/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is 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.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * 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).
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
+ * 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/lustre_acl.h>
+#include <lustre_acl.h>
#include <obd_class.h>
#include <lustre_dlm.h>
#include <lustre_fid.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
#include "mdc_internal.h"
-
-static quota_interface_t *quota_interface;
+#include <lustre/lustre_idl.h>
#define REQUEST_MINOR 244
+struct mdc_renew_capa_args {
+ struct obd_capa *ra_oc;
+ renew_capa_cb_t ra_cb;
+};
+
static quota_interface_t *quota_interface;
extern quota_interface_t mdc_quota_interface;
static int mdc_cleanup(struct obd_device *obd);
-static struct obd_capa *mdc_unpack_capa(struct ptlrpc_request *req,
- unsigned int offset)
+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 *oc;
+ struct obd_capa *c;
+ ENTRY;
/* swabbed already in mdc_enqueue */
- capa = lustre_msg_buf(req->rq_repmsg, offset, sizeof(*capa));
- if (capa == NULL) {
- CERROR("missing capa at offset %d failed!\n", offset);
- return ERR_PTR(-EFAULT);
- }
-
- oc = alloc_capa(CAPA_SITE_CLIENT);
- if (!oc) {
- CERROR("alloc capa failed!\n");
- return ERR_PTR(-ENOMEM);
+ 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);
}
- oc->c_capa = *capa;
-
- return oc;
}
/* Helper that implements most of mdc_getstatus and signal_completed_replay. */
struct obd_capa **pc, int level, int msg_flags)
{
struct ptlrpc_request *req;
- struct mdt_body *body;
- int rc, size[3] = { sizeof(struct ptlrpc_body),
- sizeof(*body),
- sizeof(struct lustre_capa) };
+ struct mdt_body *body;
+ int rc;
ENTRY;
- req = ptlrpc_prep_req(imp, LUSTRE_MDS_VERSION, MDS_GETSTATUS, 2, size,
- NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
-
- req->rq_send_state = level;
- ptlrpc_req_set_repsize(req, 3, size);
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_GETSTATUS,
+ LUSTRE_MDS_VERSION, MDS_GETSTATUS);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- mdc_pack_req_body(req, REQ_REC_OFF, 0, NULL, NULL, 0, 0);
+ mdc_pack_body(req, NULL, NULL, 0, 0, -1, 0);
lustre_msg_add_flags(req->rq_reqmsg, msg_flags);
- rc = ptlrpc_queue_wait(req);
-
- if (!rc) {
- body = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
- if (body == NULL) {
- CERROR ("Can't extract mdt_body\n");
- GOTO (out, rc = -EPROTO);
- }
+ req->rq_send_state = level;
- *rootfid = body->fid1;
+ ptlrpc_request_set_replen(req);
- if (body->valid & OBD_MD_FLMDSCAPA) {
- struct obd_capa *oc;
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- oc = mdc_unpack_capa(req, REPLY_REC_OFF + 1);
- if (IS_ERR(oc))
- GOTO(out, rc = PTR_ERR(oc));
- *pc = oc;
- }
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
- CDEBUG(D_NET, "root fid="DFID", last_committed="LPU64
- ", last_xid="LPU64"\n",
- PFID(rootfid),
- lustre_msg_get_last_committed(req->rq_repmsg),
- lustre_msg_get_last_xid(req->rq_repmsg));
+ 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;
}
int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid,
struct obd_capa **pc)
{
- return send_getstatus(class_exp2cliimp(exp), rootfid, pc,
+ return send_getstatus(class_exp2cliimp(exp), rootfid, pc,
LUSTRE_IMP_FULL, 0);
}
/*
* 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
- * willcontain 4 fields and RPC itself will contain zero size fields. This is
+ * 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 shirinks it, making zero size. The same story about
+ * 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 awar of RPC
+ * 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, unsigned int ea_size,
- unsigned int acl_size, int mdscapa,
+static int mdc_getattr_common(struct obd_export *exp,
struct ptlrpc_request *req)
{
- struct mdt_body *body;
- void *eadata;
- int size[5] = { sizeof(struct ptlrpc_body),
- sizeof(*body),
- ea_size,
- acl_size,
- sizeof(struct lustre_capa) };
- int offset, rc;
+ struct req_capsule *pill = &req->rq_pill;
+ struct mdt_body *body;
+ void *eadata;
+ int rc;
ENTRY;
/* Request message already built. */
- if (ea_size)
- CDEBUG(D_INODE, "reserved %u bytes for MD/symlink in packet\n",
- ea_size);
- if (acl_size)
- CDEBUG(D_INODE, "reserved %u bytes for ACL\n", acl_size);
-
- ptlrpc_req_set_repsize(req, 5, size);
-
rc = ptlrpc_queue_wait(req);
if (rc != 0)
- RETURN (rc);
+ RETURN(rc);
- body = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
- if (body == NULL) {
- CERROR ("Can't unpack mdt_body\n");
- RETURN (-EPROTO);
- }
+ /* sanity check for the reply */
+ body = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EPROTO);
CDEBUG(D_NET, "mode: %o\n", body->mode);
- offset = REPLY_REC_OFF + 1;
- lustre_set_rep_swabbed(req, offset);
if (body->eadatasize != 0) {
- /* reply indicates presence of eadata; check it's there... */
- eadata = lustre_msg_buf(req->rq_repmsg, offset++,
- body->eadatasize);
- if (eadata == NULL) {
- CERROR ("Missing/short eadata\n");
- RETURN (-EPROTO);
- }
+ mdc_update_max_ea_from_body(exp, body);
+
+ eadata = req_capsule_server_sized_get(pill, &RMF_MDT_MD,
+ body->eadatasize);
+ if (eadata == NULL)
+ RETURN(-EPROTO);
}
- if (body->valid & OBD_MD_FLMODEASIZE) {
- struct client_obd *cli = &exp->exp_obd->u.cli;
+ if (body->valid & OBD_MD_FLRMTPERM) {
+ struct mdt_remote_perm *perm;
- if (cli->cl_max_mds_easize < body->max_mdsize)
- cli->cl_max_mds_easize = body->max_mdsize;
- if (cli->cl_max_mds_cookiesize < body->max_cookiesize)
- cli->cl_max_mds_cookiesize = body->max_cookiesize;
+ LASSERT(client_is_remote(exp));
+ perm = req_capsule_server_swab_get(pill, &RMF_ACL,
+ lustre_swab_mdt_remote_perm);
+ if (perm == NULL)
+ RETURN(-EPROTO);
}
- offset += !!body->aclsize;
-
if (body->valid & OBD_MD_FLMDSCAPA) {
struct lustre_capa *capa;
-
- LASSERT(mdscapa);
- capa = lustre_unpack_capa(req->rq_repmsg, offset++);
- if (capa == NULL) {
- CERROR("Missing/short client MDS capability\n");
+ capa = req_capsule_server_get(pill, &RMF_CAPA1);
+ if (capa == NULL)
RETURN(-EPROTO);
- }
}
- RETURN (0);
+ RETURN(0);
}
-int mdc_getattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, obd_valid valid, int ea_size,
+int mdc_getattr(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
- int size[3] = { sizeof(struct ptlrpc_body), sizeof(struct mdt_body) };
- int acl_size = 0, rc;
+ int rc;
ENTRY;
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_GETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- /*
- * XXX: Do we need to make another request here? We just did a getattr
- * to do the lookup in the first place.
- */
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_GETATTR, 3, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_pack_req_body(req, REQ_REC_OFF, valid, fid, oc, ea_size,
- MDS_BFLAG_EXT_FLAGS/*request "new" flags(bug 9486)*/);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- if (valid & OBD_MD_FLRMTPERM)
- acl_size = sizeof(struct mdt_remote_perm);
-
- /* Currently only root inode will call us with FLACL */
- else if (valid & OBD_MD_FLACL)
- acl_size = LUSTRE_POSIX_ACL_MAX_SIZE;
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
+ op_data->op_valid, op_data->op_mode, -1, 0);
- rc = mdc_getattr_common(exp, ea_size, acl_size,
- !!(valid & OBD_MD_FLMDSCAPA), req);
- if (rc != 0) {
- ptlrpc_req_finished (req);
- req = NULL;
+ 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));
}
- out:
- *request = req;
- RETURN (rc);
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_getattr_common(exp, req);
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
-int mdc_getattr_name(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, const char *filename, int namelen,
- obd_valid valid, int ea_size,
+int mdc_getattr_name(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
- struct mdt_body *body;
- int size[4] = { sizeof(struct ptlrpc_body), sizeof(*body), 0, namelen};
- int rc;
+ int rc;
ENTRY;
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
-
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_GETATTR_NAME, 4, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_GETATTR_NAME);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- mdc_pack_req_body(req, REQ_REC_OFF, valid, fid, oc, ea_size,
- MDS_BFLAG_EXT_FLAGS/*request "new" flags(bug 9486)*/);
+ 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 (filename) {
- LASSERT(strnlen(filename, namelen) == namelen - 1);
- memcpy(lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF + 2, namelen),
- filename, namelen);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR_NAME);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- rc = mdc_getattr_common(exp, ea_size, 0, !!(valid & OBD_MD_FLMDSCAPA),
- req);
- if (rc != 0) {
- ptlrpc_req_finished (req);
- req = NULL;
+ 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 (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);
}
- out:
- *request = req;
+
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
+ op_data->op_mode);
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_getattr_common(exp, req);
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
RETURN(rc);
}
-static int mdc_is_subdir(struct obd_export *exp, const struct lu_fid *pfid,
- const struct lu_fid *cfid, 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)
{
- int size[2] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_body) };
- struct ptlrpc_request *req;
- struct mdt_body *body;
- int rc;
+ struct ptlrpc_request *req;
+ int rc;
+
ENTRY;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_IS_SUBDIR, 2, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
+ *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);
- mdc_is_subdir_pack(req, REQ_REC_OFF, pfid, cfid, 0);
+ mdc_is_subdir_pack(req, pfid, cfid, 0);
+ ptlrpc_request_set_replen(req);
- ptlrpc_req_set_repsize(req, 2, size);
rc = ptlrpc_queue_wait(req);
- if (rc != 0 && rc != -EREMOTE)
- GOTO(out, rc);
-
- body = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
- if (body == NULL) {
- CERROR ("Can't unpack mdt_body\n");
- GOTO(out, rc = -EPROTO);
- }
- EXIT;
- out:
- *request = req;
- return rc;
+ if (rc && rc != -EREMOTE)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
-static
-int mdc_xattr_common(struct obd_export *exp, 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, 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;
- int size[5] = { sizeof(struct ptlrpc_body), sizeof(struct mdt_body) };
- int bufcnt = 3, offset = REQ_REC_OFF + 2;
- int rc, xattr_namelen = 0, remote_acl = 0;
- void *tmp;
+ int xattr_namelen = 0;
+ char *tmp;
+ int rc;
ENTRY;
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), fmt);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
if (xattr_name) {
xattr_namelen = strlen(xattr_name) + 1;
- size[bufcnt++] = xattr_namelen;
+ req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
+ xattr_namelen);
}
if (input_size) {
LASSERT(input);
- size[bufcnt++] = input_size;
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
+ input_size);
}
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- opcode, bufcnt, size, NULL);
- if (!req)
- GOTO(out, rc = -ENOMEM);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, opcode);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- /* request data */
- mdc_pack_req_body(req, REQ_REC_OFF, valid, fid, oc, output_size, flags);
+ 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 {
+ mdc_pack_body(req, fid, oc, valid, output_size, suppgid, flags);
+ }
if (xattr_name) {
- tmp = lustre_msg_buf(req->rq_reqmsg, offset++, xattr_namelen);
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
memcpy(tmp, xattr_name, xattr_namelen);
- if (!strcmp(xattr_name, XATTR_NAME_LUSTRE_ACL))
- remote_acl = 1;
}
if (input_size) {
- tmp = lustre_msg_buf(req->rq_reqmsg, offset++, input_size);
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
memcpy(tmp, input, input_size);
}
- /* reply buffers */
- if (opcode == MDS_GETXATTR) {
- size[REPLY_REC_OFF] = sizeof(struct mdt_body);
- bufcnt = 2;
- } else {
- bufcnt = 1;
- }
-
- /* we do this even output_size is 0, because server is doing that */
- size[bufcnt++] = output_size;
- ptlrpc_req_set_repsize(req, bufcnt, 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 */
- /* NB: set remote acl doesn't need hold rpc lock, because it just
- * send command to MDS, and when it's executed on mountpoint on MDS,
- * another mdc_xattr_common() will be invoked there. */
- if (opcode == MDS_SETXATTR && !remote_acl)
+ 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_SETXATTR && !remote_acl)
+ if (opcode == MDS_REINT)
mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
- if (rc != 0)
- GOTO(err_out, rc);
-
- if (opcode == MDS_GETXATTR) {
- struct mdt_body * body = lustre_swab_repbuf(req, REPLY_REC_OFF,
- sizeof(*body), lustre_swab_mdt_body);
- if (body == NULL) {
- CERROR ("Can't unpack mdt_body\n");
- GOTO(err_out, rc = -EPROTO);
- }
- }
-out:
- *request = req;
- RETURN (rc);
-err_out:
- ptlrpc_req_finished(req);
- req = NULL;
- goto out;
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
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,
- struct ptlrpc_request **request)
+ const char *input, int input_size, int output_size,
+ int flags, __u32 suppgid, struct ptlrpc_request **request)
{
- return mdc_xattr_common(exp, fid, oc, MDS_SETXATTR, valid, xattr_name,
- input, input_size, output_size, flags, request);
+ return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
+ fid, oc, MDS_REINT, valid, xattr_name,
+ input, input_size, output_size, flags,
+ suppgid, request);
}
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)
+ const char *input, int input_size, int output_size,
+ int flags, struct ptlrpc_request **request)
{
- return mdc_xattr_common(exp, fid, oc, MDS_GETXATTR, valid, xattr_name,
- input, input_size, output_size, flags, request);
+ return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
+ fid, oc, MDS_GETXATTR, valid, xattr_name,
+ input, input_size, output_size, flags,
+ -1, request);
}
#ifdef CONFIG_FS_POSIX_ACL
-static
-int mdc_unpack_acl(struct obd_export *exp, struct ptlrpc_request *req,
- struct lustre_md *md, unsigned int offset)
+static int mdc_unpack_acl(struct ptlrpc_request *req, struct lustre_md *md)
{
- struct mdt_body *body = md->body;
- struct posix_acl *acl;
- void *buf;
- int rc;
+ struct req_capsule *pill = &req->rq_pill;
+ struct mdt_body *body = md->body;
+ struct posix_acl *acl;
+ void *buf;
+ int rc;
+ ENTRY;
if (!body->aclsize)
- return 0;
+ RETURN(0);
- buf = lustre_msg_buf(req->rq_repmsg, offset, body->aclsize);
- if (!buf) {
- CERROR("aclsize %u, bufcount %u, bufsize %u\n",
- body->aclsize, lustre_msg_bufcount(req->rq_repmsg),
- (lustre_msg_bufcount(req->rq_repmsg) <= offset) ?
- -1 : lustre_msg_buflen(req->rq_repmsg, offset));
- return -EPROTO;
- }
+ buf = req_capsule_server_sized_get(pill, &RMF_ACL, body->aclsize);
+
+ if (!buf)
+ RETURN(-EPROTO);
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;
+ RETURN(rc);
}
rc = posix_acl_valid(acl);
if (rc) {
CERROR("validate acl: %d\n", rc);
posix_acl_release(acl);
- return rc;
+ RETURN(rc);
}
md->posix_acl = acl;
- return 0;
+ RETURN(0);
}
#else
-#define mdc_unpack_acl(exp, req, md, offset) 0
+#define mdc_unpack_acl(req, md) 0
#endif
int mdc_get_lustre_md(struct obd_export *exp, struct ptlrpc_request *req,
- int offset, struct obd_export *dt_exp,
- struct obd_export *md_exp,
+ struct obd_export *dt_exp, struct obd_export *md_exp,
struct lustre_md *md)
{
+ struct req_capsule *pill = &req->rq_pill;
int rc;
ENTRY;
LASSERT(md);
memset(md, 0, sizeof(*md));
- md->body = lustre_msg_buf(req->rq_repmsg, offset, sizeof (*md->body));
- LASSERT (md->body != NULL);
- LASSERT(lustre_rep_swabbed(req, offset));
- offset++;
+ md->body = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ LASSERT(md->body != NULL);
if (md->body->valid & OBD_MD_FLEASIZE) {
int lmmsize;
struct lov_mds_md *lmm;
if (!S_ISREG(md->body->mode)) {
- CERROR("OBD_MD_FLEASIZE set, should be a regular file, "
- "but is not\n");
+ CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, should be a "
+ "regular file, but is not\n");
GOTO(out, rc = -EPROTO);
}
if (md->body->eadatasize == 0) {
- CERROR("OBD_MD_FLEASIZE set, but eadatasize 0\n");
+ CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, "
+ "but eadatasize 0\n");
GOTO(out, rc = -EPROTO);
}
lmmsize = md->body->eadatasize;
- lmm = lustre_msg_buf(req->rq_repmsg, offset, lmmsize);
- if (!lmm) {
- CERROR ("incorrect message: lmm == 0\n");
+ lmm = req_capsule_server_sized_get(pill, &RMF_MDT_MD, lmmsize);
+ if (!lmm)
GOTO(out, rc = -EPROTO);
- }
- LASSERT(lustre_rep_swabbed(req, offset));
rc = obd_unpackmd(dt_exp, &md->lsm, lmm, lmmsize);
if (rc < 0)
GOTO(out, rc);
if (rc < sizeof(*md->lsm)) {
- CERROR ("lsm size too small: rc < sizeof (*md->lsm) "
- "(%d < %d)\n", 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);
}
- offset++;
} else if (md->body->valid & OBD_MD_FLDIREA) {
int lmvsize;
struct lov_mds_md *lmv;
if(!S_ISDIR(md->body->mode)) {
- CERROR("OBD_MD_FLDIREA set, should be a directory, but "
- "is not\n");
+ CDEBUG(D_INFO, "OBD_MD_FLDIREA set, should be a "
+ "directory, but is not\n");
GOTO(out, rc = -EPROTO);
}
if (md->body->eadatasize == 0) {
- CERROR("OBD_MD_FLDIREA is set, but eadatasize 0\n");
+ CDEBUG(D_INFO, "OBD_MD_FLDIREA is set, "
+ "but eadatasize 0\n");
RETURN(-EPROTO);
}
if (md->body->valid & OBD_MD_MEA) {
lmvsize = md->body->eadatasize;
- lmv = lustre_msg_buf(req->rq_repmsg, offset, lmvsize);
- if (!lmv) {
- CERROR ("incorrect message: lmv == 0\n");
+ lmv = req_capsule_server_sized_get(pill, &RMF_MDT_MD,
+ lmvsize);
+ if (!lmv)
GOTO(out, rc = -EPROTO);
- }
-
- LASSERT(lustre_rep_swabbed(req, offset));
rc = obd_unpackmd(md_exp, (void *)&md->mea, lmv,
lmvsize);
GOTO(out, rc);
if (rc < sizeof(*md->mea)) {
- CERROR ("size too small: rc < sizeof(*md->mea) "
- "(%d < %d)\n", 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);
}
}
- offset++;
}
rc = 0;
- /* remote permission */
if (md->body->valid & OBD_MD_FLRMTPERM) {
- md->remote_perm = lustre_msg_buf(req->rq_repmsg, offset++,
- sizeof(struct mdt_remote_perm));
- if (!md->remote_perm) {
- CERROR ("incorrect message: remote_perm == 0\n");
+ /* 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);
- }
}
-
- /* 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. */
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(dt_exp, req, md, offset++);
+ rc = mdc_unpack_acl(req, md);
if (rc)
GOTO(out, rc);
#ifdef CONFIG_FS_POSIX_ACL
#endif
}
}
-
if (md->body->valid & OBD_MD_FLMDSCAPA) {
- struct obd_capa *oc = mdc_unpack_capa(req, offset++);
+ struct obd_capa *oc = NULL;
- if (IS_ERR(oc))
- GOTO(out, rc = PTR_ERR(oc));
+ rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, &oc);
+ if (rc)
+ GOTO(out, rc);
md->mds_capa = oc;
}
if (md->body->valid & OBD_MD_FLOSSCAPA) {
- struct obd_capa *oc = mdc_unpack_capa(req, offset++);
+ struct obd_capa *oc = NULL;
- if (IS_ERR(oc))
- GOTO(out, rc = PTR_ERR(oc));
+ rc = mdc_unpack_capa(NULL, req, &RMF_CAPA2, &oc);
+ if (rc)
+ GOTO(out, rc);
md->oss_capa = oc;
}
EXIT;
out:
if (rc) {
- if (md->oss_capa)
- free_capa(md->oss_capa);
- if (md->mds_capa)
- free_capa(md->mds_capa);
+ 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
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 md_open_data *mod = req->rq_cb_data;
- struct ptlrpc_request *cur, *tmp;
+ struct ptlrpc_request *close_req;
struct obd_client_handle *och;
struct lustre_handle old;
struct mdt_body *body;
return;
}
- body = lustre_swab_repbuf(req, DLM_REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
LASSERT(body != NULL);
och = mod->mod_och;
old = *file_fh;
*file_fh = body->handle;
}
+ close_req = mod->mod_close_req;
+ if (close_req != NULL) {
+ __u32 opc = lustre_msg_get_opc(close_req->rq_reqmsg);
+ struct mdt_ioepoch *epoch;
- list_for_each_entry_safe(cur, tmp, &mod->mod_replay_list, rq_mod_list) {
- int opc = lustre_msg_get_opc(cur->rq_reqmsg);
- struct mdt_epoch *epoch = NULL;
-
- if (opc == MDS_CLOSE || opc == MDS_DONE_WRITING) {
- epoch = lustre_msg_buf(cur->rq_reqmsg,
- REQ_REC_OFF, sizeof(*epoch));
- LASSERT(epoch);
- DEBUG_REQ(D_HA, cur, "updating %s body with new fh",
- opc == MDS_CLOSE ? "CLOSE" : "DONE_WRITING");
- } else if (opc == MDS_REINT) {
- struct mdt_rec_setattr *rec;
-
- /* Check this is REINT_SETATTR. */
- rec = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF,
- sizeof (*rec));
- LASSERT(rec && rec->sa_opcode == REINT_SETATTR);
-
- epoch = lustre_msg_buf(cur->rq_reqmsg,
- REQ_REC_OFF + 2, sizeof(*epoch));
- LASSERT(epoch);
- DEBUG_REQ(D_HA, cur, "updating REINT_SETATTR body "
- "with new fh");
- }
- if (epoch) {
- if (och != NULL)
- LASSERT(!memcmp(&old, &epoch->handle,
- sizeof(old)));
- epoch->handle = body->handle;
- }
+ 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, &epoch->handle, sizeof(old)));
+ DEBUG_REQ(D_HA, close_req, "updating close body with new fh");
+ epoch->handle = body->handle;
}
EXIT;
}
-void mdc_commit_delayed(struct ptlrpc_request *req)
+void mdc_commit_open(struct ptlrpc_request *req)
{
struct md_open_data *mod = req->rq_cb_data;
- struct ptlrpc_request *cur, *tmp;
-
- DEBUG_REQ(D_HA, req, "req committed");
-
if (mod == NULL)
return;
- req->rq_cb_data = NULL;
- req->rq_commit_cb = NULL;
- list_del_init(&req->rq_mod_list);
- if (req->rq_sequence) {
- list_for_each_entry_safe(cur, tmp, &mod->mod_replay_list,
- rq_mod_list) {
- LASSERT(cur != LP_POISON);
- LASSERT(cur->rq_type != LI_POISON);
- DEBUG_REQ(D_HA, cur, "req balanced");
- LASSERT(cur->rq_transno != 0);
- LASSERT(cur->rq_import == req->rq_import);
-
- /* We no longer want to preserve this for transno-
- * unconditional replay. */
- spin_lock(&cur->rq_lock);
- cur->rq_replay = 0;
- spin_unlock(&cur->rq_lock);
- }
- }
-
- if (list_empty(&mod->mod_replay_list)) {
- if (mod->mod_och != NULL)
- mod->mod_och->och_mod = NULL;
+ /**
+ * 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.
+ */
- OBD_FREE_PTR(mod);
- }
+ /**
+ * 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 md_open_data *mod;
- struct mdt_rec_create *rec = lustre_msg_buf(open_req->rq_reqmsg,
- DLM_INTENT_REC_OFF,
- sizeof(*rec));
- struct mdt_body *body = lustre_msg_buf(open_req->rq_repmsg,
- DLM_REPLY_REC_OFF,
- sizeof(*body));
- struct obd_import *imp = open_req->rq_import;
+ struct md_open_data *mod;
+ struct mdt_rec_create *rec;
+ struct mdt_body *body;
+ struct obd_import *imp = open_req->rq_import;
ENTRY;
- LASSERT(rec != NULL);
+ 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);
/* Incoming message in my byte order (it's been swabbed). */
- LASSERT(lustre_rep_swabbed(open_req, DLM_REPLY_REC_OFF));
-
/* Outgoing messages always in my byte order. */
LASSERT(body != NULL);
- /*Only the import is replayable, we set replay_open data */
+ /* Only if the import is replayable, we set replay_open data */
if (och && imp->imp_replayable) {
- OBD_ALLOC(mod, sizeof(*mod));
+ mod = obd_mod_alloc();
if (mod == NULL) {
DEBUG_REQ(D_ERROR, open_req,
"Can't allocate md_open_data");
RETURN(0);
}
- CFS_INIT_LIST_HEAD(&mod->mod_replay_list);
- spin_lock(&open_req->rq_lock);
- if (!open_req->rq_replay) {
- OBD_FREE(mod, sizeof(*mod));
- spin_unlock(&open_req->rq_lock);
- RETURN(0);
- }
+ /**
+ * 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;
- list_add_tail(&open_req->rq_mod_list, &mod->mod_replay_list);
- open_req->rq_commit_cb = mdc_commit_delayed;
- spin_unlock(&open_req->rq_lock);
+ open_req->rq_commit_cb = mdc_commit_open;
+ cfs_spin_unlock(&open_req->rq_lock);
}
rec->cr_fid2 = body->fid1;
struct md_open_data *mod = och->och_mod;
ENTRY;
- /*
- * Don't free the structure now (it happens in mdc_commit_delayed(),
- * after the last request is removed from its replay list),
- * but make sure that replay doesn't poke at the och, which is about to
- * be freed.
- */
+ /**
+ * It is possible to not have \var mod in a case of eviction between
+ * lookup and ll_file_open().
+ **/
+ if (mod == NULL)
+ RETURN(0);
+
LASSERT(mod != LP_POISON);
- if (mod != NULL)
- mod->mod_och = NULL;
+ mod->mod_och = NULL;
och->och_mod = NULL;
+ obd_mod_put(mod);
+
RETURN(0);
}
+/* 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;
+
+ 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);
+
+ 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 md_op_data *op_data,
struct md_open_data *mod, struct ptlrpc_request **request)
{
- struct obd_device *obd = class_exp2obd(exp);
- int reqsize[4] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_epoch),
- sizeof(struct mdt_rec_setattr)};
- int repsize[4] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_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;
- int rc;
+ int rc;
ENTRY;
- reqsize[REQ_REC_OFF + 2] = op_data->op_capa1 ?
- sizeof(struct lustre_capa) : 0;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_CLOSE, 4, reqsize, NULL);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_CLOSE);
if (req == NULL)
- GOTO(out, rc = -ENOMEM);
+ 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);
+ }
/* 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 */
- /* XXX FIXME bug 249 */
req->rq_request_portal = MDS_READPAGE_PORTAL;
+ ptlrpc_at_set_req_timeout(req);
/* Ensure that this close's handle is fixed up during replay. */
- if (likely(mod != NULL))
- list_add_tail(&req->rq_mod_list, &mod->mod_replay_list);
- else
- CDEBUG(D_HA, "couldn't find open req; expecting close error\n");
+ 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;
+
+ 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");
+ }
+
+ mdc_close_pack(req, op_data);
- mdc_close_pack(req, REQ_REC_OFF, op_data);
- ptlrpc_req_set_repsize(req, 4, repsize);
- req->rq_commit_cb = mdc_commit_delayed;
- req->rq_replay = 1;
- 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);
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;
+ 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) {
- if (req->rq_import->imp_replayable)
- CERROR("Unexpected: can't find md_open_data,"
- "but close succeeded with replayable imp"
- "Please tell CFS.\n");
}
- if (!lustre_swab_repbuf(req, REPLY_REC_OFF,
- sizeof(struct mdt_body),
- lustre_swab_mdt_body)) {
- CERROR("Error unpacking mdt_body\n");
+ 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) {
+ DEBUG_REQ(D_HA, req, "Reset ESTALE = %d", rc);
+ LASSERT(mod->mod_open_req != NULL);
+ if (mod->mod_open_req->rq_committed)
+ rc = 0;
}
}
- EXIT;
+ 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;
- out:
- if (rc != 0 && rc != -EAGAIN && req && req->rq_commit_cb)
- req->rq_commit_cb(req);
-
- return rc;
+ mdc_close_handle_reply(req, op_data, rc);
+ RETURN(rc);
}
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 obd_device *obd = class_exp2obd(exp);
struct ptlrpc_request *req;
- int size[4] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_epoch),
- sizeof(struct mdt_rec_setattr)};
- int repsize[2] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_body)};
- int rc;
+ int rc;
ENTRY;
- if (op_data->op_capa1)
- size[REQ_REC_OFF + 2] = sizeof(struct lustre_capa);
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_DONE_WRITING, 4, size, NULL);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_DONE_WRITING);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_close_pack(req, REQ_REC_OFF, op_data);
-
- req->rq_replay = 1;
- req->rq_cb_data = mod;
- req->rq_commit_cb = mdc_commit_delayed;
- if (likely(mod != NULL))
- list_add_tail(&req->rq_mod_list, &mod->mod_replay_list);
- else
- CDEBUG(D_HA, "couldn't find open req; expecting close error\n");
+ 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);
+ }
+
+ 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);
+
+ 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);
- ptlrpc_req_set_repsize(req, 2, repsize);
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);
- /* Close the open replay sequence if an error occured or no SOM
- * attribute update is needed. */
- if (rc != -EAGAIN)
- ptlrpc_close_replay_seq(req);
-
- if (rc && rc != -EAGAIN && req->rq_commit_cb)
- req->rq_commit_cb(req);
+ 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_sendpage(struct obd_export *exp, const struct lu_fid *fid,
const struct page *page, int offset)
{
- int rc, size[3] = { sizeof(struct ptlrpc_body), sizeof(struct mdt_body) };
- struct obd_import *imp = class_exp2cliimp(exp);
- struct ptlrpc_bulk_desc *desc = NULL;
- struct ptlrpc_request *req = NULL;
+ struct ptlrpc_request *req;
+ struct ptlrpc_bulk_desc *desc;
+ int rc;
ENTRY;
- CDEBUG(D_INODE, "object: "DFID"\n", PFID(fid));
-
- req = ptlrpc_prep_req(imp, LUSTRE_MDS_VERSION, MDS_WRITEPAGE, 3,
- size, NULL);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_WRITEPAGE);
if (req == NULL)
- GOTO(out, rc = -ENOMEM);
+ RETURN(-ENOMEM);
+
+ /* FIXME: capa doesn't support split yet */
+ mdc_set_capa_size(req, &RMF_CAPA1, NULL);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_WRITEPAGE);
+ 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_GET_SOURCE, MDS_BULK_PORTAL);
if (desc == NULL)
/* 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, REQ_REC_OFF, 0, offset, fid, NULL);
+ mdc_readdir_pack(req, 0, offset, fid, NULL);
- ptlrpc_req_set_repsize(req, 2, size);
+ ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
- EXIT;
+ if (rc)
+ GOTO(out, rc);
+
+ rc = sptlrpc_cli_unwrap_bulk_write(req, req->rq_bulk);
out:
- if (req != NULL)
- ptlrpc_req_finished(req);
+ ptlrpc_req_finished(req);
return rc;
}
EXPORT_SYMBOL(mdc_sendpage);
#endif
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 obd_capa *oc, __u64 offset, struct page **pages,
+ unsigned npages, struct ptlrpc_request **request)
{
- int rc, size[3] = { sizeof(struct ptlrpc_body), sizeof(struct mdt_body) };
- struct obd_import *imp = class_exp2cliimp(exp);
- struct ptlrpc_bulk_desc *desc = NULL;
- struct ptlrpc_request *req = NULL;
- struct mdt_body *body;
+ struct ptlrpc_request *req;
+ struct ptlrpc_bulk_desc *desc;
+ int i;
+ cfs_waitq_t waitq;
+ int resends = 0;
+ struct l_wait_info lwi;
+ int rc;
ENTRY;
- CDEBUG(D_INODE, "object: "DFID"\n", PFID(fid));
+ *request = NULL;
+ cfs_waitq_init(&waitq);
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
- req = ptlrpc_prep_req(imp, LUSTRE_MDS_VERSION, MDS_READPAGE, 3, size,
- NULL);
+restart_bulk:
+ 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, npages, 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 */
+ for (i = 0; i < npages; i++)
+ ptlrpc_prep_bulk_page(desc, pages[i], 0, CFS_PAGE_SIZE);
+
+ mdc_readdir_pack(req, offset, CFS_PAGE_SIZE * npages, fid, oc);
+
+ ptlrpc_request_set_replen(req);
+ rc = ptlrpc_queue_wait(req);
+ if (rc) {
+ ptlrpc_req_finished(req);
+ if (rc != -ETIMEDOUT)
+ RETURN(rc);
+
+ resends++;
+ if (!client_should_resend(resends, &exp->exp_obd->u.cli)) {
+ CERROR("too many resend retries, returning error\n");
+ RETURN(-EIO);
+ }
+ lwi = LWI_TIMEOUT_INTR(cfs_time_seconds(resends), NULL, NULL, NULL);
+ l_wait_event(waitq, 0, &lwi);
+
+ goto restart_bulk;
+ }
+
+ 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 & ~LU_PAGE_MASK) {
+ CERROR("Unexpected # bytes transferred: %d (%ld expected)\n",
+ req->rq_bulk->bd_nob_transferred,
+ CFS_PAGE_SIZE * npages);
+ ptlrpc_req_finished(req);
+ RETURN(-EPROTO);
+ }
+
+ *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);
+
+ /*
+ * It's important to daemonize here to close unused FDs.
+ * The write fd from pipe is already opened by the caller,
+ * so it's fine to clear all files here
+ */
+ cfs_daemonize("mdc_clg_send_thread");
+
+ OBD_ALLOC(cs->cs_buf, CR_MAXSIZE);
+ if (cs->cs_buf == NULL)
GOTO(out, rc = -ENOMEM);
- /* XXX FIXME bug 249 */
- req->rq_request_portal = MDS_READPAGE_PORTAL;
+ /* 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);
+ }
- desc = ptlrpc_prep_bulk_imp(req, 1, BULK_PUT_SINK, MDS_BULK_PORTAL);
- if (desc == NULL)
- GOTO(out, rc = -ENOMEM);
+ rc = llog_cat_process_flags(llh, changelog_show_cb, cs, 0, 0, 0);
- /* 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, REQ_REC_OFF, offset, CFS_PAGE_SIZE, fid, oc);
+ /* 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);
+ }
- ptlrpc_req_set_repsize(req, 2, size);
- rc = ptlrpc_queue_wait(req);
+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);
+ /* detach from parent process so we get cleaned up */
+ cfs_daemonize("cl_send");
+ return rc;
+}
- if (rc == 0) {
- body = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
- if (body == NULL) {
- CERROR("Can't unpack mdt_body\n");
- GOTO(out, rc = -EPROTO);
- }
+static int mdc_ioc_changelog_send(struct obd_device *obd,
+ struct ioc_changelog *icc)
+{
+ struct changelog_show *cs;
+ int 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);
- GOTO(out, rc = -EPROTO);
- }
+ /* 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_create_thread(mdc_changelog_send_thread, cs, CFS_DAEMON_FLAGS);
+ if (rc >= 0) {
+ CDEBUG(D_CHANGELOG, "start changelog thread: %d\n", rc);
+ return 0;
}
- EXIT;
- out:
- *request = req;
+ 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 OBD_IOC_PARSE: {
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_PRINT: {
ctxt = llog_get_context(obd, LLOG_CONFIG_REPL_CTXT);
rc = llog_ioctl(ctxt, cmd, data);
-
+ llog_ctxt_put(ctxt);
GOTO(out, rc);
}
#endif
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);
+
+ /* copy UUID */
+ if (cfs_copy_to_user(data->ioc_pbuf2, obd2cli_tgt(obd),
+ min((int) data->ioc_plen2,
+ (int) sizeof(struct obd_uuid))))
+ GOTO(out, rc = -EFAULT);
+
+ rc = mdc_statfs(obd, &stat_buf,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ 0);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ if (cfs_copy_to_user(data->ioc_pbuf1, &stat_buf,
+ min((int) data->ioc_plen1,
+ (int) sizeof(stat_buf))))
+ GOTO(out, rc = -EFAULT);
+
+ GOTO(out, rc = 0);
+ }
+ case LL_IOC_GET_CONNECT_FLAGS: {
+ if (cfs_copy_to_user(uarg, &exp->exp_connect_flags,
+ sizeof(__u64)))
+ GOTO(out, rc = -EFAULT);
+ else
+ GOTO(out, rc = 0);
+ }
default:
CERROR("mdc_ioctl(): unrecognised ioctl %#x\n", cmd);
GOTO(out, rc = -ENOTTY);
}
out:
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- MOD_DEC_USE_COUNT;
-#else
- module_put(THIS_MODULE);
-#endif
+ cfs_module_put(THIS_MODULE);
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)
+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);
- int rc = -EINVAL;
+ struct obd_import *imp = class_exp2cliimp(exp);
+ struct ptlrpc_request *req;
+ char *tmp;
+ int rc = -EINVAL;
+ ENTRY;
- if (KEY_IS(KEY_INIT_RECOV)) {
- if (vallen != sizeof(int))
- RETURN(-EINVAL);
- spin_lock(&imp->imp_lock);
- imp->imp_initial_recov = *(int *)val;
- 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);
+ 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);
}
- /* Turn off initial_recov after we try all backup servers once */
- if (KEY_IS(KEY_INIT_RECOV_BACKUP)) {
- if (vallen != sizeof(int))
- RETURN(-EINVAL);
- spin_lock(&imp->imp_lock);
- imp->imp_initial_recov_bk = *(int *)val;
- if (imp->imp_initial_recov_bk)
- imp->imp_initial_recov = 1;
- 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);
+
+ 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);
+ }
+ }
}
- if (KEY_IS(KEY_READ_ONLY)) {
- struct ptlrpc_request *req;
- int size[3] = { sizeof(struct ptlrpc_body), keylen, vallen };
- char *bufs[3] = { NULL, key, 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.offset);
+ __swab64s(&h->hai_extent.length);
+ __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);
+ }
+}
+
+static void lustre_swab_kuch(struct kuc_hdr *l)
+{
+ __swab16s(&l->kuc_magic);
+ /* __u8 l->kuc_transport */
+ __swab16s(&l->kuc_msgtype);
+ __swab16s(&l->kuc_msglen);
+}
+
+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;
+ }
+
+ 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,
+ lk->lk_data);
+ if (rc && fp)
+ cfs_put_file(fp);
+ }
+
+ /* lk_data is archive number mask */
+ /* TODO: register archive num with mdt so coordinator can choose
+ correct agent. */
+
+ return rc;
+}
+
+/**
+ * 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)
+{
+ 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 (KEY_IS(KEY_READ_ONLY)) {
if (vallen != sizeof(int))
RETURN(-EINVAL);
- spin_lock(&imp->imp_lock);
+ 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;
+ 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;
- }
- spin_unlock(&imp->imp_lock);
-
- req = ptlrpc_prep_req(imp, LUSTRE_MDS_VERSION, MDS_SET_INFO,
- 3, size, bufs);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- ptlrpc_req_set_repsize(req, 1, NULL);
- if (set) {
- rc = 0;
- ptlrpc_set_add_req(set, req);
- ptlrpc_check_set(set);
- } else {
- rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
+ imp->imp_connect_data.ocd_connect_flags &= ~OBD_CONNECT_RDONLY;
}
+ cfs_spin_unlock(&imp->imp_lock);
+ 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);
+ }
if (KEY_IS(KEY_FLUSH_CTX)) {
sptlrpc_import_flush_my_ctx(imp);
RETURN(0);
}
if (KEY_IS(KEY_MDS_CONN)) {
- struct obd_import *imp = class_exp2cliimp(exp);
-
/* mds-mds import */
- spin_lock(&imp->imp_lock);
+ cfs_spin_lock(&imp->imp_lock);
imp->imp_server_timeout = 1;
- spin_unlock(&imp->imp_lock);
+ cfs_spin_unlock(&imp->imp_lock);
imp->imp_client->cli_request_portal = MDS_MDS_PORTAL;
- CDEBUG(D_OTHER|D_WARNING, "%s: timeout / 2\n", exp->exp_obd->obd_name);
+ CDEBUG(D_OTHER, "%s: timeout / 2\n", exp->exp_obd->obd_name);
RETURN(0);
}
+ 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);
+ }
+ if (KEY_IS(KEY_HSM_COPYTOOL_SEND)) {
+ rc = mdc_hsm_copytool_send(vallen, val);
+ RETURN(rc);
+ }
RETURN(rc);
}
int mdc_get_info(struct obd_export *exp, __u32 keylen, void *key,
- __u32 *vallen, void *val)
+ __u32 *vallen, void *val, struct lov_stripe_md *lsm)
{
int rc = -EINVAL;
*data = imp->imp_connect_data;
RETURN(0);
}
-
+
+ rc = mdc_get_info_rpc(exp, keylen, key, *vallen, val);
+
RETURN(rc);
}
-static int mdc_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- __u64 max_age)
+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 obd_statfs *msfs;
- int rc, size[2] = { sizeof(struct ptlrpc_body), sizeof(*msfs) };
+ struct mdt_body *body;
+ int rc;
ENTRY;
- /* 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, 1, NULL, NULL);
- if (!req)
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_PIN);
+ if (req == NULL)
RETURN(-ENOMEM);
- ptlrpc_req_set_repsize(req, 2, size);
-
- rc = ptlrpc_queue_wait(req);
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_PIN);
if (rc) {
- /* check connection error first */
- if (obd->u.cli.cl_import->imp_connect_error)
- rc = obd->u.cli.cl_import->imp_connect_error;
-
- GOTO(out, rc);
- }
-
- msfs = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*msfs),
- lustre_swab_obd_statfs);
- if (msfs == NULL) {
- CERROR("Can't unpack obd_statfs\n");
- GOTO(out, rc = -EPROTO);
+ ptlrpc_request_free(req);
+ RETURN(rc);
}
- memcpy(osfs, msfs, sizeof(*msfs));
- EXIT;
-out:
- ptlrpc_req_finished(req);
-
- return rc;
-}
-
-static int mdc_pin(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc,
- struct obd_client_handle *handle, int flag)
-{
- struct ptlrpc_request *req;
- struct mdt_body *body;
- int rc, size[3] = { sizeof(struct ptlrpc_body), sizeof(*body) };
- ENTRY;
-
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_PIN, 3, size, NULL);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- body = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF, sizeof (*body));
- body->fid1 = *fid;
- body->flags = flag;
- mdc_pack_capa(req, REQ_REC_OFF + 1, oc);
+ mdc_pack_body(req, fid, oc, 0, 0, -1, flags);
- ptlrpc_req_set_repsize(req, 2, size);
+ 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, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_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 md_open_data");
- RETURN(-ENOMEM);
+ GOTO(err_out, rc = -ENOMEM);
}
+ handle->och_mod->mod_open_req = req; /* will be dropped by unpin */
- /* will be dropped by unpin */
- CFS_INIT_LIST_HEAD(&handle->och_mod->mod_replay_list);
- list_add_tail(&req->rq_mod_list, &handle->och_mod->mod_replay_list);
+ 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 mdt_body *body;
- int rc, size[2] = { sizeof(struct ptlrpc_body), sizeof(*body) };
+ struct mdt_body *body;
+ int rc;
ENTRY;
- if (handle->och_magic != OBD_CLIENT_HANDLE_MAGIC)
- RETURN(0);
-
- 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);
- body = lustre_msg_buf(req->rq_reqmsg, 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;
- ptlrpc_req_set_repsize(req, 1, 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);
-
- ptlrpc_req_finished(req);
+ CERROR("Unpin failed: %d\n", rc);
- LASSERT(!list_empty(&handle->och_mod->mod_replay_list));
- req = list_entry(handle->och_mod->mod_replay_list.next,
- typeof(*req), rq_mod_list);
- list_del_init(&req->rq_mod_list);
ptlrpc_req_finished(req);
- LASSERT(list_empty(&handle->och_mod->mod_replay_list));
+ 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);
}
struct obd_capa *oc, struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
- int size[3] = { sizeof(struct ptlrpc_body), sizeof(struct mdt_body) };
- int rc;
+ int rc;
ENTRY;
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_SYNC, 3, size, NULL);
- if (!req)
- RETURN(rc = -ENOMEM);
+ *request = NULL;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_SYNC);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_SYNC);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- mdc_pack_req_body(req, REQ_REC_OFF, 0, fid, oc, 0, 0);
+ mdc_pack_body(req, fid, oc, 0, 0, -1, 0);
- ptlrpc_req_set_repsize(req, 2, size);
+ 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);
}
}
case IMP_EVENT_INACTIVE: {
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)) {
+ if (cli->cl_seq != NULL)
seq_client_flush(cli->cl_seq);
- }
rc = obd_notify_observer(obd, obd, OBD_NOTIFY_INACTIVE, NULL);
break;
case IMP_EVENT_OCD:
rc = obd_notify_observer(obd, obd, OBD_NOTIFY_OCD, NULL);
break;
-
+ case IMP_EVENT_DEACTIVATE:
+ case IMP_EVENT_ACTIVATE:
+ break;
default:
CERROR("Unknown import event %x\n", event);
LBUG();
exp->exp_obd->obd_name);
/* Init client side sequence-manager */
- rc = seq_client_init(cli->cl_seq, exp,
+ rc = seq_client_init(cli->cl_seq, exp,
LUSTRE_SEQ_METADATA,
prefix, NULL);
OBD_FREE(prefix, MAX_OBD_NAME + 5);
OBD_FREE_PTR(cli->cl_seq);
cli->cl_seq = NULL;
}
-
+
RETURN(0);
}
static int mdc_fid_delete(struct obd_export *exp, const struct lu_fid *fid)
{
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;
+}
+
+/**
+ * Determine whether the lock can be canceled before replaying it during
+ * recovery, non zero value will be return if the lock can be canceled,
+ * or zero returned for not
+ */
+static int mdc_cancel_for_recovery(struct ldlm_lock *lock)
+{
+ if (lock->l_resource->lr_type != LDLM_IBITS)
+ RETURN(0);
+
+ /* FIXME: if we ever get into a situation where there are too many
+ * opened files with open locks on a single node, then we really
+ * should replay these open locks to reget it */
+ if (lock->l_policy_data.l_inodebits.bits & MDS_INODELOCK_OPEN)
+ RETURN(0);
+
+ RETURN(1);
+}
+
static int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg)
{
struct client_obd *cli = &obd->u.cli;
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars = { 0 };
int rc;
ENTRY;
rc = client_obd_setup(obd, cfg);
if (rc)
GOTO(err_close_lock, rc);
- lprocfs_init_vars(mdc, &lvars);
+ 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, NULL, obd, 0, NULL, NULL);
+ ns_register_cancel(obd->obd_namespace, mdc_cancel_for_recovery);
+
+ rc = obd_llog_init(obd, &obd->obd_olg, obd, NULL);
if (rc) {
mdc_cleanup(obd);
CERROR("failed to setup llogging subsystems\n");
* 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. */
-int mdc_init_ea_size(struct obd_export *exp, int easize,
+static int mdc_init_ea_size(struct obd_export *exp, int easize,
int def_easize, int cookiesize)
{
struct obd_device *obd = exp->exp_obd;
switch (stage) {
case OBD_CLEANUP_EARLY:
- case OBD_CLEANUP_EXPORTS:
- /* 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;
- imp = obd->u.cli.cl_import;
- CERROR("client import never connected\n");
- ptlrpc_invalidate_import(imp);
- ptlrpc_free_rq_pool(imp->imp_rq_pool);
- class_destroy_import(imp);
- obd->u.cli.cl_import = NULL;
- }
break;
- case OBD_CLEANUP_SELF_EXP:
+ case OBD_CLEANUP_EXPORTS:
+ /* Failsafe, ok if racy */
+ if (obd->obd_type->typ_refcnt <= 1)
+ libcfs_kkuc_group_rem(0, KUC_GRP_HSM);
+
+ obd_cleanup_client_import(obd);
+
rc = obd_llog_finish(obd, 0);
if (rc != 0)
CERROR("failed to cleanup llogging subsystems\n");
- case OBD_CLEANUP_OBD:
break;
}
RETURN(rc);
}
-static int mdc_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
- struct obd_device *tgt,
- int count, struct llog_catid *logid,
- struct obd_uuid *uuid)
+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 = llog_setup(obd, llogs, LLOG_CONFIG_REPL_CTXT, tgt, 0, NULL,
+ LASSERT(olg == &obd->obd_olg);
+
+ rc = llog_setup(obd, olg, LLOG_LOVEA_REPL_CTXT, tgt, 0, NULL,
&llog_client_ops);
- if (rc == 0) {
- ctxt = llog_get_context(obd, LLOG_CONFIG_REPL_CTXT);
- ctxt->loc_imp = obd->u.cli.cl_import;
- }
+ if (rc)
+ RETURN(rc);
- rc = llog_setup(obd, llogs, LLOG_LOVEA_REPL_CTXT, tgt, 0, NULL,
- &llog_client_ops);
+ 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(obd, LLOG_LOVEA_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, int count)
{
- int rc;
+ struct llog_ctxt *ctxt;
+ int rc = 0;
ENTRY;
- rc = llog_cleanup(llog_get_context(obd, LLOG_LOVEA_REPL_CTXT));
- if (rc) {
- CERROR("can not cleanup LLOG_CONFIG_REPL_CTXT rc %d\n", rc);
- }
- rc = llog_cleanup(llog_get_context(obd, 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 int mdc_process_config(struct obd_device *obd, obd_count len, void *buf)
{
struct lustre_cfg *lcfg = buf;
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars = { 0 };
int rc = 0;
- lprocfs_init_vars(mdc, &lvars);
-
- rc = class_process_proc_param(PARAM_MDC, lvars.obd_vars, lcfg, obd);
+ 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);
}
+
/* 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, struct ptlrpc_request **request)
+ struct obd_capa *oc, __u32 suppgid,
+ struct ptlrpc_request **request)
{
- struct ptlrpc_request *req;
- struct mdt_body *body;
- struct mdt_remote_perm *perm;
- int size[5] = { sizeof(struct ptlrpc_body), sizeof(*body) };
- int rc;
+ struct ptlrpc_request *req;
+ int rc;
ENTRY;
- size[REQ_REC_OFF + 1] = oc ? sizeof(struct lustre_capa) : 0;
+ LASSERT(client_is_remote(exp));
*request = NULL;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_GETATTR, 3, size, NULL);
- if (!req)
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_GETATTR);
+ if (req == NULL)
RETURN(-ENOMEM);
- mdc_pack_req_body(req, REQ_REC_OFF, OBD_MD_FLRMTPERM, fid, oc, 0, 0);
+ mdc_set_capa_size(req, &RMF_CAPA1, oc);
- size[REPLY_REC_OFF + 1] = sizeof(*perm);
- ptlrpc_req_set_repsize(req, 5, size);
- rc = ptlrpc_queue_wait(req);
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
if (rc) {
- ptlrpc_req_finished(req);
+ ptlrpc_request_free(req);
RETURN(rc);
}
- body = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
- LASSERT(body);
- LASSERT(body->valid & OBD_MD_FLRMTPERM);
+ mdc_pack_body(req, fid, oc, OBD_MD_FLRMTPERM, 0, suppgid, 0);
- perm = lustre_swab_repbuf(req, REPLY_REC_OFF + 1, sizeof(*perm),
- lustre_swab_mdt_remote_perm);
- LASSERT(perm);
+ req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER,
+ sizeof(struct mdt_remote_perm));
- *request = req;
- RETURN(0);
+ ptlrpc_request_set_replen(req);
+
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ ptlrpc_req_finished(req);
+ else
+ *request = req;
+ RETURN(rc);
}
-static int mdc_interpret_renew_capa(struct ptlrpc_request *req, void *unused,
+static int mdc_interpret_renew_capa(const struct lu_env *env,
+ struct ptlrpc_request *req, void *args,
int status)
{
- struct obd_capa *oc = req->rq_async_args.pointer_arg[0];
- renew_capa_cb_t cb = req->rq_async_args.pointer_arg[1];
+ struct mdc_renew_capa_args *ra = args;
struct mdt_body *body = NULL;
struct lustre_capa *capa;
ENTRY;
if (status)
GOTO(out, capa = ERR_PTR(status));
- body = lustre_swab_repbuf(req, REPLY_REC_OFF, sizeof(*body),
- lustre_swab_mdt_body);
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
if (body == NULL)
GOTO(out, capa = ERR_PTR(-EFAULT));
if ((body->valid & OBD_MD_FLOSSCAPA) == 0)
GOTO(out, capa = ERR_PTR(-ENOENT));
- capa = lustre_unpack_capa(req->rq_repmsg, REPLY_REC_OFF + 1);
+ capa = req_capsule_server_get(&req->rq_pill, &RMF_CAPA2);
if (!capa)
GOTO(out, capa = ERR_PTR(-EFAULT));
EXIT;
out:
- cb(oc, capa);
+ ra->ra_cb(ra->ra_oc, capa);
return 0;
}
renew_capa_cb_t cb)
{
struct ptlrpc_request *req;
- int size[5] = { sizeof(struct ptlrpc_body),
- sizeof(struct mdt_body),
- sizeof(struct lustre_capa) };
+ struct mdc_renew_capa_args *ra;
ENTRY;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- MDS_GETATTR, 3, size, NULL);
- if (!req)
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_MDS_GETATTR,
+ LUSTRE_MDS_VERSION, MDS_GETATTR);
+ if (req == NULL)
RETURN(-ENOMEM);
- mdc_pack_req_body(req, REQ_REC_OFF, OBD_MD_FLOSSCAPA,
- &oc->c_capa.lc_fid, oc, 0, 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_set_repsize(req, 5, size);
- req->rq_async_args.pointer_arg[0] = oc;
- req->rq_async_args.pointer_arg[1] = cb;
+ CLASSERT(sizeof(*ra) <= sizeof(req->rq_async_args));
+ ra = ptlrpc_req_async_args(req);
+ ra->ra_oc = oc;
+ ra->ra_cb = cb;
req->rq_interpret_reply = mdc_interpret_renew_capa;
- ptlrpcd_add_req(req);
-
+ ptlrpcd_add_req(req, PSCOPE_OTHER);
RETURN(0);
}
static int mdc_connect(const struct lu_env *env,
- struct lustre_handle *dlm_handle,
+ struct obd_export **exp,
struct obd_device *obd, struct obd_uuid *cluuid,
- struct obd_connect_data *data) {
+ struct obd_connect_data *data,
+ void *localdata)
+{
struct obd_import *imp = obd->u.cli.cl_import;
/* mds-mds import features */
if (data && (data->ocd_connect_flags & OBD_CONNECT_MDS_MDS)) {
- spin_lock(&imp->imp_lock);
+ cfs_spin_lock(&imp->imp_lock);
imp->imp_server_timeout = 1;
- spin_unlock(&imp->imp_lock);
+ 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 client_connect_import(env, dlm_handle, obd, cluuid, data);
+ return client_connect_import(env, exp, obd, cluuid, data, NULL);
}
struct obd_ops mdc_obd_ops = {
.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_process_config = mdc_process_config,
+ .o_get_uuid = mdc_get_uuid,
};
struct md_ops mdc_md_ops = {
.m_getstatus = mdc_getstatus,
.m_change_cbdata = mdc_change_cbdata,
+ .m_find_cbdata = mdc_find_cbdata,
.m_close = mdc_close,
.m_create = mdc_create,
.m_done_writing = mdc_done_writing,
.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_renew_capa = mdc_renew_capa,
+ .m_unpack_capa = mdc_unpack_capa,
.m_get_remote_perm = mdc_get_remote_perm,
- .m_renew_capa = mdc_renew_capa
+ .m_intent_getattr_async = mdc_intent_getattr_async,
+ .m_revalidate_lock = mdc_revalidate_lock
};
-extern quota_interface_t mdc_quota_interface;
-
int __init mdc_init(void)
{
int rc;
- struct lprocfs_static_vars lvars;
- lprocfs_init_vars(mdc, &lvars);
-
- request_module("lquota");
+ 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);
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");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff