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From: Martin Steigerwald <Martin@lichtvoll.de>
To: linux-btrfs@vger.kernel.org
Cc: Sylvain Alain <d2racing911@gmail.com>
Subject: Re: Question about btrfs snapshot delay and rm -rf delay
Date: Sat, 8 Dec 2012 12:41:47 +0100	[thread overview]
Message-ID: <201212081241.48191.Martin@lichtvoll.de> (raw)
In-Reply-To: <CACR_K2ss6LSQYeeEVcxmSvpEL-fHifO0trdaBmgURCQpgJi5kQ@mail.gmail.com>

Am Freitag, 7. Dezember 2012 schrieb Sylvain Alain:
> Hi, I tested the fstrim
> 
> root@sysresccd /root % time fstrim -v /mnt/gentoo
> /mnt/gentoo: 8148938752 bytes were trimmed
> 
> I noticed that my btrfs hang my SSD only with small files.
> 
> I tested with removing the /usr/src/linux directory(kernel sources)
> with emerge -C vanilla-sources from Gentoo and I noticed this
> behaviour.
> 
> So, should I remove the discard option or not from my /etc/fstab ?

Did you test whether removing it fixes the delays?

If not, I think there is no need to remove it.

If yes, remove it and use fstrim instead.

Thats my suggestion.

Thanks,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7

  reply	other threads:[~2012-12-08 11:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-07 13:48 Question about btrfs snapshot delay and rm -rf delay Sylvain Alain
2012-12-08 11:41 ` Martin Steigerwald [this message]
  -- strict thread matches above, loose matches on Subject: below --
2012-12-06  4:56 Sylvain Alain
2012-12-06  5:14 ` Rock Lee
2012-12-06  6:31 ` Marc MERLIN
2012-12-06 12:52   ` Sylvain Alain
2012-12-06 12:59     ` Sander
2012-12-06 18:52       ` Martin Steigerwald
2012-12-06 18:55         ` Martin Steigerwald
2012-12-06 19:37           ` Sander
2012-12-06 18:54   ` Martin Steigerwald

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