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Old 01-06-2009, 10:08 AM
Steven Whitehouse
Default GFS2: Set GFP_NOFS when allocating page on write

>From 14c09bd317ea1e2f99baca3198472e75dca2681a Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Tue, 6 Jan 2009 10:08:33 +0000
Subject: [PATCH] GFS2: Set GFP_NOFS when allocating page on write

We need to ensure that we always set GFP_NOFS in this one
particular case when allocating pages for write.

Reported-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 6e4ea36..4ddab67 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -675,6 +675,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
goto out_trans_fail;

error = -ENOMEM;
+ flags |= AOP_FLAG_NOFS;
page = grab_cache_page_write_begin(mapping, index, flags);
*pagep = page;
if (unlikely(!page))

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