Re: Please help: Is ext4 counting trims as writes, or is something killing my SSD?
From: Eric Sandeen <hidden>
Date: 2013-09-12 15:33:24
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 [off-list ref]
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