On Jul 19, 2005 16:00 -0600, Jonathan Briggs wrote: > How about some kind of stat-data readahead logic? If the first two or > three directory entries are stat'd, queue up the rest (or next > hundred/thousand) of them. If the disk queue is given the whole pile of > stat requests at once instead of one at a time, it should be able to > sort them into a reasonable order. > > This might even be a VFS thing to do instead of per-FS.
This is something I would be very interested in. Having a pipeline of stats generated when an app does readdir + in-order stat would help reduce latency a great deal for network filesystems. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.
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