Date: Sat, 28 Oct 2017 16:41:38 -0700 From: Conrad Meyer <cem@freebsd.org> To: Kirk McKusick <mckusick@mckusick.com> Cc: Mark Johnston <markj@freebsd.org>, freebsd-fs@freebsd.org Subject: Re: softdep as a mount(8) option Message-ID: <CAG6CVpWvLz5VXWrsKCSdZFx9Zafmk-1qSwarEbO=F-4FJfeLkw@mail.gmail.com> In-Reply-To: <201710282225.v9SMPDCZ074228@chez.mckusick.com> References: <20171027153859.GC2385@raichu> <201710282225.v9SMPDCZ074228@chez.mckusick.com>
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On Sat, Oct 28, 2017 at 3:25 PM, Kirk McKusick <mckusick@mckusick.com> wrote: > While it is safe and possible to add soft-updates (but not journalled > soft updates) as a mount option, it means that fsck will not know that > soft updates were in use, so it will always run in full (slow) mode at > boot time. This is why I have not added it as an option. Hi Kirk, Would it be possible to add a bit, like the dirty bit, that fsck can use to determine that the last mount of a filesystem used SU? That way we can retain fsck performance at the same time as enabling mount-time choice of SU. Best, Conrad
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