os/bluestore/StupidAllocator: fix reservation release on allocate

Use up the amount we allocated, not the amount we asked for.

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/os/bluestore/StupidAllocator.cc b/src/os/bluestore/StupidAllocator.cc
index 307c211583958e3399f7c3be950521a9de50bee6..be4d5633e454e366be7c592730797fcb1ad3ed45 100644 (file)
--- a/src/os/bluestore/StupidAllocator.cc
+++ b/src/os/bluestore/StupidAllocator.cc
@@ -158,7 +158,7 @@ int StupidAllocator::allocate(
   }
 
   num_free -= *length;
-  num_reserved -= need_size;
+  num_reserved -= *length;
   assert(num_free >= 0);
   assert(num_reserved >= 0);
   last_alloc = *offset + *length;