diff options
| author | Tom Tucker <tom@opengridcomputing.com> | 2008-05-28 14:05:54 -0500 |
|---|---|---|
| committer | Tom Tucker <tom@opengridcomputing.com> | 2008-07-02 15:02:01 -0500 |
| commit | bf5927d84e70d522f234ca247b27d27c63878b93 (patch) | |
| tree | 5fde73a6d64da9ee3682185ae5c09c3cfbe817d1 | |
| parent | 902a94e0889be1f9fcefc0e1b602b06136e01812 (diff) | |
svcrdma: Create a kmem cache for the WR contexts
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@opengridcomputing.com>
| -rw-r--r-- | 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 527acfd3828..87101177825 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; } |