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Subject[PATCH 3.12 005/144] ceph: allocate non-zero page to fscache in readpage()
Date
3.12-stable review patch.  If anyone has any objections, please let me know.

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

From: Li Wang <liwang@ubuntukylin.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@ubuntukylin.com>
Reviewed-by: Milosz Tanski <milosz@adfin.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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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