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Date:   Tue, 7 Nov 2023 23:24:26 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     "Darrick J. Wong" <djwong@kernel.org>
Cc:     Christoph Hellwig <hch@infradead.org>, cem@kernel.org,
        linux-xfs@vger.kernel.org
Subject: Re: [PATCH 1/5] xfs_scrub: allow auxiliary pathnames for sandboxing
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On Tue, Nov 07, 2023 at 11:22:21PM -0800, Christoph Hellwig wrote:
> On Tue, Nov 07, 2023 at 10:35:11AM -0800, Darrick J. Wong wrote:
> > The reason why I bolted on the SERVICE_MOUNTPOINT= environment variable
> > is to preserve procfs discoverability.  The bash translation of these
> > systemd unit definitions for a scrub of /home is:
> > 
> >   mount /home /tmp/scrub --bind
> >   SERVICE_MODE=1 SERVICE_MOUNTPOINT=/tmp/scrub xfs_scrub -b /home
> > 
> > And the top listing for that will look like:
> > 
> >     PID USER      PR  NI %CPU  %MEM     TIME+ COMMAND
> >   11804 xfs_scru+ 20  19 10.3   0.1   1:26.94 xfs_scrub -b /home
> > 
> > (I omitted a few columns to narrow the top output.)
> 
> So if you make the pretty print mount point a new variable and pass
> that first this would become say:

s/variable/option/