Re: [PATCH 1/2] fs: Do not dispatch FITRIM through separate super_operation

Markus Trippelsdorf
2010-11-18T21:50:15Z

On 2010.11.18 at 16:45 -0500, Mark Lord wrote:
> On 10-11-18 02:32 PM, Markus Trippelsdorf wrote:
> >On 2010.11.18 at 18:05 +0000, Jamie Lokier wrote:
> >>Online trim may be slow, but offline would be awfully inconvenient
> >>when an fs is big and needed for a live system, or when it's your root fs.
> >
> >You can call FITRIM from a running system. Infact I run it once per week
> >as a cron job on my (mounted) root fs.
>
>
> Ditto for wiper.sh.

But I always thought that wiper has no access to the filesystem
internals. So there is always a chance that you write to a sector that
wiper.sh is currently trimming. FITRIM should be safer in this regard.

--
Markus