These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / staging / lustre / lustre / obdclass / cl_object.c

diff --git a/kernel/drivers/staging/lustre/lustre/obdclass/cl_object.c b/kernel/drivers/staging/lustre/lustre/obdclass/cl_object.c
index f13d1fb..a1a6024 100644 (file)
--- a/kernel/drivers/staging/lustre/lustre/obdclass/cl_object.c
+++ b/kernel/drivers/staging/lustre/lustre/obdclass/cl_object.c
@@ -97,16 +97,6 @@ int cl_object_header_init(struct cl_object_header *h)
 }
 EXPORT_SYMBOL(cl_object_header_init);
 
-/**
- * Finalize cl_object_header.
- */
-void cl_object_header_fini(struct cl_object_header *h)
-{
-       LASSERT(list_empty(&h->coh_locks));
-       lu_object_header_fini(&h->coh_lu);
-}
-EXPORT_SYMBOL(cl_object_header_fini);
-
 /**
  * Returns a cl_object with a given \a fid.
  *
@@ -363,22 +353,6 @@ void cl_object_prune(const struct lu_env *env, struct cl_object *obj)
 }
 EXPORT_SYMBOL(cl_object_prune);
 
-/**
- * Check if the object has locks.
- */
-int cl_object_has_locks(struct cl_object *obj)
-{
-       struct cl_object_header *head = cl_object_header(obj);
-       int has;
-
-       spin_lock(&head->coh_lock_guard);
-       has = list_empty(&head->coh_locks);
-       spin_unlock(&head->coh_lock_guard);
-
-       return (has == 0);
-}
-EXPORT_SYMBOL(cl_object_has_locks);
-
 void cache_stats_init(struct cache_stats *cs, const char *name)
 {
        int i;
@@ -573,7 +547,6 @@ static void cl_env_init0(struct cl_env *cle, void *debug)
        CL_ENV_INC(busy);
 }
 
-
 /*
  * The implementation of using hash table to connect cl_env and thread
  */
@@ -593,6 +566,7 @@ static unsigned cl_env_hops_hash(struct cfs_hash *lh,
 static void *cl_env_hops_obj(struct hlist_node *hn)
 {
        struct cl_env *cle = hlist_entry(hn, struct cl_env, ce_node);
+
        LASSERT(cle->ce_magic == &cl_env_init0);
        return (void *)cle;
 }
@@ -608,15 +582,16 @@ static int cl_env_hops_keycmp(const void *key, struct hlist_node *hn)
 static void cl_env_hops_noop(struct cfs_hash *hs, struct hlist_node *hn)
 {
        struct cl_env *cle = hlist_entry(hn, struct cl_env, ce_node);
+
        LASSERT(cle->ce_magic == &cl_env_init0);
 }
 
-static cfs_hash_ops_t cl_env_hops = {
+static struct cfs_hash_ops cl_env_hops = {
        .hs_hash        = cl_env_hops_hash,
-       .hs_key  = cl_env_hops_obj,
+       .hs_key         = cl_env_hops_obj,
        .hs_keycmp      = cl_env_hops_keycmp,
        .hs_object      = cl_env_hops_obj,
-       .hs_get  = cl_env_hops_noop,
+       .hs_get         = cl_env_hops_noop,
        .hs_put_locked  = cl_env_hops_noop,
 };
 
@@ -653,7 +628,8 @@ static inline void cl_env_do_detach(struct cl_env *cle)
        cle->ce_owner = NULL;
 }
 
-static int cl_env_store_init(void) {
+static int cl_env_store_init(void)
+{
        cl_env_hash = cfs_hash_create("cl_env",
                                      HASH_CL_ENV_BITS, HASH_CL_ENV_BITS,
                                      HASH_CL_ENV_BKT_BITS, 0,
@@ -661,7 +637,7 @@ static int cl_env_store_init(void) {
                                      CFS_HASH_MAX_THETA,
                                      &cl_env_hops,
                                      CFS_HASH_RW_BKTLOCK);
-       return cl_env_hash != NULL ? 0 :-ENOMEM;
+       return cl_env_hash != NULL ? 0 : -ENOMEM;
 }
 
 static void cl_env_store_fini(void)
@@ -669,7 +645,6 @@ static void cl_env_store_fini(void)
        cfs_hash_putref(cl_env_hash);
 }
 
-
 static inline struct cl_env *cl_env_detach(struct cl_env *cle)
 {
        if (cle == NULL)
@@ -686,17 +661,17 @@ static struct lu_env *cl_env_new(__u32 ctx_tags, __u32 ses_tags, void *debug)
        struct lu_env *env;
        struct cl_env *cle;
 
-       OBD_SLAB_ALLOC_PTR_GFP(cle, cl_env_kmem, GFP_NOFS);
+       cle = kmem_cache_alloc(cl_env_kmem, GFP_NOFS | __GFP_ZERO);
        if (cle != NULL) {
                int rc;
 
                INIT_LIST_HEAD(&cle->ce_linkage);
                cle->ce_magic = &cl_env_init0;
                env = &cle->ce_lu;
-               rc = lu_env_init(env, LCT_CL_THREAD|ctx_tags);
+               rc = lu_env_init(env, ctx_tags | LCT_CL_THREAD);
                if (rc == 0) {
                        rc = lu_context_init(&cle->ce_ses,
-                                            LCT_SESSION | ses_tags);
+                                            ses_tags | LCT_SESSION);
                        if (rc == 0) {
                                lu_context_enter(&cle->ce_ses);
                                env->le_ses = &cle->ce_ses;
@@ -705,7 +680,7 @@ static struct lu_env *cl_env_new(__u32 ctx_tags, __u32 ses_tags, void *debug)
                                lu_env_fini(env);
                }
                if (rc != 0) {
-                       OBD_SLAB_FREE_PTR(cle, cl_env_kmem);
+                       kmem_cache_free(cl_env_kmem, cle);
                        env = ERR_PTR(rc);
                } else {
                        CL_ENV_INC(create);
@@ -721,7 +696,7 @@ static void cl_env_fini(struct cl_env *cle)
        CL_ENV_DEC(total);
        lu_context_fini(&cle->ce_lu.le_ctx);
        lu_context_fini(&cle->ce_ses);
-       OBD_SLAB_FREE_PTR(cle, cl_env_kmem);
+       kmem_cache_free(cl_env_kmem, cle);
 }
 
 static inline struct cl_env *cl_env_container(struct lu_env *env)
@@ -906,10 +881,8 @@ struct lu_env *cl_env_nested_get(struct cl_env_nest *nest)
        if (env != NULL) {
                if (!cl_io_is_going(env))
                        return env;
-               else {
-                       cl_env_put(env, &nest->cen_refcheck);
-                       nest->cen_cookie = cl_env_reenter();
-               }
+               cl_env_put(env, &nest->cen_refcheck);
+               nest->cen_cookie = cl_env_reenter();
        }
        env = cl_env_get(&nest->cen_refcheck);
        if (IS_ERR(env)) {
@@ -929,21 +902,6 @@ void cl_env_nested_put(struct cl_env_nest *nest, struct lu_env *env)
 }
 EXPORT_SYMBOL(cl_env_nested_put);
 
-/**
- * Converts struct cl_attr to struct ost_lvb.
- *
- * \see cl_lvb2attr
- */
-void cl_attr2lvb(struct ost_lvb *lvb, const struct cl_attr *attr)
-{
-       lvb->lvb_size   = attr->cat_size;
-       lvb->lvb_mtime  = attr->cat_mtime;
-       lvb->lvb_atime  = attr->cat_atime;
-       lvb->lvb_ctime  = attr->cat_ctime;
-       lvb->lvb_blocks = attr->cat_blocks;
-}
-EXPORT_SYMBOL(cl_attr2lvb);
-
 /**
  * Converts struct ost_lvb to struct cl_attr.
  *
@@ -1076,7 +1034,7 @@ static struct lu_kmem_descr cl_object_caches[] = {
        {
                .ckd_cache = &cl_env_kmem,
                .ckd_name  = "cl_env_kmem",
-               .ckd_size  = sizeof (struct cl_env)
+               .ckd_size  = sizeof(struct cl_env)
        },
        {
                .ckd_cache = NULL