os/bluestore/BlueFS: If allocate failed, try releae unused extents.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
ceph · Sep 14, 2017 · f17b944 · f17b944
1 parent 05505c1
commit f17b944
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
@@ -1816,6 +1816,10 @@ int BlueFS::_allocate(uint8_t id, uint64_t len,
   int r = -ENOSPC;
   if (alloc[id]) {
     r = alloc[id]->reserve(left);
+    if (r < 0 && pending_release.size() > 0) {
+      _flush(log_writer, true);
+      r = alloc[id]->reserve(left);
+    }
   }
   if (r < 0) {
     if (id != BDEV_SLOW) {