linux-kernel - Re: [PATCH 1/2] fs: Do not dispatch FITRIM through separate super

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Date:	Fri, 19 Nov 2010 10:41:19 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Lukas Czerner <lczerner@...hat.com>
Cc:	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, hch@...radead.org,
	sandeen@...hat.com
Subject: Re: [PATCH 1/2] fs: Do not dispatch FITRIM through separate
 super_operation

On Thu, Nov 18, 2010 at 08:36:48AM +0100, Lukas Czerner wrote:
> There was concern that FITRIM ioctl is not common enough to be included
> in core vfs ioctl, as Christoph Hellwig pointed out there's no real point
> in dispatching this out to a separate vector instead of just through
> ->ioctl.
> 
> So this commit removes ioctl_fstrim() from vfs ioctl and trim_fs
> from super_operation structure.
> 
> Signed-off-by: Lukas Czerner <lczerner@...hat.com>

Trying to redirect this thread back to the original patches....

What do people think?  Should I try to push these two patches to Linus
now, to make it easier for other file systems who might be interested
in implementing FITRIM functionality?

Or should I wait until the 2.6.37-rc1 window?

We're at -rc3, so a change like this is a bit late, but so far no one
else is using trim_fs besides ext4, and it will make life easier for
other file systems, so I'm willing to try pushing this to Linus if
there is consensus from other fs developers.

						- Ted
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