Whamcloud - gitweb
LU-459 debug: quiet overly verbose debug messages
[fs/lustre-release.git] / lustre / mdt / mdt_capa.c
index 9abc6df..968121d 100644 (file)
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
+ * Copyright (c) 2011 Whamcloud, Inc.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 
 static inline void set_capa_key_expiry(struct mdt_device *mdt)
 {
-        mdt->mdt_ck_expiry = jiffies + mdt->mdt_ck_timeout * HZ;
+        mdt->mdt_ck_expiry = jiffies + mdt->mdt_ck_timeout * CFS_HZ;
 }
 
 static void make_capa_key(struct lustre_capa_key *key,
                           mdsno_t mdsnum, int keyid)
 {
-        key->lk_mdsid = mdsnum;
+        key->lk_seq = mdsnum;
         key->lk_keyid = keyid + 1;
-        ll_get_random_bytes(key->lk_key, sizeof(key->lk_key));
+        cfs_get_random_bytes(key->lk_key, sizeof(key->lk_key));
 }
 
-enum {
-        MDT_TXN_CAPA_KEYS_WRITE_CREDITS = 1
-};
-
 static inline void lck_cpu_to_le(struct lustre_capa_key *tgt,
                                  struct lustre_capa_key *src)
 {
-        tgt->lk_mdsid   = cpu_to_le64(src->lk_mdsid);
+        tgt->lk_seq   = cpu_to_le64(src->lk_seq);
         tgt->lk_keyid   = cpu_to_le32(src->lk_keyid);
         tgt->lk_padding = cpu_to_le32(src->lk_padding);
         memcpy(tgt->lk_key, src->lk_key, sizeof(src->lk_key));
@@ -76,7 +76,7 @@ static inline void lck_cpu_to_le(struct lustre_capa_key *tgt,
 static inline void lck_le_to_cpu(struct lustre_capa_key *tgt,
                                  struct lustre_capa_key *src)
 {
-        tgt->lk_mdsid   = le64_to_cpu(src->lk_mdsid);
+        tgt->lk_seq   = le64_to_cpu(src->lk_seq);
         tgt->lk_keyid   = le32_to_cpu(src->lk_keyid);
         tgt->lk_padding = le32_to_cpu(src->lk_padding);
         memcpy(tgt->lk_key, src->lk_key, sizeof(src->lk_key));
@@ -93,23 +93,32 @@ static int write_capa_keys(const struct lu_env *env,
         int i, rc;
 
         mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
-
-        th = mdt_trans_start(env, mdt, MDT_TXN_CAPA_KEYS_WRITE_CREDITS);
+        th = mdt_trans_create(env, mdt);
         if (IS_ERR(th))
                 RETURN(PTR_ERR(th));
 
+        rc = dt_declare_record_write(env, mdt->mdt_ck_obj,
+                                     sizeof(*tmp) * 3, 0, th);
+        if (rc)
+                goto stop;
+
+        rc = mdt_trans_start(env, mdt, th);
+        if (rc)
+                goto stop;
+
         tmp = &mti->mti_capa_key;
 
         for (i = 0; i < 2; i++) {
                 lck_cpu_to_le(tmp, &keys[i]);
 
-                rc = mdt_record_write(env, mdt->mdt_ck_obj,
-                                      mdt_buf_const(env, tmp, sizeof(*tmp)),
-                                      &off, th);
+                rc = dt_record_write(env, mdt->mdt_ck_obj,
+                                     mdt_buf_const(env, tmp, sizeof(*tmp)),
+                                     &off, th);
                 if (rc)
                         break;
         }
 
+stop:
         mdt_trans_stop(env, mdt, th);
 
         CDEBUG(D_INFO, "write capability keys rc = %d:\n", rc);
@@ -129,8 +138,8 @@ static int read_capa_keys(const struct lu_env *env,
         tmp = &mti->mti_capa_key;
 
         for (i = 0; i < 2; i++) {
-                rc = mdt_record_read(env, mdt->mdt_ck_obj,
-                                     mdt_buf(env, tmp, sizeof(*tmp)), &off);
+                rc = dt_record_read(env, mdt->mdt_ck_obj,
+                                    mdt_buf(env, tmp, sizeof(*tmp)), &off);
                 if (rc)
                         return rc;
 
@@ -196,7 +205,7 @@ void mdt_ck_timer_callback(unsigned long castmeharder)
         struct ptlrpc_thread *thread = &mdt->mdt_ck_thread;
 
         ENTRY;
-        thread->t_flags |= SVC_EVENT;
+        thread_add_flags(thread, SVC_EVENT);
         cfs_waitq_signal(&thread->t_ctl_waitq);
         EXIT;
 }
@@ -216,18 +225,19 @@ static int mdt_ck_thread_main(void *args)
         int                     rc;
         ENTRY;
 
-        ptlrpc_daemonize("mdt_ck");
+        cfs_daemonize_ctxt("mdt_ck");
         cfs_block_allsigs();
 
-        thread->t_flags = SVC_RUNNING;
+        thread_set_flags(thread, SVC_RUNNING);
         cfs_waitq_signal(&thread->t_ctl_waitq);
 
-        rc = lu_env_init(&env, NULL, LCT_MD_THREAD);
+        rc = lu_env_init(&env, LCT_MD_THREAD|LCT_REMEMBER|LCT_NOREF);
         if (rc)
                 RETURN(rc);
 
         thread->t_env = &env;
         env.le_ctx.lc_thread = thread;
+        env.le_ctx.lc_cookie = 0x1;
 
         info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
         LASSERT(info != NULL);
@@ -236,12 +246,13 @@ static int mdt_ck_thread_main(void *args)
         mdsnum = mdt_md_site(mdt)->ms_node_id;
         while (1) {
                 l_wait_event(thread->t_ctl_waitq,
-                             thread->t_flags & (SVC_STOPPING | SVC_EVENT),
+                             thread_is_stopping(thread) ||
+                             thread_is_event(thread),
                              &lwi);
 
-                if (thread->t_flags & SVC_STOPPING)
+                if (thread_is_stopping(thread))
                         break;
-                thread->t_flags &= ~SVC_EVENT;
+                thread_clear_flags(thread, SVC_EVENT);
 
                 if (cfs_time_before(cfs_time_current(), mdt->mdt_ck_expiry))
                         break;
@@ -252,17 +263,17 @@ static int mdt_ck_thread_main(void *args)
                 next = mdt->mdt_child;
                 rc = next->md_ops->mdo_update_capa_key(&env, next, tmp);
                 if (!rc) {
-                        spin_lock(&capa_lock);
+                        cfs_spin_lock(&capa_lock);
                         *bkey = *rkey;
                         *rkey = *tmp;
-                        spin_unlock(&capa_lock);
+                        cfs_spin_unlock(&capa_lock);
 
                         rc = write_capa_keys(&env, mdt, mdt->mdt_capa_keys);
                         if (rc) {
-                                spin_lock(&capa_lock);
+                                cfs_spin_lock(&capa_lock);
                                 *rkey = *bkey;
                                 memset(bkey, 0, sizeof(*bkey));
-                                spin_unlock(&capa_lock);
+                                cfs_spin_unlock(&capa_lock);
                         } else {
                                 set_capa_key_expiry(mdt);
                                 DEBUG_CAPA_KEY(D_SEC, rkey, "new");
@@ -271,7 +282,7 @@ static int mdt_ck_thread_main(void *args)
                 if (rc) {
                         DEBUG_CAPA_KEY(D_ERROR, rkey, "update failed for");
                         /* next retry is in 300 sec */
-                        mdt->mdt_ck_expiry = jiffies + 300 * HZ;
+                        mdt->mdt_ck_expiry = jiffies + 300 * CFS_HZ;
                 }
 
                 cfs_timer_arm(&mdt->mdt_ck_timer, mdt->mdt_ck_expiry);
@@ -279,7 +290,7 @@ static int mdt_ck_thread_main(void *args)
         }
         lu_env_fini(&env);
 
-        thread->t_flags = SVC_STOPPED;
+        thread_set_flags(thread, SVC_STOPPED);
         cfs_waitq_signal(&thread->t_ctl_waitq);
         RETURN(0);
 }
@@ -290,14 +301,13 @@ int mdt_ck_thread_start(struct mdt_device *mdt)
         int rc;
 
         cfs_waitq_init(&thread->t_ctl_waitq);
-        rc = cfs_kernel_thread(mdt_ck_thread_main, mdt,
-                           (CLONE_VM | CLONE_FILES));
+        rc = cfs_create_thread(mdt_ck_thread_main, mdt, CFS_DAEMON_FLAGS);
         if (rc < 0) {
                 CERROR("cannot start mdt_ck thread, rc = %d\n", rc);
                 return rc;
         }
 
-        cfs_wait_event(thread->t_ctl_waitq, thread->t_flags & SVC_RUNNING);
+        l_wait_condition(thread->t_ctl_waitq, thread_is_running(thread));
         return 0;
 }
 
@@ -305,10 +315,10 @@ void mdt_ck_thread_stop(struct mdt_device *mdt)
 {
         struct ptlrpc_thread *thread = &mdt->mdt_ck_thread;
 
-        if (!(thread->t_flags & SVC_RUNNING))
+        if (!thread_is_running(thread))
                 return;
 
-        thread->t_flags = SVC_STOPPING;
+        thread_set_flags(thread, SVC_STOPPING);
         cfs_waitq_signal(&thread->t_ctl_waitq);
-        cfs_wait_event(thread->t_ctl_waitq, thread->t_flags & SVC_STOPPED);
+        l_wait_condition(thread->t_ctl_waitq, thread_is_stopped(thread));
 }