-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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 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).
- *
- * 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
- *
- * 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.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2013, Intel Corporation.
- */
-/*
- * 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 <assert.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <libcfs/libcfs.h>
-#include <lustre/lustre_idl.h>
-#include <liblustre.h>
-#include <lclient.h>
-#include <lustre_dlm.h>
-#include <lustre_export.h>
-#include <lustre_lite.h>
-#include <lustre_mdc.h>
-#include <lustre_net.h>
-#include <lustre_req_layout.h>
-#include <lustre_ver.h>
-#include <obd.h>
-#include <obd_class.h>
-#include <obd_support.h>
-#include "llite_lib.h"
-
-#ifndef MAY_EXEC
-#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 intnl_stat *st = llu_i2stat(inode);
- mode_t mode = st->st_mode;
-
- if (current->fsuid == st->st_uid)
- mode >>= 6;
- else if (in_group_p(st->st_gid))
- mode >>= 3;
-
- if ((mode & mask & (MAY_READ|MAY_WRITE|MAY_EXEC)) == mask)
- return 0;
-
- if ((mask & (MAY_READ|MAY_WRITE)) ||
- (st->st_mode & S_IXUGO))
- if (cfs_capable(CFS_CAP_DAC_OVERRIDE))
- return 0;
-
- if (mask == MAY_READ ||
- (S_ISDIR(st->st_mode) && !(mask & MAY_WRITE))) {
- if (cfs_capable(CFS_CAP_DAC_READ_SEARCH))
- return 0;
- }
-
- return -EACCES;
-}
-
-static void llu_fsop_gone(struct filesys *fs)
-{
- struct llu_sb_info *sbi = (struct llu_sb_info *) fs->fs_private;
- struct obd_device *obd = class_exp2obd(sbi->ll_md_exp);
- int next = 0;
- ENTRY;
-
- 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)
- class_manual_cleanup(obd);
-
- OBD_FREE(sbi, sizeof(*sbi));
-
- liblustre_wait_idle();
- EXIT;
-}
-
-static struct inode_ops llu_inode_ops;
-
-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;
- __u64 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_has_smd) {
- cl_file_inode_init(inode, md);
- lli->lli_has_smd = true;
- lli->lli_maxbytes = lsm->lsm_maxbytes;
- if (lli->lli_maxbytes > MAX_LFS_FILESIZE)
- lli->lli_maxbytes = MAX_LFS_FILESIZE;
- }
- if (md->lsm != NULL)
- obd_free_memmd(llu_i2obdexp(inode), &md->lsm);
- }
-
- 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)
- st->st_uid = body->uid;
- if (body->valid & OBD_MD_FLGID)
- st->st_gid = body->gid;
- if (body->valid & OBD_MD_FLNLINK)
- st->st_nlink = body->nlink;
- if (body->valid & OBD_MD_FLRDEV)
- 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_has_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;
- }
-}
-
-/**
- * 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 obdo *obdo,
- __u64 ioepoch, int sync)
-{
- struct ptlrpc_request_set *set;
- struct lov_stripe_md *lsm = NULL;
- struct obd_info oinfo = { { { 0 } } };
- int rc;
- ENTRY;
-
- lsm = ccc_inode_lsm_get(inode);
- LASSERT(lsm);
-
- oinfo.oi_md = lsm;
- oinfo.oi_oa = obdo;
- oinfo.oi_oa->o_oi = lsm->lsm_oi;
- 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_set_parent_fid(oinfo.oi_oa, &llu_i2info(inode)->lli_fid);
- 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(llu_i2obdexp(inode), &oinfo, set);
- if (rc == 0)
- rc = ptlrpc_set_wait(set);
- ptlrpc_set_destroy(set);
- }
- ccc_inode_lsm_put(inode, lsm);
- if (rc)
- RETURN(rc);
-
- 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 "DOSTID" size %llu, blocks %llu, "
- "blksize %llu\n", POSTID(&oinfo.oi_oa->o_oi),
- (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 lu_fid *fid)
-{
- 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)
- return NULL;
-
- /* initialize lli here */
- lli->lli_sbi = llu_fs2sbi(fs);
- lli->lli_has_smd = false;
- lli->lli_symlink_name = NULL;
- lli->lli_flags = 0;
- lli->lli_maxbytes = (__u64)(~0UL);
- lli->lli_file_data = NULL;
-
- 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,
- &st, 0, &llu_inode_ops, lli);
-
- if (!inode)
- OBD_FREE(lli, sizeof(*lli));
-
- return inode;
-}
-
-static int llu_have_md_lock(struct inode *inode, __u64 lockpart)
-{
- struct lustre_handle lockh;
- ldlm_policy_data_t policy = { .l_inodebits = { lockpart } };
- struct lu_fid *fid;
- __u64 flags;
- ENTRY;
-
- LASSERT(inode);
-
- 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 | 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 intnl_stat *st = llu_i2stat(inode);
- ENTRY;
-
- if (!llu_have_md_lock(inode, MDS_INODELOCK_UPDATE)) {
- struct lustre_md md;
- struct ptlrpc_request *req = NULL;
- struct llu_sb_info *sbi = llu_i2sbi(inode);
- 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(st->st_mode)) {
- ealen = obd_size_diskmd(sbi->ll_dt_exp, NULL);
- valid |= OBD_MD_FLEASIZE;
- }
-
- 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 %llu\n", rc,
- (long long)st->st_ino);
- RETURN(-abs(rc));
- }
- 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) &&
- !((md.body->valid & OBD_MD_FLNLINK) &&
- (md.body->nlink == 0))) {
- CERROR("Asked for %s eadata but got %s (%d)\n",
- (valid & OBD_MD_FLEASIZE) ? "some" : "no",
- (md.body->valid & OBD_MD_FLEASIZE) ? "some":"none",
- md.body->eadatasize);
- }
- if (rc) {
- ptlrpc_req_finished(req);
- RETURN(rc);
- }
-
-
- llu_update_inode(inode, &md);
- if (md.lsm != NULL)
- obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
- ptlrpc_req_finished(req);
- }
-
- if (!lli->lli_has_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(cl_glimpse_size(inode));
-}
-
-static void copy_stat_buf(struct inode *ino, struct intnl_stat *b)
-{
- *b = *llu_i2stat(ino);
-}
-
-static int llu_iop_getattr(struct pnode *pno,
- struct inode *ino,
- struct intnl_stat *b)
-{
- int rc;
- ENTRY;
-
- liblustre_wait_event(0);
-
- if (!ino) {
- LASSERT(pno);
- LASSERT(pno->p_base->pb_ino);
- ino = pno->p_base->pb_ino;
- } else {
- LASSERT(!pno || pno->p_base->pb_ino == ino);
- }
-
- /* libsysio might call us directly without intent lock,
- * we must re-fetch the attrs here
- */
- rc = llu_inode_revalidate(ino);
- if (!rc) {
- copy_stat_buf(ino, b);
- LASSERT(!llu_i2info(ino)->lli_it);
- }
-
- liblustre_wait_event(0);
- RETURN(rc);
-}
-
-static int null_if_equal(struct ldlm_lock *lock, void *data)
-{
- if (data == lock->l_ast_data) {
- lock->l_ast_data = NULL;
-
- if (lock->l_req_mode != lock->l_granted_mode)
- LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
- }
-
- return LDLM_ITER_CONTINUE;
-}
-
-static void llu_clear_inode(struct inode *inode)
-{
- struct llu_inode_info *lli = llu_i2info(inode);
- struct llu_sb_info *sbi = llu_i2sbi(inode);
- struct lov_stripe_md *lsm;
- ENTRY;
-
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu/%lu(%p)\n",
- (long long)llu_i2stat(inode)->st_ino, lli->lli_st_generation,
- inode);
-
- lli->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
- md_null_inode(sbi->ll_md_exp, ll_inode2fid(inode));
-
- lsm = ccc_inode_lsm_get(inode);
- if (lsm != NULL)
- obd_change_cbdata(sbi->ll_dt_exp, lsm, null_if_equal, inode);
- ccc_inode_lsm_put(inode, lsm);
-
- cl_inode_fini(inode);
- lli->lli_has_smd = false;
-
- if (lli->lli_symlink_name) {
- OBD_FREE(lli->lli_symlink_name,
- strlen(lli->lli_symlink_name) + 1);
- lli->lli_symlink_name = NULL;
- }
-
- EXIT;
-}
-
-static void llu_iop_gone(struct inode *inode)
-{
- struct llu_inode_info *lli = llu_i2info(inode);
- ENTRY;
-
- liblustre_wait_event(0);
- llu_clear_inode(inode);
-
- OBD_FREE(lli, sizeof(*lli));
- EXIT;
-}
-
-static int inode_setattr(struct inode * inode, struct iattr * attr)
-{
- unsigned int ia_valid = attr->ia_valid;
- struct intnl_stat *st = llu_i2stat(inode);
- int error = 0;
-
- /*
- * 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_has_smd));
-
- if (ia_valid & ATTR_SIZE)
- st->st_size = attr->ia_size;
- if (ia_valid & ATTR_UID)
- st->st_uid = attr->ia_uid;
- if (ia_valid & ATTR_GID)
- st->st_gid = attr->ia_gid;
- if (ia_valid & ATTR_ATIME)
- st->st_atime = attr->ia_atime;
- if (ia_valid & ATTR_MTIME)
- st->st_mtime = attr->ia_mtime;
- if (ia_valid & ATTR_CTIME)
- st->st_ctime = attr->ia_ctime;
- if (ia_valid & ATTR_MODE) {
- st->st_mode = attr->ia_mode;
- if (!in_group_p(st->st_gid) &&
- !cfs_capable(CFS_CAP_FSETID))
- st->st_mode &= ~S_ISGID;
- }
- /* mark_inode_dirty(inode); */
- 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.
- * We do the MDS operations first, as it is checking permissions for us.
- * We don't to the MDS RPC if there is nothing that we want to store there,
- * otherwise there is no harm in updating mtime/atime on the MDS if we are
- * going to do an RPC anyways.
- *
- * If we are doing a truncate, we will send the mtime and ctime updates
- * to the OST with the punch RPC, otherwise we do an explicit setattr RPC.
- * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
- * at the same time.
- */
-int llu_setattr_raw(struct inode *inode, struct iattr *attr)
-{
- int has_lsm = llu_i2info(inode)->lli_has_smd;
- struct intnl_stat *st = llu_i2stat(inode);
- int ia_valid = attr->ia_valid;
- 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=%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",
- (long long)attr->ia_size,
- ll_file_maxbytes(inode));
- RETURN(-EFBIG);
- }
-
- attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
- }
-
- /* We mark all of the fields "set" so MDS/OST does not re-set them */
- if (attr->ia_valid & ATTR_CTIME) {
- 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 = CFS_CURRENT_TIME;
- attr->ia_valid |= ATTR_ATIME_SET;
- }
- if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
- 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 "CFS_TIME_T", ctime "CFS_TIME_T
- ", now = "CFS_TIME_T"\n",
- LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
- 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 (has_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 & (has_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);
-
- llu_ioepoch_open(llu_i2info(inode), op_data.op_ioepoch);
- if (!has_lsm || !S_ISREG(st->st_mode)) {
- CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
- GOTO(out, rc);
- }
- } else {
- /* The OST doesn't check permissions, but the alternative is
- * a gratuitous RPC to the MDS. We already rely on the client
- * to do read/write/truncate permission checks, so is mtime OK?
- */
- if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
- /* from sys_utime() */
- if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
- if (current->fsuid != st->st_uid &&
- (rc = ll_permission(inode, MAY_WRITE)) != 0)
- RETURN(rc);
- } else {
- /* from inode_change_ok() */
- if (current->fsuid != st->st_uid &&
- !cfs_capable(CFS_CAP_FOWNER))
- RETURN(-EPERM);
- }
- }
-
-
- /* Won't invoke llu_vmtruncate(), as we already cleared
- * ATTR_SIZE */
- inode_setattr(inode, attr);
- }
-
- 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
- * llu_setattr_raw(), which is copy from kernel
- */
-static int llu_iop_setattr(struct pnode *pno,
- struct inode *ino,
- unsigned mask,
- struct intnl_stat *stbuf)
-{
- struct iattr iattr;
- int rc;
- ENTRY;
-
- liblustre_wait_event(0);
-
- LASSERT(!(mask & ~(SETATTR_MTIME | SETATTR_ATIME |
- SETATTR_UID | SETATTR_GID |
- SETATTR_LEN | SETATTR_MODE)));
- memset(&iattr, 0, sizeof(iattr));
-
- if (mask & SETATTR_MODE) {
- iattr.ia_mode = stbuf->st_mode;
- iattr.ia_valid |= ATTR_MODE;
- }
- if (mask & SETATTR_MTIME) {
- iattr.ia_mtime = stbuf->st_mtime;
- iattr.ia_valid |= ATTR_MTIME | ATTR_MTIME_SET;
- }
- if (mask & SETATTR_ATIME) {
- iattr.ia_atime = stbuf->st_atime;
- iattr.ia_valid |= ATTR_ATIME | ATTR_ATIME_SET;
- }
- if (mask & SETATTR_UID) {
- iattr.ia_uid = stbuf->st_uid;
- iattr.ia_valid |= ATTR_UID;
- }
- if (mask & SETATTR_GID) {
- iattr.ia_gid = stbuf->st_gid;
- iattr.ia_valid |= ATTR_GID;
- }
- if (mask & SETATTR_LEN) {
- iattr.ia_size = stbuf->st_size; /* XXX signed expansion problem */
- iattr.ia_valid |= ATTR_SIZE;
- }
-
- iattr.ia_valid |= ATTR_RAW | ATTR_CTIME;
- iattr.ia_ctime = CFS_CURRENT_TIME;
-
- rc = llu_setattr_raw(ino, &iattr);
- liblustre_wait_idle();
- RETURN(rc);
-}
-
-#define EXT2_LINK_MAX 32000
-
-static int llu_iop_symlink_raw(struct pnode *pno, const char *tgt)
-{
- struct inode *dir = pno->p_base->pb_parent->pb_ino;
- struct qstr *qstr = &pno->p_base->pb_name;
- const char *name = qstr->name;
- int len = qstr->len;
- struct ptlrpc_request *request = NULL;
- struct llu_sb_info *sbi = llu_i2sbi(dir);
- struct md_op_data op_data = {{ 0 }};
- int err = -EMLINK;
- ENTRY;
-
- liblustre_wait_event(0);
- if (llu_i2stat(dir)->st_nlink >= EXT2_LINK_MAX)
- RETURN(err);
-
- 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);
-}
-
-static int llu_readlink_internal(struct inode *inode,
- struct ptlrpc_request **request,
- char **symname)
-{
- struct llu_inode_info *lli = llu_i2info(inode);
- struct llu_sb_info *sbi = llu_i2sbi(inode);
- 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;
- CDEBUG(D_INODE, "using cached symlink %s\n", *symname);
- RETURN(0);
- }
-
- 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 %llu: rc = %d\n", (long long)st->st_ino, rc);
- RETURN(rc);
- }
-
- 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);
- if (body->eadatasize != symlen) {
- 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 = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_MD);
- if (*symname == NULL ||
- strnlen(*symname, symlen) != symlen - 1) {
- /* not full/NULL terminated */
- 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);
- /* do not return an error if we cannot cache the symlink locally */
- if (lli->lli_symlink_name)
- memcpy(lli->lli_symlink_name, *symname, symlen);
-
- RETURN(0);
-
- failed:
- ptlrpc_req_finished (*request);
- RETURN (-EPROTO);
-}
-
-static int llu_iop_readlink(struct pnode *pno, char *data, size_t bufsize)
-{
- struct inode *inode = pno->p_base->pb_ino;
- struct ptlrpc_request *request;
- char *symname;
- 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);
-}
-
-static int llu_iop_mknod_raw(struct pnode *pno,
- mode_t mode,
- dev_t dev)
-{
- struct ptlrpc_request *request = NULL;
- struct inode *dir = pno->p_parent->p_base->pb_ino;
- struct llu_sb_info *sbi = llu_i2sbi(dir);
- struct md_op_data op_data = {{ 0 }};
- int err = -EMLINK;
- ENTRY;
-
- 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_i2stat(dir)->st_nlink >= EXT2_LINK_MAX)
- RETURN(err);
-
- switch (mode & S_IFMT) {
- case 0:
- case S_IFREG:
- mode |= S_IFREG; /* for mode = 0 case, fallthrough */
- case S_IFCHR:
- case S_IFBLK:
- case S_IFIFO:
- case S_IFSOCK:
- 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:
- err = -EPERM;
- break;
- default:
- err = -EINVAL;
- }
- liblustre_wait_event(0);
- RETURN(err);
-}
-
-static int llu_iop_link_raw(struct pnode *old, struct pnode *new)
-{
- struct inode *src = old->p_base->pb_ino;
- struct inode *dir = new->p_parent->p_base->pb_ino;
- const char *name = new->p_base->pb_name.name;
- int namelen = new->p_base->pb_name.len;
- struct ptlrpc_request *request = NULL;
- struct md_op_data op_data = {{ 0 }};
- int rc;
- ENTRY;
-
- LASSERT(src);
- LASSERT(dir);
-
- liblustre_wait_event(0);
- 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);
-
- RETURN(rc);
-}
-
-/*
- * libsysio will clear the inode immediately after return
- */
-static int llu_iop_unlink_raw(struct pnode *pno)
-{
- struct inode *dir = pno->p_base->pb_parent->pb_ino;
- struct qstr *qstr = &pno->p_base->pb_name;
- const char *name = qstr->name;
- int len = qstr->len;
- struct inode *target = pno->p_base->pb_ino;
- struct ptlrpc_request *request = NULL;
- struct md_op_data op_data = { { 0 } };
- int rc;
- ENTRY;
-
- LASSERT(target);
-
- liblustre_wait_event(0);
- 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_idle();
-
- RETURN(rc);
-}
-
-static int llu_iop_rename_raw(struct pnode *old, struct pnode *new)
-{
- struct inode *src = old->p_parent->p_base->pb_ino;
- struct inode *tgt = new->p_parent->p_base->pb_ino;
- const char *oldname = old->p_base->pb_name.name;
- int oldnamelen = old->p_base->pb_name.len;
- const char *newname = new->p_base->pb_name.name;
- int newnamelen = new->p_base->pb_name.len;
- struct ptlrpc_request *request = NULL;
- struct md_op_data op_data = { { 0 } };
- int rc;
- ENTRY;
-
- LASSERT(src);
- LASSERT(tgt);
-
- 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, __u64 max_age)
-{
- struct obd_statfs obd_osfs;
- int rc;
- ENTRY;
-
- rc = obd_statfs(NULL, sbi->ll_md_exp, osfs, max_age, 0);
- if (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_rqset(class_exp2obd(sbi->ll_dt_exp),
- &obd_statfs, max_age, 0);
- if (rc) {
- CERROR("obd_statfs fails: rc = %d\n", rc);
- RETURN(rc);
- }
-
- CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
- obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
- obd_osfs.os_files);
-
- osfs->os_blocks = obd_osfs.os_blocks;
- osfs->os_bfree = obd_osfs.os_bfree;
- osfs->os_bavail = obd_osfs.os_bavail;
-
- /* If we don't have as many objects free on the OST as inodes
- * on the MDS, we reduce the total number of inodes to
- * compensate, so that the "inodes in use" number is correct.
- */
- if (obd_osfs.os_ffree < osfs->os_ffree) {
- osfs->os_files = (osfs->os_files - osfs->os_ffree) +
- obd_osfs.os_ffree;
- osfs->os_ffree = obd_osfs.os_ffree;
- }
-
- RETURN(rc);
-}
-
-static int llu_statfs(struct llu_sb_info *sbi, struct statfs *sfs)
-{
- struct obd_statfs osfs;
- int rc;
-
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
-
- /* 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,
- cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS));
- if (rc)
- return rc;
-
- statfs_unpack(sfs, &osfs);
-
- if (sizeof(sfs->f_blocks) == 4) {
- while (osfs.os_blocks > ~0UL) {
- sfs->f_bsize <<= 1;
-
- osfs.os_blocks >>= 1;
- osfs.os_bfree >>= 1;
- osfs.os_bavail >>= 1;
- }
- }
-
- sfs->f_blocks = osfs.os_blocks;
- sfs->f_bfree = osfs.os_bfree;
- sfs->f_bavail = osfs.os_bavail;
-
- return 0;
-}
-
-static int llu_iop_statvfs(struct pnode *pno,
- struct inode *ino,
- struct intnl_statvfs *buf)
-{
- struct statfs fs;
- int rc;
- ENTRY;
-
- liblustre_wait_event(0);
-
-#ifndef __CYGWIN__
- LASSERT(pno->p_base->pb_ino);
- rc = llu_statfs(llu_i2sbi(pno->p_base->pb_ino), &fs);
- if (rc)
- RETURN(rc);
-
- /* from native driver */
- buf->f_bsize = fs.f_bsize; /* file system block size */
- buf->f_frsize = fs.f_bsize; /* file system fundamental block size */
- buf->f_blocks = fs.f_blocks;
- buf->f_bfree = fs.f_bfree;
- buf->f_bavail = fs.f_bavail;
- 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_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 */
-
-static int llu_iop_mkdir_raw(struct pnode *pno, mode_t mode)
-{
- struct inode *dir = pno->p_base->pb_parent->pb_ino;
- struct qstr *qstr = &pno->p_base->pb_name;
- const char *name = qstr->name;
- int len = qstr->len;
- struct ptlrpc_request *request = NULL;
- struct intnl_stat *st = llu_i2stat(dir);
- struct md_op_data op_data = {{ 0 }};
- int err = -EMLINK;
- ENTRY;
-
- 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);
-
- 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);
-}
-
-static int llu_iop_rmdir_raw(struct pnode *pno)
-{
- struct inode *dir = pno->p_base->pb_parent->pb_ino;
- struct qstr *qstr = &pno->p_base->pb_name;
- const char *name = qstr->name;
- int len = qstr->len;
- struct ptlrpc_request *request = NULL;
- struct md_op_data op_data = {{ 0 }};
- int rc;
- ENTRY;
-
- 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);
-}
-
-#ifdef O_DIRECT
-#define FCNTL_FLMASK (O_APPEND|O_NONBLOCK|O_ASYNC|O_DIRECT)
-#else
-#define FCNTL_FLMASK (O_APPEND|O_NONBLOCK|O_ASYNC)
-#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 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 = {
- .ei_type = LDLM_FLOCK,
- .ei_mode = 0,
- .ei_cb_cp = ldlm_flock_completion_ast,
- .ei_cbdata = file_lock,
- };
- struct intnl_stat *st = llu_i2stat(ino);
- struct lustre_handle lockh = {0};
- ldlm_policy_data_t flock;
- __u64 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="LPX64", "
- "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] != NULL && lmv->tgts[0]->ltd_exp != NULL)
- rc = ldlm_cli_enqueue(lmv->tgts[0]->ltd_exp, NULL,
- &einfo, &res_id, &flock, &flags,
- NULL, 0, LVB_T_NONE, &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;
- break;
- case F_SETFL:
- flags = va_arg(ap, long);
- flags &= FCNTL_FLMASK;
- if (flags & FCNTL_FLMASK_INVALID) {
- 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 & FCNTL_FLMASK) |
- (lli->lli_open_flags & ~FCNTL_FLMASK);
- *rtn = 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;
- }
-
- 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;
- 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);
-
- rc = cl_get_grouplock(cl_i2info(inode)->lli_clob,
- arg, (lli->lli_open_flags & O_NONBLOCK),
- &grouplock);
-
- if (rc)
- RETURN(rc);
-
- fd->fd_flags |= LL_FILE_GROUP_LOCKED;
- fd->fd_grouplock = grouplock;
-
- RETURN(0);
-}
-
-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 ccc_grouplock grouplock;
- ENTRY;
-
- if (!(fd->fd_flags & LL_FILE_GROUP_LOCKED))
- RETURN(-EINVAL);
-
- LASSERT(fd->fd_grouplock.cg_lock != NULL);
-
- if (fd->fd_grouplock.cg_gid != arg)
- RETURN(-EINVAL);
-
- grouplock = fd->fd_grouplock;
- memset(&fd->fd_grouplock, 0, sizeof(fd->fd_grouplock));
- fd->fd_flags &= ~LL_FILE_GROUP_LOCKED;
-
- 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 (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 = {
- .ei_type = LDLM_IBITS,
- .ei_mode = LCK_CR,
- .ei_cb_bl = llu_md_blocking_ast,
- .ei_cb_cp = ldlm_completion_ast,
- };
- 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_has_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, NULL, &oit, &data, &lockh,
- 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 (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 = NULL;
- int rc = -ENODATA;
-
- lsm = ccc_inode_lsm_get(ino);
- if (lsm != NULL)
- rc = obd_iocontrol(LL_IOC_LOV_GETSTRIPE, llu_i2obdexp(ino), 0, lsm,
- (void *)arg);
- ccc_inode_lsm_put(ino, lsm);
- return rc;
-}
-
-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);
- rc = llu_get_grouplock(ino, arg);
- break;
- case LL_IOC_GROUP_UNLOCK:
- arg = va_arg(ap, unsigned long);
- 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;
- }
-
- liblustre_wait_event(0);
- return rc;
-}
-
-/*
- * we already do syncronous read/write
- */
-static int llu_iop_sync(struct inode *inode)
-{
- liblustre_wait_event(0);
- return 0;
-}
-
-static int llu_iop_datasync(struct inode *inode)
-{
- liblustre_wait_event(0);
- return 0;
-}
-
-static struct filesys_ops llu_filesys_ops = {
- .fsop_gone = llu_fsop_gone,
-};
-
-struct inode *llu_iget(struct filesys *fs, struct lustre_md *md)
-{
- struct inode *inode;
- struct lu_fid fid;
- struct file_identifier fileid = {&fid, sizeof(fid)};
-
- 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);
- }
-
- /* try to find existing inode */
- fid = md->body->fid1;
-
- inode = _sysio_i_find(fs, &fileid);
- if (inode) {
- if (inode->i_zombie/* ||
- lli->lli_st_generation != md->body->generation*/) {
- I_RELE(inode);
- }
- else {
- llu_update_inode(inode, md);
- return inode;
- }
- }
-
- inode = llu_new_inode(fs, &fid);
- if (inode)
- llu_update_inode(inode, md);
-
- return inode;
-}
-
-static int
-llu_fsswop_mount(const char *source,
- unsigned flags,
- const void *data __IS_UNUSED,
- struct pnode *tocover,
- struct mount **mntp)
-{
- struct filesys *fs;
- struct inode *root;
- struct pnode_base *rootpb;
- struct obd_device *obd;
- struct llu_sb_info *sbi;
- struct obd_statfs osfs;
- static struct qstr noname = { NULL, 0, 0 };
- struct ptlrpc_request *request = NULL;
- struct lustre_md md;
- class_uuid_t uuid;
- struct config_llog_instance cfg = {0, };
- struct lustre_profile *lprof;
- 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);
-
- 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.*/
- cfg.cfg_instance = sbi;
-
- /* retrive & parse config log */
- cfg.cfg_uuid = sbi->ll_sb_uuid;
- err = liblustre_process_log(&cfg, zconf_mgsnid, zconf_profile, 1);
- if (err < 0) {
- CERROR("Unable to process log: %s\n", zconf_profile);
- GOTO(out_free, err);
- }
-
- lprof = class_get_profile(zconf_profile);
- if (lprof == NULL) {
- CERROR("No profile found: %s\n", zconf_profile);
- GOTO(out_free, err = -EINVAL);
- }
- OBD_ALLOC(osc, strlen(lprof->lp_dt) + instlen + 2);
- sprintf(osc, "%s-%p", lprof->lp_dt, cfg.cfg_instance);
-
- OBD_ALLOC(mdc, strlen(lprof->lp_md) + instlen + 2);
- sprintf(mdc, "%s-%p", lprof->lp_md, cfg.cfg_instance);
-
- if (!osc) {
- CERROR("no osc\n");
- GOTO(out_free, err = -EINVAL);
- }
- if (!mdc) {
- CERROR("no mdc\n");
- GOTO(out_free, err = -EINVAL);
- }
-
- fs = _sysio_fs_new(&llu_filesys_ops, flags, sbi);
- if (!fs) {
- err = -ENOMEM;
- goto out_free;
- }
-
- obd = class_name2obd(mdc);
- if (!obd) {
- CERROR("MDC %s: not setup or attached\n", mdc);
- GOTO(out_free, err = -EINVAL);
- }
- obd_set_info_async(NULL, 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 |
- OBD_CONNECT_LVB_TYPE;
-
-#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(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, &ocd, NULL);
- if (err) {
- CERROR("cannot connect to %s: rc = %d\n", mdc, err);
- GOTO(out_free, err);
- }
-
- err = obd_statfs(NULL, sbi->ll_md_exp, &osfs, 100000000, 0);
- if (err)
- GOTO(out_md, err);
-
- /*
- * FIXME fill fs stat data into sbi here!!! FIXME
- */
-
- /* setup osc */
- obd = class_name2obd(osc);
- if (!obd) {
- CERROR("OSC %s: not setup or attached\n", osc);
- GOTO(out_md, err = -EINVAL);
- }
- obd_set_info_async(NULL, 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 | OBD_CONNECT_EINPROGRESS |
- OBD_CONNECT_LVB_TYPE;
-
- 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", osc, err);
- GOTO(out_md, err);
- }
- 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;
-
- 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_lock_cn_cb, err);
- }
- 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 = md_getattr(sbi->ll_md_exp, &op_data, &request);
- if (err) {
- CERROR("md_getattr failed for root: rc = %d\n", err);
- GOTO(out_lock_cn_cb, err);
- }
-
- 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(fid_is_sane(&sbi->ll_root_fid));
-
- root = llu_iget(fs, &md);
- if (!root || IS_ERR(root)) {
- CERROR("fail to generate root inode\n");
- 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;
- }
-
- err = _sysio_do_mount(fs, rootpb, flags, tocover, mntp);
- if (err) {
- _sysio_pb_gone(rootpb);
- goto out_inode;
- }
-
- cl_sb_init(sbi);
-
- ptlrpc_req_finished(request);
-
- 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_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);
- if (err != 0)
- OBD_FREE(sbi, sizeof(*sbi));
- liblustre_wait_idle();
- return err;
-}
-
-struct fssw_ops llu_fssw_ops = {
- .fsswop_mount = llu_fsswop_mount,
-};
-
-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,
-#endif
- .inop_gone = llu_iop_gone,
-};
git://git.whamcloud.com / fs / lustre-release.git / commitdiff