Messages in this thread | | | Date | Mon, 28 Feb 2011 15:50:09 +0100 (CET) | From | Lukas Czerner <> | Subject | Re: ext2/3/4: punch support? |
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On Mon, 28 Feb 2011, Dave Young wrote:
> On Mon, Feb 28, 2011 at 9:11 PM, Josef Bacik <josef@redhat.com> wrote: > > On Mon, Feb 28, 2011 at 03:03:40PM +0800, Dave Young wrote: > >> Hi, josef and ext guys > >> > >> Do you have any plan with ext4 hole punching support? And the > >> fallocate for ext2/3? > >> > >> What's the obstacle to work on this? could someone tell the status of > >> this issue? > > > > There is no obstacle, just nobody has bothered to do it. If you want to do it > > go for it. Thanks, > > Yes, I want to do some kvm image space discard stuff, > I use ext4 as my filesystem, but currently only xfs support something > like trim/discard.
Ext4 supports discard as well, actually batched discard support was added into ext4 before xfs :)
Thanks! -Lukas
> > I know general knowledge about ext filesystem, but nearly new to ext4 code, > could you give some hint where to start? > > -- > Thanks > dave > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > | |