[Ocfs2-devel] [PATCH 1/1] OCFS2: add IO error check in ocfs2_get_sector() -v3

[Sunil Mushran]

Signed-off-by: Sunil Mushran <sunil.mushran at oracle.com>


On Feb 12, 2009, at 6:11 PM, wengang wang <wen.gang.wang at oracle.com>  
wrote:

> checks IO error in ocfs2_get_sector().
>
> this patch is based on Linus' git.
>
> Signed-off-by: Wengang Wang <wen.gang.wang at oracle.com>
> --
> diff -up ./fs/ocfs2/super.c.orig ./fs/ocfs2/super.c
> --- ./fs/ocfs2/super.c.orig    2009-02-12 18:05:19.023685000 -0800
> +++ ./fs/ocfs2/super.c    2009-02-12 18:07:13.995623000 -0800
> @@ -1537,6 +1537,13 @@ static int ocfs2_get_sector(struct super
>    unlock_buffer(*bh);
>    ll_rw_block(READ, 1, bh);
>    wait_on_buffer(*bh);
> +    if (!buffer_uptodate(*bh)) {
> +        mlog_errno(-EIO);
> +        brelse(*bh);
> +        *bh = NULL;
> +        return -EIO;
> +    }
> +
>    return 0;
> }
>
>
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