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Message-Id: <20140106223745.483924938@linuxfoundation.org>
Date:	Mon,  6 Jan 2014 14:36:06 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Li Wang <liwang@...ntukylin.com>,
	Milosz Tanski <milosz@...in.com>, Sage Weil <sage@...tank.com>
Subject: [PATCH 3.12 005/144] ceph: allocate non-zero page to fscache in readpage()

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Li Wang <liwang@...ntukylin.com>

commit ff638b7df5a9264024a6448bdfde2b2bf5d1994a upstream.

ceph_osdc_readpages() returns number of bytes read, currently,
the code only allocate full-zero page into fscache, this patch
fixes this.

Signed-off-by: Li Wang <liwang@...ntukylin.com>
Reviewed-by: Milosz Tanski <milosz@...in.com>
Reviewed-by: Sage Weil <sage@...tank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -216,7 +216,7 @@ static int readpage_nounlock(struct file
 	}
 	SetPageUptodate(page);
 
-	if (err == 0)
+	if (err >= 0)
 		ceph_readpage_to_fscache(inode, page);
 
 out:


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