filestore: remove unused var

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/os/FileStore.cc b/src/os/FileStore.cc
index db73dcbe51271c093a3042bcc846def999179127..499753e771cae4e80fe4aae2f367647d93b18ba9 100644 (file)
--- a/src/os/FileStore.cc
+++ b/src/os/FileStore.cc
@@ -3170,7 +3170,6 @@ void FileStore::sync_entry()
 
          dout(10) << "taking snap '" << vol_args.name << "'" << dendl;
          int r = ::ioctl(basedir_fd, BTRFS_IOC_SNAP_CREATE, &vol_args);
-         char buf[100];
          if (r != 0) {
            int err = errno;
            derr << "snap create '" << vol_args.name << "' got error " << err << dendl;