Merge tag 'nfs-for-3.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
 "Highlights include:

   - Fix a couple of mount regressions due to the recent cleanups.
   - Fix an Oops in the open recovery code
   - Fix an rpc_pipefs upcall hang that results from some of the net
     namespace work from 3.4.x (stable kernel candidate).
   - Fix a couple of write and o_direct regressions that were found at
     last weeks Bakeathon testing event in Ann Arbor."

* tag 'nfs-for-3.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: add an endian notation for sparse
  NFSv4.1: integer overflow in decode_cb_sequence_args()
  rpc_pipefs: allow rpc_purge_list to take a NULL waitq pointer
  NFSv4 do not send an empty SETATTR compound
  NFSv2: EOF incorrectly set on short read
  NFS: Use the NFS_DEFAULT_VERSION for v2 and v3 mounts
  NFS: fix directio refcount bug on commit
  NFSv4: Fix unnecessary delegation returns in nfs4_do_open
  NFSv4.1: Convert another trivial printk into a dprintk
  NFS4: Fix open bug when pnfs module blacklisted
  NFS: Remove incorrect BUG_ON in nfs_found_client
  NFS: Map minor mismatch error to protocol not support error.
  NFS: Fix a commit bug
  NFS4: Set parsed mount data version to 4
  NFSv4.1: Ensure we clear session state flags after a session creation
  NFSv4.1: Convert a trivial printk into a dprintk
  NFSv4: Fix up decode_attr_mdsthreshold
  NFSv4: Fix an Oops in the open recovery code
  NFSv4.1: Fix a request leak on the back channel

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index ad2775d..3168f6e 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -523,9 +523,9 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data)
 		nfs_list_remove_request(req);
 		if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) {
 			/* Note the rewrite will go through mds */
-			kref_get(&req->wb_kref);
 			nfs_mark_request_commit(req, NULL, &cinfo);
-		}
+		} else
+			nfs_release_request(req);
 		nfs_unlock_and_release_request(req);
 	}
 
@@ -716,12 +716,12 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 			if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES)
 				bit = NFS_IOHDR_NEED_RESCHED;
 			else if (dreq->flags == 0) {
-				memcpy(&dreq->verf, &req->wb_verf,
+				memcpy(&dreq->verf, hdr->verf,
 				       sizeof(dreq->verf));
 				bit = NFS_IOHDR_NEED_COMMIT;
 				dreq->flags = NFS_ODIRECT_DO_COMMIT;
 			} else if (dreq->flags == NFS_ODIRECT_DO_COMMIT) {
-				if (memcmp(&dreq->verf, &req->wb_verf, sizeof(dreq->verf))) {
+				if (memcmp(&dreq->verf, hdr->verf, sizeof(dreq->verf))) {
 					dreq->flags = NFS_ODIRECT_RESCHED_WRITES;
 					bit = NFS_IOHDR_NEED_RESCHED;
 				} else