devd limitations / automounting removable storage

From: Bruce M Simpson (bms_at_spc.org)
Date: 09/17/03

  • Next message: M. Warner Losh: "Re: devd limitations / automounting removable storage" 
    Date: Wed, 17 Sep 2003 00:27:24 +0100
To: freebsd-arch@freebsd.org

    Hi,

    I noticed that when I attach a USB key fob, I don't get a devd message to
    say e.g. 'da0 at umass-sim0 bus 0 target 0 lun 0'.

    Any objections to adding devd notifications to the CAM layer? It would
    allow us to automount such devices. Specifically I'm thinking that a
    program to change the running automounter map could be used.

    Of course, filesystems which could be removed at any time would have to
    use synchronous I/O completion and preferably a log-structured filesystem
    (see recent fsync/msdosfs bug and ohci problems).

    What do people think?

    Perhaps we could extrapolate this to when CDs are inserted into drives
    (one for Soren...)

    BMS
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  • Next message: M. Warner Losh: "Re: devd limitations / automounting removable storage"