/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * 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
*
- * remote api for llog - server side
+ * 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.
+ *
+ * lustre/ptlrpc/llog_server.c
+ *
+ * remote api for llog - server side
+ *
+ * Author: Andreas Dilger <adilger@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LOG
int llog_origin_handle_create(struct ptlrpc_request *req)
{
- struct obd_export *exp = req->rq_export;
- struct obd_device *obd = exp->exp_obd;
- struct obd_device *disk_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct lvfs_run_ctxt saved;
- struct llog_logid *logid = NULL;
- struct llog_ctxt *ctxt;
- char * name = NULL;
- int size[2] = { sizeof(struct ptlrpc_body), sizeof(*body) };
- int rc, rc2;
+ struct obd_export *exp = req->rq_export;
+ struct obd_device *obd = exp->exp_obd;
+ struct obd_device *disk_obd;
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct lvfs_run_ctxt saved;
+ struct llog_logid *logid = NULL;
+ struct llog_ctxt *ctxt;
+ char *name = NULL;
+ int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_llogd_body);
- if (body == NULL) {
- CERROR ("Can't unpack llogd_body\n");
- GOTO(out, rc =-EFAULT);
- }
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
if (body->lgd_logid.lgl_oid > 0)
logid = &body->lgd_logid;
- if (lustre_msg_bufcount(req->rq_reqmsg) > 2) {
- name = lustre_msg_string(req->rq_reqmsg, REQ_REC_OFF + 1, 0);
- if (name == NULL) {
- CERROR("Can't unpack name\n");
- GOTO(out, rc = -EFAULT);
- }
+ if (req_capsule_field_present(&req->rq_pill, &RMF_NAME, RCL_CLIENT)) {
+ name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ if (name == NULL)
+ RETURN(-EFAULT);
CDEBUG(D_INFO, "opening log %s\n", name);
}
ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
- GOTO(out, rc = -EINVAL);
+ RETURN(-EINVAL);
disk_obd = ctxt->loc_exp->exp_obd;
push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
if (rc)
GOTO(out_pop, rc);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*body));
+ body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
body->lgd_logid = loghandle->lgh_id;
out_close:
rc = rc2;
out_pop:
pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-out:
+ llog_ctxt_put(ctxt);
RETURN(rc);
}
int llog_origin_handle_destroy(struct ptlrpc_request *req)
{
- struct obd_export *exp = req->rq_export;
- struct obd_device *obd = exp->exp_obd;
- struct obd_device *disk_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct lvfs_run_ctxt saved;
- struct llog_logid *logid = NULL;
- struct llog_ctxt *ctxt;
- int size[] = { sizeof(struct ptlrpc_body), sizeof(*body) };
- int rc;
- __u32 flags;
+ struct obd_export *exp = req->rq_export;
+ struct obd_device *obd = exp->exp_obd;
+ struct obd_device *disk_obd;
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct lvfs_run_ctxt saved;
+ struct llog_logid *logid = NULL;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ int rc;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_llogd_body);
- if (body == NULL) {
- CERROR ("Can't unpack llogd_body\n");
- GOTO(out, rc =-EFAULT);
- }
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
if (body->lgd_logid.lgl_oid > 0)
logid = &body->lgd_logid;
ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
- GOTO(out, rc = -EINVAL);
+ RETURN(-EINVAL);
+
disk_obd = ctxt->loc_exp->exp_obd;
push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
if (rc)
GOTO(out_pop, rc);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof (*body));
+ body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
body->lgd_logid = loghandle->lgh_id;
flags = body->lgd_llh_flags;
rc = llog_init_handle(loghandle, LLOG_F_IS_PLAIN, NULL);
llog_close(loghandle);
out_pop:
pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-out:
+ llog_ctxt_put(ctxt);
RETURN(rc);
}
int llog_origin_handle_next_block(struct ptlrpc_request *req)
{
- struct obd_export *exp = req->rq_export;
- struct obd_device *obd = exp->exp_obd;
- struct obd_device *disk_obd;
+ struct obd_export *exp = req->rq_export;
+ struct obd_device *obd = exp->exp_obd;
+ struct obd_device *disk_obd;
struct llog_handle *loghandle;
- struct llogd_body *body;
+ struct llogd_body *body;
+ struct llogd_body *repbody;
struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- __u8 *buf;
- void * ptr;
- int size[3] = { sizeof(struct ptlrpc_body),
- sizeof(*body),
- LLOG_CHUNK_SIZE };
- int rc, rc2;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ __u8 *buf;
+ void *ptr;
+ int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_llogd_body);
- if (body == NULL) {
- CERROR ("Can't unpack llogd_body\n");
- GOTO(out, rc =-EFAULT);
- }
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
OBD_ALLOC(buf, LLOG_CHUNK_SIZE);
if (!buf)
- GOTO(out, rc = -ENOMEM);
+ RETURN(-ENOMEM);
ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
if (rc)
GOTO(out_close, rc);
-
- rc = lustre_pack_reply(req, 3, size, NULL);
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
+ LLOG_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof (body));
- memcpy(ptr, body, sizeof(*body));
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ *repbody = *body;
- ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF + 1, LLOG_CHUNK_SIZE);
+ ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
memcpy(ptr, buf, LLOG_CHUNK_SIZE);
out_close:
out_pop:
pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+ llog_ctxt_put(ctxt);
out_free:
OBD_FREE(buf, LLOG_CHUNK_SIZE);
-out:
RETURN(rc);
}
int llog_origin_handle_prev_block(struct ptlrpc_request *req)
{
- struct obd_export *exp = req->rq_export;
- struct obd_device *obd = exp->exp_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- __u8 *buf;
- void * ptr;
- int size[] = { sizeof(struct ptlrpc_body),
- sizeof(*body),
- LLOG_CHUNK_SIZE };
- int rc, rc2;
+ struct obd_export *exp = req->rq_export;
+ struct obd_device *obd = exp->exp_obd;
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llogd_body *repbody;
+ struct obd_device *disk_obd;
+ struct lvfs_run_ctxt saved;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ __u8 *buf;
+ void *ptr;
+ int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_llogd_body);
- if (body == NULL) {
- CERROR ("Can't unpack llogd_body\n");
- GOTO(out, rc =-EFAULT);
- }
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
OBD_ALLOC(buf, LLOG_CHUNK_SIZE);
if (!buf)
- GOTO(out, rc = -ENOMEM);
+ RETURN(-ENOMEM);
ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
LASSERT(ctxt != NULL);
if (rc)
GOTO(out_close, rc);
-
- rc = lustre_pack_reply(req, 3, size, NULL);
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
+ LLOG_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(body));
- memcpy(ptr, body, sizeof(*body));
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ *repbody = *body;
- ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF+1, LLOG_CHUNK_SIZE);
+ ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
memcpy(ptr, buf, LLOG_CHUNK_SIZE);
out_close:
out_pop:
pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+ llog_ctxt_put(ctxt);
OBD_FREE(buf, LLOG_CHUNK_SIZE);
-out:
RETURN(rc);
}
int llog_origin_handle_read_header(struct ptlrpc_request *req)
{
- struct obd_export *exp = req->rq_export;
- struct obd_device *obd = exp->exp_obd;
- struct obd_device *disk_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct llog_log_hdr *hdr;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- int size[2] = { sizeof(struct ptlrpc_body), sizeof(*hdr) };
- int rc, rc2;
+ struct obd_export *exp = req->rq_export;
+ struct obd_device *obd = exp->exp_obd;
+ struct obd_device *disk_obd;
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llog_log_hdr *hdr;
+ struct lvfs_run_ctxt saved;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_llogd_body);
- if (body == NULL) {
- CERROR ("Can't unpack llogd_body\n");
- GOTO(out, rc =-EFAULT);
- }
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
- GOTO(out, rc = -EINVAL);
+ RETURN(-EINVAL);
disk_obd = ctxt->loc_exp->exp_obd;
push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
if (rc)
GOTO(out_close, rc);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- hdr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*hdr));
- memcpy(hdr, loghandle->lgh_hdr, sizeof(*hdr));
+ hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR);
+ *hdr = *loghandle->lgh_hdr;
out_close:
rc2 = llog_close(loghandle);
if (!rc)
rc = rc2;
-
out_pop:
pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
-out:
+ llog_ctxt_put(ctxt);
RETURN(rc);
}
struct obd_device *obd = req->rq_export->exp_obd;
struct obd_device *disk_obd;
struct llog_cookie *logcookies;
- struct llog_ctxt *ctxt;
+ struct llog_ctxt *ctxt = NULL;
int num_cookies, rc = 0, err, i;
struct lvfs_run_ctxt saved;
struct llog_handle *cathandle;
void *handle;
ENTRY;
- logcookies = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF,
- sizeof(*logcookies));
- num_cookies = lustre_msg_buflen(req->rq_reqmsg, REQ_REC_OFF) /
- sizeof(*logcookies);
+ logcookies = req_capsule_client_get(&req->rq_pill, &RMF_LOGCOOKIES);
+ num_cookies = req_capsule_get_size(&req->rq_pill, &RMF_LOGCOOKIES,
+ RCL_CLIENT) / sizeof(*logcookies);
if (logcookies == NULL || num_cookies == 0) {
DEBUG_REQ(D_HA, req, "no cookies sent");
RETURN(-EFAULT);
if (rc)
CERROR("cancel %d llog-records failed: %d\n", num_cookies, rc);
else
- CDEBUG(D_HA, "cancel %d llog-records\n", num_cookies);
+ CDEBUG(D_RPCTRACE, "cancel %d llog-records\n", num_cookies);
+ llog_ctxt_put(ctxt);
RETURN(rc);
}
EXPORT_SYMBOL(llog_origin_handle_cancel);
static int llog_catinfo_config(struct obd_device *obd, char *buf, int buf_len,
char *client)
{
- struct mds_obd *mds = &obd->u.mds;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- struct lvfs_run_ctxt saved;
- struct llog_handle *handle = NULL;
- char name[4][64];
- int rc, i, l, remains = buf_len;
- char *out = buf;
+ struct mds_obd *mds = &obd->u.mds;
+ struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
+ struct lvfs_run_ctxt saved;
+ struct llog_handle *handle = NULL;
+ char name[4][64];
+ int rc, i, l, remains = buf_len;
+ char *out = buf;
if (ctxt == NULL || mds == NULL)
- RETURN(-EOPNOTSUPP);
+ GOTO(release_ctxt, rc = -EOPNOTSUPP);
push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
}
out_pop:
pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
+release_ctxt:
+ llog_ctxt_put(ctxt);
RETURN(rc);
}
{
static char *out = NULL;
static int remains = 0;
- struct llog_ctxt *ctxt;
+ struct llog_ctxt *ctxt = NULL;
struct llog_handle *handle;
struct llog_logid *logid;
struct llog_logid_rec *lir;
remains = cbd->remains;
cbd->init = 0;
}
- ctxt = cbd->ctxt;
if (!(cat->lgh_hdr->llh_flags & LLOG_F_IS_CAT))
RETURN(-EINVAL);
+ if (!cbd->ctxt)
+ RETURN(-EINVAL);
+
lir = (struct llog_logid_rec *)rec;
logid = &lir->lid_id;
rc = llog_create(ctxt, &handle, logid, NULL);
struct llog_catid *idarray;
struct llog_logid *id;
char name[32] = CATLIST;
- int rc;
struct cb_data data;
struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
+ int rc;
if (ctxt == NULL || mds == NULL)
- RETURN(-EOPNOTSUPP);
+ GOTO(release_ctxt, rc = -EOPNOTSUPP);
count = mds->mds_lov_desc.ld_tgt_count;
size = sizeof(*idarray) * count;
OBD_ALLOC(idarray, size);
if (!idarray)
- RETURN(-ENOMEM);
+ GOTO(release_ctxt, rc = -ENOMEM);
rc = llog_get_cat_list(obd, obd, name, count, idarray);
if (rc)
pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
out_free:
OBD_FREE(idarray, size);
+release_ctxt:
+ llog_ctxt_put(ctxt);
+
RETURN(rc);
}
{
struct obd_export *exp = req->rq_export;
struct obd_device *obd = exp->exp_obd;
- char *keyword;
- char *buf, *reply;
- int rc, buf_len = LLOG_CHUNK_SIZE;
- int size[2] = { sizeof(struct ptlrpc_body), buf_len };
+ char *keyword;
+ char *buf, *reply;
+ int rc;
- OBD_ALLOC(buf, buf_len);
+ OBD_ALLOC(buf, LLOG_CHUNK_SIZE);
if (buf == NULL)
return -ENOMEM;
- memset(buf, 0, buf_len);
+ memset(buf, 0, LLOG_CHUNK_SIZE);
- keyword = lustre_msg_string(req->rq_reqmsg, REQ_REC_OFF, 0);
+ keyword = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ LASSERT(keyword);
if (strcmp(keyword, "config") == 0) {
- char *client = lustre_msg_string(req->rq_reqmsg,
- REQ_REC_OFF + 1, 0);
- rc = llog_catinfo_config(obd, buf, buf_len, client);
+ char *client = req_capsule_client_get(&req->rq_pill,
+ &RMF_STRING);
+
+ LASSERT(client);
+ rc = llog_catinfo_config(obd, buf, LLOG_CHUNK_SIZE, client);
} else if (strcmp(keyword, "deletions") == 0) {
- rc = llog_catinfo_deletions(obd, buf, buf_len);
+ rc = llog_catinfo_deletions(obd, buf, LLOG_CHUNK_SIZE);
} else {
rc = -EOPNOTSUPP;
}
- rc = lustre_pack_reply(req, 2, size, NULL);
+ req_capsule_set_size(&req->rq_pill, &RMF_STRING, RCL_SERVER,
+ LLOG_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out_free, rc = -ENOMEM);
- reply = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, buf_len);
+ reply = req_capsule_server_get(&req->rq_pill, &RMF_STRING);
if (strlen(buf) == 0)
sprintf(buf, "%s", "No log informations\n");
- memcpy(reply, buf, buf_len);
+ memcpy(reply, buf, LLOG_CHUNK_SIZE);
out_free:
- OBD_FREE(buf, buf_len);
+ OBD_FREE(buf, LLOG_CHUNK_SIZE);
return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff