[PATCH 1/3] GFS2: Set GFP_NOFS when allocating page on write

[Steven Whitehouse]

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@xxxxxxxxxx>
Signed-off-by: Steven Whitehouse <swhiteho@xxxxxxxxxx>

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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