZE) {
- ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
- OBD_OBJECT_EOF} };
- struct lustre_handle lockh = { 0 };
- int err, ast_flags = 0;
- /* XXX when we fix the AST intents to pass the discard-range
- * XXX extent, make ast_flags always LDLM_AST_DISCARD_DATA
- * XXX here. */
- if (attr->ia_size == 0)
- ast_flags = LDLM_AST_DISCARD_DATA;
-
- rc = llu_extent_lock(NULL, inode, lsm, LCK_PW, &policy,
- &lockh, ast_flags);
- if (rc != ELDLM_OK) {
- if (rc > 0)
- RETURN(-ENOLCK);
- RETURN(rc);
- }
-
- rc = llu_vmtruncate(inode, attr->ia_size);
-
- /* unlock now as we don't mind others file lockers racing with
- * the mds updates below? */
- err = llu_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
- if (err) {
- CERROR("llu_extent_unlock failed: %d\n", err);
- if (!rc)
- rc = err;
- }
- } else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
- struct obdo oa;
-
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- lli->lli_st_ino, LTIME_S(attr->ia_mtime));
- oa.o_id = lsm->lsm_object_id;
- oa.o_valid = OBD_MD_FLID;
- obdo_from_inode(&oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME);
- rc = obd_setattr(sbi->ll_dt_exp, &oa, lsm, NULL);
- if (rc)
- CERROR("obd_setattr fails: rc=%d\n", rc);
- }
- RETURN(rc);
+ if (ia_valid & ATTR_SIZE)
+ attr->ia_valid |= ATTR_SIZE;
+ if (ia_valid & (ATTR_SIZE |
+ ATTR_ATIME | ATTR_ATIME_SET |
+ ATTR_MTIME | ATTR_MTIME_SET))
+ /* on truncate and utimes send attributes to osts, setting
+ * mtime/atime to past will be performed under PW 0:EOF extent
+ * lock (new_size:EOF for truncate)
+ * it may seem excessive to send mtime/atime updates to osts
+ * when not setting times to past, but it is necessary due to
+ * possible time de-synchronization */
+ rc = cl_setattr_ost(inode, attr, NULL);
+ EXIT;
+out:
+ if (op_data.op_ioepoch)
+ rc1 = llu_setattr_done_writing(inode, &op_data, mod);
+ return rc ? rc : rc1;
}
/* here we simply act as a thin layer to glue it with
struct intnl_stat *stbuf)
{
struct iattr iattr;
+ int rc;
ENTRY;
liblustre_wait_event(0);
- LASSERT(!(mask & ~(SETATTR_MTIME | SETATTR_ATIME |
+ LASSERT(!(mask & ~(SETATTR_MTIME | SETATTR_ATIME |
SETATTR_UID | SETATTR_GID |
SETATTR_LEN | SETATTR_MODE)));
memset(&iattr, 0, sizeof(iattr));
}
if (mask & SETATTR_MTIME) {
iattr.ia_mtime = stbuf->st_mtime;
- iattr.ia_valid |= ATTR_MTIME;
+ iattr.ia_valid |= ATTR_MTIME | ATTR_MTIME_SET;
}
if (mask & SETATTR_ATIME) {
iattr.ia_atime = stbuf->st_atime;
- iattr.ia_valid |= ATTR_ATIME;
+ iattr.ia_valid |= ATTR_ATIME | ATTR_ATIME_SET;
}
if (mask & SETATTR_UID) {
iattr.ia_uid = stbuf->st_uid;
iattr.ia_valid |= ATTR_SIZE;
}
- iattr.ia_valid |= ATTR_RAW;
+ iattr.ia_valid |= ATTR_RAW | ATTR_CTIME;
+ iattr.ia_ctime = CFS_CURRENT_TIME;
- RETURN(llu_setattr_raw(ino, &iattr));
+ rc = llu_setattr_raw(ino, &iattr);
+ liblustre_wait_idle();
+ RETURN(rc);
}
#define EXT2_LINK_MAX 32000
int len = qstr->len;
struct ptlrpc_request *request = NULL;
struct llu_sb_info *sbi = llu_i2sbi(dir);
- struct mdc_op_data op_data;
+ struct md_op_data op_data = {{ 0 }};
int err = -EMLINK;
ENTRY;
- if (llu_i2info(dir)->lli_st_nlink >= EXT2_LINK_MAX)
+ liblustre_wait_event(0);
+ if (llu_i2stat(dir)->st_nlink >= EXT2_LINK_MAX)
RETURN(err);
- llu_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
- err = mdc_create(sbi->ll_md_exp, &op_data,
- tgt, strlen(tgt) + 1, S_IFLNK | S_IRWXUGO,
- current->fsuid, current->fsgid, 0, &request);
+ llu_prep_md_op_data(&op_data, dir, NULL, name, len, 0,
+ LUSTRE_OPC_SYMLINK);
+
+ err = md_create(sbi->ll_md_exp, &op_data, tgt, strlen(tgt) + 1,
+ S_IFLNK | S_IRWXUGO, current->fsuid, current->fsgid,
+ cfs_curproc_cap_pack(), 0, &request);
ptlrpc_req_finished(request);
+ liblustre_wait_event(0);
RETURN(err);
}
{
struct llu_inode_info *lli = llu_i2info(inode);
struct llu_sb_info *sbi = llu_i2sbi(inode);
- struct lustre_id id;
- struct mds_body *body;
- int rc, symlen = lli->lli_st_size + 1;
+ struct mdt_body *body;
+ struct intnl_stat *st = llu_i2stat(inode);
+ struct md_op_data op_data = {{ 0 }};
+ int rc, symlen = st->st_size + 1;
ENTRY;
*request = NULL;
+ *symname = NULL;
if (lli->lli_symlink_name) {
*symname = lli->lli_symlink_name;
RETURN(0);
}
- ll_inode2id(&id, inode);
- rc = mdc_getattr(sbi->ll_md_exp, &id,
- OBD_MD_LINKNAME, symlen, request);
+ llu_prep_md_op_data(&op_data, inode, NULL, NULL, 0, symlen,
+ LUSTRE_OPC_ANY);
+ op_data.op_valid = OBD_MD_LINKNAME;
+
+ rc = md_getattr(sbi->ll_md_exp, &op_data, request);
if (rc) {
- CERROR("inode %lu: rc = %d\n", lli->lli_st_ino, rc);
+ CERROR("inode %llu: rc = %d\n", (long long)st->st_ino, rc);
RETURN(rc);
}
- body = lustre_msg_buf ((*request)->rq_repmsg, 0, sizeof (*body));
- LASSERT (body != NULL);
- LASSERT_REPSWABBED (*request, 0);
+ body = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_BODY);
+ LASSERT(body != NULL);
if ((body->valid & OBD_MD_LINKNAME) == 0) {
CERROR ("OBD_MD_LINKNAME not set on reply\n");
GOTO (failed, rc = -EPROTO);
}
-
- LASSERT (symlen != 0);
+
+ LASSERT(symlen != 0);
if (body->eadatasize != symlen) {
- CERROR ("inode %lu: symlink length %d not expected %d\n",
- lli->lli_st_ino, body->eadatasize - 1, symlen - 1);
- GOTO (failed, rc = -EPROTO);
+ CERROR("inode %llu: symlink length %d not expected %d\n",
+ (long long)st->st_ino, body->eadatasize - 1, symlen - 1);
+ GOTO(failed, rc = -EPROTO);
}
- *symname = lustre_msg_buf ((*request)->rq_repmsg, 1, symlen);
+ *symname = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_MD);
if (*symname == NULL ||
- strnlen (*symname, symlen) != symlen - 1) {
+ strnlen(*symname, symlen) != symlen - 1) {
/* not full/NULL terminated */
- CERROR ("inode %lu: symlink not NULL terminated string"
- "of length %d\n", lli->lli_st_ino, symlen - 1);
- GOTO (failed, rc = -EPROTO);
+ CERROR("inode %llu: symlink not NULL terminated string"
+ "of length %d\n", (long long)st->st_ino, symlen - 1);
+ GOTO(failed, rc = -EPROTO);
}
OBD_ALLOC(lli->lli_symlink_name, symlen);
int rc;
ENTRY;
+ liblustre_wait_event(0);
rc = llu_readlink_internal(inode, &request, &symname);
if (rc)
GOTO(out, rc);
LASSERT(symname);
strncpy(data, symname, bufsize);
+ rc = strlen(symname);
ptlrpc_req_finished(request);
out:
+ liblustre_wait_event(0);
RETURN(rc);
}
struct ptlrpc_request *request = NULL;
struct inode *dir = pno->p_parent->p_base->pb_ino;
struct llu_sb_info *sbi = llu_i2sbi(dir);
- struct mdc_op_data op_data;
+ struct md_op_data op_data = {{ 0 }};
int err = -EMLINK;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu\n",
- pno->p_base->pb_name.name, llu_i2info(dir)->lli_st_ino);
+ liblustre_wait_event(0);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%llu\n",
+ (int)pno->p_base->pb_name.len, pno->p_base->pb_name.name,
+ (long long)llu_i2stat(dir)->st_ino);
- if (llu_i2info(dir)->lli_st_nlink >= EXT2_LINK_MAX)
+ if (llu_i2stat(dir)->st_nlink >= EXT2_LINK_MAX)
RETURN(err);
- mode &= ~current->fs->umask;
-
switch (mode & S_IFMT) {
case 0:
case S_IFREG:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
- llu_prepare_mdc_data(&op_data, dir, NULL,
- pno->p_base->pb_name.name,
- pno->p_base->pb_name.len,
- 0);
- err = mdc_create(sbi->ll_md_exp, &op_data, NULL, 0, mode,
- current->fsuid, current->fsgid, dev, &request);
+ llu_prep_md_op_data(&op_data, dir, NULL,
+ pno->p_base->pb_name.name,
+ pno->p_base->pb_name.len, 0,
+ LUSTRE_OPC_MKNOD);
+
+ err = md_create(sbi->ll_md_exp, &op_data, NULL, 0, mode,
+ current->fsuid, current->fsgid,
+ cfs_curproc_cap_pack(), dev, &request);
ptlrpc_req_finished(request);
break;
case S_IFDIR:
default:
err = -EINVAL;
}
+ liblustre_wait_event(0);
RETURN(err);
}
const char *name = new->p_base->pb_name.name;
int namelen = new->p_base->pb_name.len;
struct ptlrpc_request *request = NULL;
- struct mdc_op_data op_data;
+ struct md_op_data op_data = {{ 0 }};
int rc;
ENTRY;
LASSERT(dir);
liblustre_wait_event(0);
- llu_prepare_mdc_data(&op_data, src, dir, name, namelen, 0);
- rc = mdc_link(llu_i2sbi(src)->ll_md_exp, &op_data, &request);
+ llu_prep_md_op_data(&op_data, src, dir, name, namelen, 0,
+ LUSTRE_OPC_ANY);
+ rc = md_link(llu_i2sbi(src)->ll_md_exp, &op_data, &request);
ptlrpc_req_finished(request);
liblustre_wait_event(0);
int len = qstr->len;
struct inode *target = pno->p_base->pb_ino;
struct ptlrpc_request *request = NULL;
- struct mdc_op_data op_data;
+ struct md_op_data op_data = { { 0 } };
int rc;
ENTRY;
LASSERT(target);
liblustre_wait_event(0);
- llu_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
- rc = mdc_unlink(llu_i2sbi(dir)->ll_md_exp, &op_data, &request);
+ llu_prep_md_op_data(&op_data, dir, NULL, name, len, 0,
+ LUSTRE_OPC_ANY);
+ rc = md_unlink(llu_i2sbi(dir)->ll_md_exp, &op_data, &request);
if (!rc)
rc = llu_objects_destroy(request, dir);
ptlrpc_req_finished(request);
- liblustre_wait_event(0);
+ liblustre_wait_idle();
+
RETURN(rc);
}
const char *newname = new->p_base->pb_name.name;
int newnamelen = new->p_base->pb_name.len;
struct ptlrpc_request *request = NULL;
- struct mdc_op_data op_data;
+ struct md_op_data op_data = { { 0 } };
int rc;
ENTRY;
LASSERT(src);
LASSERT(tgt);
- llu_prepare_mdc_data(&op_data, src, tgt, NULL, 0, 0);
- rc = mdc_rename(llu_i2sbi(src)->ll_md_exp, &op_data,
- oldname, oldnamelen, newname, newnamelen,
- &request);
+ liblustre_wait_event(0);
+ llu_prep_md_op_data(&op_data, src, tgt, NULL, 0, 0,
+ LUSTRE_OPC_ANY);
+ rc = md_rename(llu_i2sbi(src)->ll_md_exp, &op_data,
+ oldname, oldnamelen, newname, newnamelen,
+ &request);
if (!rc) {
rc = llu_objects_destroy(request, src);
}
ptlrpc_req_finished(request);
+ liblustre_wait_idle();
RETURN(rc);
}
#ifdef _HAVE_STATVFS
static int llu_statfs_internal(struct llu_sb_info *sbi,
- struct obd_statfs *osfs,
- unsigned long max_age)
+ struct obd_statfs *osfs, __u64 max_age)
{
struct obd_statfs obd_osfs;
int rc;
ENTRY;
- rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age);
+ rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age, 0);
if (rc) {
- CERROR("mdc_statfs fails: rc = %d\n", rc);
+ CERROR("md_statfs fails: rc = %d\n", rc);
RETURN(rc);
}
CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
- rc = obd_statfs(class_exp2obd(sbi->ll_dt_exp), &obd_osfs, max_age);
+ rc = obd_statfs_rqset(class_exp2obd(sbi->ll_dt_exp),
+ &obd_statfs, max_age, 0);
if (rc) {
CERROR("obd_statfs fails: rc = %d\n", rc);
RETURN(rc);
/* For now we will always get up-to-date statfs values, but in the
* future we may allow some amount of caching on the client (e.g.
* from QOS or lprocfs updates). */
- rc = llu_statfs_internal(sbi, &osfs, jiffies - 1);
+ rc = llu_statfs_internal(sbi, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS));
if (rc)
return rc;
buf->f_files = fs.f_files; /* Total number serial numbers */
buf->f_ffree = fs.f_ffree; /* Number free serial numbers */
buf->f_favail = fs.f_ffree; /* Number free ser num for non-privileged*/
- buf->f_fsid = fs.f_fstc.__val[1];
+ buf->f_fsid = fs.f_fsid.__val[1];
buf->f_flag = 0; /* No equiv in statfs; maybe use type? */
buf->f_namemax = fs.f_namelen;
#endif
+ liblustre_wait_event(0);
RETURN(0);
}
#endif /* _HAVE_STATVFS */
const char *name = qstr->name;
int len = qstr->len;
struct ptlrpc_request *request = NULL;
- struct llu_inode_info *lli = llu_i2info(dir);
- struct mdc_op_data op_data;
+ struct intnl_stat *st = llu_i2stat(dir);
+ struct md_op_data op_data = {{ 0 }};
int err = -EMLINK;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%lu(%p)\n",
- name, lli->lli_st_ino, lli->lli_st_generation, dir);
- if (lli->lli_st_nlink >= EXT2_LINK_MAX)
+ liblustre_wait_event(0);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%llu/%lu(%p)\n", len, name,
+ (long long)st->st_ino, llu_i2info(dir)->lli_st_generation, dir);
+
+ if (st->st_nlink >= EXT2_LINK_MAX)
RETURN(err);
- mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
- llu_prepare_mdc_data(&op_data, dir, NULL, name, len, 0);
- err = mdc_create(llu_i2sbi(dir)->ll_md_exp, &op_data, NULL, 0, mode,
- current->fsuid, current->fsgid, 0, &request);
+ llu_prep_md_op_data(&op_data, dir, NULL, name, len, 0,
+ LUSTRE_OPC_MKDIR);
+
+ err = md_create(llu_i2sbi(dir)->ll_md_exp, &op_data, NULL, 0,
+ mode | S_IFDIR, current->fsuid, current->fsgid,
+ cfs_curproc_cap_pack(), 0, &request);
ptlrpc_req_finished(request);
+ liblustre_wait_event(0);
RETURN(err);
}
const char *name = qstr->name;
int len = qstr->len;
struct ptlrpc_request *request = NULL;
- struct mdc_op_data op_data;
- struct llu_inode_info *lli = llu_i2info(dir);
+ struct md_op_data op_data = {{ 0 }};
int rc;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%lu(%p)\n",
- name, lli->lli_st_ino, lli->lli_st_generation, dir);
- llu_prepare_mdc_data(&op_data, dir, NULL, name, len, S_IFDIR);
- rc = mdc_unlink(llu_i2sbi(dir)->ll_md_exp, &op_data, &request);
+ liblustre_wait_event(0);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%llu/%lu(%p)\n", len, name,
+ (long long)llu_i2stat(dir)->st_ino,
+ llu_i2info(dir)->lli_st_generation, dir);
+
+ llu_prep_md_op_data(&op_data, dir, NULL, name, len, S_IFDIR,
+ LUSTRE_OPC_ANY);
+ rc = md_unlink(llu_i2sbi(dir)->ll_md_exp, &op_data, &request);
ptlrpc_req_finished(request);
+ liblustre_wait_event(0);
RETURN(rc);
}
#endif
#define FCNTL_FLMASK_INVALID (O_NONBLOCK|O_ASYNC)
+/* refer to ll_file_flock() for details */
+static int llu_file_flock(struct inode *ino,
+ int cmd,
+ struct file_lock *file_lock)
+{
+ struct llu_inode_info *lli = llu_i2info(ino);
+ struct intnl_stat *st = llu_i2stat(ino);
+ struct ldlm_res_id res_id =
+ { .name = {fid_seq(&lli->lli_fid),
+ fid_oid(&lli->lli_fid),
+ fid_ver(&lli->lli_fid),
+ LDLM_FLOCK} };
+ struct ldlm_enqueue_info einfo = { LDLM_FLOCK, 0, NULL,
+ ldlm_flock_completion_ast, NULL, NULL, file_lock };
+
+ struct lustre_handle lockh = {0};
+ ldlm_policy_data_t flock;
+ int flags = 0;
+ int rc;
+
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu file_lock=%p\n",
+ (unsigned long long)st->st_ino, file_lock);
+
+ flock.l_flock.pid = file_lock->fl_pid;
+ flock.l_flock.start = file_lock->fl_start;
+ flock.l_flock.end = file_lock->fl_end;
+
+ switch (file_lock->fl_type) {
+ case F_RDLCK:
+ einfo.ei_mode = LCK_PR;
+ break;
+ case F_UNLCK:
+ einfo.ei_mode = LCK_NL;
+ break;
+ case F_WRLCK:
+ einfo.ei_mode = LCK_PW;
+ break;
+ default:
+ CERROR("unknown fcntl lock type: %d\n", file_lock->fl_type);
+ LBUG();
+ }
+
+ switch (cmd) {
+ case F_SETLKW:
+#ifdef F_SETLKW64
+#if F_SETLKW64 != F_SETLKW
+ case F_SETLKW64:
+#endif
+#endif
+ flags = 0;
+ break;
+ case F_SETLK:
+#ifdef F_SETLK64
+#if F_SETLK64 != F_SETLK
+ case F_SETLK64:
+#endif
+#endif
+ flags = LDLM_FL_BLOCK_NOWAIT;
+ break;
+ case F_GETLK:
+#ifdef F_GETLK64
+#if F_GETLK64 != F_GETLK
+ case F_GETLK64:
+#endif
+#endif
+ flags = LDLM_FL_TEST_LOCK;
+ file_lock->fl_type = einfo.ei_mode;
+ break;
+ default:
+ CERROR("unknown fcntl cmd: %d\n", cmd);
+ LBUG();
+ }
+
+ CDEBUG(D_DLMTRACE, "inode=%llu, pid=%u, cmd=%d, flags=%#x, mode=%u, "
+ "start="LPX64", end="LPX64"\n", (unsigned long long)st->st_ino,
+ flock.l_flock.pid, cmd, flags, einfo.ei_mode, flock.l_flock.start,
+ flock.l_flock.end);
+
+ {
+ struct lmv_obd *lmv;
+ struct obd_device *lmv_obd;
+ lmv_obd = class_exp2obd(llu_i2mdexp(ino));
+ lmv = &lmv_obd->u.lmv;
+
+ if (lmv->desc.ld_tgt_count < 1)
+ RETURN(rc = -ENODEV);
+
+ if (lmv->tgts[0].ltd_exp != NULL)
+ rc = ldlm_cli_enqueue(lmv->tgts[0].ltd_exp, NULL, &einfo, &res_id,
+ &flock, &flags, NULL, 0, &lockh, 0);
+ else
+ rc = -ENODEV;
+ }
+ RETURN(rc);
+}
+
+static int assign_type(struct file_lock *fl, int type)
+{
+ switch (type) {
+ case F_RDLCK:
+ case F_WRLCK:
+ case F_UNLCK:
+ fl->fl_type = type;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int flock_to_posix_lock(struct inode *ino,
+ struct file_lock *fl,
+ struct flock *l)
+{
+ switch (l->l_whence) {
+ /* XXX: only SEEK_SET is supported in lustre */
+ case SEEK_SET:
+ fl->fl_start = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ fl->fl_end = l->l_len - 1;
+ if (l->l_len < 0)
+ return -EINVAL;
+ if (l->l_len == 0)
+ fl->fl_end = OFFSET_MAX;
+
+ fl->fl_pid = getpid();
+ fl->fl_flags = FL_POSIX;
+ fl->fl_notify = NULL;
+ fl->fl_insert = NULL;
+ fl->fl_remove = NULL;
+ /* XXX: these fields can't be filled with suitable values,
+ but I think lustre doesn't use them.
+ */
+ fl->fl_owner = NULL;
+ fl->fl_file = NULL;
+
+ return assign_type(fl, l->l_type);
+}
+
+static int llu_fcntl_getlk(struct inode *ino, struct flock *flock)
+{
+ struct file_lock fl;
+ int error;
+
+ error = EINVAL;
+ if ((flock->l_type != F_RDLCK) && (flock->l_type != F_WRLCK))
+ goto out;
+
+ error = flock_to_posix_lock(ino, &fl, flock);
+ if (error)
+ goto out;
+
+ error = llu_file_flock(ino, F_GETLK, &fl);
+ if (error)
+ goto out;
+
+ flock->l_type = F_UNLCK;
+ if (fl.fl_type != F_UNLCK) {
+ flock->l_pid = fl.fl_pid;
+ flock->l_start = fl.fl_start;
+ flock->l_len = fl.fl_end == OFFSET_MAX ? 0:
+ fl.fl_end - fl.fl_start + 1;
+ flock->l_whence = SEEK_SET;
+ flock->l_type = fl.fl_type;
+ }
+
+out:
+ return error;
+}
+
+static int llu_fcntl_setlk(struct inode *ino, int cmd, struct flock *flock)
+{
+ struct file_lock fl;
+ int flags = llu_i2info(ino)->lli_open_flags + 1;
+ int error;
+
+ error = flock_to_posix_lock(ino, &fl, flock);
+ if (error)
+ goto out;
+ if (cmd == F_SETLKW)
+ fl.fl_flags |= FL_SLEEP;
+
+ error = -EBADF;
+ switch (flock->l_type) {
+ case F_RDLCK:
+ if (!(flags & FMODE_READ))
+ goto out;
+ break;
+ case F_WRLCK:
+ if (!(flags & FMODE_WRITE))
+ goto out;
+ break;
+ case F_UNLCK:
+ break;
+ default:
+ error = -EINVAL;
+ goto out;
+ }
+
+ error = llu_file_flock(ino, cmd, &fl);
+ if (error)
+ goto out;
+
+out:
+ return error;
+}
+
static int llu_iop_fcntl(struct inode *ino, int cmd, va_list ap, int *rtn)
{
struct llu_inode_info *lli = llu_i2info(ino);
long flags;
+ struct flock *flock;
+ long err = 0;
+ liblustre_wait_event(0);
switch (cmd) {
case F_GETFL:
*rtn = lli->lli_open_flags;
- return 0;
+ break;
case F_SETFL:
flags = va_arg(ap, long);
flags &= FCNTL_FLMASK;
if (flags & FCNTL_FLMASK_INVALID) {
- CERROR("liblustre does not support O_NONBLOCK, O_ASYNC, "
- "and O_DIRECT on file descriptor\n");
- *rtn = -1;
- return EINVAL;
+ LCONSOLE_ERROR_MSG(0x010, "liblustre does not support "
+ "the O_NONBLOCK or O_ASYNC flags. "
+ "Please fix your application.\n");
+ *rtn = -EINVAL;
+ err = EINVAL;
+ break;
}
- lli->lli_open_flags = (int) flags;
+ lli->lli_open_flags = (int)(flags & FCNTL_FLMASK) |
+ (lli->lli_open_flags & ~FCNTL_FLMASK);
*rtn = 0;
- return 0;
+ break;
+ case F_GETLK:
+#ifdef F_GETLK64
+#if F_GETLK64 != F_GETLK
+ case F_GETLK64:
+#endif
+#endif
+ flock = va_arg(ap, struct flock *);
+ err = llu_fcntl_getlk(ino, flock);
+ *rtn = err? -1: 0;
+ break;
+ case F_SETLK:
+#ifdef F_SETLKW64
+#if F_SETLKW64 != F_SETLKW
+ case F_SETLKW64:
+#endif
+#endif
+ case F_SETLKW:
+#ifdef F_SETLK64
+#if F_SETLK64 != F_SETLK
+ case F_SETLK64:
+#endif
+#endif
+ flock = va_arg(ap, struct flock *);
+ err = llu_fcntl_setlk(ino, cmd, flock);
+ *rtn = err? -1: 0;
+ break;
+ default:
+ CERROR("unsupported fcntl cmd %x\n", cmd);
+ *rtn = -ENOSYS;
+ err = ENOSYS;
+ break;
}
- CERROR("unsupported fcntl cmd %x\n", cmd);
- *rtn = -1;
- return ENOSYS;
+ liblustre_wait_event(0);
+ return err;
}
static int llu_get_grouplock(struct inode *inode, unsigned long arg)
{
struct llu_inode_info *lli = llu_i2info(inode);
struct ll_file_data *fd = lli->lli_file_data;
- ldlm_policy_data_t policy = { .l_extent = { .start = 0,
- .end = OBD_OBJECT_EOF}};
- struct lustre_handle lockh = { 0 };
- struct lov_stripe_md *lsm = lli->lli_smd;
- ldlm_error_t err;
- int flags = 0;
+ int rc;
+ struct ccc_grouplock grouplock;
ENTRY;
+ if (fd->fd_flags & LL_FILE_IGNORE_LOCK) {
+ RETURN(-ENOTSUPP);
+ }
if (fd->fd_flags & LL_FILE_GROUP_LOCKED) {
RETURN(-EINVAL);
}
+ LASSERT(fd->fd_grouplock.cg_lock == NULL);
- policy.l_extent.gid = arg;
- if (lli->lli_open_flags & O_NONBLOCK)
- flags = LDLM_FL_BLOCK_NOWAIT;
+ rc = cl_get_grouplock(cl_i2info(inode)->lli_clob,
+ arg, (lli->lli_open_flags & O_NONBLOCK),
+ &grouplock);
- err = llu_extent_lock(fd, inode, lsm, LCK_GROUP, &policy, &lockh,
- flags);
- if (err)
- RETURN(err);
+ if (rc)
+ RETURN(rc);
- fd->fd_flags |= LL_FILE_GROUP_LOCKED|LL_FILE_IGNORE_LOCK;
- fd->fd_gid = arg;
- memcpy(&fd->fd_cwlockh, &lockh, sizeof(lockh));
+ fd->fd_flags |= LL_FILE_GROUP_LOCKED;
+ fd->fd_grouplock = grouplock;
RETURN(0);
}
-static int llu_put_grouplock(struct inode *inode, unsigned long arg)
+int llu_put_grouplock(struct inode *inode, unsigned long arg)
{
struct llu_inode_info *lli = llu_i2info(inode);
struct ll_file_data *fd = lli->lli_file_data;
- struct lov_stripe_md *lsm = lli->lli_smd;
- ldlm_error_t err;
+ struct ccc_grouplock grouplock;
ENTRY;
if (!(fd->fd_flags & LL_FILE_GROUP_LOCKED))
RETURN(-EINVAL);
- if (fd->fd_gid != arg)
- RETURN(-EINVAL);
+ LASSERT(fd->fd_grouplock.cg_lock != NULL);
- fd->fd_flags &= ~(LL_FILE_GROUP_LOCKED|LL_FILE_IGNORE_LOCK);
+ if (fd->fd_grouplock.cg_gid != arg)
+ RETURN(-EINVAL);
- err = llu_extent_unlock(fd, inode, lsm, LCK_GROUP, &fd->fd_cwlockh);
- if (err)
- RETURN(err);
+ grouplock = fd->fd_grouplock;
+ memset(&fd->fd_grouplock, 0, sizeof(fd->fd_grouplock));
+ fd->fd_flags &= ~LL_FILE_GROUP_LOCKED;
- fd->fd_gid = 0;
- memset(&fd->fd_cwlockh, 0, sizeof(fd->fd_cwlockh));
+ cl_put_grouplock(&grouplock);
RETURN(0);
-}
+}
+
+static int llu_lov_dir_setstripe(struct inode *ino, unsigned long arg)
+{
+ struct llu_sb_info *sbi = llu_i2sbi(ino);
+ struct ptlrpc_request *request = NULL;
+ struct md_op_data op_data = {{ 0 }};
+ struct lov_user_md lum, *lump = (struct lov_user_md *)arg;
+ int rc = 0;
+
+ llu_prep_md_op_data(&op_data, ino, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY);
+
+ LASSERT(sizeof(lum) == sizeof(*lump));
+ LASSERT(sizeof(lum.lmm_objects[0]) ==
+ sizeof(lump->lmm_objects[0]));
+ if (cfs_copy_from_user(&lum, lump, sizeof(lum)))
+ return(-EFAULT);
+
+ switch (lum.lmm_magic) {
+ case LOV_USER_MAGIC_V1: {
+ if (lum.lmm_magic != cpu_to_le32(LOV_USER_MAGIC_V1))
+ lustre_swab_lov_user_md_v1(&lum);
+ break;
+ }
+ case LOV_USER_MAGIC_V3: {
+ if (lum.lmm_magic != cpu_to_le32(LOV_USER_MAGIC_V3))
+ lustre_swab_lov_user_md_v3((struct lov_user_md_v3 *)&lum);
+ break;
+ }
+ default: {
+ CDEBUG(D_IOCTL, "bad userland LOV MAGIC:"
+ " %#08x != %#08x nor %#08x\n",
+ lum.lmm_magic, LOV_USER_MAGIC_V1,
+ LOV_USER_MAGIC_V3);
+ RETURN(-EINVAL);
+ }
+ }
+
+ /* swabbing is done in lov_setstripe() on server side */
+ rc = md_setattr(sbi->ll_md_exp, &op_data, &lum,
+ sizeof(lum), NULL, 0, &request, NULL);
+ if (rc) {
+ ptlrpc_req_finished(request);
+ if (rc != -EPERM && rc != -EACCES)
+ CERROR("md_setattr fails: rc = %d\n", rc);
+ return rc;
+ }
+ ptlrpc_req_finished(request);
+
+ return rc;
+}
+
+static int llu_lov_setstripe_ea_info(struct inode *ino, int flags,
+ struct lov_user_md *lum, int lum_size)
+{
+ struct llu_sb_info *sbi = llu_i2sbi(ino);
+ struct llu_inode_info *lli = llu_i2info(ino);
+ struct lookup_intent oit = {.it_op = IT_OPEN, .it_flags = flags};
+ struct ldlm_enqueue_info einfo = { LDLM_IBITS, LCK_CR,
+ llu_md_blocking_ast, ldlm_completion_ast, NULL, NULL, NULL };
+ struct ptlrpc_request *req = NULL;
+ struct lustre_md md;
+ struct md_op_data data = {{ 0 }};
+ struct lustre_handle lockh;
+ int rc = 0;
+ ENTRY;
+
+ if (lli->lli_smd) {
+ CDEBUG(D_IOCTL, "stripe already exists for ino "DFID"\n",
+ PFID(&lli->lli_fid));
+ return -EEXIST;
+ }
+
+ llu_prep_md_op_data(&data, NULL, ino, NULL, 0, O_RDWR,
+ LUSTRE_OPC_ANY);
+ rc = md_enqueue(sbi->ll_md_exp, &einfo, &oit, &data,
+ &lockh, lum, lum_size, NULL, LDLM_FL_INTENT_ONLY);
+ if (rc)
+ GOTO(out, rc);
+
+ req = oit.d.lustre.it_data;
+ rc = it_open_error(DISP_IT_EXECD, &oit);
+ if (rc) {
+ req->rq_replay = 0;
+ GOTO(out, rc);
+ }
+
+ rc = it_open_error(DISP_OPEN_OPEN, &oit);
+ if (rc) {
+ req->rq_replay = 0;
+ GOTO(out, rc);
+ }
+
+ rc = md_get_lustre_md(sbi->ll_md_exp, req,
+ sbi->ll_dt_exp, sbi->ll_md_exp, &md);
+ if (rc)
+ GOTO(out, rc);
+
+ llu_update_inode(ino, &md);
+ llu_local_open(lli, &oit);
+ /* release intent */
+ if (lustre_handle_is_used(&lockh))
+ ldlm_lock_decref(&lockh, LCK_CR);
+ ptlrpc_req_finished(req);
+ req = NULL;
+ rc = llu_file_release(ino);
+ EXIT;
+
+out:
+ if (req != NULL)
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int llu_lov_file_setstripe(struct inode *ino, unsigned long arg)
+{
+ struct lov_user_md lum, *lump = (struct lov_user_md *)arg;
+ int rc;
+ int flags = FMODE_WRITE;
+ ENTRY;
+
+ LASSERT(sizeof(lum) == sizeof(*lump));
+ LASSERT(sizeof(lum.lmm_objects[0]) == sizeof(lump->lmm_objects[0]));
+ if (cfs_copy_from_user(&lum, lump, sizeof(lum)))
+ RETURN(-EFAULT);
+
+ rc = llu_lov_setstripe_ea_info(ino, flags, &lum, sizeof(lum));
+ RETURN(rc);
+}
+
+static int llu_lov_setstripe(struct inode *ino, unsigned long arg)
+{
+ struct intnl_stat *st = llu_i2stat(ino);
+ if (S_ISREG(st->st_mode))
+ return llu_lov_file_setstripe(ino, arg);
+ if (S_ISDIR(st->st_mode))
+ return llu_lov_dir_setstripe(ino, arg);
+
+ return -EINVAL;
+}
+
+static int llu_lov_getstripe(struct inode *ino, unsigned long arg)
+{
+ struct lov_stripe_md *lsm = llu_i2info(ino)->lli_smd;
+
+ if (!lsm)
+ RETURN(-ENODATA);
+
+ return obd_iocontrol(LL_IOC_LOV_GETSTRIPE, llu_i2obdexp(ino), 0, lsm,
+ (void *)arg);
+}
static int llu_iop_ioctl(struct inode *ino, unsigned long int request,
va_list ap)
{
unsigned long arg;
+ int rc;
liblustre_wait_event(0);
switch (request) {
case LL_IOC_GROUP_LOCK:
arg = va_arg(ap, unsigned long);
- return llu_get_grouplock(ino, arg);
+ rc = llu_get_grouplock(ino, arg);
+ break;
case LL_IOC_GROUP_UNLOCK:
arg = va_arg(ap, unsigned long);
- return llu_put_grouplock(ino, arg);
+ rc = llu_put_grouplock(ino, arg);
+ break;
+ case LL_IOC_LOV_SETSTRIPE:
+ arg = va_arg(ap, unsigned long);
+ rc = llu_lov_setstripe(ino, arg);
+ break;
+ case LL_IOC_LOV_GETSTRIPE:
+ arg = va_arg(ap, unsigned long);
+ rc = llu_lov_getstripe(ino, arg);
+ break;
+ default:
+ CERROR("did not support ioctl cmd %lx\n", request);
+ rc = -ENOSYS;
+ break;
}
- CERROR("did not support ioctl cmd %lx\n", request);
- return -ENOSYS;
+ liblustre_wait_event(0);
+ return rc;
}
/*
struct inode *llu_iget(struct filesys *fs, struct lustre_md *md)
{
struct inode *inode;
- struct lustre_id id;
- struct file_identifier fileid = {&id, sizeof(id)};
+ struct lu_fid fid;
+ struct file_identifier fileid = {&fid, sizeof(fid)};
- if ((md->body->valid &
- (OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE)) !=
- (OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE)) {
- CERROR("bad md body valid mask 0x%x\n", md->body->valid);
+ if ((md->body->valid & (OBD_MD_FLID | OBD_MD_FLTYPE)) !=
+ (OBD_MD_FLID | OBD_MD_FLTYPE)) {
+ CERROR("bad md body valid mask "LPX64"\n", md->body->valid);
LBUG();
return ERR_PTR(-EPERM);
}
- id = md->body->id1;
-
/* try to find existing inode */
+ fid = md->body->fid1;
+
inode = _sysio_i_find(fs, &fileid);
if (inode) {
- struct llu_inode_info *lli = llu_i2info(inode);
-
- if (inode->i_zombie ||
- lli->lli_st_generation != id_gen(&md->body->id1)) {
+ if (inode->i_zombie/* ||
+ lli->lli_st_generation != md->body->generation*/) {
I_RELE(inode);
}
else {
- llu_update_inode(inode, md->body, md->lsm);
+ llu_update_inode(inode, md);
return inode;
}
}
- inode = llu_new_inode(fs, &id);
+ inode = llu_new_inode(fs, &fid);
if (inode)
- llu_update_inode(inode, md->body, md->lsm);
-
+ llu_update_inode(inode, md);
+
return inode;
}
struct inode *root;
struct pnode_base *rootpb;
struct obd_device *obd;
- struct lustre_id rootid;
struct llu_sb_info *sbi;
struct obd_statfs osfs;
static struct qstr noname = { NULL, 0, 0 };
struct ptlrpc_request *request = NULL;
- struct lustre_handle lmv_conn = {0, };
- struct lustre_handle lov_conn = {0, };
struct lustre_md md;
class_uuid_t uuid;
- struct config_llog_instance cfg;
+ struct config_llog_instance cfg = {0, };
struct lustre_profile *lprof;
- char *lov = NULL, *lmv = NULL;
+ char *zconf_mgsnid, *zconf_profile;
+ char *osc = NULL, *mdc = NULL;
int async = 1, err = -EINVAL;
+ struct obd_connect_data ocd = {0,};
+ struct md_op_data op_data = {{0}};
+ /* %p for void* in printf needs 16+2 characters: 0xffffffffffffffff */
+ const int instlen = sizeof(cfg.cfg_instance) * 2 + 2;
ENTRY;
+ if (ll_parse_mount_target(source,
+ &zconf_mgsnid,
+ &zconf_profile)) {
+ CERROR("mal-formed target %s\n", source);
+ RETURN(err);
+ }
+ if (!zconf_mgsnid || !zconf_profile) {
+ printf("Liblustre: invalid target %s\n", source);
+ RETURN(err);
+ }
/* allocate & initialize sbi */
OBD_ALLOC(sbi, sizeof(*sbi));
if (!sbi)
RETURN(-ENOMEM);
- INIT_LIST_HEAD(&sbi->ll_conn_chain);
- generate_random_uuid(uuid);
+ CFS_INIT_LIST_HEAD(&sbi->ll_conn_chain);
+ ll_generate_random_uuid(uuid);
class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
/* generate a string unique to this super, let's try
the address of the super itself.*/
- OBD_ALLOC(sbi->ll_instance, sizeof(sbi) * 2 + 1);
- if (sbi->ll_instance == NULL)
- GOTO(out_free, err = -ENOMEM);
- sprintf(sbi->ll_instance, "%p", sbi);
+ cfg.cfg_instance = sbi;
/* retrive & parse config log */
- cfg.cfg_instance = sbi->ll_instance;
cfg.cfg_uuid = sbi->ll_sb_uuid;
- err = liblustre_process_log(&cfg, 1);
+ err = liblustre_process_log(&cfg, zconf_mgsnid, zconf_profile, 1);
if (err < 0) {
- CERROR("Unable to process log: %s\n", g_zconf_profile);
+ CERROR("Unable to process log: %s\n", zconf_profile);
GOTO(out_free, err);
}
- lprof = class_get_profile(g_zconf_profile);
+ lprof = class_get_profile(zconf_profile);
if (lprof == NULL) {
- CERROR("No profile found: %s\n", g_zconf_profile);
+ CERROR("No profile found: %s\n", zconf_profile);
GOTO(out_free, err = -EINVAL);
}
- if (lov)
- OBD_FREE(lov, strlen(lov) + 1);
- OBD_ALLOC(lov, strlen(lprof->lp_lov) +
- strlen(sbi->ll_instance) + 2);
- sprintf(lov, "%s-%s", lprof->lp_lov, sbi->ll_instance);
+ OBD_ALLOC(osc, strlen(lprof->lp_dt) + instlen + 2);
+ sprintf(osc, "%s-%p", lprof->lp_dt, cfg.cfg_instance);
- if (lmv)
- OBD_FREE(lmv, strlen(lmv) + 1);
- OBD_ALLOC(lmv, strlen(lprof->lp_lmv) +
- strlen(sbi->ll_instance) + 2);
- sprintf(lmv, "%s-%s", lprof->lp_lmv, sbi->ll_instance);
+ OBD_ALLOC(mdc, strlen(lprof->lp_md) + instlen + 2);
+ sprintf(mdc, "%s-%p", lprof->lp_md, cfg.cfg_instance);
- if (!lov) {
+ if (!osc) {
CERROR("no osc\n");
GOTO(out_free, err = -EINVAL);
}
- if (!lmv) {
+ if (!mdc) {
CERROR("no mdc\n");
GOTO(out_free, err = -EINVAL);
}
goto out_free;
}
- obd = class_name2obd(lmv);
+ obd = class_name2obd(mdc);
if (!obd) {
- CERROR("MDC %s: not setup or attached\n", lmv);
+ CERROR("MDC %s: not setup or attached\n", mdc);
GOTO(out_free, err = -EINVAL);
}
- obd_set_info(obd->obd_self_export, strlen("async"), "async",
- sizeof(async), &async);
-#warning "FIXME ASAP!"
-#if 0
- if (mdc_init_ea_size(obd, lov))
- GOTO(out_free, err = -EINVAL);
+ obd_set_info_async(obd->obd_self_export, sizeof(KEY_ASYNC), KEY_ASYNC,
+ sizeof(async), &async, NULL);
+
+ ocd.ocd_connect_flags = OBD_CONNECT_IBITS | OBD_CONNECT_VERSION |
+ OBD_CONNECT_FID | OBD_CONNECT_AT |
+ OBD_CONNECT_VBR | OBD_CONNECT_FULL20;
+
+#ifdef LIBLUSTRE_POSIX_ACL
+ ocd.ocd_connect_flags |= OBD_CONNECT_ACL;
#endif
+ ocd.ocd_ibits_known = MDS_INODELOCK_FULL;
+ ocd.ocd_version = LUSTRE_VERSION_CODE;
+
/* setup mdc */
- err = obd_connect(&lmv_conn, obd, &sbi->ll_sb_uuid, 0);
+ err = obd_connect(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, &ocd, NULL);
if (err) {
- CERROR("cannot connect to %s: rc = %d\n", lmv, err);
+ CERROR("cannot connect to %s: rc = %d\n", mdc, err);
GOTO(out_free, err);
}
- sbi->ll_md_exp = class_conn2export(&lmv_conn);
- err = obd_statfs(obd, &osfs, 100000000);
+ err = obd_statfs(obd, &osfs, 100000000, 0);
if (err)
- GOTO(out_lmv, err);
+ GOTO(out_md, err);
/*
* FIXME fill fs stat data into sbi here!!! FIXME
*/
- /* setup lov */
- obd = class_name2obd(lov);
+ /* setup osc */
+ obd = class_name2obd(osc);
if (!obd) {
- CERROR("OSC %s: not setup or attached\n", lov);
- GOTO(out_lmv, err = -EINVAL);
+ CERROR("OSC %s: not setup or attached\n", osc);
+ GOTO(out_md, err = -EINVAL);
}
- obd_set_info(obd->obd_self_export, strlen("async"), "async",
- sizeof(async), &async);
+ obd_set_info_async(obd->obd_self_export, sizeof(KEY_ASYNC), KEY_ASYNC,
+ sizeof(async), &async, NULL);
+
+ obd->obd_upcall.onu_owner = &sbi->ll_lco;
+ obd->obd_upcall.onu_upcall = cl_ocd_update;
+
+ ocd.ocd_connect_flags = OBD_CONNECT_SRVLOCK | OBD_CONNECT_REQPORTAL |
+ OBD_CONNECT_VERSION | OBD_CONNECT_TRUNCLOCK |
+ OBD_CONNECT_FID | OBD_CONNECT_AT |
+ OBD_CONNECT_FULL20;
- err = obd_connect(&lov_conn, obd, &sbi->ll_sb_uuid, 0);
+ ocd.ocd_version = LUSTRE_VERSION_CODE;
+ err = obd_connect(NULL, &sbi->ll_dt_exp, obd, &sbi->ll_sb_uuid, &ocd, NULL);
if (err) {
- CERROR("cannot connect to %s: rc = %d\n", lov, err);
- GOTO(out_lmv, err);
+ CERROR("cannot connect to %s: rc = %d\n", osc, err);
+ GOTO(out_md, err);
}
- sbi->ll_dt_exp = class_conn2export(&lov_conn);
+ sbi->ll_lco.lco_flags = ocd.ocd_connect_flags;
+ sbi->ll_lco.lco_md_exp = sbi->ll_md_exp;
+ sbi->ll_lco.lco_dt_exp = sbi->ll_dt_exp;
- err = mdc_getstatus(sbi->ll_md_exp, &rootid);
+ fid_zero(&sbi->ll_root_fid);
+ err = md_getstatus(sbi->ll_md_exp, &sbi->ll_root_fid, NULL);
if (err) {
CERROR("cannot mds_connect: rc = %d\n", err);
- GOTO(out_lov, err);
+ GOTO(out_lock_cn_cb, err);
}
- CDEBUG(D_SUPER, "rootid "LPU64"\n", rootid.li_stc.u.e3s.l3s_ino);
- sbi->ll_rootino = rootid.li_stc.u.e3s.l3s_ino;
+ if (!fid_is_sane(&sbi->ll_root_fid)) {
+ CERROR("Invalid root fid during mount\n");
+ GOTO(out_lock_cn_cb, err = -EINVAL);
+ }
+ CDEBUG(D_SUPER, "rootfid "DFID"\n", PFID(&sbi->ll_root_fid));
+ op_data.op_fid1 = sbi->ll_root_fid;
+ op_data.op_valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS;
/* fetch attr of root inode */
- err = mdc_getattr(sbi->ll_md_exp, &rootid,
- OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
+ err = md_getattr(sbi->ll_md_exp, &op_data, &request);
if (err) {
- CERROR("mdc_getattr failed for root: rc = %d\n", err);
- GOTO(out_lov, err);
+ CERROR("md_getattr failed for root: rc = %d\n", err);
+ GOTO(out_lock_cn_cb, err);
}
- err = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
- sbi->ll_dt_exp, &md);
+ err = md_get_lustre_md(sbi->ll_md_exp, request,
+ sbi->ll_dt_exp, sbi->ll_md_exp, &md);
if (err) {
CERROR("failed to understand root inode md: rc = %d\n",err);
GOTO(out_request, err);
}
- LASSERT(sbi->ll_rootino != 0);
+ LASSERT(fid_is_sane(&sbi->ll_root_fid));
root = llu_iget(fs, &md);
if (!root || IS_ERR(root)) {
GOTO(out_request, err = -EBADF);
}
- /*
- * Generate base path-node for root.
- */
- rootpb = _sysio_pb_new(&noname, NULL, root);
- if (!rootpb) {
- err = -ENOMEM;
- goto out_inode;
- }
+ /*
+ * Generate base path-node for root.
+ */
+ rootpb = _sysio_pb_new(&noname, NULL, root);
+ if (!rootpb) {
+ err = -ENOMEM;
+ goto out_inode;
+ }
- err = _sysio_do_mount(fs, rootpb, flags, tocover, mntp);
- if (err) {
+ err = _sysio_do_mount(fs, rootpb, flags, tocover, mntp);
+ if (err) {
_sysio_pb_gone(rootpb);
- goto out_inode;
+ goto out_inode;
}
- ptlrpc_req_finished(request);
+ cl_sb_init(sbi);
- printf("LibLustre: namespace mounted successfully!\n");
+ ptlrpc_req_finished(request);
- return 0;
+ CDEBUG(D_SUPER, "LibLustre: %s mounted successfully!\n", source);
+ err = 0;
+ goto out_free;
out_inode:
_sysio_i_gone(root);
out_request:
ptlrpc_req_finished(request);
-out_lov:
- obd_disconnect(sbi->ll_dt_exp, 0);
-out_lmv:
- obd_disconnect(sbi->ll_md_exp, 0);
+out_lock_cn_cb:
+ obd_disconnect(sbi->ll_dt_exp);
+out_md:
+ obd_disconnect(sbi->ll_md_exp);
out_free:
+ if (osc)
+ OBD_FREE(osc, strlen(lprof->lp_dt) + instlen + 2);
+ if (mdc)
+ OBD_FREE(mdc, strlen(lprof->lp_md) + instlen + 2);
OBD_FREE(sbi, sizeof(*sbi));
+ liblustre_wait_idle();
return err;
}
llu_fsswop_mount
};
-struct inode_ops llu_inode_ops = {
- .inop_lookup = llu_iop_lookup,
- .inop_getattr = llu_iop_getattr,
- .inop_setattr = llu_iop_setattr,
- .inop_getdirentries = llu_iop_getdirentries,
- .inop_mkdir = llu_iop_mkdir_raw,
- .inop_rmdir = llu_iop_rmdir_raw,
- .inop_symlink = llu_iop_symlink_raw,
- .inop_readlink = llu_iop_readlink,
- .inop_open = llu_iop_open,
- .inop_close = llu_iop_close,
- .inop_link = llu_iop_link_raw,
- .inop_unlink = llu_iop_unlink_raw,
- .inop_rename = llu_iop_rename_raw,
- .inop_iodone = llu_iop_iodone,
- .inop_fcntl = llu_iop_fcntl,
- .inop_sync = llu_iop_sync,
- .inop_read = llu_iop_read,
- .inop_write = llu_iop_write,
- .inop_datasync = llu_iop_datasync,
- .inop_ioctl = llu_iop_ioctl,
- .inop_mknod = llu_iop_mknod_raw,
+static struct inode_ops llu_inode_ops = {
+ inop_lookup: llu_iop_lookup,
+ inop_getattr: llu_iop_getattr,
+ inop_setattr: llu_iop_setattr,
+ inop_filldirentries: llu_iop_filldirentries,
+ inop_mkdir: llu_iop_mkdir_raw,
+ inop_rmdir: llu_iop_rmdir_raw,
+ inop_symlink: llu_iop_symlink_raw,
+ inop_readlink: llu_iop_readlink,
+ inop_open: llu_iop_open,
+ inop_close: llu_iop_close,
+ inop_link: llu_iop_link_raw,
+ inop_unlink: llu_iop_unlink_raw,
+ inop_rename: llu_iop_rename_raw,
+ inop_pos: llu_iop_pos,
+ inop_read: llu_iop_read,
+ inop_write: llu_iop_write,
+ inop_iodone: llu_iop_iodone,
+ inop_fcntl: llu_iop_fcntl,
+ inop_sync: llu_iop_sync,
+ inop_datasync: llu_iop_datasync,
+ inop_ioctl: llu_iop_ioctl,
+ inop_mknod: llu_iop_mknod_raw,
#ifdef _HAVE_STATVFS
- .inop_statvfs = llu_iop_statvfs,
+ inop_statvfs: llu_iop_statvfs,
#endif
- .inop_gone = llu_iop_gone,
+ inop_gone: llu_iop_gone,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff