From 9f94f9f00e570788faa3ea6ff45cbb7a15f6c31d Mon Sep 17 00:00:00 2001
From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Fri, 1 Sep 2017 15:53:38 +0800
Subject: [PATCH] os/bluestore: handle small main device properly

Originally reported by MarcinDulak on 'ceph-users' channel.

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---
 src/os/bluestore/BlueStore.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index d274874ea1a..a1b0af5d7a9 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -4124,6 +4124,13 @@ int BlueStore::_open_bdev(bool create)
   if (r < 0) {
     goto fail_close;
   }
+  if (bdev->get_size() < cct->_conf->bluestore_bluefs_min) {
+    dout(1) << __func__ << " main device size " << si_t(bdev->get_size())
+            << " is too small, disable bluestore_bluefs_min for now"
+            << dendl;
+    int r = cct->_conf->set_val("bluestore_bluefs_min", "0");
+    assert(r == 0);
+  }
   return 0;
 
  fail_close:
-- 
2.47.3