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Message-Id: <1384444990-12191-4-git-send-email-bergwolf@gmail.com>
Date: Fri, 15 Nov 2013 00:02:33 +0800
From: Peng Tao <bergwolf@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, Peng Tao <tao.peng@....com>,
Peng Tao <bergwolf@...il.com>,
Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH 03/40] staging/lustre: remove llog_server.c
From: Peng Tao <tao.peng@....com>
It is only used by server.
Signed-off-by: Peng Tao <bergwolf@...il.com>
Signed-off-by: Andreas Dilger <andreas.dilger@...el.com>
---
drivers/staging/lustre/lustre/include/lustre_net.h | 9 -
drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c | 39 --
drivers/staging/lustre/lustre/ptlrpc/Makefile | 2 +-
drivers/staging/lustre/lustre/ptlrpc/llog_server.c | 450 --------------------
4 files changed, 1 insertion(+), 499 deletions(-)
delete mode 100644 drivers/staging/lustre/lustre/ptlrpc/llog_server.c
diff --git a/drivers/staging/lustre/lustre/include/lustre_net.h b/drivers/staging/lustre/lustre/include/lustre_net.h
index 72edf01..91f28e3 100644
--- a/drivers/staging/lustre/lustre/include/lustre_net.h
+++ b/drivers/staging/lustre/lustre/include/lustre_net.h
@@ -3470,15 +3470,6 @@ static inline void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int bytes) {}
#endif
/** @} */
-/* ptlrpc/llog_server.c */
-int llog_origin_handle_open(struct ptlrpc_request *req);
-int llog_origin_handle_destroy(struct ptlrpc_request *req);
-int llog_origin_handle_prev_block(struct ptlrpc_request *req);
-int llog_origin_handle_next_block(struct ptlrpc_request *req);
-int llog_origin_handle_read_header(struct ptlrpc_request *req);
-int llog_origin_handle_close(struct ptlrpc_request *req);
-int llog_origin_handle_cancel(struct ptlrpc_request *req);
-
/* ptlrpc/llog_client.c */
extern struct llog_operations llog_client_ops;
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
index fde9bcd..40c58b7 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
@@ -597,45 +597,6 @@ static int ldlm_callback_handler(struct ptlrpc_request *req)
rc = ldlm_handle_setinfo(req);
ldlm_callback_reply(req, rc);
return 0;
- case OBD_LOG_CANCEL: /* remove this eventually - for 1.4.0 compat */
- CERROR("shouldn't be handling OBD_LOG_CANCEL on DLM thread\n");
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- return 0;
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- return 0;
- ldlm_callback_reply(req, rc);
- return 0;
- case LLOG_ORIGIN_HANDLE_CREATE:
- req_capsule_set(&req->rq_pill, &RQF_LLOG_ORIGIN_HANDLE_CREATE);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOGD_NET))
- return 0;
- rc = llog_origin_handle_open(req);
- ldlm_callback_reply(req, rc);
- return 0;
- case LLOG_ORIGIN_HANDLE_NEXT_BLOCK:
- req_capsule_set(&req->rq_pill,
- &RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOGD_NET))
- return 0;
- rc = llog_origin_handle_next_block(req);
- ldlm_callback_reply(req, rc);
- return 0;
- case LLOG_ORIGIN_HANDLE_READ_HEADER:
- req_capsule_set(&req->rq_pill,
- &RQF_LLOG_ORIGIN_HANDLE_READ_HEADER);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOGD_NET))
- return 0;
- rc = llog_origin_handle_read_header(req);
- ldlm_callback_reply(req, rc);
- return 0;
- case LLOG_ORIGIN_HANDLE_CLOSE:
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOGD_NET))
- return 0;
- rc = llog_origin_handle_close(req);
- ldlm_callback_reply(req, rc);
- return 0;
case OBD_QC_CALLBACK:
req_capsule_set(&req->rq_pill, &RQF_QC_CALLBACK);
if (OBD_FAIL_CHECK(OBD_FAIL_OBD_QC_CALLBACK_NET))
diff --git a/drivers/staging/lustre/lustre/ptlrpc/Makefile b/drivers/staging/lustre/lustre/ptlrpc/Makefile
index 6d78b80..2ec0c24 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/Makefile
+++ b/drivers/staging/lustre/lustre/ptlrpc/Makefile
@@ -10,7 +10,7 @@ ldlm_objs += $(LDLM)ldlm_pool.o
ldlm_objs += $(LDLM)interval_tree.o
ptlrpc_objs := client.o recover.o connection.o niobuf.o pack_generic.o
ptlrpc_objs += events.o ptlrpc_module.o service.o pinger.o
-ptlrpc_objs += llog_net.o llog_client.o llog_server.o import.o ptlrpcd.o
+ptlrpc_objs += llog_net.o llog_client.o import.o ptlrpcd.o
ptlrpc_objs += pers.o lproc_ptlrpc.o wiretest.o layout.o
ptlrpc_objs += sec.o sec_bulk.o sec_gc.o sec_config.o sec_lproc.o
ptlrpc_objs += sec_null.o sec_plain.o nrs.o nrs_fifo.o
diff --git a/drivers/staging/lustre/lustre/ptlrpc/llog_server.c b/drivers/staging/lustre/lustre/ptlrpc/llog_server.c
deleted file mode 100644
index af9d2ac..0000000
--- a/drivers/staging/lustre/lustre/ptlrpc/llog_server.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * 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) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2012, Intel Corporation.
- */
-/*
- * 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@...sterfs.com>
- */
-
-#define DEBUG_SUBSYSTEM S_LOG
-
-
-#include <obd_class.h>
-#include <lustre_log.h>
-#include <lustre_net.h>
-#include <lustre_fsfilt.h>
-
-#if defined(LUSTRE_LOG_SERVER)
-static int llog_origin_close(const struct lu_env *env, struct llog_handle *lgh)
-{
- if (lgh->lgh_hdr != NULL && lgh->lgh_hdr->llh_flags & LLOG_F_IS_CAT)
- return llog_cat_close(env, lgh);
- else
- return llog_close(env, lgh);
-}
-
-/* Only open is supported, no new llog can be created remotely */
-int llog_origin_handle_open(struct ptlrpc_request *req)
-{
- struct obd_export *exp = req->rq_export;
- struct obd_device *obd = exp->exp_obd;
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct llog_logid *logid = NULL;
- struct llog_ctxt *ctxt;
- char *name = NULL;
- int rc;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- return -EFAULT;
-
- if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
- logid = &body->lgd_logid;
-
- 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, "%s: opening log %s\n", obd->obd_name, name);
- }
-
- ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
- if (ctxt == NULL) {
- CDEBUG(D_WARNING, "%s: no ctxt. group=%p idx=%d name=%s\n",
- obd->obd_name, &obd->obd_olg, body->lgd_ctxt_idx, name);
- return -ENODEV;
- }
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
- rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, logid,
- name, LLOG_OPEN_EXISTS);
- if (rc)
- GOTO(out_pop, rc);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- body->lgd_logid = loghandle->lgh_id;
-
-out_close:
- llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
-}
-EXPORT_SYMBOL(llog_origin_handle_open);
-
-int llog_origin_handle_destroy(struct ptlrpc_request *req)
-{
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
- struct llogd_body *body;
- struct llog_logid *logid = NULL;
- struct llog_ctxt *ctxt;
- int rc;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- return -EFAULT;
-
- if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
- logid = &body->lgd_logid;
-
- if (!(body->lgd_llh_flags & LLOG_F_IS_PLAIN))
- CERROR("%s: wrong llog flags %x\n",
- req->rq_export->exp_obd->obd_name, body->lgd_llh_flags);
-
- ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
- if (ctxt == NULL)
- return -ENODEV;
-
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- /* erase only if no error and logid is valid */
- if (rc == 0)
- rc = llog_erase(req->rq_svc_thread->t_env, ctxt, logid, NULL);
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
-}
-EXPORT_SYMBOL(llog_origin_handle_destroy);
-
-int llog_origin_handle_next_block(struct ptlrpc_request *req)
-{
- struct obd_device *disk_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct llogd_body *repbody;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- void *ptr;
- int rc;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- return -EFAULT;
-
- ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
- if (ctxt == NULL)
- return -ENODEV;
-
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
- rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
- &body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
- if (rc)
- GOTO(out_pop, rc);
-
- flags = body->lgd_llh_flags;
- rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
- NULL);
- if (rc)
- GOTO(out_close, rc);
-
- 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);
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- *repbody = *body;
-
- ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
- rc = llog_next_block(req->rq_svc_thread->t_env, loghandle,
- &repbody->lgd_saved_index, repbody->lgd_index,
- &repbody->lgd_cur_offset, ptr, LLOG_CHUNK_SIZE);
- if (rc)
- GOTO(out_close, rc);
-out_close:
- llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
-}
-EXPORT_SYMBOL(llog_origin_handle_next_block);
-
-int llog_origin_handle_prev_block(struct ptlrpc_request *req)
-{
- 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;
- void *ptr;
- int rc;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- return -EFAULT;
-
- ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
- if (ctxt == NULL)
- return -ENODEV;
-
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
- rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
- &body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
- if (rc)
- GOTO(out_pop, rc);
-
- flags = body->lgd_llh_flags;
- rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
- NULL);
- if (rc)
- GOTO(out_close, rc);
-
- 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);
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- *repbody = *body;
-
- ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
- rc = llog_prev_block(req->rq_svc_thread->t_env, loghandle,
- body->lgd_index, ptr, LLOG_CHUNK_SIZE);
- if (rc)
- GOTO(out_close, rc);
-
-out_close:
- llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
-}
-EXPORT_SYMBOL(llog_origin_handle_prev_block);
-
-int llog_origin_handle_read_header(struct ptlrpc_request *req)
-{
- 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;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- return -EFAULT;
-
- ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
- if (ctxt == NULL)
- return -ENODEV;
-
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
- rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
- &body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
- if (rc)
- GOTO(out_pop, rc);
-
- /*
- * llog_init_handle() reads the llog header
- */
- flags = body->lgd_llh_flags;
- rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
- NULL);
- if (rc)
- GOTO(out_close, rc);
- flags = loghandle->lgh_hdr->llh_flags;
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR);
- *hdr = *loghandle->lgh_hdr;
-out_close:
- llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
-}
-EXPORT_SYMBOL(llog_origin_handle_read_header);
-
-int llog_origin_handle_close(struct ptlrpc_request *req)
-{
- /* Nothing to do */
- return 0;
-}
-EXPORT_SYMBOL(llog_origin_handle_close);
-
-int llog_origin_handle_cancel(struct ptlrpc_request *req)
-{
- int num_cookies, rc = 0, err, i, failed = 0;
- struct obd_device *disk_obd;
- struct llog_cookie *logcookies;
- struct llog_ctxt *ctxt = NULL;
- struct lvfs_run_ctxt saved;
- struct llog_handle *cathandle;
- struct inode *inode;
- void *handle;
-
- 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 llog cookies sent");
- return -EFAULT;
- }
-
- ctxt = llog_get_context(req->rq_export->exp_obd,
- logcookies->lgc_subsys);
- if (ctxt == NULL)
- return -ENODEV;
-
- 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 = fsfilt_start_log(disk_obd, inode,
- FSFILT_OP_CANCEL_UNLINK, NULL, 1);
- if (IS_ERR(handle)) {
- CERROR("fsfilt_start_log() failed: %ld\n",
- PTR_ERR(handle));
- GOTO(pop_ctxt, rc = PTR_ERR(handle));
- }
-
- rc = llog_cat_cancel_records(req->rq_svc_thread->t_env,
- cathandle, 1, logcookies);
-
- /*
- * Do not raise -ENOENT errors for resent rpcs. This rec already
- * might be killed.
- */
- if (rc == -ENOENT &&
- (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT)) {
- /*
- * Do not change this message, reply-single.sh test_59b
- * expects to find this in log.
- */
- CDEBUG(D_RPCTRACE, "RESENT cancel req %p - ignored\n",
- req);
- rc = 0;
- } else if (rc == 0) {
- CDEBUG(D_RPCTRACE, "Canceled %d llog-records\n",
- num_cookies);
- }
-
- err = fsfilt_commit(disk_obd, inode, handle, 0);
- if (err) {
- CERROR("Error committing transaction: %d\n", err);
- if (!rc)
- rc = err;
- failed++;
- GOTO(pop_ctxt, rc);
- } else if (rc)
- failed++;
- }
- GOTO(pop_ctxt, rc);
-pop_ctxt:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- if (rc)
- CERROR("Cancel %d of %d llog-records failed: %d\n",
- failed, num_cookies, rc);
-
- llog_ctxt_put(ctxt);
- return rc;
-}
-EXPORT_SYMBOL(llog_origin_handle_cancel);
-
-#else /* !__KERNEL__ */
-int llog_origin_handle_open(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-
-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();
- return 0;
-}
-int llog_origin_handle_close(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-int llog_origin_handle_cancel(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-#endif
--
1.7.9.5
--
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