Re: [RFC PATCH] block: all callers should check blkdev_issue_flush's return

[Jeff Moyer]

Mike Snitzer <snitzer@xxxxxxxxxx> writes:

> It is concerning that a FLUSH may fail but the blkdev_issue_flush
> callers assume it will always succeed.
>
> Each blkdev_issue_flush caller should come to terms with the reality
> that a FLUSH may fail -- the file_operations' .fsync methods in
> particular.  nilfs2 is the only filesystem that checks
> blkdev_issue_flush's return.

Yeah, as it stands, it looks like in many cases fsync won't return an
error if a flush fails.  That's bad.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/