NFS: Use kmem_cache_zalloc() in nfs_direct_req_alloc

Simplify the initialisation of O_DIRECT requests.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Fred Isaman <iisaman@netapp.com>

1 files changed, 1 insertions, 11 deletions

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 78d1ead8bc30..f17e4695c842 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -149,26 +149,16 @@ static inline struct nfs_direct_req *nfs_direct_req_alloc(void)
 {
         struct nfs_direct_req *dreq;
 
-        dreq = kmem_cache_alloc(nfs_direct_cachep, GFP_KERNEL);
+        dreq = kmem_cache_zalloc(nfs_direct_cachep, GFP_KERNEL);
         if (!dreq)
                 return NULL;
 
         kref_init(&dreq->kref);
         kref_get(&dreq->kref);
         init_completion(&dreq->completion);
-        dreq->mds_cinfo.ncommit = 0;
-        atomic_set(&dreq->mds_cinfo.rpcs_out, 0);
         INIT_LIST_HEAD(&dreq->mds_cinfo.list);
         INIT_WORK(&dreq->work, nfs_direct_write_schedule_work);
-        memset(&dreq->ds_cinfo, 0, sizeof(dreq->ds_cinfo));
-        dreq->iocb = NULL;
-        dreq->ctx = NULL;
-        dreq->l_ctx = NULL;
         spin_lock_init(&dreq->lock);
-        atomic_set(&dreq->io_count, 0);
-        dreq->count = 0;
-        dreq->error = 0;
-        dreq->flags = 0;
 
         return dreq;
 }