/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2004 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.sf.net/projects/lustre/
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef EXPORT_SYMTAB
# include <liblustre.h>
#endif
-#include <linux/obd_class.h>
-#include <linux/lustre_mds.h>
-#include <linux/lustre_dlm.h>
-#include <linux/lustre_sec.h>
-#include <linux/lprocfs_status.h>
-#include <linux/lustre_acl.h>
-#include <linux/lustre_lite.h>
-#include <linux/lustre_gs.h>
+#include <lustre_acl.h>
+#include <obd_class.h>
+#include <lustre_dlm.h>
+#include <lustre_fid.h>
+#include <md_object.h>
+#include <lprocfs_status.h>
+#include <lustre_param.h>
#include "mdc_internal.h"
+#include <lustre/lustre_idl.h>
#define REQUEST_MINOR 244
-static int mdc_cleanup(struct obd_device *obd, int flags);
+static quota_interface_t *quota_interface;
+extern quota_interface_t mdc_quota_interface;
+
+static int mdc_cleanup(struct obd_device *obd);
+
+int mdc_unpack_capa(struct obd_export *exp, struct ptlrpc_request *req,
+ const struct req_msg_field *field, struct obd_capa **oc)
+{
+ struct lustre_capa *capa;
+ struct obd_capa *c;
+ ENTRY;
+
+ /* swabbed already in mdc_enqueue */
+ capa = req_capsule_server_get(&req->rq_pill, field);
+ if (capa == NULL)
+ RETURN(-EPROTO);
+
+ c = alloc_capa(CAPA_SITE_CLIENT);
+ if (IS_ERR(c)) {
+ CDEBUG(D_INFO, "alloc capa failed!\n");
+ RETURN(PTR_ERR(c));
+ } else {
+ c->c_capa = *capa;
+ *oc = c;
+ RETURN(0);
+ }
+}
-extern int mds_queue_req(struct ptlrpc_request *);
/* Helper that implements most of mdc_getstatus and signal_completed_replay. */
/* XXX this should become mdc_get_info("key"), sending MDS_GET_INFO RPC */
-static int send_getstatus(struct obd_import *imp, struct lustre_id *rootid,
- int level, int msg_flags)
+static int send_getstatus(struct obd_import *imp, struct lu_fid *rootfid,
+ struct obd_capa **pc, int level, int msg_flags)
{
struct ptlrpc_request *req;
- struct mds_body *body;
- int rc, size[2] = {0, sizeof(*body)};
+ struct mdt_body *body;
+ int rc;
ENTRY;
- //size[0] = lustre_secdesc_size();
-
- req = ptlrpc_prep_req(imp, LUSTRE_MDS_VERSION, MDS_GETSTATUS,
- 2, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
-
- //lustre_pack_secdesc(req, size[0]);
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_GETSTATUS,
+ LUSTRE_MDS_VERSION, MDS_GETSTATUS);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF, sizeof (*body));
+ mdc_pack_body(req, NULL, NULL, 0, 0, -1, 0);
+ lustre_msg_add_flags(req->rq_reqmsg, msg_flags);
req->rq_send_state = level;
- req->rq_replen = lustre_msg_size(1, &size[1]);
- req->rq_reqmsg->flags |= msg_flags;
- rc = ptlrpc_queue_wait(req);
+ ptlrpc_request_set_replen(req);
- if (!rc) {
- body = lustre_swab_repbuf (req, 0, sizeof (*body),
- lustre_swab_mds_body);
- if (body == NULL) {
- CERROR ("Can't extract mds_body\n");
- GOTO (out, rc = -EPROTO);
- }
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- memcpy(rootid, &body->id1, sizeof(*rootid));
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
- CDEBUG(D_NET, "root ino="LPU64", last_committed="LPU64
- ", last_xid="LPU64"\n", rootid->li_stc.u.e3s.l3s_ino,
- req->rq_repmsg->last_committed, req->rq_repmsg->last_xid);
+ if (body->valid & OBD_MD_FLMDSCAPA) {
+ rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, pc);
+ if (rc)
+ GOTO(out, rc);
}
+ *rootfid = body->fid1;
+ CDEBUG(D_NET,
+ "root fid="DFID", last_committed="LPU64"\n",
+ PFID(rootfid),
+ lustre_msg_get_last_committed(req->rq_repmsg));
EXIT;
- out:
+out:
ptlrpc_req_finished(req);
return rc;
}
-/* This should be mdc_get_info("rootid") */
-int mdc_getstatus(struct obd_export *exp, struct lustre_id *rootid)
+/* This should be mdc_get_info("rootfid") */
+int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid,
+ struct obd_capa **pc)
{
- return send_getstatus(class_exp2cliimp(exp), rootid,
+ return send_getstatus(class_exp2cliimp(exp), rootfid, pc,
LUSTRE_IMP_FULL, 0);
}
-int
-mdc_interpret_getattr(struct ptlrpc_request *req, void *unused, int rc)
+/*
+ * This function now is known to always saying that it will receive 4 buffers
+ * from server. Even for cases when acl_size and md_size is zero, RPC header
+ * will contain 4 fields and RPC itself will contain zero size fields. This is
+ * because mdt_getattr*() _always_ returns 4 fields, but if acl is not needed
+ * and thus zero, it shrinks it, making zero size. The same story about
+ * md_size. And this is course of problem when client waits for smaller number
+ * of fields. This issue will be fixed later when client gets aware of RPC
+ * layouts. --umka
+ */
+static int mdc_getattr_common(struct obd_export *exp,
+ struct ptlrpc_request *req)
{
- struct mds_body *body = NULL;
- struct obd_capa *ocapa;
- struct lustre_capa *capa = NULL;
- unsigned long expiry;
+ struct req_capsule *pill = &req->rq_pill;
+ struct mdt_body *body;
+ void *eadata;
+ int rc;
ENTRY;
- if (rc) {
- DEBUG_REQ(rc == -ENOENT ? D_INFO : D_ERROR , req,
- "async getattr failed: rc = %d", rc);
+ /* Request message already built. */
+ rc = ptlrpc_queue_wait(req);
+ if (rc != 0)
RETURN(rc);
- }
- body = lustre_swab_repbuf(req, 0, sizeof (*body), lustre_swab_mds_body);
- if (body == NULL) {
- CERROR ("Can't unpack mds_body\n");
+ /* sanity check for the reply */
+ body = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ if (body == NULL)
RETURN(-EPROTO);
- }
-
- if (!(body->valid & OBD_MD_CAPA)) {
- CDEBUG(D_INFO, "MDS has disabled capability\n");
- RETURN(0);
- }
- capa = lustre_swab_repbuf(req, 1, sizeof(*capa),
- lustre_swab_lustre_capa);
- if (capa == NULL && rc != 0) {
- CERROR ("Can't unpack lustre_capa\n");
- RETURN(-EPROTO);
- }
+ CDEBUG(D_NET, "mode: %o\n", body->mode);
- ocapa = capa_renew(capa, CLIENT_CAPA);
- if (!ocapa)
- RETURN(-ENOENT);
+ if (body->eadatasize != 0) {
+ mdc_update_max_ea_from_body(exp, body);
- spin_lock(&capa_lock);
- expiry = expiry_to_jiffies(capa->lc_expiry - capa_pre_expiry(capa));
- CDEBUG(D_INFO, "expiry %lu vs timer %lu, base %p\n",
- expiry, ll_capa_timer.expires, ll_capa_timer.base);
- if (time_before(expiry, ll_capa_timer.expires) ||
- !timer_pending(&ll_capa_timer)) {
- mod_timer(&ll_capa_timer, expiry);
- CDEBUG(D_INFO, "ll_capa_timer new expiry: %lu\n", expiry);
+ eadata = req_capsule_server_sized_get(pill, &RMF_MDT_MD,
+ body->eadatasize);
+ if (eadata == NULL)
+ RETURN(-EPROTO);
}
- spin_unlock(&capa_lock);
- RETURN(rc);
-}
+ if (body->valid & OBD_MD_FLRMTPERM) {
+ struct mdt_remote_perm *perm;
-int mdc_getattr_async(struct obd_export *exp, struct ptlrpc_request *req)
-{
- int repsize[2] = {sizeof(struct mds_body), sizeof(struct lustre_capa)};
- ENTRY;
+ LASSERT(client_is_remote(exp));
+ perm = req_capsule_server_swab_get(pill, &RMF_ACL,
+ lustre_swab_mdt_remote_perm);
+ if (perm == NULL)
+ RETURN(-EPROTO);
+ }
- req->rq_replen = lustre_msg_size(2, repsize);
- req->rq_interpret_reply = mdc_interpret_getattr;
- ptlrpcd_add_req(req);
+ if (body->valid & OBD_MD_FLMDSCAPA) {
+ struct lustre_capa *capa;
+ capa = req_capsule_server_get(pill, &RMF_CAPA1);
+ if (capa == NULL)
+ RETURN(-EPROTO);
+ }
- RETURN (0);
+ RETURN(0);
}
-int mdc_getattr_common(struct obd_export *exp, unsigned int ea_size,
- struct ptlrpc_request *req)
+int mdc_getattr(struct obd_export *exp, struct md_op_data *op_data,
+ struct ptlrpc_request **request)
{
- struct mds_body *body, *reqbody;
- void *eadata;
- int rc;
- int repsize[2] = {sizeof(*body)};
- int bufcount = 1;
+ struct ptlrpc_request *req;
+ int rc;
ENTRY;
- /* request message already built */
-
- if (ea_size != 0) {
- repsize[bufcount++] = ea_size;
- CDEBUG(D_INODE, "reserved %u bytes for MD/symlink in packet\n",
- ea_size);
- }
-
- reqbody = lustre_msg_buf(req->rq_reqmsg, 1, sizeof(*reqbody));
- LASSERT(!(reqbody->valid & OBD_MD_FLACL));
-
- if (reqbody->valid & OBD_MD_FLKEY) {
- repsize[bufcount++] = 5;
- repsize[bufcount++] = sizeof(struct lustre_key);
- } else if (reqbody->valid & OBD_MD_CAPA) {
- LASSERT(ea_size == 0);
- repsize[bufcount++] = sizeof(struct lustre_capa);
- }
-
- req->rq_replen = lustre_msg_size(bufcount, repsize);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_GETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
- rc = ptlrpc_queue_wait(req);
- mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
- if (rc != 0)
- RETURN (rc);
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- body = lustre_swab_repbuf (req, 0, sizeof (*body),
- lustre_swab_mds_body);
- if (body == NULL) {
- CERROR ("Can't unpack mds_body\n");
- RETURN (-EPROTO);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- CDEBUG(D_NET, "mode: %o\n", body->mode);
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
+ op_data->op_valid, op_data->op_mode, -1, 0);
- LASSERT_REPSWAB (req, 1);
-
- /* Skip the check if getxattr/listxattr are called with no buffers */
- if ((reqbody->eadatasize != 0) &&
- !(reqbody->valid & (OBD_MD_FLXATTR | OBD_MD_FLXATTRLIST))) {
- /* reply indicates presence of eadata; check it's there... */
- eadata = lustre_msg_buf (req->rq_repmsg, 1,
- body->eadatasize);
- if (eadata == NULL) {
- CERROR ("Missing/short eadata\n");
- RETURN (-EPROTO);
- }
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
+ op_data->op_mode);
+ if (op_data->op_valid & OBD_MD_FLRMTPERM) {
+ LASSERT(client_is_remote(exp));
+ req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER,
+ sizeof(struct mdt_remote_perm));
}
+ ptlrpc_request_set_replen(req);
- RETURN (0);
-}
-
-static int mdc_cancel_unused(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- int flags, void *opaque)
-{
- struct obd_device *obd = class_exp2obd(exp);
-
- ENTRY;
- RETURN(ldlm_cli_cancel_unused(obd->obd_namespace,
- NULL, flags, opaque));
+ rc = mdc_getattr_common(exp, req);
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
-int mdc_getattr(struct obd_export *exp, struct lustre_id *id,
- __u64 valid, const char *xattr_name,
- const void *xattr_data, unsigned int xattr_datalen,
- unsigned int ea_size, struct obd_capa *ocapa,
- struct ptlrpc_request **request)
+int mdc_getattr_name(struct obd_export *exp, struct md_op_data *op_data,
+ struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
- struct mds_body *body;
- int xattr_namelen = xattr_name ? strlen(xattr_name) + 1 : 0;
- int size[4] = {0, sizeof(*body)};
- int bufcount = 2;
- int rc;
+ int rc;
ENTRY;
- size[0] = lustre_secdesc_size();
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_GETATTR_NAME);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- if (valid & OBD_MD_FLXATTR) {
- size[bufcount++] = xattr_namelen;
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
+ op_data->op_namelen + 1);
- if (xattr_datalen > 0) {
- LASSERT(xattr_data);
- size[bufcount++] = xattr_datalen;
- }
- } else if (valid & OBD_MD_CAPA) {
- LASSERT(valid == OBD_MD_CAPA);
- LASSERT(ocapa);
- size[bufcount++] = sizeof(*ocapa);
- } else {
- LASSERT(!xattr_data && !xattr_datalen);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR_NAME);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_GETATTR, bufcount, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
-
- lustre_pack_secdesc(req, size[0]);
-
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF, sizeof (*body));
- memcpy(&body->id1, id, sizeof(*id));
- body->valid = valid;
- body->eadatasize = ea_size;
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
+ op_data->op_valid, op_data->op_mode,
+ op_data->op_suppgids[0], 0);
- if (valid & OBD_MD_FLXATTR) {
- memcpy(lustre_msg_buf(req->rq_reqmsg, 2, xattr_namelen),
- xattr_name, xattr_namelen);
- if (xattr_datalen)
- memcpy(lustre_msg_buf(req->rq_reqmsg, 3, xattr_datalen),
- xattr_data, xattr_datalen);
+ if (op_data->op_name) {
+ char *name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ LASSERT(strnlen(op_data->op_name, op_data->op_namelen) ==
+ op_data->op_namelen);
+ memcpy(name, op_data->op_name, op_data->op_namelen);
}
- if (valid & OBD_MD_CAPA) {
- /* renew capability */
- memcpy(&body->handle, &ocapa->c_handle, sizeof(body->handle));
- memcpy(lustre_msg_buf(req->rq_reqmsg, 2, sizeof(ocapa->c_capa)),
- &ocapa->c_capa, sizeof(ocapa->c_capa));
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
+ op_data->op_mode);
+ ptlrpc_request_set_replen(req);
- rc = mdc_getattr_async(exp, req);
- req = NULL; /* ptlrpcd will finish request */
- } else {
- rc = mdc_getattr_common(exp, ea_size, req);
- if (rc != 0) {
- ptlrpc_req_finished (req);
- req = NULL;
- }
- }
- out:
- *request = req;
- RETURN (rc);
+ rc = mdc_getattr_common(exp, req);
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
-int mdc_access_check(struct obd_export *exp, struct lustre_id *id,
- struct ptlrpc_request **request)
-
+static int mdc_is_subdir(struct obd_export *exp,
+ const struct lu_fid *pfid,
+ const struct lu_fid *cfid,
+ struct ptlrpc_request **request)
{
- struct ptlrpc_request *req;
- struct mds_body *body;
- int size[2] = {0, sizeof(*body)};
- int rc;
- ENTRY;
+ struct ptlrpc_request *req;
+ int rc;
- size[0] = lustre_secdesc_size();
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_ACCESS_CHECK, 2, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
+ ENTRY;
- lustre_pack_secdesc(req, size[0]);
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF, sizeof (*body));
- memcpy(&body->id1, id, sizeof(*id));
+ *request = NULL;
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
+ &RQF_MDS_IS_SUBDIR, LUSTRE_MDS_VERSION,
+ MDS_IS_SUBDIR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- size[0] = sizeof(*body);
- size[1] = sizeof(struct mds_remote_perm);
- req->rq_replen = lustre_msg_size(2, size);
+ mdc_is_subdir_pack(req, pfid, cfid, 0);
+ ptlrpc_request_set_replen(req);
- mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
rc = ptlrpc_queue_wait(req);
- mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
- if (rc != 0) {
- ptlrpc_req_finished (req);
- req = NULL;
- } else {
- body = lustre_swab_repbuf (req, 0, sizeof (*body),
- lustre_swab_mds_body);
- if (body == NULL) {
- CERROR ("Can't unpack mds_body\n");
- RETURN (-EPROTO);
- }
- }
-
- out:
- *request = req;
- RETURN (rc);
+ if (rc && rc != -EREMOTE)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
-int mdc_getattr_lock(struct obd_export *exp, struct lustre_id *id,
- char *filename, int namelen, __u64 valid,
- unsigned int ea_size, struct ptlrpc_request **request)
+static int mdc_xattr_common(struct obd_export *exp,const struct req_format *fmt,
+ const struct lu_fid *fid,
+ struct obd_capa *oc, int opcode, obd_valid valid,
+ const char *xattr_name, const char *input,
+ int input_size, int output_size, int flags,
+ __u32 suppgid, struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
- struct mds_body *body;
- int rc, size[3] = {0, sizeof(*body), namelen};
+ int xattr_namelen = 0;
+ char *tmp;
+ int rc;
ENTRY;
- size[0] = lustre_secdesc_size();
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_GETATTR_LOCK, 3, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), fmt);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- lustre_pack_secdesc(req, size[0]);
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
+ if (xattr_name) {
+ xattr_namelen = strlen(xattr_name) + 1;
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
+ xattr_namelen);
+ }
+ if (input_size) {
+ LASSERT(input);
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
+ input_size);
+ }
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF, sizeof (*body));
- memcpy(&body->id1, id, sizeof(*id));
- body->valid = valid;
- body->eadatasize = ea_size;
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, opcode);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- if (filename != NULL) {
- LASSERT (strnlen (filename, namelen) == namelen - 1);
- memcpy(lustre_msg_buf(req->rq_reqmsg, 2, namelen),
- filename, namelen);
+ if (opcode == MDS_REINT) {
+ struct mdt_rec_setxattr *rec;
+
+ CLASSERT(sizeof(struct mdt_rec_setxattr) ==
+ sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
+ rec->sx_opcode = REINT_SETXATTR;
+ /* TODO:
+ * cfs_curproc_fs{u,g}id() should replace
+ * current->fs{u,g}id for portability.
+ */
+ rec->sx_fsuid = cfs_curproc_fsuid();
+ rec->sx_fsgid = cfs_curproc_fsgid();
+ rec->sx_cap = cfs_curproc_cap_pack();
+ rec->sx_suppgid1 = suppgid;
+ rec->sx_suppgid2 = -1;
+ rec->sx_fid = *fid;
+ rec->sx_valid = valid | OBD_MD_FLCTIME;
+ rec->sx_time = cfs_time_current_sec();
+ rec->sx_size = output_size;
+ rec->sx_flags = flags;
+
+ mdc_pack_capa(req, &RMF_CAPA1, oc);
} else {
- LASSERT(namelen == 1);
+ mdc_pack_body(req, fid, oc, valid, output_size, suppgid, flags);
}
- rc = mdc_getattr_common(exp, ea_size, req);
- if (rc != 0) {
- ptlrpc_req_finished (req);
- req = NULL;
+ if (xattr_name) {
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ memcpy(tmp, xattr_name, xattr_namelen);
}
- out:
- *request = req;
+ if (input_size) {
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
+ memcpy(tmp, input, input_size);
+ }
+
+ if (req_capsule_has_field(&req->rq_pill, &RMF_EADATA, RCL_SERVER))
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA,
+ RCL_SERVER, output_size);
+ ptlrpc_request_set_replen(req);
+
+ /* make rpc */
+ if (opcode == MDS_REINT)
+ mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+
+ rc = ptlrpc_queue_wait(req);
+
+ if (opcode == MDS_REINT)
+ mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
RETURN(rc);
}
-/* This should be called with both the request and the reply still packed. */
-int mdc_store_inode_generation(struct obd_export *exp,
- struct ptlrpc_request *req,
- int reqoff, int repoff)
+int mdc_setxattr(struct obd_export *exp, const struct lu_fid *fid,
+ struct obd_capa *oc, obd_valid valid, const char *xattr_name,
+ const char *input, int input_size, int output_size,
+ int flags, __u32 suppgid, struct ptlrpc_request **request)
{
- struct mds_rec_create *rec =
- lustre_msg_buf(req->rq_reqmsg, reqoff, sizeof(*rec));
- struct mds_body *body =
- lustre_msg_buf(req->rq_repmsg, repoff, sizeof(*body));
-
- LASSERT (rec != NULL);
- LASSERT (body != NULL);
+ return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
+ fid, oc, MDS_REINT, valid, xattr_name,
+ input, input_size, output_size, flags,
+ suppgid, request);
+}
- memcpy(&rec->cr_replayid, &body->id1, sizeof(rec->cr_replayid));
- DEBUG_REQ(D_HA, req, "storing generation for ino "DLID4,
- OLID4(&rec->cr_replayid));
- return 0;
+int mdc_getxattr(struct obd_export *exp, const struct lu_fid *fid,
+ struct obd_capa *oc, obd_valid valid, const char *xattr_name,
+ const char *input, int input_size, int output_size,
+ int flags, struct ptlrpc_request **request)
+{
+ return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
+ fid, oc, MDS_GETXATTR, valid, xattr_name,
+ input, input_size, output_size, flags,
+ -1, request);
}
-static
-int mdc_unpack_acl(struct obd_export *exp_lmv, struct ptlrpc_request *req,
- unsigned int offset, struct lustre_md *md)
+#ifdef CONFIG_FS_POSIX_ACL
+static int mdc_unpack_acl(struct ptlrpc_request *req, struct lustre_md *md)
{
- struct posix_acl *acl;
- struct mds_remote_perm *perm;
- int size, rc;
- void *buf;
+ struct req_capsule *pill = &req->rq_pill;
+ struct mdt_body *body = md->body;
+ struct posix_acl *acl;
+ void *buf;
+ int rc;
ENTRY;
-
- if (!(md->body->valid & OBD_MD_FLACL))
+
+ if (!body->aclsize)
RETURN(0);
- if (md->body->valid & OBD_MD_FLRMTACL) {
- offset++; /* first 'size' is not used */
+ buf = req_capsule_server_sized_get(pill, &RMF_ACL, body->aclsize);
- buf = lustre_swab_repbuf(req, offset, sizeof(*perm),
- lustre_swab_remote_perm);
- if (buf == NULL) {
- CERROR("Can't unpack remote perm\n");
- RETURN(-EFAULT);
- }
+ if (!buf)
+ RETURN(-EPROTO);
- OBD_ALLOC(perm, sizeof(*perm));
- if (!perm)
- RETURN(-ENOMEM);
- memcpy(perm, buf, sizeof(*perm));
- md->remote_perm = perm;
- } else {
- size = le32_to_cpu(*(__u32 *) lustre_msg_buf(
- req->rq_repmsg, offset, 4));
- buf = lustre_msg_buf(req->rq_repmsg, offset + 1, size);
-
- acl = posix_acl_from_xattr(buf, size);
- if (IS_ERR(acl)) {
- rc = PTR_ERR(acl);
- CERROR("convert xattr to acl failed: %d\n", rc);
- RETURN(rc);
- } else if (acl) {
- rc = posix_acl_valid(acl);
- if (rc) {
- CERROR("acl valid error: %d\n", rc);
- posix_acl_release(acl);
- RETURN(rc);
- }
- }
+ acl = posix_acl_from_xattr(buf, body->aclsize);
+ if (IS_ERR(acl)) {
+ rc = PTR_ERR(acl);
+ CERROR("convert xattr to acl: %d\n", rc);
+ RETURN(rc);
+ }
- md->posix_acl = acl;
+ rc = posix_acl_valid(acl);
+ if (rc) {
+ CERROR("validate acl: %d\n", rc);
+ posix_acl_release(acl);
+ RETURN(rc);
}
+ md->posix_acl = acl;
RETURN(0);
}
+#else
+#define mdc_unpack_acl(req, md) 0
+#endif
-static int mdc_unpack_gskey(struct obd_export *exp_lmv, struct ptlrpc_request *req,
- unsigned int *offset, struct lustre_md *md)
-{
- int key_off = 0, rc = 0, size = 0;
- void *buf;
-
- key_off = *offset;
- if (md->body->valid & OBD_MD_FLKEY) {
- size = le32_to_cpu(*(__u32 *) lustre_msg_buf(req->rq_repmsg,
- key_off++, 4));
- buf = lustre_msg_buf(req->rq_repmsg, key_off++, size);
-
- CDEBUG(D_INFO, "buf %p key_off %d size %d \n",
- buf, key_off, size);
- md->key = (struct lustre_key *)buf;
- *offset = key_off;
- } else {
- *offset += 2;
- }
- RETURN(rc);
-}
-
-int mdc_req2lustre_md(struct obd_export *exp_lmv, struct ptlrpc_request *req,
- unsigned int offset, struct obd_export *exp_lov,
+int mdc_get_lustre_md(struct obd_export *exp, struct ptlrpc_request *req,
+ struct obd_export *dt_exp, struct obd_export *md_exp,
struct lustre_md *md)
{
- struct lov_mds_md *lmm;
- int rc = 0, reply_off;
+ struct req_capsule *pill = &req->rq_pill;
+ int rc;
ENTRY;
- LASSERT(md != NULL);
+ LASSERT(md);
memset(md, 0, sizeof(*md));
- md->body = lustre_msg_buf(req->rq_repmsg, offset,
- sizeof(*md->body));
- if (!md->body)
- RETURN(-ENOMEM);
+ md->body = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ LASSERT(md->body != NULL);
- LASSERT_REPSWABBED(req, offset);
+ if (md->body->valid & OBD_MD_FLEASIZE) {
+ int lmmsize;
+ struct lov_mds_md *lmm;
- if (!(md->body->valid & OBD_MD_FLEASIZE) &&
- !(md->body->valid & OBD_MD_FLDIREA))
- RETURN(0);
+ if (!S_ISREG(md->body->mode)) {
+ CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, should be a "
+ "regular file, but is not\n");
+ GOTO(out, rc = -EPROTO);
+ }
- if (S_ISREG(md->body->mode)) {
if (md->body->eadatasize == 0) {
- CERROR("invalid EA size (0) is detected\n");
- RETURN(-EPROTO);
+ CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, "
+ "but eadatasize 0\n");
+ GOTO(out, rc = -EPROTO);
}
-
- lmm = lustre_msg_buf(req->rq_repmsg, offset + 1,
- md->body->eadatasize);
+ lmmsize = md->body->eadatasize;
+ lmm = req_capsule_server_sized_get(pill, &RMF_MDT_MD, lmmsize);
if (!lmm)
- RETURN(-EINVAL);
+ GOTO(out, rc = -EPROTO);
- LASSERT(exp_lov != NULL);
-
- rc = obd_unpackmd(exp_lov, &md->lsm, lmm,
- md->body->eadatasize);
- if (rc > 0) {
- LASSERT(rc >= sizeof(*md->lsm));
- rc = 0;
+ rc = obd_unpackmd(dt_exp, &md->lsm, lmm, lmmsize);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ if (rc < sizeof(*md->lsm)) {
+ CDEBUG(D_INFO, "lsm size too small: "
+ "rc < sizeof (*md->lsm) (%d < %d)\n",
+ rc, (int)sizeof(*md->lsm));
+ GOTO(out, rc = -EPROTO);
}
- } else if (S_ISDIR(md->body->mode)) {
- /* dir can be non-splitted */
- if (md->body->eadatasize == 0)
- RETURN(0);
- lmm = lustre_msg_buf(req->rq_repmsg, offset + 1,
- md->body->eadatasize);
- if (!lmm)
- RETURN(-EINVAL);
+ } else if (md->body->valid & OBD_MD_FLDIREA) {
+ int lmvsize;
+ struct lov_mds_md *lmv;
+
+ if(!S_ISDIR(md->body->mode)) {
+ CDEBUG(D_INFO, "OBD_MD_FLDIREA set, should be a "
+ "directory, but is not\n");
+ GOTO(out, rc = -EPROTO);
+ }
+ if (md->body->eadatasize == 0) {
+ CDEBUG(D_INFO, "OBD_MD_FLDIREA is set, "
+ "but eadatasize 0\n");
+ RETURN(-EPROTO);
+ }
if (md->body->valid & OBD_MD_MEA) {
- LASSERT(exp_lmv != NULL);
-
- rc = obd_unpackmd(exp_lmv, (void *)&md->mea,
- lmm, md->body->eadatasize);
- if (rc > 0) {
- LASSERT(rc >= sizeof(*md->mea));
- rc = 0;
+ lmvsize = md->body->eadatasize;
+ lmv = req_capsule_server_sized_get(pill, &RMF_MDT_MD,
+ lmvsize);
+ if (!lmv)
+ GOTO(out, rc = -EPROTO);
+
+ rc = obd_unpackmd(md_exp, (void *)&md->mea, lmv,
+ lmvsize);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ if (rc < sizeof(*md->mea)) {
+ CDEBUG(D_INFO, "size too small: "
+ "rc < sizeof(*md->mea) (%d < %d)\n",
+ rc, (int)sizeof(*md->mea));
+ GOTO(out, rc = -EPROTO);
}
}
- } else {
- LASSERT(S_ISCHR(md->body->mode) ||
- S_ISBLK(md->body->mode) ||
- S_ISFIFO(md->body->mode)||
- S_ISLNK(md->body->mode) ||
- S_ISSOCK(md->body->mode));
}
+ rc = 0;
+
+ if (md->body->valid & OBD_MD_FLRMTPERM) {
+ /* remote permission */
+ LASSERT(client_is_remote(exp));
+ md->remote_perm = req_capsule_server_swab_get(pill, &RMF_ACL,
+ lustre_swab_mdt_remote_perm);
+ if (!md->remote_perm)
+ GOTO(out, rc = -EPROTO);
+ }
+ else if (md->body->valid & OBD_MD_FLACL) {
+ /* for ACL, it's possible that FLACL is set but aclsize is zero.
+ * only when aclsize != 0 there's an actual segment for ACL
+ * in reply buffer.
+ */
+ if (md->body->aclsize) {
+ rc = mdc_unpack_acl(req, md);
+ if (rc)
+ GOTO(out, rc);
+#ifdef CONFIG_FS_POSIX_ACL
+ } else {
+ md->posix_acl = NULL;
+#endif
+ }
+ }
+ if (md->body->valid & OBD_MD_FLMDSCAPA) {
+ struct obd_capa *oc = NULL;
- /* if anything wrong when unpacking md, we don't check acl
- * stuff, for simplicity
- */
- if (rc)
- RETURN(rc);
+ rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, &oc);
+ if (rc)
+ GOTO(out, rc);
+ md->mds_capa = oc;
+ }
- reply_off = (md->body->valid & OBD_MD_FLEASIZE) ?
- (offset + 2) : (offset + 1);
- rc = mdc_unpack_acl(exp_lmv, req, reply_off, md);
- if (rc) {
- CERROR("upack acl error %d \n", rc);
- RETURN(rc);
+ if (md->body->valid & OBD_MD_FLOSSCAPA) {
+ struct obd_capa *oc = NULL;
+
+ rc = mdc_unpack_capa(NULL, req, &RMF_CAPA2, &oc);
+ if (rc)
+ GOTO(out, rc);
+ md->oss_capa = oc;
}
- reply_off += 2;
-
- rc = mdc_unpack_gskey(exp_lmv, req, &reply_off, md);
- if (rc)
- RETURN(rc);
- RETURN(rc);
+ EXIT;
+out:
+ if (rc) {
+ if (md->oss_capa) {
+ capa_put(md->oss_capa);
+ md->oss_capa = NULL;
+ }
+ if (md->mds_capa) {
+ capa_put(md->mds_capa);
+ md->mds_capa = NULL;
+ }
+#ifdef CONFIG_FS_POSIX_ACL
+ posix_acl_release(md->posix_acl);
+#endif
+ if (md->lsm)
+ obd_free_memmd(dt_exp, &md->lsm);
+ }
+ return rc;
}
-static void mdc_commit_open(struct ptlrpc_request *req)
+int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md)
{
- struct mdc_open_data *mod = req->rq_cb_data;
- if (mod == NULL)
- return;
-
- if (mod->mod_close_req != NULL)
- mod->mod_close_req->rq_cb_data = NULL;
-
- if (mod->mod_och != NULL)
- mod->mod_och->och_mod = NULL;
-
- OBD_FREE(mod, sizeof(*mod));
- req->rq_cb_data = NULL;
- LASSERT(atomic_read(&req->rq_refcount) > 1);
- ptlrpc_req_finished(req);
+ ENTRY;
+ RETURN(0);
}
-static void mdc_replay_open(struct ptlrpc_request *req)
+/**
+ * Handles both OPEN and SETATTR RPCs for OPEN-CLOSE and SETATTR-DONE_WRITING
+ * RPC chains.
+ */
+void mdc_replay_open(struct ptlrpc_request *req)
{
- struct mdc_open_data *mod = req->rq_cb_data;
- struct obd_client_handle *och;
+ struct md_open_data *mod = req->rq_cb_data;
struct ptlrpc_request *close_req;
+ struct obd_client_handle *och;
struct lustre_handle old;
- struct mds_body *body;
+ struct mdt_body *body;
ENTRY;
- body = lustre_swab_repbuf(req, 1, sizeof(*body), lustre_swab_mds_body);
- LASSERT (body != NULL);
-
if (mod == NULL) {
DEBUG_REQ(D_ERROR, req,
- "can't properly replay without open data");
+ "Can't properly replay without open data.");
EXIT;
return;
}
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ LASSERT(body != NULL);
+
och = mod->mod_och;
if (och != NULL) {
struct lustre_handle *file_fh;
+
LASSERT(och->och_magic == OBD_CLIENT_HANDLE_MAGIC);
+
file_fh = &och->och_fh;
CDEBUG(D_HA, "updating handle from "LPX64" to "LPX64"\n",
file_fh->cookie, body->handle.cookie);
- memcpy(&old, file_fh, sizeof(old));
- memcpy(file_fh, &body->handle, sizeof(*file_fh));
+ old = *file_fh;
+ *file_fh = body->handle;
}
-
close_req = mod->mod_close_req;
if (close_req != NULL) {
- struct mds_body *close_body;
- LASSERT(close_req->rq_reqmsg->opc == MDS_CLOSE);
- close_body = lustre_msg_buf(close_req->rq_reqmsg,
- MDS_REQ_REC_OFF,
- sizeof(*close_body));
+ __u32 opc = lustre_msg_get_opc(close_req->rq_reqmsg);
+ struct mdt_ioepoch *epoch;
+
+ LASSERT(opc == MDS_CLOSE || opc == MDS_DONE_WRITING);
+ epoch = req_capsule_client_get(&close_req->rq_pill,
+ &RMF_MDT_EPOCH);
+ LASSERT(epoch);
+
if (och != NULL)
- LASSERT(!memcmp(&old, &close_body->handle, sizeof old));
+ LASSERT(!memcmp(&old, &epoch->handle, sizeof(old)));
DEBUG_REQ(D_HA, close_req, "updating close body with new fh");
- memcpy(&close_body->handle, &body->handle,
- sizeof(close_body->handle));
+ epoch->handle = body->handle;
}
-
EXIT;
}
+void mdc_commit_open(struct ptlrpc_request *req)
+{
+ struct md_open_data *mod = req->rq_cb_data;
+ if (mod == NULL)
+ return;
+
+ /**
+ * No need to touch md_open_data::mod_och, it holds a reference on
+ * \var mod and will zero references to each other, \var mod will be
+ * freed after that when md_open_data::mod_och will put the reference.
+ */
+
+ /**
+ * Do not let open request to disappear as it still may be needed
+ * for close rpc to happen (it may happen on evict only, otherwise
+ * ptlrpc_request::rq_replay does not let mdc_commit_open() to be
+ * called), just mark this rpc as committed to distinguish these 2
+ * cases, see mdc_close() for details. The open request reference will
+ * be put along with freeing \var mod.
+ */
+ ptlrpc_request_addref(req);
+ cfs_spin_lock(&req->rq_lock);
+ req->rq_committed = 1;
+ cfs_spin_unlock(&req->rq_lock);
+ req->rq_cb_data = NULL;
+ obd_mod_put(mod);
+}
+
int mdc_set_open_replay_data(struct obd_export *exp,
struct obd_client_handle *och,
struct ptlrpc_request *open_req)
{
- struct mdc_open_data *mod;
- struct mds_rec_create *rec;
- struct mds_body *body;
+ struct md_open_data *mod;
+ struct mdt_rec_create *rec;
+ struct mdt_body *body;
+ struct obd_import *imp = open_req->rq_import;
+ ENTRY;
- rec = lustre_msg_buf(open_req->rq_reqmsg, MDS_REQ_INTENT_REC_OFF,
- sizeof(*rec));
- body = lustre_msg_buf(open_req->rq_repmsg, 1, sizeof(*body));
+ if (!open_req->rq_replay)
+ RETURN(0);
+ rec = req_capsule_client_get(&open_req->rq_pill, &RMF_REC_REINT);
+ body = req_capsule_server_get(&open_req->rq_pill, &RMF_MDT_BODY);
LASSERT(rec != NULL);
- /* outgoing messages always in my byte order */
+ /* Incoming message in my byte order (it's been swabbed). */
+ /* Outgoing messages always in my byte order. */
LASSERT(body != NULL);
- /* incoming message in my byte order (it's been swabbed) */
- LASSERT_REPSWABBED(open_req, 1);
- OBD_ALLOC(mod, sizeof(*mod));
- if (mod == NULL) {
- DEBUG_REQ(D_ERROR, open_req, "can't allocate mdc_open_data");
- return 0;
- }
+ /* Only if the import is replayable, we set replay_open data */
+ if (och && imp->imp_replayable) {
+ mod = obd_mod_alloc();
+ if (mod == NULL) {
+ DEBUG_REQ(D_ERROR, open_req,
+ "Can't allocate md_open_data");
+ RETURN(0);
+ }
- och->och_mod = mod;
- mod->mod_och = och;
- mod->mod_open_req = ptlrpc_request_addref(open_req);
+ /**
+ * Take a reference on \var mod, to be freed on mdc_close().
+ * It protects \var mod from being freed on eviction (commit
+ * callback is called despite rq_replay flag).
+ * Another reference for \var och.
+ */
+ obd_mod_get(mod);
+ obd_mod_get(mod);
+
+ cfs_spin_lock(&open_req->rq_lock);
+ och->och_mod = mod;
+ mod->mod_och = och;
+ mod->mod_open_req = open_req;
+ open_req->rq_cb_data = mod;
+ open_req->rq_commit_cb = mdc_commit_open;
+ cfs_spin_unlock(&open_req->rq_lock);
+ }
- if (memcmp(&rec->cr_replayid, &body->id1, sizeof(rec->cr_replayid)))
- CDEBUG(D_ERROR, DLID4" != "DLID4"\n", OLID4(&rec->cr_replayid),
- OLID4(&body->id1));
- LASSERT(id_ino(&rec->cr_replayid) != 0);
- memcpy(&rec->cr_replayid, &body->id1, sizeof rec->cr_replayid);
- memcpy(&rec->cr_ioepoch, &body->io_epoch, sizeof rec->cr_ioepoch);
+ rec->cr_fid2 = body->fid1;
+ rec->cr_ioepoch = body->ioepoch;
+ rec->cr_old_handle.cookie = body->handle.cookie;
open_req->rq_replay_cb = mdc_replay_open;
- open_req->rq_commit_cb = mdc_commit_open;
- open_req->rq_cb_data = mod;
- DEBUG_REQ(D_HA, open_req, "set up replay data");
- return 0;
+ if (!fid_is_sane(&body->fid1)) {
+ DEBUG_REQ(D_ERROR, open_req, "Saving replay request with "
+ "insane fid");
+ LBUG();
+ }
+
+ DEBUG_REQ(D_RPCTRACE, open_req, "Set up open replay data");
+ RETURN(0);
}
int mdc_clear_open_replay_data(struct obd_export *exp,
struct obd_client_handle *och)
{
- struct mdc_open_data *mod = och->och_mod;
-
- /* Don't free the structure now (it happens in mdc_commit_open, after
- * we're sure we won't need to fix up the close request in the future),
- * but make sure that replay doesn't poke at the och, which is about to
- * be freed. */
- LASSERT(mod != LP_POISON);
- if (mod != NULL)
- mod->mod_och = NULL;
+ struct md_open_data *mod = och->och_mod;
+ ENTRY;
+
+ LASSERT(mod != LP_POISON && mod != NULL);
+
+ mod->mod_och = NULL;
och->och_mod = NULL;
- return 0;
+ obd_mod_put(mod);
+
+ RETURN(0);
}
-static void mdc_commit_close(struct ptlrpc_request *req)
-{
- struct mdc_open_data *mod = req->rq_cb_data;
- struct obd_import *imp = req->rq_import;
- struct ptlrpc_request *open_req;
+/* Prepares the request for the replay by the given reply */
+static void mdc_close_handle_reply(struct ptlrpc_request *req,
+ struct md_op_data *op_data, int rc) {
+ struct mdt_body *repbody;
+ struct mdt_ioepoch *epoch;
- DEBUG_REQ(D_HA, req, "close req committed");
- if (mod == NULL)
- return;
+ if (req && rc == -EAGAIN) {
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH);
- mod->mod_close_req = NULL;
- req->rq_cb_data = NULL;
- req->rq_commit_cb = NULL;
-
- open_req = mod->mod_open_req;
- LASSERT(open_req != NULL);
- LASSERT(open_req != LP_POISON);
- LASSERT(open_req->rq_type != LI_POISON);
-
- DEBUG_REQ(D_HA, open_req, "open req balanced");
- if (open_req->rq_transno == 0) {
- DEBUG_REQ(D_ERROR, open_req, "BUG 3892 open");
- DEBUG_REQ(D_ERROR, req, "BUG 3892 close");
- LASSERTF(open_req->rq_transno != 0, "BUG 3892\n");
- }
- LASSERT(open_req->rq_import == imp);
-
- /* We no longer want to preserve this for transno-unconditional
- * replay. */
- spin_lock(&open_req->rq_lock);
- open_req->rq_replay = 0;
- spin_unlock(&open_req->rq_lock);
+ epoch->flags |= MF_SOM_AU;
+ if (repbody->valid & OBD_MD_FLGETATTRLOCK)
+ op_data->op_flags |= MF_GETATTR_LOCK;
+ }
}
-int mdc_close(struct obd_export *exp, struct mdc_op_data *op_data,
- struct obd_client_handle *och, struct ptlrpc_request **request)
+int mdc_close(struct obd_export *exp, struct md_op_data *op_data,
+ struct md_open_data *mod, struct ptlrpc_request **request)
{
- struct obd_device *obd = class_exp2obd(exp);
- struct obd_import *imp = class_exp2cliimp(exp);
- int reqsize[3] = {0, sizeof(struct mds_body),
- obd->u.cli.cl_max_mds_cookiesize};
- int rc, repsize[3] = {sizeof(struct mds_body),
- obd->u.cli.cl_max_mds_easize,
- obd->u.cli.cl_max_mds_cookiesize};
+ struct obd_device *obd = class_exp2obd(exp);
struct ptlrpc_request *req;
- struct mdc_open_data *mod;
+ int rc;
ENTRY;
- if (imp->imp_connection == NULL) {
- CERROR("request on not connected import %s\n",
- imp->imp_obd->obd_name);
- RETURN(-EIO);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_CLOSE);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_CLOSE, 3, reqsize, NULL);
- if (req == NULL)
- GOTO(out, rc = -ENOMEM);
- //req->rq_request_portal = MDS_CLOSE_PORTAL;
+ /* To avoid a livelock (bug 7034), we need to send CLOSE RPCs to a
+ * portal whose threads are not taking any DLM locks and are therefore
+ * always progressing */
+ req->rq_request_portal = MDS_READPAGE_PORTAL;
+ ptlrpc_at_set_req_timeout(req);
- /* ensure that this close's handle is fixed up during replay. */
- LASSERT(och != NULL);
- mod = och->och_mod;
+ /* Ensure that this close's handle is fixed up during replay. */
if (likely(mod != NULL)) {
+ LASSERTF(mod->mod_open_req != NULL &&
+ mod->mod_open_req->rq_type != LI_POISON,
+ "POISONED open %p!\n", mod->mod_open_req);
+
mod->mod_close_req = req;
- LASSERT(mod->mod_open_req->rq_type != LI_POISON);
+
DEBUG_REQ(D_HA, mod->mod_open_req, "matched open");
+ /* We no longer want to preserve this open for replay even
+ * though the open was committed. b=3632, b=3633 */
+ cfs_spin_lock(&mod->mod_open_req->rq_lock);
+ mod->mod_open_req->rq_replay = 0;
+ cfs_spin_unlock(&mod->mod_open_req->rq_lock);
} else {
- CDEBUG(D_HA, "couldn't find open req; "
- "expecting close error\n");
+ CDEBUG(D_HA, "couldn't find open req; expecting close error\n");
}
- mdc_close_pack(req, 1, op_data, och);
+ mdc_close_pack(req, op_data);
- req->rq_replen = lustre_msg_size(3, repsize);
- req->rq_commit_cb = mdc_commit_close;
- LASSERT(req->rq_cb_data == NULL);
- req->rq_cb_data = mod;
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
+ obd->u.cli.cl_max_mds_easize);
+ req_capsule_set_size(&req->rq_pill, &RMF_LOGCOOKIES, RCL_SERVER,
+ obd->u.cli.cl_max_mds_cookiesize);
+
+ ptlrpc_request_set_replen(req);
mdc_get_rpc_lock(obd->u.cli.cl_close_lock, NULL);
rc = ptlrpc_queue_wait(req);
mdc_put_rpc_lock(obd->u.cli.cl_close_lock, NULL);
if (req->rq_repmsg == NULL) {
- CDEBUG(D_HA, "request failed to send: %p, %d\n", req,
+ CDEBUG(D_RPCTRACE, "request failed to send: %p, %d\n", req,
req->rq_status);
if (rc == 0)
- rc = req->rq_status ? req->rq_status : -EIO;
- } else if (rc == 0) {
- rc = req->rq_repmsg->status;
- if (req->rq_repmsg->type == PTL_RPC_MSG_ERR) {
- DEBUG_REQ(D_ERROR, req, "type == PTL_RPC_MSG_ERR, "
- "err = %d", rc);
+ rc = req->rq_status ?: -EIO;
+ } else if (rc == 0 || rc == -EAGAIN) {
+ struct mdt_body *body;
+
+ rc = lustre_msg_get_status(req->rq_repmsg);
+ if (lustre_msg_get_type(req->rq_repmsg) == PTL_RPC_MSG_ERR) {
+ DEBUG_REQ(D_ERROR, req, "type == PTL_RPC_MSG_ERR, err "
+ "= %d", rc);
if (rc > 0)
rc = -rc;
- } else {
- if (mod == NULL)
- CERROR("Unexpected: can't find mdc_open_data, but "
- "close succeeded. Please tell CFS.\n");
- if (!lustre_swab_repbuf(req, 0, sizeof(struct mds_body),
- lustre_swab_mds_body))
- {
- CERROR("Error unpacking mds_body\n");
- rc = -EPROTO;
- }
+ }
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ rc = -EPROTO;
+ } else if (rc == -ESTALE) {
+ /**
+ * it can be allowed error after 3633 if open was committed and
+ * server failed before close was sent. Let's check if mod
+ * exists and return no error in that case
+ */
+ if (mod) {
+ LASSERT(mod->mod_open_req != NULL);
+ if (mod->mod_open_req->rq_committed)
+ rc = 0;
}
}
- EXIT;
- out:
+ if (mod) {
+ if (rc != 0)
+ mod->mod_close_req = NULL;
+ /* Since now, mod is accessed through open_req only,
+ * thus close req does not keep a reference on mod anymore. */
+ obd_mod_put(mod);
+ }
*request = req;
- return rc;
+ mdc_close_handle_reply(req, op_data, rc);
+ RETURN(rc);
}
-int mdc_done_writing(struct obd_export *exp, struct obdo *obdo)
+int mdc_done_writing(struct obd_export *exp, struct md_op_data *op_data,
+ struct md_open_data *mod)
{
+ struct obd_device *obd = class_exp2obd(exp);
struct ptlrpc_request *req;
- struct mds_body *body;
- int rc, size[2] = {0, sizeof(*body)};
+ int rc;
ENTRY;
- size[0] = lustre_secdesc_size();
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_DONE_WRITING, 2, size, NULL);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_DONE_WRITING);
if (req == NULL)
RETURN(-ENOMEM);
- lustre_pack_secdesc(req, size[0]);
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_DONE_WRITING);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF,
- sizeof(*body));
-
- mdc_pack_id(&body->id1, obdo->o_id, 0, obdo->o_mode,
- obdo->o_mds, obdo->o_fid);
-
- body->size = obdo->o_size;
- body->blocks = obdo->o_blocks;
- body->flags = obdo->o_flags;
- body->valid = obdo->o_valid;
+ if (mod != NULL) {
+ LASSERTF(mod->mod_open_req != NULL &&
+ mod->mod_open_req->rq_type != LI_POISON,
+ "POISONED setattr %p!\n", mod->mod_open_req);
- req->rq_replen = lustre_msg_size(1, &size[1]);
+ mod->mod_close_req = req;
+ DEBUG_REQ(D_HA, mod->mod_open_req, "matched setattr");
+ /* We no longer want to preserve this setattr for replay even
+ * though the open was committed. b=3632, b=3633 */
+ cfs_spin_lock(&mod->mod_open_req->rq_lock);
+ mod->mod_open_req->rq_replay = 0;
+ cfs_spin_unlock(&mod->mod_open_req->rq_lock);
+ }
+ mdc_close_pack(req, op_data);
+ ptlrpc_request_set_replen(req);
+
+ mdc_get_rpc_lock(obd->u.cli.cl_close_lock, NULL);
rc = ptlrpc_queue_wait(req);
+ mdc_put_rpc_lock(obd->u.cli.cl_close_lock, NULL);
+
+ if (rc == -ESTALE) {
+ /**
+ * it can be allowed error after 3633 if open or setattr were
+ * committed and server failed before close was sent.
+ * Let's check if mod exists and return no error in that case
+ */
+ if (mod) {
+ LASSERT(mod->mod_open_req != NULL);
+ if (mod->mod_open_req->rq_committed)
+ rc = 0;
+ }
+ }
+
+ if (mod) {
+ if (rc != 0)
+ mod->mod_close_req = NULL;
+ /* Since now, mod is accessed through setattr req only,
+ * thus DW req does not keep a reference on mod anymore. */
+ obd_mod_put(mod);
+ }
+
+ mdc_close_handle_reply(req, op_data, rc);
ptlrpc_req_finished(req);
RETURN(rc);
}
-int mdc_readpage(struct obd_export *exp,
- struct lustre_id *id,
- __u64 offset, struct page *page,
- struct ptlrpc_request **request)
+#ifdef HAVE_SPLIT_SUPPORT
+int mdc_sendpage(struct obd_export *exp, const struct lu_fid *fid,
+ const struct page *page, int offset)
{
- struct obd_import *imp = class_exp2cliimp(exp);
- struct ptlrpc_request *req = NULL;
- struct ptlrpc_bulk_desc *desc = NULL;
- struct mds_body *body;
- int rc, size[2] = {0, sizeof(*body)};
+ struct ptlrpc_request *req;
+ struct ptlrpc_bulk_desc *desc;
+ int rc;
ENTRY;
- CDEBUG(D_INODE, "inode: %ld\n", (long)id->li_stc.u.e3s.l3s_ino);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_WRITEPAGE);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- size[0] = lustre_secdesc_size();
+ /* FIXME: capa doesn't support split yet */
+ mdc_set_capa_size(req, &RMF_CAPA1, NULL);
- req = ptlrpc_prep_req(imp, LUSTRE_MDS_VERSION, MDS_READPAGE,
- 2, size, NULL);
- if (req == NULL)
- GOTO(out, rc = -ENOMEM);
- /* XXX FIXME bug 249 */
- req->rq_request_portal = MDS_READPAGE_PORTAL;
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_WRITEPAGE);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- lustre_pack_secdesc(req, size[0]);
+ req->rq_request_portal = MDS_READPAGE_PORTAL;
+ ptlrpc_at_set_req_timeout(req);
- desc = ptlrpc_prep_bulk_imp(req, 1, BULK_PUT_SINK, MDS_BULK_PORTAL);
+ desc = ptlrpc_prep_bulk_imp(req, 1, BULK_GET_SOURCE, MDS_BULK_PORTAL);
if (desc == NULL)
GOTO(out, rc = -ENOMEM);
- /* NB req now owns desc and will free it when it gets freed */
- ptlrpc_prep_bulk_page(desc, page, 0, PAGE_CACHE_SIZE);
- mdc_readdir_pack(req, 1, offset, PAGE_CACHE_SIZE, id);
+ /* NB req now owns desc and will free it when it gets freed. */
+ ptlrpc_prep_bulk_page(desc, (struct page *)page, 0, offset);
+ mdc_readdir_pack(req, 0, offset, fid, NULL);
- req->rq_replen = lustre_msg_size(1, &size[1]);
+ ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- if (rc == 0) {
- body = lustre_swab_repbuf(req, 0, sizeof (*body),
- lustre_swab_mds_body);
- if (body == NULL) {
- CERROR("Can't unpack mds_body\n");
- GOTO(out, rc = -EPROTO);
- }
+ rc = sptlrpc_cli_unwrap_bulk_write(req, req->rq_bulk);
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+EXPORT_SYMBOL(mdc_sendpage);
+#endif
- if (req->rq_bulk->bd_nob_transferred != PAGE_CACHE_SIZE) {
- CERROR ("Unexpected # bytes transferred: %d"
- " (%ld expected)\n",
- req->rq_bulk->bd_nob_transferred,
- PAGE_CACHE_SIZE);
- GOTO (out, rc = -EPROTO);
- }
+int mdc_readpage(struct obd_export *exp, const struct lu_fid *fid,
+ struct obd_capa *oc, __u64 offset, struct page *page,
+ struct ptlrpc_request **request)
+{
+ struct ptlrpc_request *req;
+ struct ptlrpc_bulk_desc *desc;
+ int rc;
+ ENTRY;
+
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_READPAGE);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_READPAGE);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ req->rq_request_portal = MDS_READPAGE_PORTAL;
+ ptlrpc_at_set_req_timeout(req);
+
+ desc = ptlrpc_prep_bulk_imp(req, 1, BULK_PUT_SINK, MDS_BULK_PORTAL);
+ if (desc == NULL) {
+ ptlrpc_request_free(req);
+ RETURN(-ENOMEM);
+ }
+
+ /* NB req now owns desc and will free it when it gets freed */
+ ptlrpc_prep_bulk_page(desc, page, 0, CFS_PAGE_SIZE);
+ mdc_readdir_pack(req, offset, CFS_PAGE_SIZE, fid, oc);
+
+ ptlrpc_request_set_replen(req);
+ rc = ptlrpc_queue_wait(req);
+ if (rc) {
+ ptlrpc_req_finished(req);
+ RETURN(rc);
+ }
+
+ rc = sptlrpc_cli_unwrap_bulk_read(req, req->rq_bulk,
+ req->rq_bulk->bd_nob_transferred);
+ if (rc < 0) {
+ ptlrpc_req_finished(req);
+ RETURN(rc);
+ }
+
+ if (req->rq_bulk->bd_nob_transferred != CFS_PAGE_SIZE) {
+ CERROR("Unexpected # bytes transferred: %d (%ld expected)\n",
+ req->rq_bulk->bd_nob_transferred, CFS_PAGE_SIZE);
+ ptlrpc_req_finished(req);
+ RETURN(-EPROTO);
}
- EXIT;
- out:
*request = req;
+ RETURN(0);
+}
+
+static int mdc_statfs(struct obd_device *obd, struct obd_statfs *osfs,
+ __u64 max_age, __u32 flags)
+{
+ struct ptlrpc_request *req;
+ struct obd_statfs *msfs;
+ struct obd_import *imp = NULL;
+ int rc;
+ ENTRY;
+
+ /*
+ * Since the request might also come from lprocfs, so we need
+ * sync this with client_disconnect_export Bug15684
+ */
+ cfs_down_read(&obd->u.cli.cl_sem);
+ if (obd->u.cli.cl_import)
+ imp = class_import_get(obd->u.cli.cl_import);
+ cfs_up_read(&obd->u.cli.cl_sem);
+ if (!imp)
+ RETURN(-ENODEV);
+
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_STATFS,
+ LUSTRE_MDS_VERSION, MDS_STATFS);
+ if (req == NULL)
+ GOTO(output, rc = -ENOMEM);
+
+ ptlrpc_request_set_replen(req);
+
+ if (flags & OBD_STATFS_NODELAY) {
+ /* procfs requests not want stay in wait for avoid deadlock */
+ req->rq_no_resend = 1;
+ req->rq_no_delay = 1;
+ }
+
+ rc = ptlrpc_queue_wait(req);
+ if (rc) {
+ /* check connection error first */
+ if (imp->imp_connect_error)
+ rc = imp->imp_connect_error;
+ GOTO(out, rc);
+ }
+
+ msfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS);
+ if (msfs == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ *osfs = *msfs;
+ EXIT;
+out:
+ ptlrpc_req_finished(req);
+output:
+ class_import_put(imp);
return rc;
}
+static int mdc_ioc_fid2path(struct obd_export *exp, struct getinfo_fid2path *gf)
+{
+ __u32 keylen, vallen;
+ void *key;
+ int rc;
+
+ if (gf->gf_pathlen > PATH_MAX)
+ RETURN(-ENAMETOOLONG);
+ if (gf->gf_pathlen < 2)
+ RETURN(-EOVERFLOW);
+
+ /* Key is KEY_FID2PATH + getinfo_fid2path description */
+ keylen = cfs_size_round(sizeof(KEY_FID2PATH)) + sizeof(*gf);
+ OBD_ALLOC(key, keylen);
+ if (key == NULL)
+ RETURN(-ENOMEM);
+ memcpy(key, KEY_FID2PATH, sizeof(KEY_FID2PATH));
+ memcpy(key + cfs_size_round(sizeof(KEY_FID2PATH)), gf, sizeof(*gf));
+
+ CDEBUG(D_IOCTL, "path get "DFID" from "LPU64" #%d\n",
+ PFID(&gf->gf_fid), gf->gf_recno, gf->gf_linkno);
+
+ if (!fid_is_sane(&gf->gf_fid))
+ GOTO(out, rc = -EINVAL);
+
+ /* Val is struct getinfo_fid2path result plus path */
+ vallen = sizeof(*gf) + gf->gf_pathlen;
+
+ rc = obd_get_info(exp, keylen, key, &vallen, gf, NULL);
+ if (rc)
+ GOTO(out, rc);
+
+ if (vallen <= sizeof(*gf))
+ GOTO(out, rc = -EPROTO);
+ else if (vallen > sizeof(*gf) + gf->gf_pathlen)
+ GOTO(out, rc = -EOVERFLOW);
+
+ CDEBUG(D_IOCTL, "path get "DFID" from "LPU64" #%d\n%s\n",
+ PFID(&gf->gf_fid), gf->gf_recno, gf->gf_linkno, gf->gf_path);
+
+out:
+ OBD_FREE(key, keylen);
+ return rc;
+}
+
+static struct kuc_hdr *changelog_kuc_hdr(char *buf, int len, int flags)
+{
+ struct kuc_hdr *lh = (struct kuc_hdr *)buf;
+
+ LASSERT(len <= CR_MAXSIZE);
+
+ lh->kuc_magic = KUC_MAGIC;
+ lh->kuc_transport = KUC_TRANSPORT_CHANGELOG;
+ lh->kuc_flags = flags;
+ lh->kuc_msgtype = CL_RECORD;
+ lh->kuc_msglen = len;
+ return lh;
+}
+
+#define D_CHANGELOG 0
+
+struct changelog_show {
+ __u64 cs_startrec;
+ __u32 cs_flags;
+ cfs_file_t *cs_fp;
+ char *cs_buf;
+ struct obd_device *cs_obd;
+};
+
+static int changelog_show_cb(struct llog_handle *llh, struct llog_rec_hdr *hdr,
+ void *data)
+{
+ struct changelog_show *cs = data;
+ struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr;
+ struct kuc_hdr *lh;
+ int len, rc;
+ ENTRY;
+
+ if ((rec->cr_hdr.lrh_type != CHANGELOG_REC) ||
+ (rec->cr.cr_type >= CL_LAST)) {
+ CERROR("Not a changelog rec %d/%d\n", rec->cr_hdr.lrh_type,
+ rec->cr.cr_type);
+ RETURN(-EINVAL);
+ }
+
+ if (rec->cr.cr_index < cs->cs_startrec) {
+ /* Skip entries earlier than what we are interested in */
+ CDEBUG(D_CHANGELOG, "rec="LPU64" start="LPU64"\n",
+ rec->cr.cr_index, cs->cs_startrec);
+ RETURN(0);
+ }
+
+ CDEBUG(D_CHANGELOG, LPU64" %02d%-5s "LPU64" 0x%x t="DFID" p="DFID
+ " %.*s\n", rec->cr.cr_index, rec->cr.cr_type,
+ changelog_type2str(rec->cr.cr_type), rec->cr.cr_time,
+ rec->cr.cr_flags & CLF_FLAGMASK,
+ PFID(&rec->cr.cr_tfid), PFID(&rec->cr.cr_pfid),
+ rec->cr.cr_namelen, rec->cr.cr_name);
+
+ len = sizeof(*lh) + sizeof(rec->cr) + rec->cr.cr_namelen;
+
+ /* Set up the message */
+ lh = changelog_kuc_hdr(cs->cs_buf, len, cs->cs_flags);
+ memcpy(lh + 1, &rec->cr, len - sizeof(*lh));
+
+ rc = libcfs_kkuc_msg_put(cs->cs_fp, lh);
+ CDEBUG(D_CHANGELOG, "kucmsg fp %p len %d rc %d\n", cs->cs_fp, len,rc);
+
+ RETURN(rc);
+}
+
+static int mdc_changelog_send_thread(void *csdata)
+{
+ struct changelog_show *cs = csdata;
+ struct llog_ctxt *ctxt = NULL;
+ struct llog_handle *llh = NULL;
+ struct kuc_hdr *kuch;
+ int rc;
+
+ CDEBUG(D_CHANGELOG, "changelog to fp=%p start "LPU64"\n",
+ cs->cs_fp, cs->cs_startrec);
+
+ OBD_ALLOC(cs->cs_buf, CR_MAXSIZE);
+ if (cs->cs_buf == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ /* Set up the remote catalog handle */
+ ctxt = llog_get_context(cs->cs_obd, LLOG_CHANGELOG_REPL_CTXT);
+ if (ctxt == NULL)
+ GOTO(out, rc = -ENOENT);
+ rc = llog_create(ctxt, &llh, NULL, CHANGELOG_CATALOG);
+ if (rc) {
+ CERROR("llog_create() failed %d\n", rc);
+ GOTO(out, rc);
+ }
+ rc = llog_init_handle(llh, LLOG_F_IS_CAT, NULL);
+ if (rc) {
+ CERROR("llog_init_handle failed %d\n", rc);
+ GOTO(out, rc);
+ }
+
+ /* We need the pipe fd open, so llog_process can't daemonize */
+ rc = llog_cat_process_flags(llh, changelog_show_cb, cs,
+ LLOG_FLAG_NODEAMON, 0, 0);
+
+ /* Send EOF no matter what our result */
+ if ((kuch = changelog_kuc_hdr(cs->cs_buf, sizeof(*kuch),
+ cs->cs_flags))) {
+ kuch->kuc_msgtype = CL_EOF;
+ libcfs_kkuc_msg_put(cs->cs_fp, kuch);
+ }
+
+out:
+ cfs_put_file(cs->cs_fp);
+ if (llh)
+ llog_cat_put(llh);
+ if (ctxt)
+ llog_ctxt_put(ctxt);
+ if (cs->cs_buf)
+ OBD_FREE(cs->cs_buf, CR_MAXSIZE);
+ OBD_FREE_PTR(cs);
+ return rc;
+}
+
+static int mdc_ioc_changelog_send(struct obd_device *obd,
+ struct ioc_changelog *icc)
+{
+ struct changelog_show *cs;
+ int rc;
+
+ /* Freed in mdc_changelog_send_thread */
+ OBD_ALLOC_PTR(cs);
+ if (!cs)
+ return -ENOMEM;
+
+ cs->cs_obd = obd;
+ cs->cs_startrec = icc->icc_recno;
+ /* matching cfs_put_file in mdc_changelog_send_thread */
+ cs->cs_fp = cfs_get_fd(icc->icc_id);
+ cs->cs_flags = icc->icc_flags;
+
+ /* New thread because we should return to user app before
+ writing into our pipe */
+ rc = cfs_kernel_thread(mdc_changelog_send_thread, cs,
+ CLONE_VM | CLONE_FILES);
+ if (rc >= 0) {
+ CDEBUG(D_CHANGELOG, "start changelog thread: %d\n", rc);
+ return 0;
+ }
+
+ CERROR("Failed to start changelog thread: %d\n", rc);
+ OBD_FREE_PTR(cs);
+ return rc;
+}
+
+static int mdc_ioc_hsm_ct_start(struct obd_export *exp,
+ struct lustre_kernelcomm *lk);
+
static int mdc_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg)
{
int rc;
ENTRY;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- MOD_INC_USE_COUNT;
-#else
- if (!try_module_get(THIS_MODULE)) {
+ if (!cfs_try_module_get(THIS_MODULE)) {
CERROR("Can't get module. Is it alive?");
return -EINVAL;
}
-#endif
switch (cmd) {
+ case LL_IOC_HSM_CT_START:
+ rc = mdc_ioc_hsm_ct_start(exp, karg);
+ GOTO(out, rc);
+ case OBD_IOC_CHANGELOG_SEND:
+ rc = mdc_ioc_changelog_send(obd, karg);
+ GOTO(out, rc);
+ case OBD_IOC_CHANGELOG_CLEAR: {
+ struct ioc_changelog *icc = karg;
+ struct changelog_setinfo cs =
+ {.cs_recno = icc->icc_recno, .cs_id = icc->icc_id};
+ rc = obd_set_info_async(exp, strlen(KEY_CHANGELOG_CLEAR),
+ KEY_CHANGELOG_CLEAR, sizeof(cs), &cs,
+ NULL);
+ GOTO(out, rc);
+ }
+ case OBD_IOC_FID2PATH: {
+ rc = mdc_ioc_fid2path(exp, karg);
+ GOTO(out, rc);
+ }
case OBD_IOC_CLIENT_RECOVER:
rc = ptlrpc_recover_import(imp, data->ioc_inlbuf1);
if (rc < 0)
case IOC_OSC_SET_ACTIVE:
rc = ptlrpc_set_import_active(imp, data->ioc_offset);
GOTO(out, rc);
- case IOC_OSC_CTL_RECOVERY:
- rc = ptlrpc_import_control_recovery(imp, data->ioc_offset);
- GOTO(out, rc);
case OBD_IOC_PARSE: {
- ctxt = llog_get_context(&exp->exp_obd->obd_llogs,
- LLOG_CONFIG_REPL_CTXT);
- rc = class_config_process_llog(ctxt, data->ioc_inlbuf1, NULL);
+ ctxt = llog_get_context(exp->exp_obd, LLOG_CONFIG_REPL_CTXT);
+ rc = class_config_parse_llog(ctxt, data->ioc_inlbuf1, NULL);
+ llog_ctxt_put(ctxt);
GOTO(out, rc);
}
#ifdef __KERNEL__
case OBD_IOC_LLOG_INFO:
case OBD_IOC_LLOG_PRINT: {
- ctxt = llog_get_context(&obd->obd_llogs, LLOG_CONFIG_REPL_CTXT);
+ ctxt = llog_get_context(obd, LLOG_CONFIG_REPL_CTXT);
rc = llog_ioctl(ctxt, cmd, data);
+ llog_ctxt_put(ctxt);
+ GOTO(out, rc);
+ }
+#endif
+ case OBD_IOC_POLL_QUOTACHECK:
+ rc = lquota_poll_check(quota_interface, exp,
+ (struct if_quotacheck *)karg);
+ GOTO(out, rc);
+ case OBD_IOC_PING_TARGET:
+ rc = ptlrpc_obd_ping(obd);
+ GOTO(out, rc);
+ /*
+ * Normally IOC_OBD_STATFS iocontrol is handled by LMV instead of MDC.
+ * But when the cluster is upgraded from 1.8, there'd be no LMV layer
+ * thus we might be called here. Eventually this code should be removed.
+ * bz20731.
+ */
+ case IOC_OBD_STATFS: {
+ struct obd_statfs stat_buf = {0};
+
+ if (*((__u32 *) data->ioc_inlbuf2) != 0)
+ GOTO(out, rc = -ENODEV);
+
+ rc = mdc_statfs(obd, &stat_buf,
+ cfs_time_current_64() - CFS_HZ, 0);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ if (cfs_copy_to_user(data->ioc_pbuf1, &stat_buf,
+ data->ioc_plen1))
+ GOTO(out, rc = -EFAULT);
+ if (cfs_copy_to_user(data->ioc_pbuf2, obd2cli_tgt(obd),
+ data->ioc_plen2))
+ GOTO(out, rc = -EFAULT);
+
+ GOTO(out, rc = 0);
+ }
+ default:
+ CERROR("mdc_ioctl(): unrecognised ioctl %#x\n", cmd);
+ GOTO(out, rc = -ENOTTY);
+ }
+out:
+ cfs_module_put(THIS_MODULE);
+
+ return rc;
+}
+
+int mdc_get_info_rpc(struct obd_export *exp,
+ obd_count keylen, void *key,
+ int vallen, void *val)
+{
+ struct obd_import *imp = class_exp2cliimp(exp);
+ struct ptlrpc_request *req;
+ char *tmp;
+ int rc = -EINVAL;
+ ENTRY;
+
+ req = ptlrpc_request_alloc(imp, &RQF_MDS_GET_INFO);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_KEY,
+ RCL_CLIENT, keylen);
+ req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_VALLEN,
+ RCL_CLIENT, sizeof(__u32));
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GET_INFO);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_GETINFO_KEY);
+ memcpy(tmp, key, keylen);
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_GETINFO_VALLEN);
+ memcpy(tmp, &vallen, sizeof(__u32));
+
+ req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_VAL,
+ RCL_SERVER, vallen);
+ ptlrpc_request_set_replen(req);
+
+ rc = ptlrpc_queue_wait(req);
+ if (rc == 0) {
+ tmp = req_capsule_server_get(&req->rq_pill, &RMF_GETINFO_VAL);
+ memcpy(val, tmp, vallen);
+ if (ptlrpc_rep_need_swab(req)) {
+ if (KEY_IS(KEY_FID2PATH)) {
+ lustre_swab_fid2path(val);
+ }
+ }
+ }
+ ptlrpc_req_finished(req);
+
+ RETURN(rc);
+}
+
+static void lustre_swab_hai(struct hsm_action_item *h)
+{
+ __swab32s(&h->hai_len);
+ __swab32s(&h->hai_action);
+ lustre_swab_lu_fid(&h->hai_fid);
+ __swab64s(&h->hai_cookie);
+ __swab64s(&h->hai_extent_start);
+ __swab64s(&h->hai_extent_end);
+ __swab64s(&h->hai_gid);
+}
+
+static void lustre_swab_hal(struct hsm_action_list *h)
+{
+ struct hsm_action_item *hai;
+ int i;
+
+ __swab32s(&h->hal_version);
+ __swab32s(&h->hal_count);
+ __swab32s(&h->hal_archive_num);
+ hai = hai_zero(h);
+ for (i = 0; i < h->hal_count; i++) {
+ lustre_swab_hai(hai);
+ hai = hai_next(hai);
+ }
+}
- GOTO(out, rc);
+static int mdc_ioc_hsm_ct_start(struct obd_export *exp,
+ struct lustre_kernelcomm *lk)
+{
+ int rc = 0;
+
+ if (lk->lk_group != KUC_GRP_HSM) {
+ CERROR("Bad copytool group %d\n", lk->lk_group);
+ return -EINVAL;
}
-#endif
- default:
- CERROR("mdc_ioctl(): unrecognised ioctl %#x\n", cmd);
- GOTO(out, rc = -ENOTTY);
+
+ CDEBUG(D_HSM, "CT start r%d w%d u%d g%d f%#x\n", lk->lk_rfd, lk->lk_wfd,
+ lk->lk_uid, lk->lk_group, lk->lk_flags);
+
+ if (lk->lk_flags & LK_FLG_STOP)
+ rc = libcfs_kkuc_group_rem(lk->lk_uid,lk->lk_group);
+ else {
+ cfs_file_t *fp = cfs_get_fd(lk->lk_wfd);
+ rc = libcfs_kkuc_group_add(fp, lk->lk_uid,lk->lk_group);
+ if (rc && fp)
+ cfs_put_file(fp);
}
-out:
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- MOD_DEC_USE_COUNT;
-#else
- module_put(THIS_MODULE);
-#endif
+
+ /* lk_data is archive number mask */
+ /* TODO: register archive num with mdt so coordinator can choose
+ correct agent. */
return rc;
}
-int mdc_set_info(struct obd_export *exp, obd_count keylen,
- void *key, obd_count vallen, void *val)
+/**
+ * Send a message to any listening copytools
+ * @param val KUC message (kuc_hdr + hsm_action_list)
+ * @param len total length of message
+ */
+static int mdc_hsm_copytool_send(int len, void *val)
{
- int rc = -EINVAL;
+ struct kuc_hdr *lh = (struct kuc_hdr *)val;
+ struct hsm_action_list *hal = (struct hsm_action_list *)(lh + 1);
+ int rc;
+ ENTRY;
+
+ if (len < sizeof(*lh) + sizeof(*hal)) {
+ CERROR("Short HSM message %d < %d\n", len,
+ (int) (sizeof(*lh) + sizeof(*hal)));
+ RETURN(-EPROTO);
+ }
+ if (lh->kuc_magic == __swab16(KUC_MAGIC)) {
+ lustre_swab_kuch(lh);
+ lustre_swab_hal(hal);
+ } else if (lh->kuc_magic != KUC_MAGIC) {
+ CERROR("Bad magic %x!=%x\n", lh->kuc_magic, KUC_MAGIC);
+ RETURN(-EPROTO);
+ }
+
+ CDEBUG(D_HSM, " Received message mg=%x t=%d m=%d l=%d actions=%d\n",
+ lh->kuc_magic, lh->kuc_transport, lh->kuc_msgtype,
+ lh->kuc_msglen, hal->hal_count);
+
+ /* Broadcast to HSM listeners */
+ rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
+
+ RETURN(rc);
+}
+
+int mdc_set_info_async(struct obd_export *exp,
+ obd_count keylen, void *key,
+ obd_count vallen, void *val,
+ struct ptlrpc_request_set *set)
+{
+ struct obd_import *imp = class_exp2cliimp(exp);
+ int rc = -EINVAL;
+ ENTRY;
- if (keylen == strlen("initial_recov") &&
- memcmp(key, "initial_recov", strlen("initial_recov")) == 0) {
- struct obd_import *imp = exp->exp_obd->u.cli.cl_import;
+ if (KEY_IS(KEY_INIT_RECOV)) {
if (vallen != sizeof(int))
RETURN(-EINVAL);
+ cfs_spin_lock(&imp->imp_lock);
imp->imp_initial_recov = *(int *)val;
- CDEBUG(D_HA, "%s: set imp_no_init_recov = %d\n",
- exp->exp_obd->obd_name,
- imp->imp_initial_recov);
+ cfs_spin_unlock(&imp->imp_lock);
+ CDEBUG(D_HA, "%s: set imp_initial_recov = %d\n",
+ exp->exp_obd->obd_name, imp->imp_initial_recov);
RETURN(0);
- } else if ((keylen >= strlen("crypto_type")) &&
- strcmp(key, "crypto_type") == 0) {
- struct ptlrpc_request *req;
- char *bufs[2] = {key, val};
- int rc, size[2] = {keylen, vallen};
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION,
- OST_SET_INFO, 2, size, bufs);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req->rq_replen = lustre_msg_size(0, NULL);
- rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
- RETURN(rc);
- } else if (keylen >= strlen("inter_mds") && strcmp(key, "inter_mds") == 0) {
- struct obd_import *imp = class_exp2cliimp(exp);
- imp->imp_server_timeout = 1;
- CDEBUG(D_OTHER, "%s: timeout / 2\n", exp->exp_obd->obd_name);
+ }
+ /* Turn off initial_recov after we try all backup servers once */
+ if (KEY_IS(KEY_INIT_RECOV_BACKUP)) {
+ if (vallen != sizeof(int))
+ RETURN(-EINVAL);
+ cfs_spin_lock(&imp->imp_lock);
+ imp->imp_initial_recov_bk = *(int *)val;
+ if (imp->imp_initial_recov_bk)
+ imp->imp_initial_recov = 1;
+ cfs_spin_unlock(&imp->imp_lock);
+ CDEBUG(D_HA, "%s: set imp_initial_recov_bk = %d\n",
+ exp->exp_obd->obd_name, imp->imp_initial_recov_bk);
RETURN(0);
- } else if (keylen == strlen("sec") &&
- memcmp(key, "sec", keylen) == 0) {
- struct client_obd *cli = &exp->exp_obd->u.cli;
-
- cli->cl_sec_flavor = ptlrpcs_name2flavor(val);
- if (cli->cl_sec_flavor == PTLRPCS_FLVR_INVALID) {
- CERROR("unrecognized security type %s\n", (char*) val);
+ }
+ if (KEY_IS(KEY_READ_ONLY)) {
+ if (vallen != sizeof(int))
RETURN(-EINVAL);
- }
- RETURN(0);
- } else if (keylen == strlen("sec_flags") &&
- memcmp(key, "sec_flags", keylen) == 0) {
- struct client_obd *cli = &exp->exp_obd->u.cli;
+ cfs_spin_lock(&imp->imp_lock);
+ if (*((int *)val)) {
+ imp->imp_connect_flags_orig |= OBD_CONNECT_RDONLY;
+ imp->imp_connect_data.ocd_connect_flags |= OBD_CONNECT_RDONLY;
+ } else {
+ imp->imp_connect_flags_orig &= ~OBD_CONNECT_RDONLY;
+ imp->imp_connect_data.ocd_connect_flags &= ~OBD_CONNECT_RDONLY;
+ }
+ cfs_spin_unlock(&imp->imp_lock);
- cli->cl_sec_flags = *((unsigned long *) val);
+ rc = do_set_info_async(imp, MDS_SET_INFO, LUSTRE_MDS_VERSION,
+ keylen, key, vallen, val, set);
+ RETURN(rc);
+ }
+ if (KEY_IS(KEY_SPTLRPC_CONF)) {
+ sptlrpc_conf_client_adapt(exp->exp_obd);
RETURN(0);
- } else if (keylen == strlen("flush_cred") &&
- memcmp(key, "flush_cred", keylen) == 0) {
- struct client_obd *cli = &exp->exp_obd->u.cli;
-
- if (cli->cl_import)
- ptlrpcs_import_flush_current_creds(cli->cl_import);
+ }
+ if (KEY_IS(KEY_FLUSH_CTX)) {
+ sptlrpc_import_flush_my_ctx(imp);
RETURN(0);
- } else if (keylen == strlen("async") && memcmp(key, "async", keylen) == 0) {
- struct client_obd *cl = &exp->exp_obd->u.cli;
- if (vallen != sizeof(int))
- RETURN(-EINVAL);
- cl->cl_async = *(int *)val;
- CDEBUG(D_HA, "%s: set async = %d\n",
- exp->exp_obd->obd_name, cl->cl_async);
+ }
+ if (KEY_IS(KEY_MDS_CONN)) {
+ /* mds-mds import */
+ cfs_spin_lock(&imp->imp_lock);
+ imp->imp_server_timeout = 1;
+ cfs_spin_unlock(&imp->imp_lock);
+ imp->imp_client->cli_request_portal = MDS_MDS_PORTAL;
+ CDEBUG(D_OTHER, "%s: timeout / 2\n", exp->exp_obd->obd_name);
RETURN(0);
- } else if (keylen == strlen("setext") && memcmp(key, "setext", keylen) == 0) {
- struct ptlrpc_request *req;
- char *bufs[2] = {key, val};
- int rc, size[2] = {keylen, vallen};
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION,
- OST_SET_INFO, 2, size, bufs);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req->rq_replen = lustre_msg_size(0, NULL);
- rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
- RETURN(rc);
- } else if (keylen == 5 && strcmp(key, "audit") == 0) {
- struct ptlrpc_request *req;
- char *bufs[2] = {key, val};
- int rc, size[2] = {keylen, vallen};
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION,
- OST_SET_INFO, 2, size, bufs);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req->rq_replen = lustre_msg_size(0, NULL);
- lustre_swab_reqbuf(req, 1, sizeof(struct audit_attr_msg),
- lustre_swab_audit_attr);
- rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
-
+ }
+ if (KEY_IS(KEY_CHANGELOG_CLEAR)) {
+ rc = do_set_info_async(imp, MDS_SET_INFO, LUSTRE_MDS_VERSION,
+ keylen, key, vallen, val, set);
RETURN(rc);
- } else if (keylen == strlen("ids") && memcmp(key, "ids", keylen) == 0) {
- struct ptlrpc_request *req;
- struct lustre_id *ids = (struct lustre_id *)val;
- char *bufs[3] = {key, (char *)ids, (char *)(ids + 1)};
- int rc, size[3] = {keylen, sizeof(struct lustre_id),
- sizeof(struct lustre_id)};
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION,
- OST_SET_INFO, 3, size, bufs);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req->rq_replen = lustre_msg_size(0, NULL);
- rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
+ }
+ if (KEY_IS(KEY_HSM_COPYTOOL_SEND)) {
+ rc = mdc_hsm_copytool_send(vallen, val);
RETURN(rc);
}
+
RETURN(rc);
}
-static int mdc_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- unsigned long max_age)
+int mdc_get_info(struct obd_export *exp, __u32 keylen, void *key,
+ __u32 *vallen, void *val, struct lov_stripe_md *lsm)
{
- struct obd_statfs *msfs;
- struct ptlrpc_request *req;
- int rc, size = sizeof(*msfs);
- ENTRY;
+ int rc = -EINVAL;
- /* We could possibly pass max_age in the request (as an absolute
- * timestamp or a "seconds.usec ago") so the target can avoid doing
- * extra calls into the filesystem if that isn't necessary (e.g.
- * during mount that would help a bit). Having relative timestamps
- * is not so great if request processing is slow, while absolute
- * timestamps are not ideal because they need time synchronization. */
- req = ptlrpc_prep_req(obd->u.cli.cl_import, LUSTRE_MDS_VERSION,
- MDS_STATFS, 0, NULL, NULL);
- if (!req)
- RETURN(-ENOMEM);
+ if (KEY_IS(KEY_MAX_EASIZE)) {
+ int mdsize, *max_easize;
- req->rq_replen = lustre_msg_size(1, &size);
+ if (*vallen != sizeof(int))
+ RETURN(-EINVAL);
+ mdsize = *(int*)val;
+ if (mdsize > exp->exp_obd->u.cli.cl_max_mds_easize)
+ exp->exp_obd->u.cli.cl_max_mds_easize = mdsize;
+ max_easize = val;
+ *max_easize = exp->exp_obd->u.cli.cl_max_mds_easize;
+ RETURN(0);
+ }
+ if (KEY_IS(KEY_CONN_DATA)) {
+ struct obd_import *imp = class_exp2cliimp(exp);
+ struct obd_connect_data *data = val;
- mdc_get_rpc_lock(obd->u.cli.cl_rpc_lock, NULL);
- rc = ptlrpc_queue_wait(req);
- mdc_put_rpc_lock(obd->u.cli.cl_rpc_lock, NULL);
+ if (*vallen != sizeof(*data))
+ RETURN(-EINVAL);
- if (rc) {
- /* this can be LMV fake import, whcih is not connected. */
- if (!req->rq_import->imp_connection)
- memset(osfs, 0, sizeof(*osfs));
- GOTO(out, rc);
+ *data = imp->imp_connect_data;
+ RETURN(0);
}
- msfs = lustre_swab_repbuf(req, 0, sizeof(*msfs),
- lustre_swab_obd_statfs);
- if (msfs == NULL) {
- CERROR("Can't unpack obd_statfs\n");
- GOTO(out, rc = -EPROTO);
- }
+ rc = mdc_get_info_rpc(exp, keylen, key, *vallen, val);
- memcpy(osfs, msfs, sizeof (*msfs));
- EXIT;
-out:
- ptlrpc_req_finished(req);
- return rc;
+ RETURN(rc);
}
-static int mdc_pin(struct obd_export *exp, obd_id ino, __u32 gen, int type,
- struct obd_client_handle *handle, int flag)
+static int mdc_pin(struct obd_export *exp, const struct lu_fid *fid,
+ struct obd_capa *oc, struct obd_client_handle *handle,
+ int flags)
{
struct ptlrpc_request *req;
- struct mds_body *body;
- int rc, size[2] = {0, sizeof(*body)};
+ struct mdt_body *body;
+ int rc;
ENTRY;
- //size[0] = lustre_secdesc_size();
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_PIN, 2, size, NULL);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_PIN);
if (req == NULL)
RETURN(-ENOMEM);
- //lustre_pack_secdesc(req, size[0]);
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
- body = lustre_msg_buf(req->rq_reqmsg,
- MDS_REQ_REC_OFF, sizeof(*body));
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_PIN);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- /* FIXME-UMKA: here should be also mdsnum and fid. */
- mdc_pack_id(&body->id1, ino, gen, type, 0, 0);
- body->flags = flag;
+ mdc_pack_body(req, fid, oc, 0, 0, -1, flags);
- req->rq_replen = lustre_msg_size(1, &size[1]);
+ ptlrpc_request_set_replen(req);
mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
rc = ptlrpc_queue_wait(req);
mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
if (rc) {
- CERROR("pin failed: %d\n", rc);
- ptlrpc_req_finished(req);
- RETURN(rc);
+ CERROR("Pin failed: %d\n", rc);
+ GOTO(err_out, rc);
}
- body = lustre_swab_repbuf(req, 0, sizeof(*body), lustre_swab_mds_body);
- if (body == NULL) {
- ptlrpc_req_finished(req);
- RETURN(rc);
- }
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(err_out, rc = -EPROTO);
- memcpy(&handle->och_fh, &body->handle, sizeof(body->handle));
+ handle->och_fh = body->handle;
handle->och_magic = OBD_CLIENT_HANDLE_MAGIC;
- OBD_ALLOC(handle->och_mod, sizeof(*handle->och_mod));
+ handle->och_mod = obd_mod_alloc();
if (handle->och_mod == NULL) {
- DEBUG_REQ(D_ERROR, req, "can't allocate mdc_open_data");
- RETURN(-ENOMEM);
+ DEBUG_REQ(D_ERROR, req, "can't allocate md_open_data");
+ GOTO(err_out, rc = -ENOMEM);
}
handle->och_mod->mod_open_req = req; /* will be dropped by unpin */
+ RETURN(0);
+
+err_out:
+ ptlrpc_req_finished(req);
RETURN(rc);
}
-static int mdc_unpin(struct obd_export *exp,
- struct obd_client_handle *handle, int flag)
+static int mdc_unpin(struct obd_export *exp, struct obd_client_handle *handle,
+ int flag)
{
struct ptlrpc_request *req;
- struct mds_body *body;
- int rc, size[2] = {0, sizeof(*body)};
+ struct mdt_body *body;
+ int rc;
ENTRY;
- if (handle->och_magic != OBD_CLIENT_HANDLE_MAGIC)
- RETURN(0);
-
- //size[0] = lustre_secdesc_size();
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_CLOSE, 2, size, NULL);
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_MDS_UNPIN,
+ LUSTRE_MDS_VERSION, MDS_UNPIN);
if (req == NULL)
RETURN(-ENOMEM);
- //lustre_pack_secdesc(req, size[0]);
-
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF, sizeof(*body));
- memcpy(&body->handle, &handle->och_fh, sizeof(body->handle));
+ body = req_capsule_client_get(&req->rq_pill, &RMF_MDT_BODY);
+ body->handle = handle->och_fh;
body->flags = flag;
- req->rq_replen = lustre_msg_size(0, NULL);
+ ptlrpc_request_set_replen(req);
+
mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
rc = ptlrpc_queue_wait(req);
mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
if (rc != 0)
- CERROR("unpin failed: %d\n", rc);
+ CERROR("Unpin failed: %d\n", rc);
ptlrpc_req_finished(req);
ptlrpc_req_finished(handle->och_mod->mod_open_req);
- OBD_FREE(handle->och_mod, sizeof(*handle->och_mod));
+
+ obd_mod_put(handle->och_mod);
RETURN(rc);
}
-int mdc_sync(struct obd_export *exp, struct lustre_id *id,
- struct ptlrpc_request **request)
+int mdc_sync(struct obd_export *exp, const struct lu_fid *fid,
+ struct obd_capa *oc, struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
- struct mds_body *body;
- int size[2] = {0, sizeof(*body)};
- int rc;
+ int rc;
ENTRY;
- //size[0] = lustre_secdesc_size();
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_SYNC, 2, size, NULL);
- if (!req)
- RETURN(rc = -ENOMEM);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_SYNC);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- //lustre_pack_secdesc(req, size[0]);
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
- if (id) {
- body = lustre_msg_buf(req->rq_reqmsg, MDS_REQ_REC_OFF,
- sizeof (*body));
- memcpy(&body->id1, id, sizeof(*id));
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_SYNC);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- req->rq_replen = lustre_msg_size(1, &size[1]);
+ mdc_pack_body(req, fid, oc, 0, 0, -1, 0);
+
+ ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
- if (rc || request == NULL)
+ if (rc)
ptlrpc_req_finished(req);
else
*request = req;
-
RETURN(rc);
}
switch (event) {
case IMP_EVENT_DISCON: {
+#if 0
+ /* XXX Pass event up to OBDs stack. used only for FLD now */
+ rc = obd_notify_observer(obd, obd, OBD_NOTIFY_DISCON, NULL);
+#endif
break;
}
case IMP_EVENT_INACTIVE: {
- if (obd->obd_observer)
- rc = obd_notify(obd->obd_observer, obd, 0, 0);
+ struct client_obd *cli = &obd->u.cli;
+ /*
+ * Flush current sequence to make client obtain new one
+ * from server in case of disconnect/reconnect.
+ * If range is already empty then no need to flush it.
+ */
+ if (cli->cl_seq != NULL &&
+ !range_is_exhausted(&cli->cl_seq->lcs_space)) {
+ seq_client_flush(cli->cl_seq);
+ }
+
+ rc = obd_notify_observer(obd, obd, OBD_NOTIFY_INACTIVE, NULL);
break;
}
case IMP_EVENT_INVALIDATE: {
break;
}
case IMP_EVENT_ACTIVE: {
- if (obd->obd_observer)
- rc = obd_notify(obd->obd_observer, obd, 1, 0);
+ rc = obd_notify_observer(obd, obd, OBD_NOTIFY_ACTIVE, NULL);
break;
}
+ case IMP_EVENT_OCD:
+ rc = obd_notify_observer(obd, obd, OBD_NOTIFY_OCD, NULL);
+ break;
+
default:
- CERROR("Unknown import event %d\n", event);
+ CERROR("Unknown import event %x\n", event);
LBUG();
}
RETURN(rc);
}
-static int mdc_attach(struct obd_device *dev, obd_count len, void *data)
+static int mdc_fid_init(struct obd_export *exp)
+{
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+ char *prefix;
+ int rc;
+ ENTRY;
+
+ OBD_ALLOC_PTR(cli->cl_seq);
+ if (cli->cl_seq == NULL)
+ RETURN(-ENOMEM);
+
+ OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
+ if (prefix == NULL)
+ GOTO(out_free_seq, rc = -ENOMEM);
+
+ snprintf(prefix, MAX_OBD_NAME + 5, "srv-%s",
+ exp->exp_obd->obd_name);
+
+ /* Init client side sequence-manager */
+ rc = seq_client_init(cli->cl_seq, exp,
+ LUSTRE_SEQ_METADATA,
+ prefix, NULL);
+ OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ if (rc)
+ GOTO(out_free_seq, rc);
+
+ RETURN(rc);
+out_free_seq:
+ OBD_FREE_PTR(cli->cl_seq);
+ cli->cl_seq = NULL;
+ return rc;
+}
+
+static int mdc_fid_fini(struct obd_export *exp)
{
- struct lprocfs_static_vars lvars;
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+ ENTRY;
+
+ if (cli->cl_seq != NULL) {
+ seq_client_fini(cli->cl_seq);
+ OBD_FREE_PTR(cli->cl_seq);
+ cli->cl_seq = NULL;
+ }
+
+ RETURN(0);
+}
- lprocfs_init_vars(mdc, &lvars);
- return lprocfs_obd_attach(dev, lvars.obd_vars);
+int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
+ struct md_op_data *op_data)
+{
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+ struct lu_client_seq *seq = cli->cl_seq;
+ ENTRY;
+ RETURN(seq_client_alloc_fid(seq, fid));
}
-static int mdc_detach(struct obd_device *dev)
+/* XXX This method is used only to clear current fid seq
+ * once fld/mds insert failed */
+static int mdc_fid_delete(struct obd_export *exp, const struct lu_fid *fid)
{
- return lprocfs_obd_detach(dev);
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+
+ seq_client_flush(cli->cl_seq);
+ return 0;
+}
+
+struct obd_uuid *mdc_get_uuid(struct obd_export *exp) {
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+ return &cli->cl_target_uuid;
}
-static int mdc_setup(struct obd_device *obd, obd_count len, void *buf)
+static int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg)
{
struct client_obd *cli = &obd->u.cli;
+ struct lprocfs_static_vars lvars = { 0 };
int rc;
ENTRY;
GOTO(err_setattr_lock, rc = -ENOMEM);
mdc_init_rpc_lock(cli->cl_close_lock);
- rc = client_obd_setup(obd, len, buf);
+ rc = client_obd_setup(obd, cfg);
if (rc)
GOTO(err_close_lock, rc);
+ lprocfs_mdc_init_vars(&lvars);
+ lprocfs_obd_setup(obd, lvars.obd_vars);
+ sptlrpc_lprocfs_cliobd_attach(obd);
+ ptlrpc_lprocfs_register_obd(obd);
- rc = obd_llog_init(obd, &obd->obd_llogs, obd, 0, NULL);
+ rc = obd_llog_init(obd, &obd->obd_olg, obd, NULL);
if (rc) {
- mdc_cleanup(obd, 0);
+ mdc_cleanup(obd);
CERROR("failed to setup llogging subsystems\n");
}
RETURN(rc);
}
-static int mdc_init_ea_size(struct obd_export *exp, int easize, int cookiesize)
+/* Initialize the default and maximum LOV EA and cookie sizes. This allows
+ * us to make MDS RPCs with large enough reply buffers to hold the
+ * maximum-sized (= maximum striped) EA and cookie without having to
+ * calculate this (via a call into the LOV + OSCs) each time we make an RPC. */
+static int mdc_init_ea_size(struct obd_export *exp, int easize,
+ int def_easize, int cookiesize)
{
struct obd_device *obd = exp->exp_obd;
struct client_obd *cli = &obd->u.cli;
if (cli->cl_max_mds_easize < easize)
cli->cl_max_mds_easize = easize;
+
+ if (cli->cl_default_mds_easize < def_easize)
+ cli->cl_default_mds_easize = def_easize;
+
if (cli->cl_max_mds_cookiesize < cookiesize)
cli->cl_max_mds_cookiesize = cookiesize;
+
RETURN(0);
}
-static int mdc_precleanup(struct obd_device *obd, int flags)
+static int mdc_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
{
int rc = 0;
-
- rc = obd_llog_finish(obd, &obd->obd_llogs, 0);
- if (rc != 0)
- CERROR("failed to cleanup llogging subsystems\n");
+ ENTRY;
+ switch (stage) {
+ case OBD_CLEANUP_EARLY:
+ break;
+ case OBD_CLEANUP_EXPORTS:
+ /* Failsafe, ok if racy */
+ if (obd->obd_type->typ_refcnt <= 1)
+ libcfs_kkuc_group_rem(0, KUC_GRP_HSM);
+
+ /* If we set up but never connected, the
+ client import will not have been cleaned. */
+ if (obd->u.cli.cl_import) {
+ struct obd_import *imp;
+ cfs_down_write(&obd->u.cli.cl_sem);
+ imp = obd->u.cli.cl_import;
+ CERROR("client import never connected\n");
+ ptlrpc_invalidate_import(imp);
+ class_destroy_import(imp);
+ cfs_up_write(&obd->u.cli.cl_sem);
+ obd->u.cli.cl_import = NULL;
+ }
+ rc = obd_llog_finish(obd, 0);
+ if (rc != 0)
+ CERROR("failed to cleanup llogging subsystems\n");
+ break;
+ }
RETURN(rc);
}
-static int mdc_cleanup(struct obd_device *obd, int flags)
+static int mdc_cleanup(struct obd_device *obd)
{
struct client_obd *cli = &obd->u.cli;
OBD_FREE(cli->cl_setattr_lock, sizeof (*cli->cl_setattr_lock));
OBD_FREE(cli->cl_close_lock, sizeof (*cli->cl_close_lock));
+ ptlrpc_lprocfs_unregister_obd(obd);
+ lprocfs_obd_cleanup(obd);
ptlrpcd_decref();
- return client_obd_cleanup(obd, flags);
+ return client_obd_cleanup(obd);
}
-static int mdc_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
- struct obd_device *tgt, int count,
- struct llog_catid *logid)
+static int mdc_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
+ struct obd_device *tgt, int *index)
{
struct llog_ctxt *ctxt;
int rc;
ENTRY;
- rc = obd_llog_setup(obd, llogs, LLOG_CONFIG_REPL_CTXT, tgt, 0, NULL,
- &llog_client_ops);
+ LASSERT(olg == &obd->obd_olg);
+
+ rc = llog_setup(obd, olg, LLOG_LOVEA_REPL_CTXT, tgt, 0, NULL,
+ &llog_client_ops);
+ if (rc)
+ RETURN(rc);
+
+ ctxt = llog_get_context(obd, LLOG_LOVEA_REPL_CTXT);
+ llog_initiator_connect(ctxt);
+ llog_ctxt_put(ctxt);
+
+ rc = llog_setup(obd, olg, LLOG_CHANGELOG_REPL_CTXT, tgt, 0, NULL,
+ &llog_client_ops);
if (rc == 0) {
- ctxt = llog_get_context(llogs, LLOG_CONFIG_REPL_CTXT);
- ctxt->loc_imp = obd->u.cli.cl_import;
+ ctxt = llog_group_get_ctxt(olg, LLOG_CHANGELOG_REPL_CTXT);
+ llog_initiator_connect(ctxt);
+ llog_ctxt_put(ctxt);
}
RETURN(rc);
}
-static int mdc_llog_finish(struct obd_device *obd,
- struct obd_llogs *llogs, int count)
+static int mdc_llog_finish(struct obd_device *obd, int count)
{
- int rc;
+ struct llog_ctxt *ctxt;
+ int rc = 0;
ENTRY;
- rc = obd_llog_cleanup(llog_get_context(llogs, LLOG_CONFIG_REPL_CTXT));
+ ctxt = llog_get_context(obd, LLOG_LOVEA_REPL_CTXT);
+ if (ctxt)
+ rc = llog_cleanup(ctxt);
+
+ ctxt = llog_get_context(obd, LLOG_CHANGELOG_REPL_CTXT);
+ if (ctxt)
+ rc = llog_cleanup(ctxt);
+
RETURN(rc);
}
-static struct obd_device *mdc_get_real_obd(struct obd_export *exp,
- struct lustre_id *id)
+static int mdc_process_config(struct obd_device *obd, obd_count len, void *buf)
{
- ENTRY;
- RETURN(exp->exp_obd);
+ struct lustre_cfg *lcfg = buf;
+ struct lprocfs_static_vars lvars = { 0 };
+ int rc = 0;
+
+ lprocfs_mdc_init_vars(&lvars);
+ switch (lcfg->lcfg_command) {
+ default:
+ rc = class_process_proc_param(PARAM_MDC, lvars.obd_vars,
+ lcfg, obd);
+ if (rc > 0)
+ rc = 0;
+ break;
+ }
+ return(rc);
}
-static int mdc_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *valsize, void *val)
+
+/* get remote permission for current user on fid */
+int mdc_get_remote_perm(struct obd_export *exp, const struct lu_fid *fid,
+ struct obd_capa *oc, __u32 suppgid,
+ struct ptlrpc_request **request)
{
- struct ptlrpc_request *req;
- char *bufs[1] = {key};
- int rc = 0;
+ struct ptlrpc_request *req;
+ int rc;
ENTRY;
-
- if (!valsize || !val)
- RETURN(-EFAULT);
- if (keylen >= strlen("remote_flag") && !strcmp(key, "remote_flag")) {
- struct obd_import *imp;
- struct obd_connect_data *data;
+ LASSERT(client_is_remote(exp));
- imp = class_exp2cliimp(exp);
- if (!imp) {
- LBUG();
- RETURN(-EINVAL);
- }
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_GETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- if (imp->imp_state != LUSTRE_IMP_FULL) {
- CERROR("import state not full\n");
- RETURN(-EINVAL);
- }
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
- data = &imp->imp_connect_data;
- if (data->ocd_connect_flags & OBD_CONNECT_REMOTE) {
- *((int *)val) = 1;
- RETURN(0);
- } else if (data->ocd_connect_flags & OBD_CONNECT_LOCAL) {
- *((int *)val) = 0;
- RETURN(0);
- }
- CERROR("no remote flag set?\n");
- RETURN(-EINVAL);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- if ((keylen < strlen("mdsize") || strcmp(key, "mdsize") != 0) &&
- (keylen < strlen("mdsnum") || strcmp(key, "mdsnum") != 0) &&
- (keylen < strlen("lovdesc") || strcmp(key, "lovdesc") != 0) &&
- (keylen < strlen("getext") || strcmp(key, "getext") != 0) &&
- (keylen < strlen("rootid") || strcmp(key, "rootid") != 0) &&
- (keylen < strlen("auditid") || strcmp(key, "auditid") != 0))
- RETURN(-EPROTO);
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION,
- OST_GET_INFO, 1, (int *)&keylen, bufs);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req->rq_replen = lustre_msg_size(1, (int *)valsize);
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out_req, rc);
-
- if ((keylen >= strlen("rootid") && !strcmp(key, "rootid")) ||
- (keylen >= strlen("auditid") && !strcmp(key, "auditid"))) {
- struct lustre_id *reply;
-
- reply = lustre_swab_repbuf(req, 0, sizeof(*reply),
- lustre_swab_lustre_id);
- if (reply == NULL) {
- CERROR("Can't unpack %s\n", (char *)key);
- GOTO(out_req, rc = -EPROTO);
- }
+ mdc_pack_body(req, fid, oc, OBD_MD_FLRMTPERM, 0, suppgid, 0);
- *(struct lustre_id *)val = *reply;
- } else if (keylen >= strlen("lovdesc") && !strcmp(key, "lovdesc")) {
- struct lov_desc *reply;
-
- reply = lustre_swab_repbuf(req, 0, sizeof(*reply),
- lustre_swab_lov_desc);
- if (reply == NULL) {
- CERROR("Can't unpack %s\n", (char *)key);
- GOTO(out_req, rc = -EPROTO);
- }
+ req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER,
+ sizeof(struct mdt_remote_perm));
- *(struct lov_desc *)val = *reply;
- RETURN(0);
- } else if (keylen >= strlen("getext") && !strcmp(key, "getext")) {
- struct fid_extent *reply;
-
- reply = lustre_swab_repbuf(req, 0, sizeof(*reply),
- lustre_swab_fid_extent);
- if (reply == NULL) {
- CERROR("Can't unpack %s\n", (char *)key);
- GOTO(out_req, rc = -EPROTO);
- }
+ ptlrpc_request_set_replen(req);
- *(struct fid_extent *)val = *reply;
- RETURN(0);
- } else {
- __u32 *reply;
-
- reply = lustre_swab_repbuf(req, 0, sizeof(*reply),
- lustre_swab_generic_32s);
- if (reply == NULL) {
- CERROR("Can't unpack %s\n", (char *)key);
- GOTO(out_req, rc = -EPROTO);
- }
- *((__u32 *)val) = *reply;
- }
-out_req:
- ptlrpc_req_finished(req);
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
RETURN(rc);
}
-int mdc_obj_create(struct obd_export *exp, struct obdo *oa,
- void *acl, int acl_size, struct lov_stripe_md **ea,
- struct obd_trans_info *oti)
+static int mdc_interpret_renew_capa(const struct lu_env *env,
+ struct ptlrpc_request *req, void *unused,
+ int status)
{
- struct ptlrpc_request *request;
- struct ost_body *body;
- char *acl_buf;
- int rc, size[2] = { sizeof(*body), acl_size };
+ struct obd_capa *oc = req->rq_async_args.pointer_arg[0];
+ renew_capa_cb_t cb = req->rq_async_args.pointer_arg[1];
+ struct mdt_body *body = NULL;
+ struct lustre_capa *capa;
ENTRY;
- LASSERT(oa);
+ if (status)
+ GOTO(out, capa = ERR_PTR(status));
- request = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION,
- OST_CREATE, 2, size, NULL);
- if (!request)
- GOTO(out_req, rc = -ENOMEM);
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(out, capa = ERR_PTR(-EFAULT));
- body = lustre_msg_buf(request->rq_reqmsg, 0, sizeof (*body));
- memcpy(&body->oa, oa, sizeof(body->oa));
+ if ((body->valid & OBD_MD_FLOSSCAPA) == 0)
+ GOTO(out, capa = ERR_PTR(-ENOENT));
- if (acl_size) {
- acl_buf = lustre_msg_buf(request->rq_reqmsg, 1, acl_size);
- memcpy(acl_buf, acl, acl_size);
- }
-
- request->rq_replen = lustre_msg_size(1, size);
- rc = ptlrpc_queue_wait(request);
- if (rc)
- GOTO(out_req, rc);
-
- body = lustre_swab_repbuf(request, 0, sizeof(*body),
- lustre_swab_ost_body);
- if (body == NULL) {
- CERROR ("can't unpack ost_body\n");
- GOTO (out_req, rc = -EPROTO);
- }
-
- memcpy(oa, &body->oa, sizeof(*oa));
-
- /* store ino/generation for recovery */
- body = lustre_msg_buf(request->rq_reqmsg, 0, sizeof (*body));
- body->oa.o_id = oa->o_id;
- body->oa.o_generation = oa->o_generation;
- body->oa.o_fid = oa->o_fid;
- body->oa.o_mds = oa->o_mds;
-
- CDEBUG(D_HA, "transno: "LPD64"\n", request->rq_repmsg->transno);
+ capa = req_capsule_server_get(&req->rq_pill, &RMF_CAPA2);
+ if (!capa)
+ GOTO(out, capa = ERR_PTR(-EFAULT));
EXIT;
-out_req:
- ptlrpc_req_finished(request);
- return rc;
+out:
+ cb(oc, capa);
+ return 0;
}
-int mdc_brw(int rw, struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_count oa_bufs,
- struct brw_page *pgarr, struct obd_trans_info *oti)
+static int mdc_renew_capa(struct obd_export *exp, struct obd_capa *oc,
+ renew_capa_cb_t cb)
{
- struct ptlrpc_bulk_desc *desc;
- struct niobuf_remote *niobuf;
struct ptlrpc_request *req;
- struct obd_ioobj *ioobj;
- struct ost_body *body;
- int err, opc, i;
- int size[3];
-
- opc = ((rw & OBD_BRW_WRITE) != 0) ? OST_WRITE : OST_READ;
-
- size[0] = sizeof(*body);
- size[1] = sizeof(*ioobj);
- size[2] = oa_bufs * sizeof(*niobuf);
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_OBD_VERSION, opc,
- 3, size, NULL);
- LASSERT(req != NULL);
-
- if (opc == OST_WRITE)
- desc = ptlrpc_prep_bulk_imp(req, oa_bufs, BULK_GET_SOURCE,
- OST_BULK_PORTAL);
- else
- desc = ptlrpc_prep_bulk_imp(req, oa_bufs, BULK_PUT_SINK,
- OST_BULK_PORTAL);
- LASSERT(desc != NULL);
-
- body = lustre_msg_buf(req->rq_reqmsg, 0, sizeof(*body));
- ioobj = lustre_msg_buf(req->rq_reqmsg, 1, sizeof(*ioobj));
- niobuf = lustre_msg_buf(req->rq_reqmsg, 2, oa_bufs * sizeof(*niobuf));
-
- memcpy(&body->oa, oa, sizeof(*oa));
- obdo_to_ioobj(oa, ioobj);
- ioobj->ioo_bufcnt = oa_bufs;
-
- for (i = 0; i < oa_bufs; i++, niobuf++) {
- struct brw_page *pg = &pgarr[i];
-
- LASSERT(pg->count > 0);
- LASSERT((pg->disk_offset & ~PAGE_MASK) + pg->count <= PAGE_SIZE);
-
- ptlrpc_prep_bulk_page(desc, pg->pg, pg->disk_offset & ~PAGE_MASK,
- pg->count);
+ ENTRY;
- niobuf->offset = pg->disk_offset;
- niobuf->len = pg->count;
- niobuf->flags = pg->flag;
- }
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_MDS_GETATTR,
+ LUSTRE_MDS_VERSION, MDS_GETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- /* size[0] still sizeof (*body) */
- if (opc == OST_WRITE) {
- /* 1 RC per niobuf */
- size[1] = sizeof(__u32) * oa_bufs;
- req->rq_replen = lustre_msg_size(2, size);
- } else {
- /* 1 RC for the whole I/O */
- req->rq_replen = lustre_msg_size(1, size);
- }
- err = ptlrpc_queue_wait(req);
- LASSERT(err == 0);
+ /* NB, OBD_MD_FLOSSCAPA is set here, but it doesn't necessarily mean the
+ * capa to renew is oss capa.
+ */
+ mdc_pack_body(req, &oc->c_capa.lc_fid, oc, OBD_MD_FLOSSCAPA, 0, -1, 0);
+ ptlrpc_request_set_replen(req);
- ptlrpc_req_finished(req);
- return 0;
+ req->rq_async_args.pointer_arg[0] = oc;
+ req->rq_async_args.pointer_arg[1] = cb;
+ req->rq_interpret_reply = mdc_interpret_renew_capa;
+ ptlrpcd_add_req(req, PSCOPE_OTHER);
+ RETURN(0);
}
-static int mdc_valid_attrs(struct obd_export *exp,
- struct lustre_id *id)
+static int mdc_connect(const struct lu_env *env,
+ struct obd_export **exp,
+ struct obd_device *obd, struct obd_uuid *cluuid,
+ struct obd_connect_data *data,
+ void *localdata)
{
- struct ldlm_res_id res_id = { .name = {0} };
- struct obd_device *obd = exp->exp_obd;
- struct lustre_handle lockh;
- ldlm_policy_data_t policy;
- int flags;
- ENTRY;
-
- res_id.name[0] = id_fid(id);
- res_id.name[1] = id_group(id);
- policy.l_inodebits.bits = MDS_INODELOCK_UPDATE;
-
- CDEBUG(D_INFO, "trying to match res "LPU64"\n",
- res_id.name[0]);
-
- /* FIXME use LDLM_FL_TEST_LOCK instead */
- flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING;
- if (ldlm_lock_match(obd->obd_namespace, flags, &res_id,
- LDLM_IBITS, &policy, LCK_PR, &lockh)) {
- ldlm_lock_decref(&lockh, LCK_PR);
- RETURN(1);
- }
+ struct obd_import *imp = obd->u.cli.cl_import;
- if (ldlm_lock_match(obd->obd_namespace, flags, &res_id,
- LDLM_IBITS, &policy, LCK_PW, &lockh)) {
- ldlm_lock_decref(&lockh, LCK_PW);
- RETURN(1);
+ /* mds-mds import features */
+ if (data && (data->ocd_connect_flags & OBD_CONNECT_MDS_MDS)) {
+ cfs_spin_lock(&imp->imp_lock);
+ imp->imp_server_timeout = 1;
+ cfs_spin_unlock(&imp->imp_lock);
+ imp->imp_client->cli_request_portal = MDS_MDS_PORTAL;
+ CDEBUG(D_OTHER, "%s: Set 'mds' portal and timeout\n",
+ obd->obd_name);
}
- RETURN(0);
-}
-static int mdc_change_cbdata_name(struct obd_export *exp,
- struct lustre_id *pid,
- char *name, int len,
- struct lustre_id *cid,
- ldlm_iterator_t it, void *data)
-{
- int rc;
- rc = mdc_change_cbdata(exp, cid, it, data);
- RETURN(rc);
+ return client_connect_import(env, exp, obd, cluuid, data, NULL);
}
struct obd_ops mdc_obd_ops = {
- .o_owner = THIS_MODULE,
- .o_attach = mdc_attach,
- .o_detach = mdc_detach,
- .o_setup = mdc_setup,
- .o_precleanup = mdc_precleanup,
- .o_cleanup = mdc_cleanup,
- .o_add_conn = client_import_add_conn,
- .o_del_conn = client_import_del_conn,
- .o_connect = client_connect_import,
- .o_disconnect = client_disconnect_export,
- .o_iocontrol = mdc_iocontrol,
- .o_packmd = mdc_packmd,
- .o_unpackmd = mdc_unpackmd,
- .o_statfs = mdc_statfs,
- .o_pin = mdc_pin,
- .o_unpin = mdc_unpin,
- .o_import_event = mdc_import_event,
- .o_llog_init = mdc_llog_init,
- .o_llog_finish = mdc_llog_finish,
- .o_create = mdc_obj_create,
- .o_set_info = mdc_set_info,
- .o_get_info = mdc_get_info,
- .o_brw = mdc_brw,
- .o_cancel_unused = mdc_cancel_unused,
- .o_init_ea_size = mdc_init_ea_size,
+ .o_owner = THIS_MODULE,
+ .o_setup = mdc_setup,
+ .o_precleanup = mdc_precleanup,
+ .o_cleanup = mdc_cleanup,
+ .o_add_conn = client_import_add_conn,
+ .o_del_conn = client_import_del_conn,
+ .o_connect = mdc_connect,
+ .o_disconnect = client_disconnect_export,
+ .o_iocontrol = mdc_iocontrol,
+ .o_set_info_async = mdc_set_info_async,
+ .o_statfs = mdc_statfs,
+ .o_pin = mdc_pin,
+ .o_unpin = mdc_unpin,
+ .o_fid_init = mdc_fid_init,
+ .o_fid_fini = mdc_fid_fini,
+ .o_fid_alloc = mdc_fid_alloc,
+ .o_fid_delete = mdc_fid_delete,
+ .o_import_event = mdc_import_event,
+ .o_llog_init = mdc_llog_init,
+ .o_llog_finish = mdc_llog_finish,
+ .o_get_info = mdc_get_info,
+ .o_process_config = mdc_process_config,
+ .o_get_uuid = mdc_get_uuid,
};
struct md_ops mdc_md_ops = {
- .m_getstatus = mdc_getstatus,
- .m_getattr = mdc_getattr,
- .m_close = mdc_close,
- .m_create = mdc_create,
- .m_done_writing = mdc_done_writing,
- .m_enqueue = mdc_enqueue,
- .m_getattr_lock = mdc_getattr_lock,
- .m_intent_lock = mdc_intent_lock,
- .m_link = mdc_link,
- .m_rename = mdc_rename,
- .m_setattr = mdc_setattr,
- .m_sync = mdc_sync,
- .m_readpage = mdc_readpage,
- .m_unlink = mdc_unlink,
- .m_valid_attrs = mdc_valid_attrs,
- .m_req2lustre_md = mdc_req2lustre_md,
- .m_set_open_replay_data = mdc_set_open_replay_data,
+ .m_getstatus = mdc_getstatus,
+ .m_change_cbdata = mdc_change_cbdata,
+ .m_close = mdc_close,
+ .m_create = mdc_create,
+ .m_done_writing = mdc_done_writing,
+ .m_enqueue = mdc_enqueue,
+ .m_getattr = mdc_getattr,
+ .m_getattr_name = mdc_getattr_name,
+ .m_intent_lock = mdc_intent_lock,
+ .m_link = mdc_link,
+ .m_is_subdir = mdc_is_subdir,
+ .m_rename = mdc_rename,
+ .m_setattr = mdc_setattr,
+ .m_setxattr = mdc_setxattr,
+ .m_getxattr = mdc_getxattr,
+ .m_sync = mdc_sync,
+ .m_readpage = mdc_readpage,
+ .m_unlink = mdc_unlink,
+ .m_cancel_unused = mdc_cancel_unused,
+ .m_init_ea_size = mdc_init_ea_size,
+ .m_set_lock_data = mdc_set_lock_data,
+ .m_lock_match = mdc_lock_match,
+ .m_get_lustre_md = mdc_get_lustre_md,
+ .m_free_lustre_md = mdc_free_lustre_md,
+ .m_set_open_replay_data = mdc_set_open_replay_data,
.m_clear_open_replay_data = mdc_clear_open_replay_data,
- .m_store_inode_generation = mdc_store_inode_generation,
- .m_set_lock_data = mdc_set_lock_data,
- .m_get_real_obd = mdc_get_real_obd,
- .m_change_cbdata_name = mdc_change_cbdata_name,
- .m_change_cbdata = mdc_change_cbdata,
- .m_access_check = mdc_access_check,
+ .m_renew_capa = mdc_renew_capa,
+ .m_unpack_capa = mdc_unpack_capa,
+ .m_get_remote_perm = mdc_get_remote_perm,
+ .m_intent_getattr_async = mdc_intent_getattr_async,
+ .m_revalidate_lock = mdc_revalidate_lock
};
int __init mdc_init(void)
{
- struct lprocfs_static_vars lvars;
-
- lprocfs_init_vars(mdc, &lvars);
- return class_register_type(&mdc_obd_ops, &mdc_md_ops,
- lvars.module_vars, OBD_MDC_DEVICENAME);
+ int rc;
+ struct lprocfs_static_vars lvars = { 0 };
+ lprocfs_mdc_init_vars(&lvars);
+
+ cfs_request_module("lquota");
+ quota_interface = PORTAL_SYMBOL_GET(mdc_quota_interface);
+ init_obd_quota_ops(quota_interface, &mdc_obd_ops);
+
+ rc = class_register_type(&mdc_obd_ops, &mdc_md_ops, lvars.module_vars,
+ LUSTRE_MDC_NAME, NULL);
+ if (rc && quota_interface)
+ PORTAL_SYMBOL_PUT(mdc_quota_interface);
+
+ RETURN(rc);
}
#ifdef __KERNEL__
static void /*__exit*/ mdc_exit(void)
{
- class_unregister_type(OBD_MDC_DEVICENAME);
+ if (quota_interface)
+ PORTAL_SYMBOL_PUT(mdc_quota_interface);
+
+ class_unregister_type(LUSTRE_MDC_NAME);
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Metadata Client");
MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(mdc_req2lustre_md);
-EXPORT_SYMBOL(mdc_change_cbdata);
-EXPORT_SYMBOL(mdc_getstatus);
-EXPORT_SYMBOL(mdc_getattr);
-EXPORT_SYMBOL(mdc_getattr_lock);
-EXPORT_SYMBOL(mdc_create);
-EXPORT_SYMBOL(mdc_unlink);
-EXPORT_SYMBOL(mdc_rename);
-EXPORT_SYMBOL(mdc_link);
-EXPORT_SYMBOL(mdc_readpage);
-EXPORT_SYMBOL(mdc_setattr);
-EXPORT_SYMBOL(mdc_close);
-EXPORT_SYMBOL(mdc_done_writing);
-EXPORT_SYMBOL(mdc_sync);
-EXPORT_SYMBOL(mdc_set_open_replay_data);
-EXPORT_SYMBOL(mdc_clear_open_replay_data);
-EXPORT_SYMBOL(mdc_store_inode_generation);
-
module_init(mdc_init);
module_exit(mdc_exit);
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff