b=19486 add server identifier into lu_seq_range.

[fs/lustre-release.git] / lustre / fld / fld_request.c

diff --git a/lustre/fld/fld_request.c b/lustre/fld/fld_request.c
index dff5498..2ea527a 100644 (file)
--- a/lustre/fld/fld_request.c
+++ b/lustre/fld/fld_request.c
@@ -26,7 +26,7 @@
  * 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.
  */
 /*
@@ -74,9 +74,9 @@ static int fld_req_avail(struct client_obd *cli, struct mdc_cache_waiter *mcw)
 {
         int rc;
         ENTRY;
-        spin_lock(&cli->cl_loi_list_lock);
-        rc = list_empty(&mcw->mcw_entry);
-        spin_unlock(&cli->cl_loi_list_lock);
+        client_obd_list_lock(&cli->cl_loi_list_lock);
+        rc = cfs_list_empty(&mcw->mcw_entry);
+        client_obd_list_unlock(&cli->cl_loi_list_lock);
         RETURN(rc);
 };
 
@@ -85,38 +85,38 @@ static void fld_enter_request(struct client_obd *cli)
         struct mdc_cache_waiter mcw;
         struct l_wait_info lwi = { 0 };
 
-        spin_lock(&cli->cl_loi_list_lock);
+        client_obd_list_lock(&cli->cl_loi_list_lock);
         if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
-                list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters);
+                cfs_list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters);
                 cfs_waitq_init(&mcw.mcw_waitq);
-                spin_unlock(&cli->cl_loi_list_lock);
+                client_obd_list_unlock(&cli->cl_loi_list_lock);
                 l_wait_event(mcw.mcw_waitq, fld_req_avail(cli, &mcw), &lwi);
         } else {
                 cli->cl_r_in_flight++;
-                spin_unlock(&cli->cl_loi_list_lock);
+                client_obd_list_unlock(&cli->cl_loi_list_lock);
         }
 }
 
 static void fld_exit_request(struct client_obd *cli)
 {
-        struct list_head *l, *tmp;
+        cfs_list_t *l, *tmp;
         struct mdc_cache_waiter *mcw;
 
-        spin_lock(&cli->cl_loi_list_lock);
+        client_obd_list_lock(&cli->cl_loi_list_lock);
         cli->cl_r_in_flight--;
-        list_for_each_safe(l, tmp, &cli->cl_cache_waiters) {
+        cfs_list_for_each_safe(l, tmp, &cli->cl_cache_waiters) {
 
                 if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
                         /* No free request slots anymore */
                         break;
                 }
 
-                mcw = list_entry(l, struct mdc_cache_waiter, mcw_entry);
-                list_del_init(&mcw->mcw_entry);
+                mcw = cfs_list_entry(l, struct mdc_cache_waiter, mcw_entry);
+                cfs_list_del_init(&mcw->mcw_entry);
                 cli->cl_r_in_flight++;
                 cfs_waitq_signal(&mcw->mcw_waitq);
         }
-        spin_unlock(&cli->cl_loi_list_lock);
+        client_obd_list_unlock(&cli->cl_loi_list_lock);
 }
 
 static int fld_rrb_hash(struct lu_client_fld *fld,
@@ -135,7 +135,7 @@ fld_rrb_scan(struct lu_client_fld *fld, seqno_t seq)
 
         hash = fld_rrb_hash(fld, seq);
 
-        list_for_each_entry(target, &fld->lcf_targets, ft_chain) {
+        cfs_list_for_each_entry(target, &fld->lcf_targets, ft_chain) {
                 if (target->ft_idx == hash)
                         RETURN(target);
         }
@@ -144,7 +144,7 @@ fld_rrb_scan(struct lu_client_fld *fld, seqno_t seq)
                "Targets (%d):\n", fld->lcf_name, hash, seq,
                fld->lcf_count);
 
-        list_for_each_entry(target, &fld->lcf_targets, ft_chain) {
+        cfs_list_for_each_entry(target, &fld->lcf_targets, ft_chain) {
                 const char *srv_name = target->ft_srv != NULL  ?
                         target->ft_srv->lsf_name : "<null>";
                 const char *exp_name = target->ft_exp != NULL ?
@@ -184,9 +184,9 @@ fld_client_get_target(struct lu_client_fld *fld,
 
         LASSERT(fld->lcf_hash != NULL);
 
-        spin_lock(&fld->lcf_lock);
+        cfs_spin_lock(&fld->lcf_lock);
         target = fld->lcf_hash->fh_scan_func(fld, seq);
-        spin_unlock(&fld->lcf_lock);
+        cfs_spin_unlock(&fld->lcf_lock);
 
         if (target != NULL) {
                 CDEBUG(D_INFO, "%s: Found target (idx "LPU64
@@ -226,10 +226,10 @@ int fld_client_add_target(struct lu_client_fld *fld,
         if (target == NULL)
                 RETURN(-ENOMEM);
 
-        spin_lock(&fld->lcf_lock);
-        list_for_each_entry(tmp, &fld->lcf_targets, ft_chain) {
+        cfs_spin_lock(&fld->lcf_lock);
+        cfs_list_for_each_entry(tmp, &fld->lcf_targets, ft_chain) {
                 if (tmp->ft_idx == tar->ft_idx) {
-                        spin_unlock(&fld->lcf_lock);
+                        cfs_spin_unlock(&fld->lcf_lock);
                         OBD_FREE_PTR(target);
                         CERROR("Target %s exists in FLD and known as %s:#"LPU64"\n",
                                name, fld_target_name(tmp), tmp->ft_idx);
@@ -243,11 +243,11 @@ int fld_client_add_target(struct lu_client_fld *fld,
         target->ft_srv = tar->ft_srv;
         target->ft_idx = tar->ft_idx;
 
-        list_add_tail(&target->ft_chain,
-                      &fld->lcf_targets);
+        cfs_list_add_tail(&target->ft_chain,
+                          &fld->lcf_targets);
 
         fld->lcf_count++;
-        spin_unlock(&fld->lcf_lock);
+        cfs_spin_unlock(&fld->lcf_lock);
 
         RETURN(0);
 }
@@ -260,13 +260,13 @@ int fld_client_del_target(struct lu_client_fld *fld,
         struct lu_fld_target *target, *tmp;
         ENTRY;
 
-        spin_lock(&fld->lcf_lock);
-        list_for_each_entry_safe(target, tmp,
-                                 &fld->lcf_targets, ft_chain) {
+        cfs_spin_lock(&fld->lcf_lock);
+        cfs_list_for_each_entry_safe(target, tmp,
+                                     &fld->lcf_targets, ft_chain) {
                 if (target->ft_idx == idx) {
                         fld->lcf_count--;
-                        list_del(&target->ft_chain);
-                        spin_unlock(&fld->lcf_lock);
+                        cfs_list_del(&target->ft_chain);
+                        cfs_spin_unlock(&fld->lcf_lock);
 
                         if (target->ft_exp != NULL)
                                 class_export_put(target->ft_exp);
@@ -275,7 +275,7 @@ int fld_client_del_target(struct lu_client_fld *fld,
                         RETURN(0);
                 }
         }
-        spin_unlock(&fld->lcf_lock);
+        cfs_spin_unlock(&fld->lcf_lock);
         RETURN(-ENOENT);
 }
 EXPORT_SYMBOL(fld_client_del_target);
@@ -344,9 +344,7 @@ static inline int hash_is_sane(int hash)
 int fld_client_init(struct lu_client_fld *fld,
                     const char *prefix, int hash)
 {
-#ifdef __KERNEL__
         int cache_size, cache_threshold;
-#endif
         int rc;
         ENTRY;
 
@@ -362,12 +360,11 @@ int fld_client_init(struct lu_client_fld *fld,
         }
 
         fld->lcf_count = 0;
-        spin_lock_init(&fld->lcf_lock);
+        cfs_spin_lock_init(&fld->lcf_lock);
         fld->lcf_hash = &fld_hash[hash];
         fld->lcf_flags = LUSTRE_FLD_INIT;
         CFS_INIT_LIST_HEAD(&fld->lcf_targets);
 
-#ifdef __KERNEL__
         cache_size = FLD_CLIENT_CACHE_SIZE /
                 sizeof(struct fld_cache_entry);
 
@@ -381,7 +378,6 @@ int fld_client_init(struct lu_client_fld *fld,
                 fld->lcf_cache = NULL;
                 GOTO(out, rc);
         }
-#endif
 
         rc = fld_client_proc_init(fld);
         if (rc)
@@ -404,24 +400,22 @@ void fld_client_fini(struct lu_client_fld *fld)
 
         fld_client_proc_fini(fld);
 
-        spin_lock(&fld->lcf_lock);
-        list_for_each_entry_safe(target, tmp,
-                                 &fld->lcf_targets, ft_chain) {
+        cfs_spin_lock(&fld->lcf_lock);
+        cfs_list_for_each_entry_safe(target, tmp,
+                                     &fld->lcf_targets, ft_chain) {
                 fld->lcf_count--;
-                list_del(&target->ft_chain);
+                cfs_list_del(&target->ft_chain);
                 if (target->ft_exp != NULL)
                         class_export_put(target->ft_exp);
                 OBD_FREE_PTR(target);
         }
-        spin_unlock(&fld->lcf_lock);
+        cfs_spin_unlock(&fld->lcf_lock);
 
-#ifdef __KERNEL__
         if (fld->lcf_cache != NULL) {
                 if (!IS_ERR(fld->lcf_cache))
                         fld_cache_fini(fld->lcf_cache);
                 fld->lcf_cache = NULL;
         }
-#endif
 
         EXIT;
 }
@@ -473,9 +467,8 @@ out_req:
         return rc;
 }
 
-int fld_client_lookup(struct lu_client_fld *fld,
-                      seqno_t seq, mdsno_t *mds,
-                      const struct lu_env *env)
+int fld_client_lookup(struct lu_client_fld *fld, seqno_t seq, mdsno_t *mds,
+                      __u32 flags, const struct lu_env *env)
 {
         struct lu_seq_range res;
         struct lu_fld_target *target;
@@ -486,7 +479,7 @@ int fld_client_lookup(struct lu_client_fld *fld,
 
         rc = fld_cache_lookup(fld->lcf_cache, seq, &res);
         if (rc == 0) {
-                *mds = res.lsr_mdt;
+                *mds = res.lsr_index;
                 RETURN(0);
         }
 
@@ -499,6 +492,7 @@ int fld_client_lookup(struct lu_client_fld *fld,
                fld_target_name(target), target->ft_idx);
 
         res.lsr_start = seq;
+        res.lsr_flags = flags;
 #ifdef __KERNEL__
         if (target->ft_srv != NULL) {
                 LASSERT(env != NULL);
@@ -513,7 +507,7 @@ int fld_client_lookup(struct lu_client_fld *fld,
 #endif
 
         if (rc == 0) {
-                *mds = res.lsr_mdt;
+                *mds = res.lsr_index;
 
                 fld_cache_insert(fld->lcf_cache, &res);
         }
@@ -523,8 +517,6 @@ EXPORT_SYMBOL(fld_client_lookup);
 
 void fld_client_flush(struct lu_client_fld *fld)
 {
-#ifdef __KERNEL__
         fld_cache_flush(fld->lcf_cache);
-#endif
 }
 EXPORT_SYMBOL(fld_client_flush);