From e3464df47b2e83ee160362a897adc1191a922ce9 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Thu, 4 Apr 2019 14:51:21 -0500
Subject: [PATCH] global/signal_handler: avoid core dump on EIO

Generating a core dump is overkill if we hit an EIO error from the
hardware.  Exit with an error code instead.

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/global/signal_handler.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/global/signal_handler.cc b/src/global/signal_handler.cc
index 91be152f2b8..56a586d7f01 100644
--- a/src/global/signal_handler.cc
+++ b/src/global/signal_handler.cc
@@ -318,7 +318,13 @@ static void handle_fatal_signal(int signum)
     }
   }
 
-  reraise_fatal(signum);
+  if (g_eio) {
+    // if this was an EIO crash, we don't need to trigger a core dump,
+    // since the problem is hardware, or some layer beneath us.
+    _exit(EIO);
+  } else {
+    reraise_fatal(signum);
+  }
 }
 
 void install_standard_sighandlers(void)
-- 
2.39.5