FileStore: Introduced a RLock instead of WLock

While calling index->collection_version, there is no need to
hold WLock at the index level. RLock should be sufficient.

Signed-off-by: Somnath Roy <somnath.roy@sandisk.com>

diff --git a/src/os/FileStore.cc b/src/os/FileStore.cc
index feb317162ca671a5170cc6a6ec59bd75e0a2deee..4481c93f56b65f409a6dbeadc864118ba5bc84eb 100644 (file)
--- a/src/os/FileStore.cc
+++ b/src/os/FileStore.cc
@@ -4248,7 +4248,7 @@ int FileStore::collection_version_current(coll_t c, uint32_t *version)
     return r;
 
   assert(NULL != index.index);
-  RWLock::WLocker l((index.index)->access_lock);
+  RWLock::RLocker l((index.index)->access_lock);
 
   *version = index->collection_version();
   if (*version == target_version)