From e0e851cf30f1a9bd2e2a7624e9810378d6a2b072 Mon Sep 17 00:00:00 2001
From: Chris Mason <mason@suse.com>
Date: Wed, 1 Feb 2006 03:06:49 -0800
Subject: [PATCH] [PATCH] reiserfs: reiserfs hang and performance fix for
 data=journal mode

In data=journal mode, reiserfs writepage needs to make sure not to trigger
transactions while being run under PF_MEMALLOC.  This patch makes sure to
redirty the page instead of forcing a transaction start in this case.

Also, calling filemap_fdata* in order to trigger io on the block device can
cause lock inversions on the page lock.  Instead, do simple batching from
flush_commit_list.

Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
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