Re: Offline Deduplication for Btrfs

2011-01-15 Thread Arjen Nienhuis
Hi, I like your idea and implementation for offline deduplication a lot. I think it will save me 50% of my backup storage! Your code walks/scans the directory/file tree of the filesystem. Would it be possible to walk/scan the disk extents sequentially in disk order? - This would be more

Re: [PATCH v2 0/5] add new ioctls to do metadata readahead in btrfs

2011-01-15 Thread Wu Fengguang
On Wed, Jan 12, 2011 at 10:55:16AM +0800, Li, Shaohua wrote: On Tue, Jan 11, 2011 at 05:13:53PM +0800, Wu, Fengguang wrote: On Tue, Jan 11, 2011 at 11:27:33AM +0800, Li, Shaohua wrote: On Tue, 2011-01-11 at 11:07 +0800, Wu, Fengguang wrote: On Tue, Jan 11, 2011 at 10:03:16AM +0800, Li,