-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of 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.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source 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
*
- * In either case, 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
- * license text 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDC
-#ifdef __KERNEL__
-#ifdef HAVE_KERNEL_CONFIG_H
-# include <linux/config.h>
-#endif
-# include <linux/module.h>
-# include <linux/kernel.h>
-#else
-# include <liblustre.h>
-#endif
+#include <linux/module.h>
+#include <linux/kernel.h>
#include <obd_class.h>
#include "mdc_internal.h"
#include <lustre_fid.h>
/* mdc_setattr does its own semaphore handling */
-static int mdc_reint(struct ptlrpc_request *request,
- struct mdc_rpc_lock *rpc_lock, int level)
+static int mdc_reint(struct ptlrpc_request *request, int level)
{
int rc;
request->rq_send_state = level;
- mdc_get_rpc_lock(rpc_lock, NULL);
- rc = ptlrpc_queue_wait(request);
- mdc_put_rpc_lock(rpc_lock, NULL);
+ mdc_get_mod_rpc_slot(request, NULL);
+ rc = ptlrpc_queue_wait(request);
+ mdc_put_mod_rpc_slot(request, NULL);
if (rc)
CDEBUG(D_INFO, "error in handling %d\n", rc);
- else if (!lustre_swab_repbuf(request, REPLY_REC_OFF,
- sizeof(struct mdt_body),
- lustre_swab_mdt_body)) {
- CERROR ("Can't unpack mdt_body\n");
+ else if (!req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY)) {
rc = -EPROTO;
}
return rc;
/* Find and cancel locally locks matched by inode @bits & @mode in the resource
* found by @fid. Found locks are added into @cancel list. Returns the amount of
* locks added to @cancels list. */
-int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
- struct list_head *cancels, ldlm_mode_t mode,
+int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid,
+ struct list_head *cancels, ldlm_mode_t mode,
__u64 bits)
{
- ldlm_policy_data_t policy = {{0}};
- struct ldlm_res_id res_id;
- struct ldlm_resource *res;
- int count;
- ENTRY;
-
- fid_build_reg_res_name(fid, &res_id);
- res = ldlm_resource_get(exp->exp_obd->obd_namespace,
- NULL, &res_id, 0, 0);
- if (res == NULL)
- RETURN(0);
-
- /* Initialize ibits lock policy. */
- policy.l_inodebits.bits = bits;
- count = ldlm_cancel_resource_local(res, cancels, &policy,
- mode, 0, 0, NULL);
- ldlm_resource_putref(res);
- RETURN(count);
+ struct ldlm_namespace *ns = exp->exp_obd->obd_namespace;
+ ldlm_policy_data_t policy = { {0} };
+ struct ldlm_res_id res_id;
+ struct ldlm_resource *res;
+ int count;
+ ENTRY;
+
+ /* Return, i.e. cancel nothing, only if ELC is supported (flag in
+ * export) but disabled through procfs (flag in NS).
+ *
+ * This distinguishes from a case when ELC is not supported originally,
+ * when we still want to cancel locks in advance and just cancel them
+ * locally, without sending any RPC. */
+ if (exp_connect_cancelset(exp) && !ns_connect_cancelset(ns))
+ RETURN(0);
+
+ fid_build_reg_res_name(fid, &res_id);
+ res = ldlm_resource_get(exp->exp_obd->obd_namespace,
+ NULL, &res_id, 0, 0);
+ if (IS_ERR(res))
+ RETURN(0);
+ LDLM_RESOURCE_ADDREF(res);
+ /* Initialize ibits lock policy. */
+ policy.l_inodebits.bits = bits;
+ count = ldlm_cancel_resource_local(res, cancels, &policy,
+ mode, 0, 0, NULL);
+ LDLM_RESOURCE_DELREF(res);
+ ldlm_resource_putref(res);
+ RETURN(count);
}
-/* If mdc_setattr is called with an 'iattr', then it is a normal RPC that
- * should take the normal semaphore and go to the normal portal.
- *
- * If it is called with iattr->ia_valid & ATTR_FROM_OPEN, then it is a
- * magic open-path setattr that should take the setattr semaphore and
- * go to the setattr portal. */
int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
- void *ea, int ealen, void *ea2, int ea2len,
- struct ptlrpc_request **request)
+ void *ea, size_t ealen, struct ptlrpc_request **request)
{
- CFS_LIST_HEAD(cancels);
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
struct ptlrpc_request *req;
- struct mdt_rec_setattr *rec;
- struct mdc_rpc_lock *rpc_lock;
- struct obd_device *obd = exp->exp_obd;
- int size[7] = { sizeof(struct ptlrpc_body),
- sizeof(*rec), 0, 0, ealen, ea2len, 0 };
- int count = 0, bufcount = 4, rc;
+ int count = 0, rc;
__u64 bits;
ENTRY;
LASSERT(op_data != NULL);
- size[REQ_REC_OFF + 1] = op_data->op_capa1 ?
- sizeof(struct lustre_capa) : 0;
-
- if (op_data->op_flags & (MF_SOM_CHANGE | MF_EPOCH_OPEN))
- size[REQ_REC_OFF + 2] = sizeof(struct mdt_epoch);
-
- if (ealen > 0) {
- bufcount++;
- if (ea2len > 0)
- bufcount++;
- }
-
bits = MDS_INODELOCK_UPDATE;
if (op_data->op_attr.ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID))
bits |= MDS_INODELOCK_LOOKUP;
- if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
- (fid_is_sane(&op_data->op_fid1)))
- count = mdc_resource_get_unused(exp, &op_data->op_fid1,
- &cancels, LCK_EX, bits);
- if (exp_connect_cancelset(exp) && count) {
- bufcount = 7;
- size[REQ_REC_OFF + 5] = ldlm_request_bufsize(count, MDS_REINT);
- }
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, bufcount, size, NULL);
- if (exp_connect_cancelset(exp) && req)
- ldlm_cli_cancel_list(&cancels, count, req, REQ_REC_OFF + 5, 0);
- else
+ if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
+ (fid_is_sane(&op_data->op_fid1)))
+ count = mdc_resource_get_unused(exp, &op_data->op_fid1,
+ &cancels, LCK_EX, bits);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_REINT_SETATTR);
+ if (req == NULL) {
ldlm_lock_list_put(&cancels, l_bl_ast, count);
-
- if (req == NULL)
RETURN(-ENOMEM);
-
- if (op_data->op_attr.ia_valid & ATTR_FROM_OPEN) {
- req->rq_request_portal = MDS_SETATTR_PORTAL; //XXX FIXME bug 249
- rpc_lock = obd->u.cli.cl_setattr_lock;
- } else {
- rpc_lock = obd->u.cli.cl_rpc_lock;
}
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_EPOCH, RCL_CLIENT, 0);
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT, ealen);
+ req_capsule_set_size(&req->rq_pill, &RMF_LOGCOOKIES, RCL_CLIENT, 0);
+
+ rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
if (op_data->op_attr.ia_valid & (ATTR_MTIME | ATTR_CTIME))
- CDEBUG(D_INODE, "setting mtime %lu, ctime %lu\n",
+ CDEBUG(D_INODE, "setting mtime "CFS_TIME_T
+ ", ctime "CFS_TIME_T"\n",
LTIME_S(op_data->op_attr.ia_mtime),
LTIME_S(op_data->op_attr.ia_ctime));
- mdc_setattr_pack(req, REQ_REC_OFF, op_data, ea, ealen, ea2, ea2len);
+ mdc_setattr_pack(req, op_data, ea, ealen);
- size[REPLY_REC_OFF] = sizeof(struct mdt_body);
- size[REPLY_REC_OFF + 1] = sizeof(struct lustre_capa);
- ptlrpc_req_set_repsize(req, 3, size);
+ ptlrpc_request_set_replen(req);
- rc = mdc_reint(req, rpc_lock, LUSTRE_IMP_FULL);
- *request = req;
- if (rc == -ERESTARTSYS)
+ rc = mdc_reint(req, LUSTRE_IMP_FULL);
+ if (rc == -ERESTARTSYS)
rc = 0;
- RETURN(rc);
+ *request = req;
+
+ RETURN(rc);
}
int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
- const void *data, int datalen, int mode, __u32 uid, __u32 gid,
- __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request)
+ const void *data, size_t datalen,
+ umode_t mode, uid_t uid, gid_t gid,
+ cfs_cap_t cap_effective, __u64 rdev,
+ struct ptlrpc_request **request)
{
- int size[6] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_rec_create),
- 0, op_data->op_namelen + 1, 0, 0 };
- struct obd_device *obd = exp->exp_obd;
- int level, bufcount = 4, rc;
struct ptlrpc_request *req;
- int count = 0;
- CFS_LIST_HEAD(cancels);
+ int level, rc;
+ int count, resends = 0;
+ struct obd_import *import = exp->exp_obd->u.cli.cl_import;
+ int generation = import->imp_generation;
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
ENTRY;
- /* For case if upper layer did not alloc fid, do it now. */
- if (!fid_is_sane(&op_data->op_fid2)) {
- /*
- * mdc_fid_alloc() may return errno 1 in case of switch to new
- * sequence, handle this.
- */
- rc = mdc_fid_alloc(exp, &op_data->op_fid2, op_data);
- if (rc < 0) {
- CERROR("Can't alloc new fid, rc %d\n", rc);
- RETURN(rc);
- }
- }
-
- size[REQ_REC_OFF + 1] = op_data->op_capa1 ?
- sizeof(struct lustre_capa) : 0;
-
- if (data && datalen) {
- size[bufcount] = datalen;
- bufcount++;
- }
-
- if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
+ /* For case if upper layer did not alloc fid, do it now. */
+ if (!fid_is_sane(&op_data->op_fid2)) {
+ /*
+ * mdc_fid_alloc() may return errno 1 in case of switch to new
+ * sequence, handle this.
+ */
+ rc = mdc_fid_alloc(NULL, exp, &op_data->op_fid2, op_data);
+ if (rc < 0)
+ RETURN(rc);
+ }
+
+rebuild:
+ count = 0;
+ if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
(fid_is_sane(&op_data->op_fid1)))
count = mdc_resource_get_unused(exp, &op_data->op_fid1,
&cancels, LCK_EX,
MDS_INODELOCK_UPDATE);
- if (exp_connect_cancelset(exp) && count) {
- bufcount = 6;
- size[REQ_REC_OFF + 4] = ldlm_request_bufsize(count, MDS_REINT);
- }
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, bufcount, size, NULL);
- if (exp_connect_cancelset(exp) && req)
- ldlm_cli_cancel_list(&cancels, count, req, REQ_REC_OFF + 4, 0);
- else
- ldlm_lock_list_put(&cancels, l_bl_ast, count);
- if (req == NULL)
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_REINT_CREATE_RMT_ACL);
+ if (req == NULL) {
+ ldlm_lock_list_put(&cancels, l_bl_ast, count);
RETURN(-ENOMEM);
+ }
+
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
+ op_data->op_namelen + 1);
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
+ data && datalen ? datalen : 0);
+
+ rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
/*
* mdc_create_pack() fills msg->bufs[1] with name and msg->bufs[2] with
* tgt, for symlinks or lov MD data.
*/
- mdc_create_pack(req, REQ_REC_OFF, op_data, data, datalen, mode, uid,
+ mdc_create_pack(req, op_data, data, datalen, mode, uid,
gid, cap_effective, rdev);
- size[REPLY_REC_OFF] = sizeof(struct mdt_body);
- size[REPLY_REC_OFF + 1] = sizeof(struct lustre_capa);
- ptlrpc_req_set_repsize(req, 3, size);
+ ptlrpc_request_set_replen(req);
+ /* ask ptlrpc not to resend on EINPROGRESS since we have our own retry
+ * logic here */
+ req->rq_no_retry_einprogress = 1;
+
+ if (resends) {
+ req->rq_generation_set = 1;
+ req->rq_import_generation = generation;
+ req->rq_sent = cfs_time_current_sec() + resends;
+ }
level = LUSTRE_IMP_FULL;
resend:
- rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, level);
-
+ rc = mdc_reint(req, level);
+
/* Resend if we were told to. */
if (rc == -ERESTARTSYS) {
level = LUSTRE_IMP_RECOVER;
goto resend;
- } else if (rc == 0) {
- struct mdt_body *body;
- struct lustre_capa *capa;
-
- body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*body));
- LASSERT(body);
- if (body->valid & OBD_MD_FLMDSCAPA) {
- capa = lustre_unpack_capa(req->rq_repmsg,
- REPLY_REC_OFF + 1);
- if (capa == NULL) {
- CERROR("Missing/short MDS capability\n");
- rc = -EPROTO;
- }
+ } else if (rc == -EINPROGRESS) {
+ /* Retry create infinitely until succeed or get other
+ * error code. */
+ ptlrpc_req_finished(req);
+ resends++;
+
+ CDEBUG(D_HA, "%s: resend:%d create on "DFID"/"DFID"\n",
+ exp->exp_obd->obd_name, resends,
+ PFID(&op_data->op_fid1), PFID(&op_data->op_fid2));
+
+ if (generation == import->imp_generation) {
+ goto rebuild;
+ } else {
+ CDEBUG(D_HA, "resend cross eviction\n");
+ RETURN(-EIO);
}
}
int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
- CFS_LIST_HEAD(cancels);
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
struct obd_device *obd = class_exp2obd(exp);
struct ptlrpc_request *req = *request;
- int size[5] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_rec_unlink),
- 0, op_data->op_namelen + 1, 0 };
- int count = 0, rc, bufcount = 4;
+ int count = 0, rc;
ENTRY;
LASSERT(req == NULL);
- size[REQ_REC_OFF + 1] = op_data->op_capa1 ?
- sizeof(struct lustre_capa) : 0;
-
- if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
- (fid_is_sane(&op_data->op_fid1)))
- count = mdc_resource_get_unused(exp, &op_data->op_fid1,
- &cancels, LCK_EX,
- MDS_INODELOCK_UPDATE);
- if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
- (fid_is_sane(&op_data->op_fid3)))
- count += mdc_resource_get_unused(exp, &op_data->op_fid3,
- &cancels, LCK_EX,
- MDS_INODELOCK_FULL);
- if (exp_connect_cancelset(exp) && count) {
- bufcount = 5;
- size[REQ_REC_OFF + 3] = ldlm_request_bufsize(count, MDS_REINT);
- }
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, bufcount, size, NULL);
- if (exp_connect_cancelset(exp) && req)
- ldlm_cli_cancel_list(&cancels, count, req, REQ_REC_OFF + 3, 0);
- else
+ if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
+ (fid_is_sane(&op_data->op_fid1)))
+ count = mdc_resource_get_unused(exp, &op_data->op_fid1,
+ &cancels, LCK_EX,
+ MDS_INODELOCK_UPDATE);
+ if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
+ (fid_is_sane(&op_data->op_fid3)))
+ count += mdc_resource_get_unused(exp, &op_data->op_fid3,
+ &cancels, LCK_EX,
+ MDS_INODELOCK_FULL);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_REINT_UNLINK);
+ if (req == NULL) {
ldlm_lock_list_put(&cancels, l_bl_ast, count);
-
- if (req == NULL)
RETURN(-ENOMEM);
- *request = req;
+ }
+
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
+ op_data->op_namelen + 1);
- size[REPLY_REC_OFF] = sizeof(struct mdt_body);
- size[REPLY_REC_OFF + 1] = obd->u.cli.cl_max_mds_easize;
- size[REPLY_REC_OFF + 2] = obd->u.cli.cl_max_mds_cookiesize;
- ptlrpc_req_set_repsize(req, 4, size);
+ rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- mdc_unlink_pack(req, REQ_REC_OFF, op_data);
+ mdc_unlink_pack(req, op_data);
- rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
+ obd->u.cli.cl_default_mds_easize);
+ ptlrpc_request_set_replen(req);
+
+ *request = req;
+
+ rc = mdc_reint(req, LUSTRE_IMP_FULL);
if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);
int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
- CFS_LIST_HEAD(cancels);
- struct obd_device *obd = exp->exp_obd;
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
struct ptlrpc_request *req;
- int size[6] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_rec_link),
- 0, 0, op_data->op_namelen + 1, 0 };
- int count = 0, rc, bufcount = 5;
+ int count = 0, rc;
ENTRY;
- size[REQ_REC_OFF + 1] = op_data->op_capa1 ?
- sizeof(struct lustre_capa) : 0;
- size[REQ_REC_OFF + 2] = op_data->op_capa2 ?
- sizeof(struct lustre_capa) : 0;
-
if ((op_data->op_flags & MF_MDC_CANCEL_FID2) &&
(fid_is_sane(&op_data->op_fid2)))
count = mdc_resource_get_unused(exp, &op_data->op_fid2,
count += mdc_resource_get_unused(exp, &op_data->op_fid1,
&cancels, LCK_EX,
MDS_INODELOCK_UPDATE);
- if (exp_connect_cancelset(exp) && count) {
- bufcount = 6;
- size[REQ_REC_OFF + 4] = ldlm_request_bufsize(count, MDS_REINT);
- }
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, bufcount, size, NULL);
- if (exp_connect_cancelset(exp) && req)
- ldlm_cli_cancel_list(&cancels, count, req, REQ_REC_OFF + 4, 0);
- else
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_REINT_LINK);
+ if (req == NULL) {
ldlm_lock_list_put(&cancels, l_bl_ast, count);
-
- if (req == NULL)
RETURN(-ENOMEM);
+ }
+
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
+ op_data->op_namelen + 1);
- mdc_link_pack(req, REQ_REC_OFF, op_data);
+ rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- size[REPLY_REC_OFF] = sizeof(struct mdt_body);
- ptlrpc_req_set_repsize(req, 2, size);
+ mdc_link_pack(req, op_data);
+ ptlrpc_request_set_replen(req);
- rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
+ rc = mdc_reint(req, LUSTRE_IMP_FULL);
*request = req;
if (rc == -ERESTARTSYS)
rc = 0;
}
int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
- const char *old, int oldlen, const char *new, int newlen,
- struct ptlrpc_request **request)
+ const char *old, size_t oldlen, const char *new, size_t newlen,
+ struct ptlrpc_request **request)
{
- CFS_LIST_HEAD(cancels);
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
struct obd_device *obd = exp->exp_obd;
struct ptlrpc_request *req;
- int size[7] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_rec_rename),
- 0, 0, oldlen + 1, newlen + 1, 0 };
- int count = 0, rc, bufcount = 6;
+ int count = 0, rc;
ENTRY;
- size[REQ_REC_OFF + 1] = op_data->op_capa1 ?
- sizeof(struct lustre_capa) : 0;
- size[REQ_REC_OFF + 2] = op_data->op_capa2 ?
- sizeof(struct lustre_capa) : 0;
-
if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
(fid_is_sane(&op_data->op_fid1)))
count = mdc_resource_get_unused(exp, &op_data->op_fid1,
count += mdc_resource_get_unused(exp, &op_data->op_fid2,
&cancels, LCK_EX,
MDS_INODELOCK_UPDATE);
- if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
+ if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
(fid_is_sane(&op_data->op_fid3)))
count += mdc_resource_get_unused(exp, &op_data->op_fid3,
&cancels, LCK_EX,
count += mdc_resource_get_unused(exp, &op_data->op_fid4,
&cancels, LCK_EX,
MDS_INODELOCK_FULL);
- if (exp_connect_cancelset(exp) && count) {
- bufcount = 7;
- size[REQ_REC_OFF + 5] = ldlm_request_bufsize(count, MDS_REINT);
- }
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, bufcount, size, NULL);
- if (exp_connect_cancelset(exp) && req)
- ldlm_cli_cancel_list(&cancels, count, req, REQ_REC_OFF + 5, 0);
- else
- ldlm_lock_list_put(&cancels, l_bl_ast, count);
- if (req == NULL)
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_REINT_RENAME);
+ if (req == NULL) {
+ ldlm_lock_list_put(&cancels, l_bl_ast, count);
RETURN(-ENOMEM);
+ }
+
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT, oldlen + 1);
+ req_capsule_set_size(&req->rq_pill, &RMF_SYMTGT, RCL_CLIENT, newlen+1);
+
+ rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ if (exp_connect_cancelset(exp) && req)
+ ldlm_cli_cancel_list(&cancels, count, req, 0);
- mdc_rename_pack(req, REQ_REC_OFF, op_data, old, oldlen, new, newlen);
+ mdc_rename_pack(req, op_data, old, oldlen, new, newlen);
- size[REPLY_REC_OFF] = sizeof(struct mdt_body);
- size[REPLY_REC_OFF + 1] = obd->u.cli.cl_max_mds_easize;
- size[REPLY_REC_OFF + 2] = obd->u.cli.cl_max_mds_cookiesize;
- ptlrpc_req_set_repsize(req, 4, size);
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
+ obd->u.cli.cl_default_mds_easize);
+ ptlrpc_request_set_replen(req);
- rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
+ rc = mdc_reint(req, LUSTRE_IMP_FULL);
*request = req;
if (rc == -ERESTARTSYS)
rc = 0;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff