nfs: convert to new i_version API

For NFS, we just use the "raw" API since the i_version is mostly
managed by the server. The exception there is when the client
holds a write delegation, but we only need to bump it once
there anyway to handle CB_GETATTR.

Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jeff Layton <jlayton@redhat.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 5b5f464f6f2a..f87cbe126fa0 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -23,6 +23,7 @@
 #include <linux/export.h>
 #include <linux/freezer.h>
 #include <linux/wait.h>
+#include <linux/iversion.h>
 
 #include <linux/uaccess.h>
 
@@ -753,11 +754,8 @@ static void nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
          */
         spin_lock(&mapping->private_lock);
         if (!nfs_have_writebacks(inode) &&
-            NFS_PROTO(inode)->have_delegation(inode, FMODE_WRITE)) {
-                spin_lock(&inode->i_lock);
-                inode->i_version++;
-                spin_unlock(&inode->i_lock);
-        }
+            NFS_PROTO(inode)->have_delegation(inode, FMODE_WRITE))
+                inode_inc_iversion_raw(inode);
         if (likely(!PageSwapCache(req->wb_page))) {
                 set_bit(PG_MAPPED, &req->wb_flags);
                 SetPagePrivate(req->wb_page);