* Copyright (C) 2001-2003 Cluster File Systems, Inc.
* Author: Andreas Dilger <adilger@clusterfs.com>
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You may have signed or agreed to another license before downloading
+ * this software. If so, you are bound by the terms and conditions
+ * of that agreement, and the following does not apply to you. See the
+ * LICENSE file included with this distribution for more information.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * If you did not agree to a different license, then this copy of Lustre
+ * is open source software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * In either case, Lustre is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * license text for more details.
*
* remote api for llog - server side
*
#ifndef __KERNEL__
#include <liblustre.h>
-#else
-#include <linux/fs.h>
#endif
-#include <linux/obd_class.h>
-#include <linux/lustre_log.h>
-#include <linux/lustre_net.h>
-#include <portals/list.h>
-#include <linux/lustre_fsfilt.h>
+#include <obd_class.h>
+#include <lustre_log.h>
+#include <lustre_net.h>
+#include <libcfs/list.h>
+#include <lustre_fsfilt.h>
-#ifdef __KERNEL__
+#if defined(__KERNEL__) && defined(LUSTRE_LOG_SERVER)
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 = sizeof (*body);
+ int size[2] = { sizeof(struct ptlrpc_body), sizeof(*body) };
int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, 0, sizeof(*body),
+ body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
lustre_swab_llogd_body);
if (body == NULL) {
CERROR ("Can't unpack llogd_body\n");
if (body->lgd_logid.lgl_oid > 0)
logid = &body->lgd_logid;
- if (req->rq_reqmsg->bufcount > 1) {
- name = lustre_msg_string(req->rq_reqmsg, 1, 0);
+ 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);
}
+ CDEBUG(D_INFO, "opening log %s\n", name);
}
- ctxt = llog_get_context(&obd->obd_llogs, body->lgd_ctxt_idx);
- LASSERT(ctxt != NULL);
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL)
+ GOTO(out, rc = -EINVAL);
+ disk_obd = ctxt->loc_exp->exp_obd;
+ push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
rc = llog_create(ctxt, &loghandle, logid, name);
if (rc)
GOTO(out_pop, rc);
- rc = lustre_pack_reply(req, 1, &size, NULL);
+ rc = lustre_pack_reply(req, 2, size, NULL);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- body = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*body));
+ body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*body));
body->lgd_logid = loghandle->lgh_id;
out_close:
if (!rc)
rc = rc2;
out_pop:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
out:
RETURN(rc);
}
-int llog_origin_handle_prev_block(struct ptlrpc_request *req)
+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;
+ 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);
+ }
+
+ 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);
+ disk_obd = ctxt->loc_exp->exp_obd;
+ push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+
+ rc = llog_create(ctxt, &loghandle, logid, NULL);
+ if (rc)
+ GOTO(out_pop, rc);
+
+ rc = lustre_pack_reply(req, 2, size, NULL);
+ if (rc)
+ GOTO(out_close, rc = -ENOMEM);
+
+ body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof (*body));
+ body->lgd_logid = loghandle->lgh_id;
+ flags = body->lgd_llh_flags;
+ rc = llog_init_handle(loghandle, LLOG_F_IS_PLAIN, NULL);
+ if (rc)
+ GOTO(out_close, rc);
+ rc = llog_destroy(loghandle);
+ if (rc)
+ GOTO(out_close, rc);
+ llog_free_handle(loghandle);
+
+out_close:
+ if (rc)
+ llog_close(loghandle);
+out_pop:
+ pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+out:
+ 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 llog_handle *loghandle;
struct llogd_body *body;
struct lvfs_run_ctxt saved;
__u32 flags;
__u8 *buf;
void * ptr;
- int rc, rc2, size[] = {sizeof (*body), LLOG_CHUNK_SIZE};
+ int size[3] = { sizeof(struct ptlrpc_body),
+ sizeof(*body),
+ LLOG_CHUNK_SIZE };
+ int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, 0, sizeof(*body),
+ body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
lustre_swab_llogd_body);
if (body == NULL) {
CERROR ("Can't unpack llogd_body\n");
if (!buf)
GOTO(out, rc = -ENOMEM);
- ctxt = llog_get_context(&obd->obd_llogs, body->lgd_ctxt_idx);
- LASSERT(ctxt != NULL);
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL)
+ GOTO(out_free, rc = -EINVAL);
+ disk_obd = ctxt->loc_exp->exp_obd;
+ push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
rc = llog_create(ctxt, &loghandle, &body->lgd_logid, NULL);
if (rc)
GOTO(out_close, rc);
memset(buf, 0, LLOG_CHUNK_SIZE);
- rc = llog_prev_block(loghandle, body->lgd_index, buf, LLOG_CHUNK_SIZE);
+ rc = llog_next_block(loghandle, &body->lgd_saved_index,
+ body->lgd_index,
+ &body->lgd_cur_offset, buf, LLOG_CHUNK_SIZE);
if (rc)
GOTO(out_close, rc);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = lustre_pack_reply(req, 3, size, NULL);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- ptr = lustre_msg_buf(req->rq_repmsg, 0, sizeof (body));
+ ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof (body));
memcpy(ptr, body, sizeof(*body));
- ptr = lustre_msg_buf(req->rq_repmsg, 1, LLOG_CHUNK_SIZE);
+ ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF + 1, LLOG_CHUNK_SIZE);
memcpy(ptr, buf, LLOG_CHUNK_SIZE);
out_close:
rc = rc2;
out_pop:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+out_free:
OBD_FREE(buf, LLOG_CHUNK_SIZE);
out:
RETURN(rc);
}
-int llog_origin_handle_next_block(struct ptlrpc_request *req)
+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 (*body),
- LLOG_CHUNK_SIZE};
+ int size[] = { sizeof(struct ptlrpc_body),
+ sizeof(*body),
+ LLOG_CHUNK_SIZE };
int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, 0, sizeof(*body),
+ body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
lustre_swab_llogd_body);
if (body == NULL) {
CERROR ("Can't unpack llogd_body\n");
if (!buf)
GOTO(out, rc = -ENOMEM);
- ctxt = llog_get_context(&obd->obd_llogs, body->lgd_ctxt_idx);
+ ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
LASSERT(ctxt != NULL);
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ disk_obd = ctxt->loc_exp->exp_obd;
+ push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
rc = llog_create(ctxt, &loghandle, &body->lgd_logid, NULL);
if (rc)
GOTO(out_close, rc);
memset(buf, 0, LLOG_CHUNK_SIZE);
- rc = llog_next_block(loghandle, &body->lgd_saved_index,
- body->lgd_index,
- &body->lgd_cur_offset, buf, LLOG_CHUNK_SIZE);
+ rc = llog_prev_block(loghandle, body->lgd_index,
+ buf, LLOG_CHUNK_SIZE);
if (rc)
GOTO(out_close, rc);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = lustre_pack_reply(req, 3, size, NULL);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- ptr = lustre_msg_buf(req->rq_repmsg, 0, sizeof (body));
+ ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(body));
memcpy(ptr, body, sizeof(*body));
- ptr = lustre_msg_buf(req->rq_repmsg, 1, LLOG_CHUNK_SIZE);
+ ptr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF+1, LLOG_CHUNK_SIZE);
memcpy(ptr, buf, LLOG_CHUNK_SIZE);
out_close:
rc = rc2;
out_pop:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
OBD_FREE(buf, LLOG_CHUNK_SIZE);
out:
RETURN(rc);
{
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[] = {sizeof (*hdr)};
+ int size[2] = { sizeof(struct ptlrpc_body), sizeof(*hdr) };
int rc, rc2;
ENTRY;
- body = lustre_swab_reqbuf(req, 0, sizeof(*body),
+ 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);
}
- ctxt = llog_get_context(&obd->obd_llogs, body->lgd_ctxt_idx);
- LASSERT(ctxt != NULL);
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL)
+ GOTO(out, rc = -EINVAL);
+ disk_obd = ctxt->loc_exp->exp_obd;
+ push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
rc = llog_create(ctxt, &loghandle, &body->lgd_logid, NULL);
if (rc)
if (rc)
GOTO(out_close, rc);
- rc = lustre_pack_reply(req, 1, size, NULL);
+ rc = lustre_pack_reply(req, 2, size, NULL);
if (rc)
GOTO(out_close, rc = -ENOMEM);
- hdr = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*hdr));
+ hdr = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*hdr));
memcpy(hdr, loghandle->lgh_hdr, sizeof(*hdr));
out_close:
rc = rc2;
out_pop:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
out:
RETURN(rc);
int llog_origin_handle_cancel(struct ptlrpc_request *req)
{
struct obd_device *obd = req->rq_export->exp_obd;
+ struct obd_device *disk_obd;
struct llog_cookie *logcookies;
struct llog_ctxt *ctxt;
int num_cookies, rc = 0, err, i;
void *handle;
ENTRY;
- logcookies = lustre_msg_buf(req->rq_reqmsg, 0, sizeof(*logcookies));
- num_cookies = req->rq_reqmsg->buflens[0]/sizeof(*logcookies);
+ 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);
if (logcookies == NULL || num_cookies == 0) {
DEBUG_REQ(D_HA, req, "no cookies sent");
RETURN(-EFAULT);
}
- ctxt = llog_get_context(&obd->obd_llogs, logcookies->lgc_subsys);
+ ctxt = llog_get_context(obd, logcookies->lgc_subsys);
if (ctxt == NULL) {
CWARN("llog subsys not setup or already cleanup\n");
RETURN(-ENOENT);
}
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ disk_obd = ctxt->loc_exp->exp_obd;
+ push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
for (i = 0; i < num_cookies; i++, logcookies++) {
cathandle = ctxt->loc_handle;
LASSERT(cathandle != NULL);
inode = cathandle->lgh_file->f_dentry->d_inode;
- handle = llog_fsfilt_start(ctxt, inode,
- FSFILT_OP_CANCEL_UNLINK, NULL);
+ handle = fsfilt_start_log(disk_obd, inode,
+ FSFILT_OP_CANCEL_UNLINK, NULL, 1);
if (IS_ERR(handle)) {
CERROR("fsfilt_start failed: %ld\n", PTR_ERR(handle));
GOTO(pop_ctxt, rc = PTR_ERR(handle));
rc = llog_cat_cancel_records(cathandle, 1, logcookies);
- err = llog_fsfilt_commit(ctxt, inode, handle, 0);
+ err = fsfilt_commit(disk_obd, inode, handle, 0);
if (err) {
CERROR("error committing transaction: %d\n", err);
if (!rc)
}
}
pop_ctxt:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
if (rc)
CERROR("cancel %d llog-records failed: %d\n", num_cookies, rc);
else
char *client)
{
struct mds_obd *mds = &obd->u.mds;
- struct llog_ctxt *ctxt;
+ 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;
- ctxt = llog_get_context(&obd->obd_llogs, LLOG_CONFIG_ORIG_CTXT);
if (ctxt == NULL || mds == NULL)
RETURN(-EOPNOTSUPP);
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
sprintf(name[0], "%s", mds->mds_profile);
sprintf(name[1], "%s-clean", mds->mds_profile);
break;
}
out_pop:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
RETURN(rc);
}
char name[32] = CATLIST;
int rc;
struct cb_data data;
- struct llog_ctxt *ctxt = llog_get_context(&obd->obd_llogs,
- LLOG_CONFIG_ORIG_CTXT);
+ struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
if (ctxt == NULL || mds == NULL)
RETURN(-EOPNOTSUPP);
if (!idarray)
RETURN(-ENOMEM);
- rc = llog_get_cat_list(&obd->obd_lvfs_ctxt, obd->obd_fsops,
- name, count, idarray);
+ rc = llog_get_cat_list(obd, obd, name, count, idarray);
if (rc)
GOTO(out_free, rc);
- push_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
data.ctxt = ctxt;
data.out = buf;
break;
}
out_pop:
- pop_ctxt(&saved, ctxt->loc_lvfs_ctxt, NULL);
+ pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
out_free:
OBD_FREE(idarray, size);
RETURN(rc);
char *keyword;
char *buf, *reply;
int rc, buf_len = LLOG_CHUNK_SIZE;
+ int size[2] = { sizeof(struct ptlrpc_body), buf_len };
OBD_ALLOC(buf, buf_len);
if (buf == NULL)
return -ENOMEM;
memset(buf, 0, buf_len);
- keyword = lustre_msg_string(req->rq_reqmsg, 0, 0);
+ keyword = lustre_msg_string(req->rq_reqmsg, REQ_REC_OFF, 0);
if (strcmp(keyword, "config") == 0) {
- char *client = lustre_msg_string(req->rq_reqmsg, 1, 0);
+ char *client = lustre_msg_string(req->rq_reqmsg,
+ REQ_REC_OFF + 1, 0);
rc = llog_catinfo_config(obd, buf, buf_len, client);
} else if (strcmp(keyword, "deletions") == 0) {
rc = llog_catinfo_deletions(obd, buf, buf_len);
rc = -EOPNOTSUPP;
}
- rc = lustre_pack_reply(req, 1, &buf_len, NULL);
+ rc = lustre_pack_reply(req, 2, size, NULL);
if (rc)
GOTO(out_free, rc = -ENOMEM);
- reply = lustre_msg_buf(req->rq_repmsg, 0, buf_len);
+ reply = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, buf_len);
if (strlen(buf) == 0)
sprintf(buf, "%s", "No log informations\n");
memcpy(reply, buf, buf_len);
LBUG();
return 0;
}
-int llog_origin_handle_prev_block(struct ptlrpc_request *req)
+
+int llog_origin_handle_destroy(struct ptlrpc_request *req)
{
LBUG();
return 0;
}
+
int llog_origin_handle_next_block(struct ptlrpc_request *req)
{
LBUG();
return 0;
}
+int llog_origin_handle_prev_block(struct ptlrpc_request *req)
+{
+ LBUG();
+ return 0;
+}
int llog_origin_handle_read_header(struct ptlrpc_request *req)
{
LBUG();