Remove incorrect comment refering to lock_kernel() from jbd/jbd2

From: Andi Kleen <ak@suse.de>

None of the callers of this function does actually take the BKL
as far as I can see. So remove the comment refering to the BKL.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c
index c5d9694..2b8edf4 100644
--- a/fs/jbd/recovery.c
+++ b/fs/jbd/recovery.c
@@ -354,7 +354,7 @@ static int do_one_pass(journal_t *journal,
 		struct buffer_head *	obh;
 		struct buffer_head *	nbh;
 
-		cond_resched();		/* We're under lock_kernel() */
+		cond_resched();
 
 		/* If we already know where to stop the log traversal,
 		 * check right now that we haven't gone past the end of
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 9216806..d36356f 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -397,7 +397,7 @@ static int do_one_pass(journal_t *journal,
 		struct buffer_head *	obh;
 		struct buffer_head *	nbh;
 
-		cond_resched();		/* We're under lock_kernel() */
+		cond_resched();
 
 		/* If we already know where to stop the log traversal,
 		 * check right now that we haven't gone past the end of