[PATCH] ceph: Avoid to propagate the invalid page point

From	Minfei Huang <mnfhuang@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH] ceph: Avoid to propagate the invalid page point
Date	2015-12-19 04:00 +0100
Message-ID	<qHfUt-5Gv-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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The variant pagep will still get the invalid page point, although ceph
fails in function ceph_update_writeable_page.

To fix this issue, Assigne the page to pagep until there is no failure
in function ceph_update_writeable_page.

Signed-off-by: Minfei Huang <mnfhuang@gmail.com>
---
 fs/ceph/addr.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index b7d218a..6491079 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1149,7 +1149,6 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
 		page = grab_cache_page_write_begin(mapping, index, 0);
 		if (!page)
 			return -ENOMEM;
-		*pagep = page;
 
 		dout("write_begin file %p inode %p page %p %d~%d\n", file,
 		     inode, page, (int)pos, (int)len);
-- 
2.6.3

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[PATCH] ceph: Avoid to propagate the invalid page point Minfei Huang <mnfhuang@gmail.com> - 2015-12-19 04:00 +0100
  Re: [PATCH] ceph: Avoid to propagate the invalid page point "Yan, Zheng" <zyan@redhat.com> - 2015-12-21 05:20 +0100

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