NFSv4: Fix another reboot recovery race

If the open_context for the file is not yet fully initialised,
then open recovery cannot succeed, and since nfs4_state_find_open_context
returns an ENOENT, we end up treating the file as being irrecoverable.

What we really want to do, is just defer the recovery until later.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 685b1e953ed8..b924bdd69494 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1476,6 +1476,8 @@ restart:
                                  */
                                 nfs4_state_mark_recovery_failed(state, status);
                                 break;
+                        case -EAGAIN:
+                                ssleep(1);
                         case -NFS4ERR_ADMIN_REVOKED:
                         case -NFS4ERR_STALE_STATEID:
                         case -NFS4ERR_BAD_STATEID: