[Linux-cachefs] [PATCH] Ceph: allocate non-zero page to fscache in readpage()
Milosz Tanski
milosz at adfin.com
Sat Nov 9 15:19:31 UTC 2013
Li, that's a good good catch.
On Fri, Nov 8, 2013 at 9:26 PM, Li Wang <liwang at ubuntukylin.com> wrote:
> 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 at ubuntukylin.com>
> ---
> fs/ceph/addr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
> index 6df8bd4..1e561c0 100644
> --- a/fs/ceph/addr.c
> +++ b/fs/ceph/addr.c
> @@ -216,7 +216,7 @@ static int readpage_nounlock(struct file *filp, struct page *page)
> }
> SetPageUptodate(page);
>
> - if (err == 0)
> + if (err >= 0)
> ceph_readpage_to_fscache(inode, page);
>
> out:
> --
> 1.7.9.5
>
--
Milosz Tanski
CTO
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New York, NY 10022
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e: milosz at adfin.com
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