filestore: fix signedness so we can handle errors from safe_pread

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

diff --git a/src/os/FileStore.cc b/src/os/FileStore.cc
index acb76fc2674f5634953e1cef41bc7a16f4c97106..4603d4c31511b6edb755f445a51a398a6bb364c1 100644 (file)
--- a/src/os/FileStore.cc
+++ b/src/os/FileStore.cc
@@ -2039,7 +2039,7 @@ int FileStore::stat(coll_t cid, const sobject_t& oid, struct stat *st)
 int FileStore::read(coll_t cid, const sobject_t& oid, 
                     uint64_t offset, size_t len, bufferlist& bl)
 {
-  size_t got;
+  int got;
   char fn[PATH_MAX];
   get_coname(cid, oid, fn, sizeof(fn));