lkml.org 
[lkml]   [1998]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: DEVFSv50 and /dev/fb? (or /dev/fb/? ???)
    H. Peter Anvin writes:
    > 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:
    > > >=20
    > > > >In saying waiting, I wasn't meaning the human style foot tapping, co=
    > ffee
    > > > >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?
    > > >=20
    > > > You really don' t understand that the inode lookup time is not an iss=
    > ue.
    > > > Please really stop using it as and argument in favor of devfs.
    > >=20
    > > How long does it take to lookup a million inodes? This is not
    > > significant?
    > >=20
    >
    > 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!)

    Answer: way too much! That's why a scsidev or devfs system is
    essential.

    Regards,

    Richard....

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.rutgers.edu
    Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html

    \
     
     \ /
      Last update: 2005-03-22 13:43    [W:0.024 / U:62.328 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site