On Tue, 2010-12-14 at 08:40 +0800, Andrew Morton wrote: > On Mon, 13 Dec 2010 15:22:10 +0800 > Shaohua Li <[email protected]> wrote: > > > Add an ioctl to dump filesystem's metadata in memory in vfs. Userspace > > collects > > such info and uses it to do metadata readahead. > > Filesystem can hook to super_operations.metadata_incore to get metadata in > > specific approach. Next patch will give an example how to implement > > .metadata_incore in btrfs. > > Thanks for your time, akpm. I'll adopt your suggestions in next post.
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