linux-kernel - Re: [PATCH] xfs: add tunable threshold parameter for triggering zone GC

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Message-ID: <5on3efybz6wr35szabvvglypmyip6nocviftpr5bke3vuvth74@rso4ha4e263o>
Date: Tue, 22 Apr 2025 09:56:41 +0200
From: Carlos Maiolino <cem@...nel.org>
To: Guenter Roeck <linux@...ck-us.net>
Cc: hch <hch@....de>, Hans Holmberg <Hans.Holmberg@....com>, 
	Dave Chinner <david@...morbit.com>, "Darrick J . Wong" <djwong@...nel.org>, 
	"linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] xfs: add tunable threshold parameter for triggering zone
 GC

On Mon, Apr 21, 2025 at 11:22:47PM -0700, Guenter Roeck wrote:
> On 4/21/25 23:01, hch wrote:
> > On Mon, Apr 21, 2025 at 10:57:31PM -0700, Guenter Roeck wrote:
> >>> free should be floored to zero, i.e.
> >>>
> >>> 	free = min(0, xfs_estimate_freecounter(mp, XC_FREE_RTEXTENTS));
> >>>
> >>
> >> Do you mean max, maybe ?
> >
> > Yes, sorry.
> >
> > Also if you want the work taken off your hands I can prepare a patch
> > as well, I just don't want to do that without approval from the
> > original author.
> 
> I didn't actually plan to write a patch myself. I thought that either
> Hans or Carlos would do that. Sorry if my replies caused a misunderstanding.

I can do that, don't worry then. I'll craft something around this week.


> 
> Guenter
> 
>