linux-kernel - Re: [BUG] 2.6.26-rc2-mm1 - kernel BUG at fs/reiserfs/journal.c:1414!

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Date:	Wed, 14 May 2008 11:01:45 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, reiserfs-devel@...r.kernel.org,
	Andy Whitcroft <apw@...dowen.org>,
	Jeff Mahoney <jeffm@...e.com>
Subject: Re: [BUG] 2.6.26-rc2-mm1 - kernel BUG at
 fs/reiserfs/journal.c:1414!

On Wed, 14 May 2008 19:33:59 +0530 Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> wrote:

> While running the dbench benchmark on the reiserfs filesystem,
> over the x86_64 box booted with the 2.6.26-rc2-mm1 kernel. The
> Kernel BUG() is seen on the console.
> 
> ------------[ cut here ]------------
> kernel BUG at fs/reiserfs/journal.c:1414!

This?

--- a/fs/reiserfs/journal.c~reiserfs-convert-j_flush_sem-to-mutex-fix
+++ a/fs/reiserfs/journal.c
@@ -1412,7 +1412,7 @@ static int flush_journal_list(struct sup
 	/* if flushall == 0, the lock is already held */
 	if (flushall) {
 		mutex_lock(&journal->j_flush_mutex);
-	} else if (!mutex_trylock(&journal->j_flush_mutex)) {
+	} else if (mutex_trylock(&journal->j_flush_mutex)) {
 		BUG();
 	}
 

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