-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Lustre Light Super operations
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (c) 2002, 2003 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, 2013, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/liblustre/file.c
+ *
+ * Lustre Light file operations
*/
#define DEBUG_SUBSYSTEM S_LLITE
-#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
#include <string.h>
-#include <assert.h>
-#include <time.h>
+#include <sys/stat.h>
#include <sys/types.h>
-#include <sys/queue.h>
-
-#include <sysio.h>
-#include <fs.h>
-#include <mount.h>
-#include <inode.h>
-#include <file.h>
-
-#undef LIST_HEAD
-
+#include <libcfs/libcfs.h>
+#include <lustre/lustre_idl.h>
+#include <liblustre.h>
+#include <lclient.h>
+#include <lustre_lib.h>
+#include <lustre_lite.h>
+#include <lustre_mdc.h>
+#include <lustre_net.h>
+#include <lustre_req_layout.h>
+#include <obd.h>
+#include <obd_class.h>
+#include <obd_support.h>
#include "llite_lib.h"
-void llu_prepare_mdc_op_data(struct mdc_op_data *data,
- struct inode *i1,
- struct inode *i2,
- const char *name,
- int namelen,
- int mode)
+/* Pack the required supplementary groups into the supplied groups array.
+ * If we don't need to use the groups from the target inode(s) then we
+ * instead pack one or more groups from the user's supplementary group
+ * array in case it might be useful. Not needed if doing an MDS-side upcall. */
+void ll_i2gids(__u32 *suppgids, struct inode *i1, struct inode *i2)
{
- LASSERT(i1);
-
- ll_i2uctxt(&data->ctxt, i1, i2);
- ll_inode2fid(&data->fid1, i1);
+ LASSERT(i1 != NULL);
+ LASSERT(suppgids != NULL);
+
+ if (in_group_p(i1->i_stbuf.st_gid))
+ suppgids[0] = i1->i_stbuf.st_gid;
+ else
+ suppgids[0] = -1;
+
+ if (i2) {
+ if (in_group_p(i2->i_stbuf.st_gid))
+ suppgids[1] = i2->i_stbuf.st_gid;
+ else
+ suppgids[1] = -1;
+ } else {
+ suppgids[1] = -1;
+ }
+}
- if (i2) {
- ll_inode2fid(&data->fid2, i2);
+void llu_prep_md_op_data(struct md_op_data *op_data, struct inode *i1,
+ struct inode *i2, const char *name, int namelen,
+ int mode, __u32 opc)
+{
+ LASSERT(i1 != NULL || i2 != NULL);
+ LASSERT(op_data);
+
+ if (i1) {
+ ll_i2gids(op_data->op_suppgids, i1, i2);
+ op_data->op_fid1 = *ll_inode2fid(i1);
+ }else {
+ ll_i2gids(op_data->op_suppgids, i2, i1);
+ op_data->op_fid1 = *ll_inode2fid(i2);
}
- data->name = name;
- data->namelen = namelen;
- data->create_mode = mode;
- data->mod_time = CURRENT_TIME;
+ if (i2)
+ op_data->op_fid2 = *ll_inode2fid(i2);
+ else
+ fid_zero(&op_data->op_fid2);
+
+ op_data->op_name = name;
+ op_data->op_mode = mode;
+ op_data->op_namelen = namelen;
+ op_data->op_mod_time = CFS_CURRENT_TIME;
+ op_data->op_data = NULL;
}
void obdo_refresh_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;
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 && src->o_atime > LTIME_S(lli->lli_st_atime))
- LTIME_S(lli->lli_st_atime) = src->o_atime;
- if (valid & OBD_MD_FLMTIME && src->o_mtime > LTIME_S(lli->lli_st_mtime))
- 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;
- if (valid & OBD_MD_FLSIZE && src->o_size > lli->lli_st_size)
- lli->lli_st_size = src->o_size;
+ if (valid & OBD_MD_FLATIME && src->o_atime > LTIME_S(st->st_atime))
+ LTIME_S(st->st_atime) = src->o_atime;
+ if (valid & OBD_MD_FLMTIME && src->o_mtime > LTIME_S(st->st_mtime))
+ 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 && src->o_size > st->st_size)
+ st->st_size = src->o_size;
/* optimum IO size */
if (valid & OBD_MD_FLBLKSZ)
- lli->lli_st_blksize = src->o_blksize;
+ st->st_blksize = src->o_blksize;
/* allocation of space */
- if (valid & OBD_MD_FLBLOCKS && src->o_blocks > lli->lli_st_blocks)
- lli->lli_st_blocks = src->o_blocks;
+ if (valid & OBD_MD_FLBLOCKS && src->o_blocks > st->st_blocks)
+ st->st_blocks = src->o_blocks;
+}
+
+/**
+ * Assign an obtained @ioepoch to client's inode. No lock is needed, MDS does
+ * not believe attributes if a few ioepoch holders exist. Attributes for
+ * previous ioepoch if new one is opened are also skipped by MDS.
+ */
+void llu_ioepoch_open(struct llu_inode_info *lli, __u64 ioepoch)
+{
+ if (ioepoch && lli->lli_ioepoch != ioepoch) {
+ lli->lli_ioepoch = ioepoch;
+ CDEBUG(D_INODE, "Epoch "LPU64" opened on "DFID" for truncate\n",
+ ioepoch, PFID(&lli->lli_fid));
+ }
}
-static int llu_local_open(struct llu_inode_info *lli, struct lookup_intent *it)
+int llu_local_open(struct llu_inode_info *lli, struct lookup_intent *it)
{
struct ptlrpc_request *req = it->d.lustre.it_data;
struct ll_file_data *fd;
- struct mds_body *body;
+ struct mdt_body *body;
ENTRY;
- body = lustre_msg_buf (req->rq_repmsg, 1, sizeof (*body));
- LASSERT (body != NULL); /* reply already checked out */
- LASSERT_REPSWABBED (req, 1); /* and swabbed down */
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ LASSERT(body != NULL);
/* already opened? */
if (lli->lli_open_count++)
RETURN(0);
-
+
LASSERT(!lli->lli_file_data);
OBD_ALLOC(fd, sizeof(*fd));
/* We can't handle this well without reorganizing ll_file_open and
- * ll_mdc_close, so don't even try right now. */
+ * ll_md_close, so don't even try right now. */
LASSERT(fd != NULL);
memcpy(&fd->fd_mds_och.och_fh, &body->handle, sizeof(body->handle));
fd->fd_mds_och.och_magic = OBD_CLIENT_HANDLE_MAGIC;
+ fd->fd_mds_och.och_fid = lli->lli_fid;
lli->lli_file_data = fd;
-
- mdc_set_open_replay_data(&fd->fd_mds_och, it->d.lustre.it_data);
+ llu_ioepoch_open(lli, body->ioepoch);
+ md_set_open_replay_data(lli->lli_sbi->ll_md_exp, &fd->fd_mds_och, it);
RETURN(0);
}
{
struct inode *inode = pnode->p_base->pb_ino;
struct llu_inode_info *lli = llu_i2info(inode);
- struct ll_file_data *fd;
+ struct intnl_stat *st = llu_i2stat(inode);
struct ptlrpc_request *request;
struct lookup_intent *it;
- struct lov_stripe_md *lsm;
int rc = 0;
ENTRY;
+ liblustre_wait_event(0);
+
/* don't do anything for '/' */
if (llu_is_root_inode(inode))
RETURN(0);
- 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);
LL_GET_INTENT(inode, it);
if (!it->d.lustre.it_disposition) {
if (rc)
LBUG();
- if (!S_ISREG(lli->lli_st_mode))
+ if (!S_ISREG(st->st_mode))
GOTO(out_release, rc = 0);
-
- fd = lli->lli_file_data;
- lsm = lli->lli_smd;
- if (lsm == NULL) {
- if (fd->fd_flags & O_LOV_DELAY_CREATE) {
- CDEBUG(D_INODE, "object creation was delayed\n");
- GOTO(out_release, rc);
- }
- }
- fd->fd_flags &= ~O_LOV_DELAY_CREATE;
+ if (lli->lli_has_smd && cl_is_lov_delay_create(flags)) {
+ /* a bit ugly, but better than changing the open() API */
+ unsigned int tmp_flags = flags;
- lli->lli_open_flags = flags;
+ cl_lov_delay_create_clear(&tmp_flags);
+ flags = tmp_flags;
+ }
+ /*XXX: open_flags are overwritten and the previous ones are lost */
+ lli->lli_open_flags = flags & ~(O_CREAT | O_EXCL | O_TRUNC);
out_release:
request = it->d.lustre.it_data;
it->it_op_release(it);
OBD_FREE(it, sizeof(*it));
+ /* libsysio hasn't done anything for O_TRUNC. here we
+ * simply simulate it as open(...); truncate(...); */
+ if (rc == 0 && (flags & O_TRUNC) && S_ISREG(st->st_mode)) {
+ struct iattr attr;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.ia_size = 0;
+ attr.ia_valid |= ATTR_SIZE | ATTR_RAW;
+ rc = llu_setattr_raw(inode, &attr);
+ if (rc)
+ CERROR("error %d truncate in open()\n", rc);
+ }
+
+ liblustre_wait_event(0);
RETURN(rc);
}
-int llu_objects_destroy(struct ptlrpc_request *request, struct inode *dir)
+int llu_objects_destroy(struct ptlrpc_request *req, struct inode *dir)
{
- struct mds_body *body;
+ struct mdt_body *body;
struct lov_mds_md *eadata;
struct lov_stripe_md *lsm = NULL;
struct obd_trans_info oti = { 0 };
int rc;
ENTRY;
- /* req is swabbed so this is safe */
- body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
if (!(body->valid & OBD_MD_FLEASIZE))
RETURN(0);
* to this file. Use this EA to unlink the objects on the OST.
* It's opaque so we don't swab here; we leave it to obd_unpackmd() to
* check it is complete and sensible. */
- eadata = lustre_swab_repbuf(request, 1, body->eadatasize, NULL);
+ eadata = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD,
+ body->eadatasize);
+
LASSERT(eadata != NULL);
- if (eadata == NULL) {
- CERROR("Can't unpack MDS EA data\n");
- GOTO(out, rc = -EPROTO);
- }
- rc = obd_unpackmd(llu_i2obdexp(dir), &lsm, eadata, body->eadatasize);
+ rc = obd_unpackmd(llu_i2obdexp(dir), &lsm, eadata,body->eadatasize);
if (rc < 0) {
CERROR("obd_unpackmd: %d\n", rc);
GOTO(out, rc);
}
LASSERT(rc >= sizeof(*lsm));
- oa = obdo_alloc();
+ OBDO_ALLOC(oa);
if (oa == NULL)
GOTO(out_free_memmd, rc = -ENOMEM);
- oa->o_id = lsm->lsm_object_id;
+ oa->o_oi = lsm->lsm_oi;
oa->o_mode = body->mode & S_IFMT;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE;
-
+ oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
+ obdo_set_parent_fid(oa, &llu_i2info(dir)->lli_fid);
if (body->valid & OBD_MD_FLCOOKIE) {
oa->o_valid |= OBD_MD_FLCOOKIE;
oti.oti_logcookies =
- lustre_msg_buf(request->rq_repmsg, 2,
- sizeof(struct llog_cookie) *
- lsm->lsm_stripe_count);
+ req_capsule_server_sized_get(&req->rq_pill,
+ &RMF_LOGCOOKIES,
+ sizeof(struct llog_cookie) *
+ lsm->lsm_stripe_count);
if (oti.oti_logcookies == NULL) {
oa->o_valid &= ~OBD_MD_FLCOOKIE;
body->valid &= ~OBD_MD_FLCOOKIE;
}
}
- rc = obd_destroy(llu_i2obdexp(dir), oa, lsm, &oti);
- obdo_free(oa);
- if (rc)
- CERROR("obd destroy objid 0x"LPX64" error %d\n",
- lsm->lsm_object_id, rc);
- out_free_memmd:
- obd_free_memmd(llu_i2obdexp(dir), &lsm);
- out:
- return rc;
+ rc = obd_destroy(NULL, llu_i2obdexp(dir), oa, lsm, &oti, NULL, NULL);
+ OBDO_FREE(oa);
+ if (rc)
+ CERROR("obd destroy objid "DOSTID" error %d\n",
+ POSTID(&lsm->lsm_oi), rc);
+out_free_memmd:
+ obd_free_memmd(llu_i2obdexp(dir), &lsm);
+out:
+ return rc;
+}
+
+/** Cliens updates SOM attributes on MDS: obd_getattr and md_setattr. */
+int llu_som_update(struct inode *inode, struct md_op_data *op_data)
+{
+ struct llu_inode_info *lli = llu_i2info(inode);
+ struct llu_sb_info *sbi = llu_i2sbi(inode);
+ struct obdo oa = { 0 };
+ __u32 old_flags;
+ int rc;
+ ENTRY;
+
+ LASSERT(!(lli->lli_flags & LLIF_MDS_SIZE_LOCK));
+ LASSERT(sbi->ll_lco.lco_flags & OBD_CONNECT_SOM);
+
+ old_flags = op_data->op_flags;
+ op_data->op_flags = MF_SOM_CHANGE;
+
+ /* If inode is already in another epoch, skip getattr from OSTs. */
+ if (lli->lli_ioepoch == op_data->op_ioepoch) {
+ rc = llu_inode_getattr(inode, &oa, op_data->op_ioepoch,
+ old_flags & MF_GETATTR_LOCK);
+ if (rc) {
+ oa.o_valid = 0;
+ if (rc != -ENOENT)
+ CERROR("inode_getattr failed (%d): unable to "
+ "send a Size-on-MDS attribute update "
+ "for inode %llu/%lu\n", rc,
+ (long long)llu_i2stat(inode)->st_ino,
+ lli->lli_st_generation);
+ } else {
+ CDEBUG(D_INODE, "Size-on-MDS update on "DFID"\n",
+ PFID(&lli->lli_fid));
+ }
+
+ /* Install attributes into op_data. */
+ md_from_obdo(op_data, &oa, oa.o_valid);
+ }
+
+ rc = llu_md_setattr(inode, op_data, NULL);
+ RETURN(rc);
+}
+
+void llu_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
+ struct lustre_handle *fh)
+{
+ struct llu_inode_info *lli = llu_i2info(inode);
+ struct intnl_stat *st = llu_i2stat(inode);
+ ENTRY;
+
+ op_data->op_fid1 = lli->lli_fid;
+ op_data->op_attr.ia_atime = st->st_atime;
+ op_data->op_attr.ia_mtime = st->st_mtime;
+ op_data->op_attr.ia_ctime = st->st_ctime;
+ op_data->op_attr.ia_size = st->st_size;
+ op_data->op_attr_blocks = st->st_blocks;
+ op_data->op_attr.ia_attr_flags = lli->lli_st_flags;
+ op_data->op_ioepoch = lli->lli_ioepoch;
+ if (fh)
+ op_data->op_handle = *fh;
+ EXIT;
+}
+
+/** Pack SOM attributes info @opdata for CLOSE, DONE_WRITING rpc. */
+void llu_done_writing_attr(struct inode *inode, struct md_op_data *op_data)
+{
+ struct llu_inode_info *lli = llu_i2info(inode);
+ ENTRY;
+
+ op_data->op_flags |= MF_SOM_CHANGE;
+
+ /* Pack Size-on-MDS attributes if we are in IO
+ * epoch and attributes are valid. */
+ LASSERT(!(lli->lli_flags & LLIF_MDS_SIZE_LOCK));
+ if (!cl_local_size(inode))
+ op_data->op_attr.ia_valid |= ATTR_MTIME_SET | ATTR_CTIME_SET |
+ ATTR_ATIME_SET | ATTR_SIZE | ATTR_BLOCKS;
+
+ EXIT;
+}
+
+static void llu_prepare_close(struct inode *inode, struct md_op_data *op_data,
+ struct ll_file_data *fd)
+{
+ struct obd_client_handle *och = &fd->fd_mds_och;
+
+ op_data->op_attr.ia_valid = ATTR_MODE | ATTR_ATIME_SET |
+ ATTR_MTIME_SET | ATTR_CTIME_SET;
+
+ if (fd->fd_flags & FMODE_WRITE) {
+ struct llu_sb_info *sbi = llu_i2sbi(inode);
+ if (!(sbi->ll_lco.lco_flags & OBD_CONNECT_SOM) ||
+ !S_ISREG(llu_i2stat(inode)->st_mode)) {
+ op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
+ } else {
+ /* Inode cannot be dirty. Close the epoch. */
+ op_data->op_flags |= MF_EPOCH_CLOSE;
+ /* XXX: Send SOM attributes only if they are really
+ * changed. */
+ llu_done_writing_attr(inode, op_data);
+ }
+ }
+ llu_pack_inode2opdata(inode, op_data, &och->och_fh);
+ llu_prep_md_op_data(op_data, inode, NULL, NULL,
+ 0, 0, LUSTRE_OPC_ANY);
}
-int llu_mdc_close(struct obd_export *mdc_exp, struct inode *inode)
+int llu_md_close(struct obd_export *md_exp, struct inode *inode)
{
struct llu_inode_info *lli = llu_i2info(inode);
struct ll_file_data *fd = lli->lli_file_data;
struct ptlrpc_request *req = NULL;
struct obd_client_handle *och = &fd->fd_mds_och;
- struct obdo obdo;
- int rc, valid;
+ struct intnl_stat *st = llu_i2stat(inode);
+ struct md_op_data op_data = { { 0 } };
+ int rc;
ENTRY;
/* clear group lock, if present */
- if (fd->fd_flags & LL_FILE_CW_LOCKED) {
- struct lov_stripe_md *lsm = llu_i2info(inode)->lli_smd;
- fd->fd_flags &= ~(LL_FILE_CW_LOCKED|LL_FILE_IGNORE_LOCK);
- rc = llu_extent_unlock(fd, inode, lsm, LCK_CW, &fd->fd_cwlockh);
- }
+ if (fd->fd_flags & LL_FILE_GROUP_LOCKED)
+ llu_put_grouplock(inode, fd->fd_grouplock.cg_gid);
- valid = OBD_MD_FLID;
- if (test_bit(LLI_F_HAVE_OST_SIZE_LOCK, &lli->lli_flags))
- valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
-
- memset(&obdo, 0, sizeof(obdo));
- obdo.o_id = lli->lli_st_ino;
- obdo.o_mode = lli->lli_st_mode;
- obdo.o_size = lli->lli_st_size;
- obdo.o_blocks = lli->lli_st_blocks;
- if (0 /* ll_is_inode_dirty(inode) */) {
- obdo.o_flags = MDS_BFLAG_UNCOMMITTED_WRITES;
- valid |= OBD_MD_FLFLAGS;
- }
- obdo.o_valid = valid;
- rc = mdc_close(mdc_exp, &obdo, och, &req);
- if (rc == EAGAIN) {
+ llu_prepare_close(inode, &op_data, fd);
+ rc = md_close(md_exp, &op_data, och->och_mod, &req);
+ if (rc == -EAGAIN) {
/* We are the last writer, so the MDS has instructed us to get
* the file size and any write cookies, then close again. */
- //ll_queue_done_writing(inode);
- rc = 0;
+ LASSERT(lli->lli_open_flags & FMODE_WRITE);
+ rc = llu_som_update(inode, &op_data);
+ if (rc) {
+ CERROR("inode %llu mdc Size-on-MDS update failed: "
+ "rc = %d\n", (long long)st->st_ino, rc);
+ rc = 0;
+ }
} else if (rc) {
- CERROR("inode %lu close failed: rc = %d\n", lli->lli_st_ino, rc);
+ CERROR("inode %llu close failed: rc %d\n",
+ (long long)st->st_ino, rc);
} else {
rc = llu_objects_destroy(req, inode);
if (rc)
- CERROR("inode %lu ll_objects destroy: rc = %d\n",
- lli->lli_st_ino, rc);
+ CERROR("inode %llu ll_objects destroy: rc = %d\n",
+ (long long)st->st_ino, rc);
}
- mdc_clear_open_replay_data(och);
+ md_clear_open_replay_data(md_exp, och);
ptlrpc_req_finished(req);
och->och_fh.cookie = DEAD_HANDLE_MAGIC;
lli->lli_file_data = NULL;
int rc = 0, rc2;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%lu\n", lli->lli_st_ino,
- lli->lli_st_generation);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu/%lu\n",
+ (long long)llu_i2stat(inode)->st_ino, lli->lli_st_generation);
if (llu_is_root_inode(inode))
RETURN(0);
if (!fd) /* no process opened the file after an mcreate */
RETURN(0);
- rc2 = llu_mdc_close(sbi->ll_mdc_exp, inode);
+ rc2 = llu_md_close(sbi->ll_md_exp, inode);
if (rc2 && !rc)
rc = rc2;
RETURN(rc);
}
+/*
+ * libsysio require us return 0
+ */
int llu_iop_close(struct inode *inode)
{
int rc;
+ liblustre_wait_event(0);
+
rc = llu_file_release(inode);
+ if (rc) {
+ CERROR("file close error %d\n", rc);
+ }
/* if open count == 0 && stale_flag is set, should we
* remove the inode immediately? */
- return rc;
+ liblustre_wait_idle();
+ return 0;
}
-int llu_iop_ipreadv(struct inode *ino,
- struct ioctx *ioctx)
+_SYSIO_OFF_T llu_iop_pos(struct inode *ino, _SYSIO_OFF_T off)
{
ENTRY;
- if (!ioctx->ioctx_iovlen)
- RETURN(0);
- if (ioctx->ioctx_iovlen < 0)
- RETURN(-EINVAL);
-
- ioctx->ioctx_private = llu_file_read(ino,
- ioctx->ioctx_iovec,
- ioctx->ioctx_iovlen,
- ioctx->ioctx_offset);
- if (IS_ERR(ioctx->ioctx_private))
- return (PTR_ERR(ioctx->ioctx_private));
-
- RETURN(0);
-}
+ liblustre_wait_event(0);
-int llu_iop_ipwritev(struct inode *ino,
- struct ioctx *ioctx)
-{
- ENTRY;
-
- if (!ioctx->ioctx_iovlen)
- RETURN(0);
- if (ioctx->ioctx_iovlen < 0)
+ if (off < 0 || off > ll_file_maxbytes(ino))
RETURN(-EINVAL);
- ioctx->ioctx_private = llu_file_write(ino,
- ioctx->ioctx_iovec,
- ioctx->ioctx_iovlen,
- ioctx->ioctx_offset);
- if (IS_ERR(ioctx->ioctx_private))
- return (PTR_ERR(ioctx->ioctx_private));
-
- RETURN(0);
-}
-
-/* this isn't where truncate starts. roughly:
- * sys_truncate->ll_setattr_raw->vmtruncate->ll_truncate
- * we grab the lock back in setattr_raw to avoid races. */
-static void llu_truncate(struct inode *inode)
-{
- struct llu_inode_info *lli = llu_i2info(inode);
- struct lov_stripe_md *lsm = lli->lli_smd;
- struct obdo oa = {0};
- int err;
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%lu\n", lli->lli_st_ino,
- lli->lli_st_generation);
-
- if (!lsm) {
- CERROR("truncate on inode %lu with no objects\n", lli->lli_st_ino);
- EXIT;
- return;
- }
-
- oa.o_id = lsm->lsm_object_id;
- oa.o_valid = OBD_MD_FLID;
- obdo_from_inode(&oa, inode, OBD_MD_FLTYPE|OBD_MD_FLMODE|OBD_MD_FLATIME|
- OBD_MD_FLMTIME | OBD_MD_FLCTIME);
-
- CDEBUG(D_INFO, "calling punch for "LPX64" (all bytes after %Lu)\n",
- oa.o_id, lli->lli_st_size);
-
- /* truncate == punch from new size to absolute end of file */
- err = obd_punch(llu_i2obdexp(inode), &oa, lsm, lli->lli_st_size,
- OBD_OBJECT_EOF, NULL);
- if (err)
- CERROR("obd_truncate fails (%d) ino %lu\n", err, lli->lli_st_ino);
- else
- obdo_to_inode(inode, &oa, OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
- OBD_MD_FLATIME | OBD_MD_FLMTIME |
- OBD_MD_FLCTIME);
-
- EXIT;
- return;
-}
-
-int llu_vmtruncate(struct inode * inode, loff_t offset)
-{
- struct llu_inode_info *lli = llu_i2info(inode);
-
- lli->lli_st_size = offset;
-
- llu_truncate(inode);
-
- return 0;
+ RETURN(off);
}