This is a note to let you know that I've just added the patch titled
ceph: allocate non-zero page to fscache in readpage()
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ceph-allocate-non-zero-page-to-fscache-in-readpage.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ff638b7df5a9264024a6448bdfde2b2bf5d1994a Mon Sep 17 00:00:00 2001
From: Li Wang <liwang@xxxxxxxxxxxxxxx>
Date: Sat, 9 Nov 2013 10:26:06 +0800
Subject: ceph: allocate non-zero page to fscache in readpage()
From: Li Wang <liwang@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Reviewed-by: Milosz Tanski <milosz@xxxxxxxxx>
Reviewed-by: Sage Weil <sage@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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:
Patches currently in stable-queue which might be from liwang@xxxxxxxxxxxxxxx are
queue-3.12/ceph-allocate-non-zero-page-to-fscache-in-readpage.patch
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