Hi Dan,
On Jul 19, 2013, at 1:26 PM, Dan Carpenter wrote:
> I don't know if this is correct or not, but if feels like we shouldn't
> be calling bio_put() twice in nilfs_end_bio_write(). Also the comment
> is out of date. If this is correct then I can resend with a proper
> Signed-off-by line and everything.
>
I think that you have caught the important issue.
> diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
> index dc9a913..a660fd7 100644
> --- a/fs/nilfs2/segbuf.c
> +++ b/fs/nilfs2/segbuf.c
> @@ -346,7 +346,8 @@ static void nilfs_end_bio_write(struct bio *bio, int err)
> if (err == -EOPNOTSUPP) {
> set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
> bio_put(bio);
> - /* to be detected by submit_seg_bio() */
> + /* to be detected by nilfs_segbuf_submit_bio() */
> + return;
I think that simple return from the function is not right way. As I understand
the code,
then we increment error count in segbuf's sb_err field and signalize about
completion of
operation. So, from my viewpoint, it needs to remove the bio_put() call for the
case of
(err == -EOPNOTSUPP) instead of return from function.
Thanks,
Vyacheslav Dubeyko.
> }
>
> if (!uptodate)
> --
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