LU-554 add gnilnd awareness to LNet

[fs/lustre-release.git] / lustre / lov / lov_cl_internal.h

diff --git a/lustre/lov/lov_cl_internal.h b/lustre/lov/lov_cl_internal.h
index 98c1270..a892bc1 100644 (file)
--- a/lustre/lov/lov_cl_internal.h
+++ b/lustre/lov/lov_cl_internal.h
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -55,8 +55,6 @@
 #include <cl_object.h>
 #include "lov_internal.h"
 
-/** \addtogroup lov lov @{ */
-
 /** \defgroup lov lov
  * Logical object volume layer. This layer implements data striping (raid0).
  *
@@ -160,7 +158,7 @@ struct lov_device {
          * Serializes access to lov_device::ld_emrg in low-memory
          * conditions.
          */
-        struct mutex              ld_mutex;
+        cfs_mutex_t               ld_mutex;
 };
 
 /**
@@ -171,8 +169,6 @@ enum lov_layout_type {
         LLT_EMPTY,
         /** striped file */
         LLT_RAID0,
-        /** join file */
-        LLT_JOIN,
         LLT_NR
 };
 
@@ -200,7 +196,7 @@ struct lov_object {
          *
          * \see lov_object::lo_type
          */
-        struct rw_semaphore    lo_type_guard;
+        cfs_rw_semaphore_t     lo_type_guard;
         /**
          * Type of an object. Protected by lov_object::lo_type_guard.
          */
@@ -227,6 +223,10 @@ struct lov_object {
                          */
                         struct lovsub_object **lo_sub;
                         /**
+                         * protect lo_sub
+                         */
+                        cfs_spinlock_t         lo_sub_lock;
+                        /**
                          * When this is true, lov_object::lo_attr contains
                          * valid up to date attributes for a top-level
                          * object. This field is reset to 0 when attributes of
@@ -241,8 +241,6 @@ struct lov_object {
                 } raid0;
                 struct lov_layout_state_empty {
                 } empty;
-                struct lov_layout_state_join {
-                } join;
         } u;
         /**
          * Thread that acquired lov_object::lo_type_guard in an exclusive
@@ -285,9 +283,9 @@ struct lov_lock {
         unsigned               lls_nr_filled;
         /**
          * Set when sub-lock was canceled, while top-lock was being
-         * unlocked.
+         * used, or unused.
          */
-        int                    lls_unuse_race;
+        int                    lls_cancel_race:1;
         /**
          * An array of sub-locks
          *
@@ -372,7 +370,7 @@ struct lov_lock_link {
          * A linkage into per sub-lock list of all corresponding top-locks,
          * hanging off lovsub_lock::lss_parents.
          */
-        struct list_head lll_list;
+        cfs_list_t       lll_list;
 };
 
 /**
@@ -384,7 +382,7 @@ struct lovsub_lock {
          * List of top-locks that have given sub-lock as their part. Protected
          * by cl_lock::cll_guard mutex.
          */
-        struct list_head      lss_parents;
+        cfs_list_t            lss_parents;
         /**
          * Top-lock that initiated current operation on this sub-lock. This is
          * only set during top-to-bottom lock operations like enqueue, and is
@@ -436,7 +434,7 @@ struct lov_io_sub {
          * Linkage into a list (hanging off lov_io::lis_active) of all
          * sub-io's active for the current IO iteration.
          */
-        struct list_head     sub_linkage;
+        cfs_list_t           sub_linkage;
         /**
          * true, iff cl_io_init() was successfully executed against
          * lov_io_sub::sub_io.
@@ -512,7 +510,7 @@ struct lov_io {
         /**
          * List of active sub-io's.
          */
-        struct list_head   lis_active;
+        cfs_list_t         lis_active;
 };
 
 struct lov_session {
@@ -800,7 +798,8 @@ static inline struct lov_layout_raid0 *lov_r0(struct lov_object *lov)
 
         LASSERT(lov->lo_type == LLT_RAID0);
         raid0 = &lov->u.raid0;
-        LASSERT(raid0->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC);
+        LASSERT(raid0->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC ||
+                raid0->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC_V3);
         return raid0;
 }