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Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 88c0ca20bb1..87101177825 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -69,6 +69,10 @@ atomic_t rdma_stat_rq_prod;
atomic_t rdma_stat_sq_poll;
atomic_t rdma_stat_sq_prod;
+/* Temporary NFS request map and context caches */
+struct kmem_cache *svc_rdma_map_cachep;
+struct kmem_cache *svc_rdma_ctxt_cachep;
+
/*
* This function implements reading and resetting an atomic_t stat
* variable through read/write to a proc file. Any write to the file
@@ -236,11 +240,14 @@ static ctl_table svcrdma_root_table[] = {
void svc_rdma_cleanup(void)
{
dprintk("SVCRDMA Module Removed, deregister RPC RDMA transport\n");
+ flush_scheduled_work();
if (svcrdma_table_header) {
unregister_sysctl_table(svcrdma_table_header);
svcrdma_table_header = NULL;
}
svc_unreg_xprt_class(&svc_rdma_class);
+ kmem_cache_destroy(svc_rdma_map_cachep);
+ kmem_cache_destroy(svc_rdma_ctxt_cachep);
}
int svc_rdma_init(void)
@@ -255,9 +262,37 @@ int svc_rdma_init(void)
svcrdma_table_header =
register_sysctl_table(svcrdma_root_table);
+ /* Create the temporary map cache */
+ svc_rdma_map_cachep = kmem_cache_create("svc_rdma_map_cache",
+ sizeof(struct svc_rdma_req_map),
+ 0,
+ SLAB_HWCACHE_ALIGN,
+ NULL);
+ if (!svc_rdma_map_cachep) {
+ printk(KERN_INFO "Could not allocate map cache.\n");
+ goto err0;
+ }
+
+ /* Create the temporary context cache */
+ svc_rdma_ctxt_cachep =
+ kmem_cache_create("svc_rdma_ctxt_cache",
+ sizeof(struct svc_rdma_op_ctxt),
+ 0,
+ SLAB_HWCACHE_ALIGN,
+ NULL);
+ if (!svc_rdma_ctxt_cachep) {
+ printk(KERN_INFO "Could not allocate WR ctxt cache.\n");
+ goto err1;
+ }
+
/* Register RDMA with the SVC transport switch */
svc_reg_xprt_class(&svc_rdma_class);
return 0;
+ err1:
+ kmem_cache_destroy(svc_rdma_map_cachep);
+ err0:
+ unregister_sysctl_table(svcrdma_table_header);
+ return -ENOMEM;
}
MODULE_AUTHOR("Tom Tucker <tom@opengridcomputing.com>");
MODULE_DESCRIPTION("SVC RDMA Transport");