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* [PATCH] netfs: Pass flags through to grab_cache_page_write_begin()
@ 2021-05-13 10:49 David Howells
  2021-05-13 15:13 ` Jeff Layton
  0 siblings, 1 reply; 2+ messages in thread
From: David Howells @ 2021-05-13 10:49 UTC (permalink / raw)
  To: willy
  Cc: linux-mm, linux-cachefs, linux-afs, linux-nfs, linux-cifs,
	ceph-devel, v9fs-developer, linux-fsdevel, dhowells

In netfs_write_begin(), pass the AOP flags through to
grab_cache_page_write_begin() so that a request to use GFP_NOFS is honoured.

Fixes: e1b1240c1ff5 ("netfs: Add write_begin helper")
Reported-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-mm@kvack.org
cc: linux-cachefs@redhat.com
cc: linux-afs@lists.infradead.org
cc: linux-nfs@vger.kernel.org
cc: linux-cifs@vger.kernel.org
cc: ceph-devel@vger.kernel.org
cc: v9fs-developer@lists.sourceforge.net
cc: linux-fsdevel@vger.kernel.org
---

 fs/netfs/read_helper.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
index 193841d03de0..725614625ed4 100644
--- a/fs/netfs/read_helper.c
+++ b/fs/netfs/read_helper.c
@@ -1068,7 +1068,7 @@ int netfs_write_begin(struct file *file, struct address_space *mapping,
 	DEFINE_READAHEAD(ractl, file, NULL, mapping, index);
 
 retry:
-	page = grab_cache_page_write_begin(mapping, index, 0);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 



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2021-05-13 10:49 [PATCH] netfs: Pass flags through to grab_cache_page_write_begin() David Howells
2021-05-13 15:13 ` Jeff Layton

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