LU-4357 libcfs: restore __GFP_WAIT flag to memalloc calls

[fs/lustre-release.git] / lustre / lov / lov_dev.c

diff --git a/lustre/lov/lov_dev.c b/lustre/lov/lov_dev.c
index 01cdd3c..a750609 100644 (file)
--- a/lustre/lov/lov_dev.c
+++ b/lustre/lov/lov_dev.c
@@ -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.
@@ -26,8 +24,10 @@
  * 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.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -45,30 +45,23 @@
 
 #include "lov_cl_internal.h"
 
-cfs_mem_cache_t *lov_page_kmem;
-cfs_mem_cache_t *lov_lock_kmem;
-cfs_mem_cache_t *lov_object_kmem;
-cfs_mem_cache_t *lov_thread_kmem;
-cfs_mem_cache_t *lov_session_kmem;
-cfs_mem_cache_t *lov_req_kmem;
+struct kmem_cache *lov_lock_kmem;
+struct kmem_cache *lov_object_kmem;
+struct kmem_cache *lov_thread_kmem;
+struct kmem_cache *lov_session_kmem;
+struct kmem_cache *lov_req_kmem;
 
-cfs_mem_cache_t *lovsub_page_kmem;
-cfs_mem_cache_t *lovsub_lock_kmem;
-cfs_mem_cache_t *lovsub_object_kmem;
-cfs_mem_cache_t *lovsub_req_kmem;
+struct kmem_cache *lovsub_lock_kmem;
+struct kmem_cache *lovsub_object_kmem;
+struct kmem_cache *lovsub_req_kmem;
 
-cfs_mem_cache_t *lov_lock_link_kmem;
+struct kmem_cache *lov_lock_link_kmem;
 
 /** Lock class of lov_device::ld_mutex. */
 struct lock_class_key cl_lov_device_mutex_class;
 
 struct lu_kmem_descr lov_caches[] = {
         {
-                .ckd_cache = &lov_page_kmem,
-                .ckd_name  = "lov_page_kmem",
-                .ckd_size  = sizeof (struct lov_page)
-        },
-        {
                 .ckd_cache = &lov_lock_kmem,
                 .ckd_name  = "lov_lock_kmem",
                 .ckd_size  = sizeof (struct lov_lock)
@@ -94,11 +87,6 @@ struct lu_kmem_descr lov_caches[] = {
                 .ckd_size  = sizeof (struct lov_req)
         },
         {
-                .ckd_cache = &lovsub_page_kmem,
-                .ckd_name  = "lovsub_page_kmem",
-                .ckd_size  = sizeof (struct lovsub_page)
-        },
-        {
                 .ckd_cache = &lovsub_lock_kmem,
                 .ckd_name  = "lovsub_lock_kmem",
                 .ckd_size  = sizeof (struct lovsub_lock)
@@ -151,23 +139,23 @@ static const struct cl_req_operations lov_req_ops = {
  */
 
 static void *lov_key_init(const struct lu_context *ctx,
-                          struct lu_context_key *key)
+                         struct lu_context_key *key)
 {
-        struct lov_thread_info *info;
-
-        OBD_SLAB_ALLOC_PTR_GFP(info, lov_thread_kmem, CFS_ALLOC_IO);
-        if (info != NULL)
-                CFS_INIT_LIST_HEAD(&info->lti_closure.clc_list);
-        else
-                info = ERR_PTR(-ENOMEM);
-        return info;
+       struct lov_thread_info *info;
+
+       OBD_SLAB_ALLOC_PTR_GFP(info, lov_thread_kmem, GFP_NOFS);
+       if (info != NULL)
+               CFS_INIT_LIST_HEAD(&info->lti_closure.clc_list);
+       else
+               info = ERR_PTR(-ENOMEM);
+       return info;
 }
 
 static void lov_key_fini(const struct lu_context *ctx,
                          struct lu_context_key *key, void *data)
 {
         struct lov_thread_info *info = data;
-        LINVRNT(list_empty(&info->lti_closure.clc_list));
+        LINVRNT(cfs_list_empty(&info->lti_closure.clc_list));
         OBD_SLAB_FREE_PTR(info, lov_thread_kmem);
 }
 
@@ -178,14 +166,14 @@ struct lu_context_key lov_key = {
 };
 
 static void *lov_session_key_init(const struct lu_context *ctx,
-                                  struct lu_context_key *key)
+                                 struct lu_context_key *key)
 {
-        struct lov_session *info;
+       struct lov_session *info;
 
-        OBD_SLAB_ALLOC_PTR_GFP(info, lov_session_kmem, CFS_ALLOC_IO);
-        if (info == NULL)
-                info = ERR_PTR(-ENOMEM);
-        return info;
+       OBD_SLAB_ALLOC_PTR_GFP(info, lov_session_kmem, GFP_NOFS);
+       if (info == NULL)
+               info = ERR_PTR(-ENOMEM);
+       return info;
 }
 
 static void lov_session_key_fini(const struct lu_context *ctx,
@@ -267,19 +255,19 @@ static int lov_device_init(const struct lu_env *env, struct lu_device *d,
 }
 
 static int lov_req_init(const struct lu_env *env, struct cl_device *dev,
-                        struct cl_req *req)
+                       struct cl_req *req)
 {
-        struct lov_req *lr;
-        int result;
-
-        ENTRY;
-        OBD_SLAB_ALLOC_PTR_GFP(lr, lov_req_kmem, CFS_ALLOC_IO);
-        if (lr != NULL) {
-                cl_req_slice_add(req, &lr->lr_cl, dev, &lov_req_ops);
-                result = 0;
-        } else
-                result = -ENOMEM;
-        RETURN(result);
+       struct lov_req *lr;
+       int result;
+
+       ENTRY;
+       OBD_SLAB_ALLOC_PTR_GFP(lr, lov_req_kmem, GFP_NOFS);
+       if (lr != NULL) {
+               cl_req_slice_add(req, &lr->lr_cl, dev, &lov_req_ops);
+               result = 0;
+       } else
+               result = -ENOMEM;
+       RETURN(result);
 }
 
 static const struct cl_device_operations lov_cl_ops = {
@@ -387,7 +375,7 @@ static int lov_expand_targets(const struct lu_env *env, struct lov_device *dev)
 
                 OBD_ALLOC(newd, tgt_size * sz);
                 if (newd != NULL) {
-                        mutex_lock(&dev->ld_mutex);
+                       mutex_lock(&dev->ld_mutex);
                         if (sub_size > 0) {
                                 memcpy(newd, dev->ld_target, sub_size * sz);
                                 OBD_FREE(dev->ld_target, sub_size * sz);
@@ -398,7 +386,7 @@ static int lov_expand_targets(const struct lu_env *env, struct lov_device *dev)
                         if (dev->ld_emrg != NULL)
                                 lov_emerg_free(dev->ld_emrg, sub_size);
                         dev->ld_emrg = emerg;
-                        mutex_unlock(&dev->ld_mutex);
+                       mutex_unlock(&dev->ld_mutex);
                 } else {
                         lov_emerg_free(emerg, tgt_size);
                         result = -ENOMEM;
@@ -504,8 +492,8 @@ static struct lu_device *lov_device_alloc(const struct lu_env *env,
         d->ld_ops        = &lov_lu_ops;
         ld->ld_cl.cd_ops = &lov_cl_ops;
 
-        mutex_init(&ld->ld_mutex);
-        lockdep_set_class(&ld->ld_mutex, &cl_lov_device_mutex_class);
+       mutex_init(&ld->ld_mutex);
+       lockdep_set_class(&ld->ld_mutex, &cl_lov_device_mutex_class);
 
         /* setup the LOV OBD */
         obd = class_name2obd(lustre_cfg_string(cfg, 0));