NFS: Clean up nfs_size_to_loff_t()

Use the same file size limit that lockd uses.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index e94971040de9..7deb5b0347f7 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -503,12 +503,10 @@ extern int  nfsroot_mount(struct sockaddr_in *, char *, struct nfs_fh *,
  * inline functions
  */
 
-static inline loff_t
-nfs_size_to_loff_t(__u64 size)
+static inline loff_t nfs_size_to_loff_t(__u64 size)
 {
-        loff_t maxsz = (((loff_t) ULONG_MAX) << PAGE_CACHE_SHIFT) + PAGE_CACHE_SIZE - 1;
-        if (size > maxsz)
-                return maxsz;
+        if (size > (__u64) OFFSET_MAX - 1)
+                return OFFSET_MAX - 1;
         return (loff_t) size;
 }