NFSv4: Open state recovery must account for file permission changes

If the file permissions change on the server, then we may not be able to
recover open state. If so, we need to ensure that we mark the file
descriptor appropriately.

Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 4b538bb194f8896731cc8b13a335d5813bebc56a..0a25f70a3b0bb3591476c29f7530763df9e3098e 100644 (file)
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1532,6 +1532,9 @@ restart:
                                        __func__, status);
                        case -ENOENT:
                        case -ENOMEM:
+                       case -EACCES:
+                       case -EROFS:
+                       case -EIO:
                        case -ESTALE:
                                /* Open state on this file cannot be recovered */
                                nfs4_state_mark_recovery_failed(state, status);