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[Cluster-devel] 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))
-- 
1.6.0.3




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