NFS: Remove the NFSv4 "open optimisation" from nfs_permission
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 20 Aug 2013 16:29:27 +0000 (12:29 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 20 Aug 2013 16:29:27 +0000 (12:29 -0400)
Ever since commit 6168f62cb (Add ACCESS operation to OPEN compound)
the NFSv4 atomic open has primed the access cache, and so nfs_permission
will no longer do an RPC call on the wire.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/dir.c

index 39e69d47cd0b042e38510af9e5991a286529071e..5d737bd52288eb9b96e5c89ae50b9c8c819cabad 100644 (file)
@@ -2245,11 +2245,6 @@ int nfs_permission(struct inode *inode, int mask)
                case S_IFLNK:
                        goto out;
                case S_IFREG:
-                       /* NFSv4 has atomic_open... */
-                       if (nfs_server_capable(inode, NFS_CAP_ATOMIC_OPEN)
-                                       && (mask & MAY_OPEN)
-                                       && !(mask & MAY_EXEC))
-                               goto out;
                        break;
                case S_IFDIR:
                        /*