Attachment 292185 Details for Bug 183119 – debug patch to watch transaction credits

[patch] debug patch to watch transaction credits

jbd-transaction-credits-debug.patch (text/plain), 1.01 KB, created by Josef Bacik on 2008-01-18 18:42:26 UTC

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Creator: Josef Bacik

Created: 2008-01-18 18:42:26 UTC

Size: 1.01 KB

patch

obsolete

>diff -up linux-2.6.9/include/linux/jbd.h.josef linux-2.6.9/include/linux/jbd.h
>--- linux-2.6.9/include/linux/jbd.h.josef	2008-01-18 13:31:06.000000000 -0500
>+++ linux-2.6.9/include/linux/jbd.h	2008-01-18 13:31:32.000000000 -0500
>@@ -598,6 +598,7 @@ struct transaction_s 
> #ifndef __GENKSYMS__
> 	struct journal_head     *t_checkpoint_io_list;
> #endif
>+	unsigned long		t_ip;
> };
> 
> /**
>diff -up linux-2.6.9/fs/jbd/transaction.c.josef linux-2.6.9/fs/jbd/transaction.c
>--- linux-2.6.9/fs/jbd/transaction.c.josef	2008-01-18 13:28:28.000000000 -0500
>+++ linux-2.6.9/fs/jbd/transaction.c	2008-01-18 13:37:41.000000000 -0500
>@@ -1379,6 +1379,9 @@ int journal_stop(handle_t *handle)
> 	spin_lock(&transaction->t_handle_lock);
> 	transaction->t_outstanding_credits -= handle->h_buffer_credits;
> 	transaction->t_updates--;
>+	J_ASSERT(transaction->t_outstanding_credits >= 0);
>+	transaction->t_ip = (unsigned long)__builtin_return_address(2);
>+
> 	if (!transaction->t_updates) {
> 		wake_up(&journal->j_wait_updates);
> 		if (journal->j_barrier_count)

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