From: Sage Weil <sage@redhat.com>
Date: Mon, 20 Nov 2017 15:30:50 +0000 (-0600)
Subject: os/bluestore: prevent mount if osd_max_object_size >= 4G
X-Git-Tag: v12.2.3~59^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ce54fd9b995a5e28fbba462e5843c17ee58fea29;p=ceph.git

os/bluestore: prevent mount if osd_max_object_size >= 4G

Signed-off-by: Sage Weil <sage@redhat.com>
(cherry picked from commit f284bbb0593eafc25013c01c8aa7b8bdfc39d906)
---

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 5fe5b98c5dd0..5bb8dd0b2d56 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -4004,6 +4004,12 @@ int BlueStore::get_block_device_fsid(CephContext* cct, const string& path,
 
 int BlueStore::_open_path()
 {
+  // sanity check(s)
+  if (cct->_conf->get_val<uint64_t>("osd_max_object_size") >=
+      4*1024*1024*1024ull) {
+    derr << __func__ << " osd_max_object_size >= 4GB; BlueStore has hard limit of 4GB." << dendl;
+    return -EINVAL;
+  }
   assert(path_fd < 0);
   path_fd = TEMP_FAILURE_RETRY(::open(path.c_str(), O_DIRECTORY));
   if (path_fd < 0) {