[LogFS] Only write journal if dirty

This prevents unnecessary journal writes.  More importantly it prevents
an oops due to a journal write on failed mount.

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index 94d80f7ee7c..1d081b7ede5 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -490,7 +490,7 @@ static void logfs_kill_sb(struct super_block *sb)
         log_super("LogFS: Start unmounting\n");
         /* Alias entries slow down mount, so evict as many as possible */
         sync_filesystem(sb);
-        logfs_write_anchor(super->s_master_inode);
+        logfs_write_anchor(sb);
 
         /*
          * From this point on alias entries are simply dropped - and any