Btrfs: allow subvol deletion by unprivileged user with -o user_subvol_rm_allowed
[pandora-kernel.git] / fs / aio.c
index 1320b2a..250b0a7 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -712,8 +712,16 @@ static ssize_t aio_run_iocb(struct kiocb *iocb)
         */
        ret = retry(iocb);
 
-       if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED)
+       if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED) {
+               /*
+                * There's no easy way to restart the syscall since other AIO's
+                * may be already running. Just fail this IO with EINTR.
+                */
+               if (unlikely(ret == -ERESTARTSYS || ret == -ERESTARTNOINTR ||
+                            ret == -ERESTARTNOHAND || ret == -ERESTART_RESTARTBLOCK))
+                       ret = -EINTR;
                aio_complete(iocb, ret, 0);
+       }
 out:
        spin_lock_irq(&ctx->ctx_lock);