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[Qemu-devel] Re: BTRFS: Unbelievably slow with kvm/qemu


From: Michael Tokarev
Subject: [Qemu-devel] Re: BTRFS: Unbelievably slow with kvm/qemu
Date: Mon, 12 Jul 2010 17:42:04 +0400
User-agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090706)

Josef Bacik wrote:
[]
> O_DIRECT support was just introduced recently, please try on the latest kernel
> with the normal settings (which IIRC uses O_DIRECT), that should make things
> suck alot less.  Thanks,

Um.  Do you mean it were introduced in BTRFS or general? :)

Because, wel, O_DIRECT is here and supported since some 2.2 times... ;)

/mjt



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