Merge branch 'devel-for-2.6.31' into for-2.6.31

Conflicts:
	fs/nfs/client.c
	fs/nfs/super.c

1 files changed, 51 insertions, 10 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 57dabb8a048..7a750f061c2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1173,16 +1173,30 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
                 err = _nfs4_open_delegation_recall(ctx, state, stateid);
                 switch (err) {
                         case 0:
-                                return err;
+                        case -ENOENT:
+                        case -ESTALE:
+                                goto out;
                         case -NFS4ERR_STALE_CLIENTID:
                         case -NFS4ERR_STALE_STATEID:
                         case -NFS4ERR_EXPIRED:
                                 /* Don't recall a delegation if it was lost */
                                 nfs4_schedule_state_recovery(server->nfs_client);
-                                return err;
+                                goto out;
+                        case -ERESTARTSYS:
+                                /*
+                                 * The show must go on: exit, but mark the
+                                 * stateid as needing recovery.
+                                 */
+                        case -NFS4ERR_ADMIN_REVOKED:
+                        case -NFS4ERR_BAD_STATEID:
+                                nfs4_state_mark_reclaim_nograce(server->nfs_client, state);
+                        case -ENOMEM:
+                                err = 0;
+                                goto out;
                 }
                 err = nfs4_handle_exception(server, err, &exception);
         } while (exception.retry);
+out:
         return err;
 }
 
@@ -3238,8 +3252,6 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen)
         ret = nfs_revalidate_inode(server, inode);
         if (ret < 0)
                 return ret;
-        if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
-                nfs_zap_acl_cache(inode);
         ret = nfs4_read_cached_acl(inode, buf, buflen);
         if (ret != -ENOENT)
                 return ret;
@@ -3977,8 +3989,6 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
         ret = nfs4_wait_for_completion_rpc_task(task);
         if (ret == 0) {
                 ret = data->rpc_status;
-                if (ret == -NFS4ERR_DENIED)
-                        ret = -EAGAIN;
         } else
                 data->cancelled = 1;
         rpc_put_task(task);
@@ -4066,9 +4076,11 @@ static int nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock *
         int err;
 
         do {
+                err = _nfs4_proc_setlk(state, cmd, request);
+                if (err == -NFS4ERR_DENIED)
+                        err = -EAGAIN;
                 err = nfs4_handle_exception(NFS_SERVER(state->inode),
-                                _nfs4_proc_setlk(state, cmd, request),
-                                &exception);
+                                err, &exception);
         } while (exception.retry);
         return err;
 }
@@ -4120,8 +4132,37 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
                 goto out;
         do {
                 err = _nfs4_do_setlk(state, F_SETLK, fl, 0);
-                if (err != -NFS4ERR_DELAY)
-                        break;
+                switch (err) {
+                        default:
+                                printk(KERN_ERR "%s: unhandled error %d.\n",
+                                                __func__, err);
+                        case 0:
+                        case -ESTALE:
+                                goto out;
+                        case -NFS4ERR_EXPIRED:
+                        case -NFS4ERR_STALE_CLIENTID:
+                        case -NFS4ERR_STALE_STATEID:
+                                nfs4_schedule_state_recovery(server->nfs_client);
+                                goto out;
+                        case -ERESTARTSYS:
+                                /*
+                                 * The show must go on: exit, but mark the
+                                 * stateid as needing recovery.
+                                 */
+                        case -NFS4ERR_ADMIN_REVOKED:
+                        case -NFS4ERR_BAD_STATEID:
+                        case -NFS4ERR_OPENMODE:
+                                nfs4_state_mark_reclaim_nograce(server->nfs_client, state);
+                                err = 0;
+                                goto out;
+                        case -ENOMEM:
+                        case -NFS4ERR_DENIED:
+                                /* kill_proc(fl->fl_pid, SIGLOST, 1); */
+                                err = 0;
+                                goto out;
+                        case -NFS4ERR_DELAY:
+                                break;
+                }
                 err = nfs4_handle_exception(server, err, &exception);
         } while (exception.retry);
 out: