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Date: Sun, 26 May 2013 11:06:22 -0600
Message-ID: <CAE5mzvgVdmckePvkdUomd2fUWFxkdgoQRLgtTWjCQQQ9jYUbEg@mail.gmail.com>
Subject: Re: Recommended settings for SSD
From: cwillu <cwillu@cwillu.com>
To: Harald Glatt <mail@hachre.de>
Cc: Leonidas Spyropoulos <artafinde@gmail.com>,
        Martin Steigerwald <Martin@lichtvoll.de>,
        Duncan <1i5t5.duncan@cox.net>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
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On Sun, May 26, 2013 at 9:16 AM, Harald Glatt <mail@hachre.de> wrote:
> I don't know a better way to check than doing df -h before and
> after... If you use space_cache you have to clear_cache though to make
> the numbers be current for sure each time before looking at df.

Not sure what you're thinking of; space_cache is just a mount-time
optimization, storing and loading a memory structure to disk so that
it doesn't have to be regenerated.

As I understand it, if it's ever wrong, it's a serious bug.