Messages in this thread | | | Date | Mon, 28 Feb 2011 22:29:56 +0800 | Subject | Re: ext2/3/4: punch support? | From | Dave Young <> |
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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.
I know general knowledge about ext filesystem, but nearly new to ext4 code, could you give some hint where to start?
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