On 02/14/2012 08:45 PM, Christoph Hellwig wrote: > On Tue, Feb 14, 2012 at 01:32:00PM +0100, Richard Ems wrote: >>> You won't if the directory traversal is seek bound and that is the >>> limiting factor for performance. >> >> *Seek bound*? *When* is the directory traversal *seek bound*? > > You read the inode for the directory first, then the external attribute > block for the ACLs, then if the directory isn't tiny you'll start reading > directory blocks, the more the larger the directory is, and if the > filesystem is close to beeing full they often will be non-contiguous. > Then you read the inode for each file/directory in it, then the external > attribute block, then the extent list, and so on. Ok, got it. Many thanks, Richard -- Richard Ems mail: Richard.Ems@xxxxxxxxxxxxxxxxx Cape Horn Engineering S.L. C/ Dr. J.J. Dómine 1, 5º piso 46011 Valencia Tel : +34 96 3242923 / Fax 924 http://www.cape-horn-eng.com _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
