linux-ext4 - Re: Please help: Is ext4 counting trims as writes, or is something killing my SSD?

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Date:	Thu, 12 Sep 2013 10:33:18 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Calvin Walton <calvin.walton@...stin.ca>
CC:	Julian Andres Klode <jak@...-linux.org>, linux-ext4@...r.kernel.org
Subject: Re: Please help: Is ext4 counting trims as writes, or is something
 killing my SSD?

On 9/12/13 10:29 AM, Calvin Walton wrote:

...

> Having this all integrated into the filesystem itself is quite a nice
> change for the better - the old way was definitely a hack! I suppose
> this was added sometime in the 2011 timeframe?

commit 367a51a339020ba4d9edb0ce0f21d65bd50b00c9
Author: Lukas Czerner <lczerner@...hat.com>
Date:   Wed Oct 27 21:30:11 2010 -0400

    fs: Add FITRIM ioctl

    Adds an filesystem independent ioctl to allow implementation of file
    system batched discard support.

the userspace tool came around that time as well.

-Eric

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