Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: DEVFSv50 and /dev/fb? (or /dev/fb/? ???) | Date | 6 Aug 1998 08:38:30 GMT |
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Followup to: <199808060119.LAA01437@vindaloo.atnf.CSIRO.AU> By author: Richard Gooch <Richard.Gooch@atnf.CSIRO.AU> In newsgroup: linux.dev.kernel > > Andrea Arcangeli writes: > > On Wed, 5 Aug 1998, Shawn Leas wrote: > > > > >In saying waiting, I wasn't meaning the human style foot tapping, coffee > > >getting, *long wait* that it might have sounded like. I meant that little > > >bit of time spent is unnecessary. Bigger deal for some than others, no? > > > > You really don' t understand that the inode lookup time is not an issue. > > Please really stop using it as and argument in favor of devfs. > > How long does it take to lookup a million inodes? This is not > significant? >
Unless your filesystem is crummy for directory lookup (which ext2fs currently is, but that is the problem that should be fixed), it shouldn't be significant. Counter question: how much kernel memory does it take to keep a million devices with all their info (atime, mtime, ctime, permissions, ownership all included!)
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