Create a kmem cache to hold WR contexts. Next we will convert
the WR context get and put services to use this kmem cache.
Signed-off-by: Tom Tucker <tom@xxxxxxxxxxxxxxxxxxxxx>
---
net/sunrpc/xprtrdma/svc_rdma.c | 23 +++++++++++++++++++----
1 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 527acfd..8710117 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -69,8 +69,9 @@ atomic_t rdma_stat_rq_prod;
atomic_t rdma_stat_sq_poll;
atomic_t rdma_stat_sq_prod;
-/* Temporary NFS request map cache */
+/* 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
@@ -246,6 +247,7 @@ void svc_rdma_cleanup(void)
}
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)
@@ -268,14 +270,27 @@ int svc_rdma_init(void)
NULL);
if (!svc_rdma_map_cachep) {
printk(KERN_INFO "Could not allocate map cache.\n");
- goto err;
+ 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;
-
- err:
+ err1:
+ kmem_cache_destroy(svc_rdma_map_cachep);
+ err0:
unregister_sysctl_table(svcrdma_table_header);
return -ENOMEM;
}
--
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