On Mon, Nov 07, 2016 at 09:54:09PM +0100, Adam Borowski wrote: > On Mon, Nov 07, 2016 at 09:48:41AM -0800, Mark Fasheh wrote: > > also on XFS with the dedupe ioctl (I believe this should be out with > > Linux-4.9). > > It's already there in 4.9-rc1, although you need a special version of > xfsprogs (possibly already released, I didn't check). It's an experimental > feature that needs to be enabled with "-m reflink=1". The code will be available in xfsprogs 4.9, due out after Linux 4.9. You'll still have to pass '-m reflink=1' to enable reflink until we declare the feature stable, however. > Despite that experimental status, I'd strongly recommend James to test his > tool on xfs as well, as it's the second major implementation of this API[1]. Agreed. :) > Mark has already included XFS in documentation of duperemove, all that looks > amiss is btrfs-extent-same having an obsolete name. But then, I never did > any non-superficial tests on XFS, beyond "seems to work". /me wonders if ocfs2 will ever catch up to the reflink/dedupe party. ;) --Darrick > > > Meow! > > [1]. For some reasons zfs-on-linux guys didn't implement this yet, despite > it being an obvious thing on ZFS. > -- > A MAP07 (Dead Simple) raspberry tincture recipe: 0.5l 95% alcohol, 1kg > raspberries, 0.4kg sugar; put into a big jar for 1 month. Filter out and > throw away the fruits (can dump them into a cake, etc), let the drink age > at least 3-6 months. > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
