NFS: Prevent the mount code from looping forever on broken exports

[safe/jmp/linux-2.6] / fs / reiserfs / lock.c

diff --git a/fs/reiserfs/lock.c b/fs/reiserfs/lock.c
index ee2cfc0..b87aa2c 100644 (file)
--- a/fs/reiserfs/lock.c
+++ b/fs/reiserfs/lock.c
@@ -86,3 +86,12 @@ void reiserfs_check_lock_depth(struct super_block *sb, char *caller)
                reiserfs_panic(sb, "%s called without kernel lock held %d",
                               caller);
 }
+
+#ifdef CONFIG_REISERFS_CHECK
+void reiserfs_lock_check_recursive(struct super_block *sb)
+{
+       struct reiserfs_sb_info *sb_i = REISERFS_SB(sb);
+
+       WARN_ONCE((sb_i->lock_depth > 0), "Unwanted recursive reiserfs lock!\n");
+}
+#endif