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LU-1866 misc: fix some issues found during LFSCK
[fs/lustre-release.git] / lustre / ptlrpc / sec.c
index 62af35c..6076e38 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,6 +26,8 @@
 /*
  * Copyright (c) 2007, 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/
@@ -38,9 +38,6 @@
  * Author: Eric Mei <ericm@clusterfs.com>
  */
 
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_SEC
 
 #include <libcfs/libcfs.h>
@@ -66,7 +63,7 @@
  * policy registers                            *
  ***********************************************/
 
-static cfs_rwlock_t policy_lock;
+static rwlock_t policy_lock;
 static struct ptlrpc_sec_policy *policies[SPTLRPC_POLICY_MAX] = {
         NULL,
 };
@@ -82,13 +79,13 @@ int sptlrpc_register_policy(struct ptlrpc_sec_policy *policy)
         if (number >= SPTLRPC_POLICY_MAX)
                 return -EINVAL;
 
-        cfs_write_lock(&policy_lock);
+       write_lock(&policy_lock);
         if (unlikely(policies[number])) {
-                cfs_write_unlock(&policy_lock);
+               write_unlock(&policy_lock);
                 return -EALREADY;
         }
         policies[number] = policy;
-        cfs_write_unlock(&policy_lock);
+       write_unlock(&policy_lock);
 
         CDEBUG(D_SEC, "%s: registered\n", policy->sp_name);
         return 0;
@@ -101,16 +98,16 @@ int sptlrpc_unregister_policy(struct ptlrpc_sec_policy *policy)
 
         LASSERT(number < SPTLRPC_POLICY_MAX);
 
-        cfs_write_lock(&policy_lock);
+       write_lock(&policy_lock);
         if (unlikely(policies[number] == NULL)) {
-                cfs_write_unlock(&policy_lock);
+               write_unlock(&policy_lock);
                 CERROR("%s: already unregistered\n", policy->sp_name);
                 return -EINVAL;
         }
 
         LASSERT(policies[number] == policy);
         policies[number] = NULL;
-        cfs_write_unlock(&policy_lock);
+       write_unlock(&policy_lock);
 
         CDEBUG(D_SEC, "%s: unregistered\n", policy->sp_name);
         return 0;
@@ -120,7 +117,7 @@ EXPORT_SYMBOL(sptlrpc_unregister_policy);
 static
 struct ptlrpc_sec_policy * sptlrpc_wireflavor2policy(__u32 flavor)
 {
-        static CFS_DECLARE_MUTEX(load_mutex);
+       static DEFINE_MUTEX(load_mutex);
         static cfs_atomic_t       loaded = CFS_ATOMIC_INIT(0);
         struct ptlrpc_sec_policy *policy;
         __u16                     number = SPTLRPC_FLVR_POLICY(flavor);
@@ -130,29 +127,30 @@ struct ptlrpc_sec_policy * sptlrpc_wireflavor2policy(__u32 flavor)
                 return NULL;
 
         while (1) {
-                cfs_read_lock(&policy_lock);
+               read_lock(&policy_lock);
                 policy = policies[number];
                 if (policy && !cfs_try_module_get(policy->sp_owner))
                         policy = NULL;
                 if (policy == NULL)
                         flag = cfs_atomic_read(&loaded);
-                cfs_read_unlock(&policy_lock);
+               read_unlock(&policy_lock);
 
                 if (policy != NULL || flag != 0 ||
                     number != SPTLRPC_POLICY_GSS)
                         break;
 
                 /* try to load gss module, once */
-                cfs_mutex_down(&load_mutex);
+               mutex_lock(&load_mutex);
                 if (cfs_atomic_read(&loaded) == 0) {
                         if (cfs_request_module("ptlrpc_gss") == 0)
-                                CWARN("module ptlrpc_gss loaded on demand\n");
+                                CDEBUG(D_SEC,
+                                       "module ptlrpc_gss loaded on demand\n");
                         else
                                 CERROR("Unable to load module ptlrpc_gss\n");
 
                         cfs_atomic_set(&loaded, 1);
                 }
-                cfs_mutex_up(&load_mutex);
+               mutex_unlock(&load_mutex);
         }
 
         return policy;
@@ -237,21 +235,20 @@ EXPORT_SYMBOL(sptlrpc_flavor2name);
 
 char *sptlrpc_secflags2str(__u32 flags, char *buf, int bufsize)
 {
-        buf[0] = '\0';
+       buf[0] = '\0';
 
-        if (flags & PTLRPC_SEC_FL_REVERSE)
-                strncat(buf, "reverse,", bufsize);
-        if (flags & PTLRPC_SEC_FL_ROOTONLY)
-                strncat(buf, "rootonly,", bufsize);
-        if (flags & PTLRPC_SEC_FL_UDESC)
-                strncat(buf, "udesc,", bufsize);
-        if (flags & PTLRPC_SEC_FL_BULK)
-                strncat(buf, "bulk,", bufsize);
-        if (buf[0] == '\0')
-                strncat(buf, "-,", bufsize);
+       if (flags & PTLRPC_SEC_FL_REVERSE)
+               strlcat(buf, "reverse,", bufsize);
+       if (flags & PTLRPC_SEC_FL_ROOTONLY)
+               strlcat(buf, "rootonly,", bufsize);
+       if (flags & PTLRPC_SEC_FL_UDESC)
+               strlcat(buf, "udesc,", bufsize);
+       if (flags & PTLRPC_SEC_FL_BULK)
+               strlcat(buf, "bulk,", bufsize);
+       if (buf[0] == '\0')
+               strlcat(buf, "-,", bufsize);
 
-        buf[bufsize - 1] = '\0';
-        return buf;
+       return buf;
 }
 EXPORT_SYMBOL(sptlrpc_secflags2str);
 
@@ -324,15 +321,15 @@ EXPORT_SYMBOL(sptlrpc_cli_ctx_expire);
  */
 void sptlrpc_cli_ctx_wakeup(struct ptlrpc_cli_ctx *ctx)
 {
-        struct ptlrpc_request *req, *next;
+       struct ptlrpc_request *req, *next;
 
-        cfs_spin_lock(&ctx->cc_lock);
-        cfs_list_for_each_entry_safe(req, next, &ctx->cc_req_list,
-                                     rq_ctx_chain) {
-                cfs_list_del_init(&req->rq_ctx_chain);
-                ptlrpc_client_wake_req(req);
-        }
-        cfs_spin_unlock(&ctx->cc_lock);
+       spin_lock(&ctx->cc_lock);
+       cfs_list_for_each_entry_safe(req, next, &ctx->cc_req_list,
+                                    rq_ctx_chain) {
+               cfs_list_del_init(&req->rq_ctx_chain);
+               ptlrpc_client_wake_req(req);
+       }
+       spin_unlock(&ctx->cc_lock);
 }
 EXPORT_SYMBOL(sptlrpc_cli_ctx_wakeup);
 
@@ -348,15 +345,15 @@ int sptlrpc_cli_ctx_display(struct ptlrpc_cli_ctx *ctx, char *buf, int bufsize)
 
 static int import_sec_check_expire(struct obd_import *imp)
 {
-        int     adapt = 0;
+       int     adapt = 0;
 
-        cfs_spin_lock(&imp->imp_lock);
-        if (imp->imp_sec_expire &&
-            imp->imp_sec_expire < cfs_time_current_sec()) {
-                adapt = 1;
-                imp->imp_sec_expire = 0;
-        }
-        cfs_spin_unlock(&imp->imp_lock);
+       spin_lock(&imp->imp_lock);
+       if (imp->imp_sec_expire &&
+           imp->imp_sec_expire < cfs_time_current_sec()) {
+               adapt = 1;
+               imp->imp_sec_expire = 0;
+       }
+       spin_unlock(&imp->imp_lock);
 
         if (!adapt)
                 return 0;
@@ -445,9 +442,9 @@ void sptlrpc_req_put_ctx(struct ptlrpc_request *req, int sync)
          * in the context waiting list.
          */
         if (!cfs_list_empty(&req->rq_ctx_chain)) {
-                cfs_spin_lock(&req->rq_cli_ctx->cc_lock);
-                cfs_list_del_init(&req->rq_ctx_chain);
-                cfs_spin_unlock(&req->rq_cli_ctx->cc_lock);
+               spin_lock(&req->rq_cli_ctx->cc_lock);
+               cfs_list_del_init(&req->rq_ctx_chain);
+               spin_unlock(&req->rq_cli_ctx->cc_lock);
         }
 
         sptlrpc_cli_ctx_put(req->rq_cli_ctx, sync);
@@ -469,12 +466,12 @@ int sptlrpc_req_ctx_switch(struct ptlrpc_request *req,
         LASSERT(req->rq_reqlen);
         LASSERT(req->rq_replen);
 
-        CWARN("req %p: switch ctx %p(%u->%s) -> %p(%u->%s), "
-              "switch sec %p(%s) -> %p(%s)\n", req,
-              oldctx, oldctx->cc_vcred.vc_uid, sec2target_str(oldctx->cc_sec),
-              newctx, newctx->cc_vcred.vc_uid, sec2target_str(newctx->cc_sec),
-              oldctx->cc_sec, oldctx->cc_sec->ps_policy->sp_name,
-              newctx->cc_sec, newctx->cc_sec->ps_policy->sp_name);
+        CDEBUG(D_SEC, "req %p: switch ctx %p(%u->%s) -> %p(%u->%s), "
+               "switch sec %p(%s) -> %p(%s)\n", req,
+               oldctx, oldctx->cc_vcred.vc_uid, sec2target_str(oldctx->cc_sec),
+               newctx, newctx->cc_vcred.vc_uid, sec2target_str(newctx->cc_sec),
+               oldctx->cc_sec, oldctx->cc_sec->ps_policy->sp_name,
+               newctx->cc_sec, newctx->cc_sec->ps_policy->sp_name);
 
         /* save flavor */
         old_flvr = req->rq_flvr;
@@ -548,12 +545,13 @@ int sptlrpc_req_replace_dead_ctx(struct ptlrpc_request *req)
         LASSERT(newctx);
 
         if (unlikely(newctx == oldctx && 
-                     cfs_test_bit(PTLRPC_CTX_DEAD_BIT, &oldctx->cc_flags))) {
+                    test_bit(PTLRPC_CTX_DEAD_BIT, &oldctx->cc_flags))) {
                 /*
                  * still get the old dead ctx, usually means system too busy
                  */
-                CWARN("ctx (%p, fl %lx) doesn't switch, relax a little bit\n",
-                      newctx, newctx->cc_flags);
+                CDEBUG(D_SEC,
+                       "ctx (%p, fl %lx) doesn't switch, relax a little bit\n",
+                       newctx, newctx->cc_flags);
 
                 cfs_schedule_timeout_and_set_state(CFS_TASK_INTERRUPTIBLE,
                                                    CFS_HZ);
@@ -610,20 +608,20 @@ int ctx_refresh_timeout(void *data)
 static
 void ctx_refresh_interrupt(void *data)
 {
-        struct ptlrpc_request *req = data;
+       struct ptlrpc_request *req = data;
 
-        cfs_spin_lock(&req->rq_lock);
-        req->rq_intr = 1;
-        cfs_spin_unlock(&req->rq_lock);
+       spin_lock(&req->rq_lock);
+       req->rq_intr = 1;
+       spin_unlock(&req->rq_lock);
 }
 
 static
 void req_off_ctx_list(struct ptlrpc_request *req, struct ptlrpc_cli_ctx *ctx)
 {
-        cfs_spin_lock(&ctx->cc_lock);
-        if (!cfs_list_empty(&req->rq_ctx_chain))
-                cfs_list_del_init(&req->rq_ctx_chain);
-        cfs_spin_unlock(&ctx->cc_lock);
+       spin_lock(&ctx->cc_lock);
+       if (!cfs_list_empty(&req->rq_ctx_chain))
+               cfs_list_del_init(&req->rq_ctx_chain);
+       spin_unlock(&ctx->cc_lock);
 }
 
 /**
@@ -675,11 +673,11 @@ again:
         if (cli_ctx_is_eternal(ctx))
                 RETURN(0);
 
-        if (unlikely(cfs_test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags))) {
+       if (unlikely(test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags))) {
                 LASSERT(ctx->cc_ops->refresh);
                 ctx->cc_ops->refresh(ctx);
         }
-        LASSERT(cfs_test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags) == 0);
+       LASSERT(test_bit(PTLRPC_CTX_NEW_BIT, &ctx->cc_flags) == 0);
 
         LASSERT(ctx->cc_ops->validate);
         if (ctx->cc_ops->validate(ctx) == 0) {
@@ -687,10 +685,10 @@ again:
                 RETURN(0);
         }
 
-        if (unlikely(cfs_test_bit(PTLRPC_CTX_ERROR_BIT, &ctx->cc_flags))) {
-                cfs_spin_lock(&req->rq_lock);
-                req->rq_err = 1;
-                cfs_spin_unlock(&req->rq_lock);
+       if (unlikely(test_bit(PTLRPC_CTX_ERROR_BIT, &ctx->cc_flags))) {
+               spin_lock(&req->rq_lock);
+               req->rq_err = 1;
+               spin_unlock(&req->rq_lock);
                 req_off_ctx_list(req, ctx);
                 RETURN(-EPERM);
         }
@@ -722,33 +720,33 @@ again:
          *  2. Current context never be refreshed, then we are fine: we
          *     never really send request with old context before.
          */
-        if (cfs_test_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags) &&
-            unlikely(req->rq_reqmsg) &&
-            lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
-                req_off_ctx_list(req, ctx);
-                RETURN(0);
-        }
-
-        if (unlikely(cfs_test_bit(PTLRPC_CTX_DEAD_BIT, &ctx->cc_flags))) {
-                req_off_ctx_list(req, ctx);
-                /*
-                 * don't switch ctx if import was deactivated
-                 */
-                if (req->rq_import->imp_deactive) {
-                        cfs_spin_lock(&req->rq_lock);
-                        req->rq_err = 1;
-                        cfs_spin_unlock(&req->rq_lock);
-                        RETURN(-EINTR);
-                }
-
-                rc = sptlrpc_req_replace_dead_ctx(req);
-                if (rc) {
-                        LASSERT(ctx == req->rq_cli_ctx);
-                        CERROR("req %p: failed to replace dead ctx %p: %d\n",
-                                req, ctx, rc);
-                        cfs_spin_lock(&req->rq_lock);
-                        req->rq_err = 1;
-                        cfs_spin_unlock(&req->rq_lock);
+       if (test_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags) &&
+           unlikely(req->rq_reqmsg) &&
+           lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
+               req_off_ctx_list(req, ctx);
+               RETURN(0);
+       }
+
+       if (unlikely(test_bit(PTLRPC_CTX_DEAD_BIT, &ctx->cc_flags))) {
+               req_off_ctx_list(req, ctx);
+               /*
+                * don't switch ctx if import was deactivated
+                */
+               if (req->rq_import->imp_deactive) {
+                       spin_lock(&req->rq_lock);
+                       req->rq_err = 1;
+                       spin_unlock(&req->rq_lock);
+                       RETURN(-EINTR);
+               }
+
+               rc = sptlrpc_req_replace_dead_ctx(req);
+               if (rc) {
+                       LASSERT(ctx == req->rq_cli_ctx);
+                       CERROR("req %p: failed to replace dead ctx %p: %d\n",
+                              req, ctx, rc);
+                       spin_lock(&req->rq_lock);
+                       req->rq_err = 1;
+                       spin_unlock(&req->rq_lock);
                         RETURN(rc);
                 }
 
@@ -760,22 +758,22 @@ again:
          * Now we're sure this context is during upcall, add myself into
          * waiting list
          */
-        cfs_spin_lock(&ctx->cc_lock);
-        if (cfs_list_empty(&req->rq_ctx_chain))
-                cfs_list_add(&req->rq_ctx_chain, &ctx->cc_req_list);
-        cfs_spin_unlock(&ctx->cc_lock);
-
-        if (timeout < 0)
-                RETURN(-EWOULDBLOCK);
-
-        /* Clear any flags that may be present from previous sends */
-        LASSERT(req->rq_receiving_reply == 0);
-        cfs_spin_lock(&req->rq_lock);
-        req->rq_err = 0;
-        req->rq_timedout = 0;
-        req->rq_resend = 0;
-        req->rq_restart = 0;
-        cfs_spin_unlock(&req->rq_lock);
+       spin_lock(&ctx->cc_lock);
+       if (cfs_list_empty(&req->rq_ctx_chain))
+               cfs_list_add(&req->rq_ctx_chain, &ctx->cc_req_list);
+       spin_unlock(&ctx->cc_lock);
+
+       if (timeout < 0)
+               RETURN(-EWOULDBLOCK);
+
+       /* Clear any flags that may be present from previous sends */
+       LASSERT(req->rq_receiving_reply == 0);
+       spin_lock(&req->rq_lock);
+       req->rq_err = 0;
+       req->rq_timedout = 0;
+       req->rq_resend = 0;
+       req->rq_restart = 0;
+       spin_unlock(&req->rq_lock);
 
         lwi = LWI_TIMEOUT_INTR(timeout * CFS_HZ, ctx_refresh_timeout,
                                ctx_refresh_interrupt, req);
@@ -823,6 +821,7 @@ void sptlrpc_req_set_flavor(struct ptlrpc_request *req, int opcode)
         case OST_READ:
         case MDS_READPAGE:
         case MGS_CONFIG_READ:
+       case OBD_IDX_READ:
                 req->rq_bulk_read = 1;
                 break;
         case OST_WRITE:
@@ -848,9 +847,9 @@ void sptlrpc_req_set_flavor(struct ptlrpc_request *req, int opcode)
 
         sec = req->rq_cli_ctx->cc_sec;
 
-        cfs_spin_lock(&sec->ps_lock);
-        req->rq_flvr = sec->ps_flvr;
-        cfs_spin_unlock(&sec->ps_lock);
+       spin_lock(&sec->ps_lock);
+       req->rq_flvr = sec->ps_flvr;
+       spin_unlock(&sec->ps_lock);
 
         /* force SVC_NULL for context initiation rpc, SVC_INTG for context
          * destruction rpc */
@@ -921,7 +920,7 @@ int sptlrpc_import_check_ctx(struct obd_import *imp)
         if (!req)
                 RETURN(-ENOMEM);
 
-        cfs_spin_lock_init(&req->rq_lock);
+       spin_lock_init(&req->rq_lock);
         cfs_atomic_set(&req->rq_refcount, 10000);
         CFS_INIT_LIST_HEAD(&req->rq_ctx_chain);
         cfs_waitq_init(&req->rq_reply_waitq);
@@ -1115,42 +1114,42 @@ int sptlrpc_cli_unwrap_early_reply(struct ptlrpc_request *req,
                 GOTO(err_req, rc = -ENOMEM);
 
         /* sanity checkings and copy data out, do it inside spinlock */
-        cfs_spin_lock(&req->rq_lock);
-
-        if (req->rq_replied) {
-                cfs_spin_unlock(&req->rq_lock);
-                GOTO(err_buf, rc = -EALREADY);
-        }
-
-        LASSERT(req->rq_repbuf);
-        LASSERT(req->rq_repdata == NULL);
-        LASSERT(req->rq_repmsg == NULL);
-
-        if (req->rq_reply_off != 0) {
-                CERROR("early reply with offset %u\n", req->rq_reply_off);
-                cfs_spin_unlock(&req->rq_lock);
-                GOTO(err_buf, rc = -EPROTO);
-        }
-
-        if (req->rq_nob_received != early_size) {
-                /* even another early arrived the size should be the same */
-                CERROR("data size has changed from %u to %u\n",
-                       early_size, req->rq_nob_received);
-                cfs_spin_unlock(&req->rq_lock);
-                GOTO(err_buf, rc = -EINVAL);
-        }
-
-        if (req->rq_nob_received < sizeof(struct lustre_msg)) {
-                CERROR("early reply length %d too small\n",
-                       req->rq_nob_received);
-                cfs_spin_unlock(&req->rq_lock);
-                GOTO(err_buf, rc = -EALREADY);
-        }
-
-        memcpy(early_buf, req->rq_repbuf, early_size);
-        cfs_spin_unlock(&req->rq_lock);
-
-        cfs_spin_lock_init(&early_req->rq_lock);
+       spin_lock(&req->rq_lock);
+
+       if (req->rq_replied) {
+               spin_unlock(&req->rq_lock);
+               GOTO(err_buf, rc = -EALREADY);
+       }
+
+       LASSERT(req->rq_repbuf);
+       LASSERT(req->rq_repdata == NULL);
+       LASSERT(req->rq_repmsg == NULL);
+
+       if (req->rq_reply_off != 0) {
+               CERROR("early reply with offset %u\n", req->rq_reply_off);
+               spin_unlock(&req->rq_lock);
+               GOTO(err_buf, rc = -EPROTO);
+       }
+
+       if (req->rq_nob_received != early_size) {
+               /* even another early arrived the size should be the same */
+               CERROR("data size has changed from %u to %u\n",
+                      early_size, req->rq_nob_received);
+               spin_unlock(&req->rq_lock);
+               GOTO(err_buf, rc = -EINVAL);
+       }
+
+       if (req->rq_nob_received < sizeof(struct lustre_msg)) {
+               CERROR("early reply length %d too small\n",
+                      req->rq_nob_received);
+               spin_unlock(&req->rq_lock);
+               GOTO(err_buf, rc = -EALREADY);
+       }
+
+       memcpy(early_buf, req->rq_repbuf, early_size);
+       spin_unlock(&req->rq_lock);
+
+       spin_lock_init(&early_req->rq_lock);
         early_req->rq_cli_ctx = sptlrpc_cli_ctx_get(req->rq_cli_ctx);
         early_req->rq_flvr = req->rq_flvr;
         early_req->rq_repbuf = early_buf;
@@ -1335,27 +1334,27 @@ struct ptlrpc_sec * sptlrpc_sec_create(struct obd_import *imp,
 
 struct ptlrpc_sec *sptlrpc_import_sec_ref(struct obd_import *imp)
 {
-        struct ptlrpc_sec *sec;
+       struct ptlrpc_sec *sec;
 
-        cfs_spin_lock(&imp->imp_lock);
-        sec = sptlrpc_sec_get(imp->imp_sec);
-        cfs_spin_unlock(&imp->imp_lock);
+       spin_lock(&imp->imp_lock);
+       sec = sptlrpc_sec_get(imp->imp_sec);
+       spin_unlock(&imp->imp_lock);
 
-        return sec;
+       return sec;
 }
 EXPORT_SYMBOL(sptlrpc_import_sec_ref);
 
 static void sptlrpc_import_sec_install(struct obd_import *imp,
                                        struct ptlrpc_sec *sec)
 {
-        struct ptlrpc_sec *old_sec;
+       struct ptlrpc_sec *old_sec;
 
-        LASSERT_ATOMIC_POS(&sec->ps_refcount);
+       LASSERT_ATOMIC_POS(&sec->ps_refcount);
 
-        cfs_spin_lock(&imp->imp_lock);
-        old_sec = imp->imp_sec;
-        imp->imp_sec = sec;
-        cfs_spin_unlock(&imp->imp_lock);
+       spin_lock(&imp->imp_lock);
+       old_sec = imp->imp_sec;
+       imp->imp_sec = sec;
+       spin_unlock(&imp->imp_lock);
 
         if (old_sec) {
                 sptlrpc_sec_kill(old_sec);
@@ -1384,15 +1383,15 @@ static void sptlrpc_import_sec_adapt_inplace(struct obd_import *imp,
         char    str1[32], str2[32];
 
         if (sec->ps_flvr.sf_flags != sf->sf_flags)
-                CWARN("changing sec flags: %s -> %s\n",
-                      sptlrpc_secflags2str(sec->ps_flvr.sf_flags,
-                                           str1, sizeof(str1)),
-                      sptlrpc_secflags2str(sf->sf_flags,
-                                           str2, sizeof(str2)));
+                CDEBUG(D_SEC, "changing sec flags: %s -> %s\n",
+                       sptlrpc_secflags2str(sec->ps_flvr.sf_flags,
+                                            str1, sizeof(str1)),
+                       sptlrpc_secflags2str(sf->sf_flags,
+                                            str2, sizeof(str2)));
 
-        cfs_spin_lock(&sec->ps_lock);
-        flavor_copy(&sec->ps_flvr, sf);
-        cfs_spin_unlock(&sec->ps_lock);
+       spin_lock(&sec->ps_lock);
+       flavor_copy(&sec->ps_flvr, sf);
+       spin_unlock(&sec->ps_lock);
 }
 
 /**
@@ -1454,11 +1453,11 @@ int sptlrpc_import_sec_adapt(struct obd_import *imp,
                 if (flavor_equal(&sf, &sec->ps_flvr))
                         GOTO(out, rc);
 
-                CWARN("import %s->%s: changing flavor %s -> %s\n",
-                      imp->imp_obd->obd_name,
-                      obd_uuid2str(&conn->c_remote_uuid),
-                      sptlrpc_flavor2name(&sec->ps_flvr, str, sizeof(str)),
-                      sptlrpc_flavor2name(&sf, str2, sizeof(str2)));
+                CDEBUG(D_SEC, "import %s->%s: changing flavor %s -> %s\n",
+                       imp->imp_obd->obd_name,
+                       obd_uuid2str(&conn->c_remote_uuid),
+                       sptlrpc_flavor2name(&sec->ps_flvr, str, sizeof(str)),
+                       sptlrpc_flavor2name(&sf, str2, sizeof(str2)));
 
                 if (SPTLRPC_FLVR_POLICY(sf.sf_rpc) ==
                     SPTLRPC_FLVR_POLICY(sec->ps_flvr.sf_rpc) &&
@@ -1467,15 +1466,16 @@ int sptlrpc_import_sec_adapt(struct obd_import *imp,
                         sptlrpc_import_sec_adapt_inplace(imp, sec, &sf);
                         GOTO(out, rc);
                 }
-        } else if (sptlrpc_flavor2name_base(sf.sf_rpc) != SPTLRPC_FLVR_NULL) {
-                LCONSOLE_INFO("import %s->%s netid %x: select flavor %s\n",
-                              imp->imp_obd->obd_name,
-                              obd_uuid2str(&conn->c_remote_uuid),
-                              LNET_NIDNET(conn->c_self),
-                              sptlrpc_flavor2name(&sf, str, sizeof(str)));
+        } else if (SPTLRPC_FLVR_BASE(sf.sf_rpc) !=
+                   SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_NULL)) {
+                CDEBUG(D_SEC, "import %s->%s netid %x: select flavor %s\n",
+                       imp->imp_obd->obd_name,
+                       obd_uuid2str(&conn->c_remote_uuid),
+                       LNET_NIDNET(conn->c_self),
+                       sptlrpc_flavor2name(&sf, str, sizeof(str)));
         }
 
-        cfs_mutex_down(&imp->imp_sec_mutex);
+       mutex_lock(&imp->imp_sec_mutex);
 
         newsec = sptlrpc_sec_create(imp, svc_ctx, &sf, sp);
         if (newsec) {
@@ -1487,7 +1487,7 @@ int sptlrpc_import_sec_adapt(struct obd_import *imp,
                 rc = -EPERM;
         }
 
-        cfs_mutex_up(&imp->imp_sec_mutex);
+       mutex_unlock(&imp->imp_sec_mutex);
 out:
         sptlrpc_sec_put(sec);
         RETURN(rc);
@@ -1776,7 +1776,7 @@ int sptlrpc_target_export_check(struct obd_export *exp,
         if (req->rq_ctx_fini)
                 return 0;
 
-        cfs_spin_lock(&exp->exp_lock);
+       spin_lock(&exp->exp_lock);
 
         /* if flavor just changed (exp->exp_flvr_changed != 0), we wait for
          * the first req with the new flavor, then treat it as current flavor,
@@ -1806,16 +1806,16 @@ int sptlrpc_target_export_check(struct obd_export *exp,
                     !(req->rq_ctx_init &&
                       (req->rq_auth_usr_root || req->rq_auth_usr_mdt ||
                        req->rq_auth_usr_ost))) {
-                        cfs_spin_unlock(&exp->exp_lock);
-                        CDEBUG(D_SEC, "is good but not root(%d:%d:%d:%d:%d)\n",
-                               req->rq_auth_gss, req->rq_ctx_init,
-                               req->rq_auth_usr_root, req->rq_auth_usr_mdt,
-                               req->rq_auth_usr_ost);
-                        return 0;
-                }
+                       spin_unlock(&exp->exp_lock);
+                       CDEBUG(D_SEC, "is good but not root(%d:%d:%d:%d:%d)\n",
+                              req->rq_auth_gss, req->rq_ctx_init,
+                              req->rq_auth_usr_root, req->rq_auth_usr_mdt,
+                              req->rq_auth_usr_ost);
+                       return 0;
+               }
 
-                exp->exp_flvr_adapt = 0;
-                cfs_spin_unlock(&exp->exp_lock);
+               exp->exp_flvr_adapt = 0;
+               spin_unlock(&exp->exp_lock);
 
                 return sptlrpc_import_sec_adapt(exp->exp_imp_reverse,
                                                 req->rq_svc_ctx, &flavor);
@@ -1829,37 +1829,37 @@ int sptlrpc_target_export_check(struct obd_export *exp,
                 if (!req->rq_auth_gss || !req->rq_ctx_init ||
                     (!req->rq_auth_usr_root && !req->rq_auth_usr_mdt &&
                      !req->rq_auth_usr_ost)) {
-                        cfs_spin_unlock(&exp->exp_lock);
-                        return 0;
-                }
-
-                /* if flavor just changed, we should not proceed, just leave
-                 * it and current flavor will be discovered and replaced
-                 * shortly, and let _this_ rpc pass through */
-                if (exp->exp_flvr_changed) {
-                        LASSERT(exp->exp_flvr_adapt);
-                        cfs_spin_unlock(&exp->exp_lock);
-                        return 0;
-                }
-
-                if (exp->exp_flvr_adapt) {
-                        exp->exp_flvr_adapt = 0;
-                        CDEBUG(D_SEC, "exp %p (%x|%x|%x): do delayed adapt\n",
-                               exp, exp->exp_flvr.sf_rpc,
-                               exp->exp_flvr_old[0].sf_rpc,
-                               exp->exp_flvr_old[1].sf_rpc);
-                        flavor = exp->exp_flvr;
-                        cfs_spin_unlock(&exp->exp_lock);
-
-                        return sptlrpc_import_sec_adapt(exp->exp_imp_reverse,
-                                                        req->rq_svc_ctx,
-                                                        &flavor);
-                } else {
-                        CDEBUG(D_SEC, "exp %p (%x|%x|%x): is current flavor, "
-                               "install rvs ctx\n", exp, exp->exp_flvr.sf_rpc,
-                               exp->exp_flvr_old[0].sf_rpc,
-                               exp->exp_flvr_old[1].sf_rpc);
-                        cfs_spin_unlock(&exp->exp_lock);
+                       spin_unlock(&exp->exp_lock);
+                       return 0;
+               }
+
+               /* if flavor just changed, we should not proceed, just leave
+                * it and current flavor will be discovered and replaced
+                * shortly, and let _this_ rpc pass through */
+               if (exp->exp_flvr_changed) {
+                       LASSERT(exp->exp_flvr_adapt);
+                       spin_unlock(&exp->exp_lock);
+                       return 0;
+               }
+
+               if (exp->exp_flvr_adapt) {
+                       exp->exp_flvr_adapt = 0;
+                       CDEBUG(D_SEC, "exp %p (%x|%x|%x): do delayed adapt\n",
+                              exp, exp->exp_flvr.sf_rpc,
+                              exp->exp_flvr_old[0].sf_rpc,
+                              exp->exp_flvr_old[1].sf_rpc);
+                       flavor = exp->exp_flvr;
+                       spin_unlock(&exp->exp_lock);
+
+                       return sptlrpc_import_sec_adapt(exp->exp_imp_reverse,
+                                                       req->rq_svc_ctx,
+                                                       &flavor);
+               } else {
+                       CDEBUG(D_SEC, "exp %p (%x|%x|%x): is current flavor, "
+                              "install rvs ctx\n", exp, exp->exp_flvr.sf_rpc,
+                              exp->exp_flvr_old[0].sf_rpc,
+                              exp->exp_flvr_old[1].sf_rpc);
+                       spin_unlock(&exp->exp_lock);
 
                         return sptlrpc_svc_install_rvs_ctx(exp->exp_imp_reverse,
                                                            req->rq_svc_ctx);
@@ -1876,7 +1876,7 @@ int sptlrpc_target_export_check(struct obd_export *exp,
                                        exp->exp_flvr_old[1].sf_rpc,
                                        exp->exp_flvr_expire[0] -
                                                 cfs_time_current_sec());
-                                cfs_spin_unlock(&exp->exp_lock);
+                               spin_unlock(&exp->exp_lock);
                                 return 0;
                         }
                 } else {
@@ -1901,7 +1901,7 @@ int sptlrpc_target_export_check(struct obd_export *exp,
                                        exp->exp_flvr_old[1].sf_rpc,
                                        exp->exp_flvr_expire[1] -
                                                 cfs_time_current_sec());
-                                cfs_spin_unlock(&exp->exp_lock);
+                               spin_unlock(&exp->exp_lock);
                                 return 0;
                         }
                 } else {
@@ -1918,7 +1918,7 @@ int sptlrpc_target_export_check(struct obd_export *exp,
                        exp->exp_flvr_old[1].sf_rpc);
         }
 
-        cfs_spin_unlock(&exp->exp_lock);
+       spin_unlock(&exp->exp_lock);
 
         CWARN("exp %p(%s): req %p (%u|%u|%u|%u|%u|%u) with "
               "unauthorized flavor %x, expect %x|%x(%+ld)|%x(%+ld)\n",
@@ -1947,16 +1947,16 @@ void sptlrpc_target_update_exp_flavor(struct obd_device *obd,
 
         LASSERT(obd);
 
-        cfs_spin_lock(&obd->obd_dev_lock);
+       spin_lock(&obd->obd_dev_lock);
 
-        cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
-                if (exp->exp_connection == NULL)
-                        continue;
+       cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
+               if (exp->exp_connection == NULL)
+                       continue;
 
-                /* note if this export had just been updated flavor
-                 * (exp_flvr_changed == 1), this will override the
-                 * previous one. */
-                cfs_spin_lock(&exp->exp_lock);
+               /* note if this export had just been updated flavor
+                * (exp_flvr_changed == 1), this will override the
+                * previous one. */
+               spin_lock(&exp->exp_lock);
                 sptlrpc_target_choose_flavor(rset, exp->exp_sp_peer,
                                              exp->exp_connection->c_peer.nid,
                                              &new_flvr);
@@ -1972,10 +1972,10 @@ void sptlrpc_target_update_exp_flavor(struct obd_device *obd,
                                exp->exp_flvr.sf_rpc,
                                exp->exp_flvr_old[1].sf_rpc);
                 }
-                cfs_spin_unlock(&exp->exp_lock);
-        }
+               spin_unlock(&exp->exp_lock);
+       }
 
-        cfs_spin_unlock(&obd->obd_dev_lock);
+       spin_unlock(&obd->obd_dev_lock);
 }
 EXPORT_SYMBOL(sptlrpc_target_update_exp_flavor);
 
@@ -2108,7 +2108,7 @@ int sptlrpc_svc_alloc_rs(struct ptlrpc_request *req, int msglen)
         rc = policy->sp_sops->alloc_rs(req, msglen);
         if (unlikely(rc == -ENOMEM)) {
                 /* failed alloc, try emergency pool */
-                rs = lustre_get_emerg_rs(req->rq_rqbd->rqbd_service);
+               rs = lustre_get_emerg_rs(req->rq_rqbd->rqbd_svcpt);
                 if (rs == NULL)
                         RETURN(-ENOMEM);
 
@@ -2296,6 +2296,7 @@ int sptlrpc_cli_unwrap_bulk_write(struct ptlrpc_request *req,
 }
 EXPORT_SYMBOL(sptlrpc_cli_unwrap_bulk_write);
 
+#ifdef HAVE_SERVER_SUPPORT
 /**
  * Performe transformation upon outgoing bulk read.
  */
@@ -2377,6 +2378,8 @@ int sptlrpc_svc_prep_bulk(struct ptlrpc_request *req,
 }
 EXPORT_SYMBOL(sptlrpc_svc_prep_bulk);
 
+#endif /* HAVE_SERVER_SUPPORT */
+
 /****************************************
  * user descriptor helpers              *
  ****************************************/
@@ -2499,11 +2502,11 @@ EXPORT_SYMBOL(sptlrpc_flavor_has_bulk);
  * initialize/finalize                  *
  ****************************************/
 
-int __init sptlrpc_init(void)
+int sptlrpc_init(void)
 {
         int rc;
 
-        cfs_rwlock_init(&policy_lock);
+       rwlock_init(&policy_lock);
 
         rc = sptlrpc_gc_init();
         if (rc)
@@ -2545,7 +2548,7 @@ out:
         return rc;
 }
 
-void __exit sptlrpc_fini(void)
+void sptlrpc_fini(void)
 {
         sptlrpc_lproc_fini();
         sptlrpc_plain_fini();