Merge tag 'nfs-for-3.19-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

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

  Features:
   - NFSv4.2 client support for hole punching and preallocation.
   - Further RPC/RDMA client improvements.
   - Add more RPC transport debugging tracepoints.
   - Add RPC debugging tools in debugfs.

  Bugfixes:
   - Stable fix for layoutget error handling
   - Fix a change in COMMIT behaviour resulting from the recent io code
     updates"

* tag 'nfs-for-3.19-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (28 commits)
  sunrpc: add a debugfs rpc_xprt directory with an info file in it
  sunrpc: add debugfs file for displaying client rpc_task queue
  nfs: Add DEALLOCATE support
  nfs: Add ALLOCATE support
  NFS: Clean up nfs4_init_callback()
  NFS: SETCLIENTID XDR buffer sizes are incorrect
  SUNRPC: serialize iostats updates
  xprtrdma: Display async errors
  xprtrdma: Enable pad optimization
  xprtrdma: Re-write rpcrdma_flush_cqs()
  xprtrdma: Refactor tasklet scheduling
  xprtrdma: unmap all FMRs during transport disconnect
  xprtrdma: Cap req_cqinit
  xprtrdma: Return an errno from rpcrdma_register_external()
  nfs: define nfs_inc_fscache_stats and using it as possible
  nfs: replace nfs_add_stats with nfs_inc_stats when add one
  NFS: Deletion of unnecessary checks before the function call "nfs_put_client"
  sunrpc: eliminate RPC_TRACEPOINTS
  sunrpc: eliminate RPC_DEBUG
  lockd: eliminate LOCKD_DEBUG
  ...

1 files changed, 6 insertions, 6 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 69dc20a743f9..e7f8d5ff2581 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -158,8 +158,6 @@ static int nfs4_map_errors(int err)
                 return -EACCES;
         case -NFS4ERR_MINOR_VERS_MISMATCH:
                 return -EPROTONOSUPPORT;
-        case -NFS4ERR_ACCESS:
-                return -EACCES;
         case -NFS4ERR_FILE_OPEN:
                 return -EBUSY;
         default:
@@ -344,7 +342,7 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
 /* This is the error handling routine for processes that are allowed
  * to sleep.
  */
-static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
+int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
 {
         struct nfs_client *clp = server->nfs_client;
         struct nfs4_state *state = exception->state;
@@ -7704,6 +7702,9 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags)
 
         dprintk("--> %s\n", __func__);
 
+        /* nfs4_layoutget_release calls pnfs_put_layout_hdr */
+        pnfs_get_layout_hdr(NFS_I(inode)->layout);
+
         lgp->args.layout.pages = nfs4_alloc_pages(max_pages, gfp_flags);
         if (!lgp->args.layout.pages) {
                 nfs4_layoutget_release(lgp);
@@ -7716,9 +7717,6 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags)
         lgp->res.seq_res.sr_slot = NULL;
         nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0);
 
-        /* nfs4_layoutget_release calls pnfs_put_layout_hdr */
-        pnfs_get_layout_hdr(NFS_I(inode)->layout);
-
         task = rpc_run_task(&task_setup_data);
         if (IS_ERR(task))
                 return ERR_CAST(task);
@@ -8426,6 +8424,8 @@ static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = {
                 | NFS_CAP_POSIX_LOCK
                 | NFS_CAP_STATEID_NFSV41
                 | NFS_CAP_ATOMIC_OPEN_V1
+                | NFS_CAP_ALLOCATE
+                | NFS_CAP_DEALLOCATE
                 | NFS_CAP_SEEK,
         .init_client = nfs41_init_client,
         .shutdown_client = nfs41_shutdown_client,