*
* Copyright (C) 2001-2003 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.sf.net/projects/lustre/
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * 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 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.
*
- * 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.
+ * 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*/
#ifndef EXPORT_SYMTAB
#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/obd_class.h>
-#include <linux/lustre_mds.h>
+#include <obd_class.h>
#include "mdc_internal.h"
/* mdc_setattr does its own semaphore handling */
-int mdc_reint(struct ptlrpc_request *request,
- struct mdc_rpc_lock *rpc_lock, int level)
+static int mdc_reint(struct ptlrpc_request *request,
+ struct mdc_rpc_lock *rpc_lock, int level)
{
int rc;
request->rq_send_state = level;
-
- if (rpc_lock)
- mdc_get_rpc_lock(rpc_lock, NULL);
-
+
+ mdc_get_rpc_lock(rpc_lock, NULL);
rc = ptlrpc_queue_wait(request);
-
- if (rpc_lock)
- mdc_put_rpc_lock(rpc_lock, NULL);
+ mdc_put_rpc_lock(rpc_lock, NULL);
if (rc)
CDEBUG(D_INFO, "error in handling %d\n", rc);
- else if (!lustre_swab_repbuf(request, 0, sizeof(struct mds_body),
- lustre_swab_mds_body)) {
- CERROR ("Can't unpack mds_body\n");
+ else if (!lustre_swab_repbuf(request, REPLY_REC_OFF,
+ sizeof(struct mdt_body),
+ lustre_swab_mdt_body)) {
+ CERROR ("Can't unpack mdt_body\n");
rc = -EPROTO;
}
return rc;
}
-EXPORT_SYMBOL(mdc_reint);
+
/* 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 mdc_op_data *data,
- struct iattr *iattr, void *ea, int ealen, void *ea2, int ea2len,
+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)
{
struct ptlrpc_request *req;
- struct mds_rec_setattr *rec;
+ struct mdt_rec_setattr *rec;
struct mdc_rpc_lock *rpc_lock;
struct obd_device *obd = exp->exp_obd;
- int rc, bufcount = 2, size[4] = {0, sizeof(*rec), ealen, ea2len};
+ int size[6] = { sizeof(struct ptlrpc_body),
+ sizeof(*rec), 0, 0, ealen, ea2len };
+ int bufcount = 4, rc;
ENTRY;
- LASSERT(iattr != NULL);
+ 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);
- size[0] = mdc_get_secdesc_size();
if (ealen > 0) {
bufcount++;
if (ea2len > 0)
if (req == NULL)
RETURN(-ENOMEM);
- mdc_pack_secdesc(req, size[0]);
-
- if (iattr->ia_valid & ATTR_FROM_OPEN) {
+ 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;
}
- if (iattr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
+ if (op_data->op_attr.ia_valid & (ATTR_MTIME | ATTR_CTIME))
CDEBUG(D_INODE, "setting mtime %lu, ctime %lu\n",
- LTIME_S(iattr->ia_mtime), LTIME_S(iattr->ia_ctime));
- mdc_setattr_pack(req->rq_reqmsg, 1, data, iattr, ea, ealen,
- ea2, ea2len);
+ 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);
- size[0] = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, size);
+ size[REPLY_REC_OFF] = sizeof(struct mdt_body);
+ size[REPLY_REC_OFF + 1] = sizeof(struct lustre_capa);
+ ptlrpc_req_set_repsize(req, 3, size);
rc = mdc_reint(req, rpc_lock, LUSTRE_IMP_FULL);
*request = req;
RETURN(rc);
}
-int mdc_create(struct obd_export *exp, struct mdc_op_data *op_data,
+int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
const void *data, int datalen, int mode, __u32 uid, __u32 gid,
- __u64 rdev, struct ptlrpc_request **request)
+ __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request)
{
+ int size[5] = { sizeof(struct ptlrpc_body),
+ sizeof(struct mdt_rec_create),
+ 0, op_data->op_namelen + 1 };
struct obd_device *obd = exp->exp_obd;
+ int level, bufcount = 4, rc;
struct ptlrpc_request *req;
- int rc, size[4] = {0, sizeof(struct mds_rec_create),
- op_data->namelen + 1};
- int level, bufcount = 3;
ENTRY;
- size[0] = mdc_get_secdesc_size();
+ /* 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 (req == NULL)
RETURN(-ENOMEM);
- mdc_pack_secdesc(req, size[0]);
-
- /* 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->rq_reqmsg, 1, op_data, mode, rdev, data, datalen);
+ /*
+ * 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,
+ gid, cap_effective, rdev);
- size[0] = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, size);
+ size[REPLY_REC_OFF] = sizeof(struct mdt_body);
+ size[REPLY_REC_OFF + 1] = sizeof(struct lustre_capa);
+ ptlrpc_req_set_repsize(req, 3, size);
level = LUSTRE_IMP_FULL;
resend:
rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, 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;
+ }
+ }
}
- if (!rc)
- mdc_store_inode_generation(exp, req, MDS_REQ_REC_OFF, 0);
-
*request = req;
RETURN(rc);
}
-int mdc_unlink(struct obd_export *exp, struct mdc_op_data *data,
+int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
- struct obd_device *obddev = class_exp2obd(exp);
+ struct obd_device *obd = class_exp2obd(exp);
struct ptlrpc_request *req = *request;
- int rc, size[4] = {0, sizeof(struct mds_rec_unlink),
- data->namelen + 1,
- obddev->u.cli.cl_max_mds_cookiesize};
+ int size[4] = { sizeof(struct ptlrpc_body),
+ sizeof(struct mdt_rec_unlink),
+ 0, op_data->op_namelen + 1 };
+ int rc;
ENTRY;
+
LASSERT(req == NULL);
- size[0] = mdc_get_secdesc_size();
+ size[REQ_REC_OFF + 1] = op_data->op_capa1 ?
+ sizeof(struct lustre_capa) : 0;
req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
MDS_REINT, 4, size, NULL);
if (req == NULL)
RETURN(-ENOMEM);
-
- mdc_pack_secdesc(req, size[0]);
*request = req;
- size[0] = sizeof(struct mds_body);
- size[1] = obddev->u.cli.cl_max_mds_easize;
- size[2] = obddev->u.cli.cl_max_mds_cookiesize;
- req->rq_replen = lustre_msg_size(3, size);
+ 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);
- mdc_unlink_pack(req->rq_reqmsg, 1, data);
+ mdc_unlink_pack(req, REQ_REC_OFF, op_data);
- rc = mdc_reint(req, obddev->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
+ rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);
}
-int mdc_link(struct obd_export *exp, struct mdc_op_data *data,
+int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
struct obd_device *obd = exp->exp_obd;
struct ptlrpc_request *req;
- int rc, size[3] = {0, sizeof(struct mds_rec_link), data->namelen + 1};
+ int size[5] = { sizeof(struct ptlrpc_body),
+ sizeof(struct mdt_rec_link),
+ 0, 0, op_data->op_namelen + 1 };
+ int rc;
ENTRY;
- size[0] = mdc_get_secdesc_size();
+ 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;
req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, 3, size, NULL);
+ MDS_REINT, 5, size, NULL);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_pack_secdesc(req, size[0]);
-
- mdc_link_pack(req->rq_reqmsg, 1, data);
+ mdc_link_pack(req, REQ_REC_OFF, op_data);
- size[0] = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, size);
+ size[REPLY_REC_OFF] = sizeof(struct mdt_body);
+ ptlrpc_req_set_repsize(req, 2, size);
rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
*request = req;
RETURN(rc);
}
-int mdc_rename(struct obd_export *exp, struct mdc_op_data *data,
+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)
{
struct obd_device *obd = exp->exp_obd;
struct ptlrpc_request *req;
- int rc, size[5] = {0, sizeof(struct mds_rec_rename), oldlen + 1,
- newlen + 1, obd->u.cli.cl_max_mds_cookiesize};
+ int size[6] = { sizeof(struct ptlrpc_body),
+ sizeof(struct mdt_rec_rename),
+ 0, 0, oldlen + 1, newlen + 1 };
+ int rc;
ENTRY;
- size[0] = mdc_get_secdesc_size();
+ 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;
req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_REINT, 5, size, NULL);
+ MDS_REINT, 6, size, NULL);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_pack_secdesc(req, size[0]);
-
- mdc_rename_pack(req->rq_reqmsg, 1, data, old, oldlen, new, newlen);
+ mdc_rename_pack(req, REQ_REC_OFF, op_data, old, oldlen, new, newlen);
- size[0] = sizeof(struct mds_body);
- size[1] = obd->u.cli.cl_max_mds_easize;
- size[2] = obd->u.cli.cl_max_mds_cookiesize;
- req->rq_replen = lustre_msg_size(3, size);
+ 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_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
*request = req;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff