lkml.org 
[lkml]   [2006]   [Feb]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Which is simpler? (Was Re: [Suspend2-devel] Re: [ 00/10] [Suspend2] Modules support.)
    Hi!

    > > > I've begun briefly to have a look at this.
    > > >
    > > > Part of the problem I have, both with doing incremental patches for
    > > > swsusp and with doing a userspace version, is that some of the
    > > > fundamentals are redesigned in suspend2. The most important of these is
    > > > that we store the metadata in bitmaps (for pageflags) and extents (for
    > > > storage) instead of pbes. Do you have thoughts on how to overcome that
    > > > issue? Are you willing, for example, to do work on switching swsusp to
    > > > use a different method of storing its data?
    > >
    > > Any changes to userspace are a fair game. OTOH kernel provides linear
    > > image to be saved to userspace, and what it uses internally should not
    > > be important to userland parts. (And Rafael did some changes in that
    > > area to make it more effective, IIRC).
    >
    > What about providing the possibility of using the 2 pagesets I use at the
    > moment? I'm not suggesting it should be compulsory, but perhaps an ioctl to
    > say "I want to save a Suspend2 style image"?

    I'd prefer to get the low-hanging fruits, first. LZF compression seems
    like a first target.

    Of course, adding ioctl to do suspend2-style snapshot is possible, but
    I fear it will be too intrusive, and would prefer to do it after
    getting the simple stuff done.

    Pavel
    --
    Web maintainer for suspend.sf.net (www.sf.net/projects/suspend) wanted...
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-02-10 00:27    [W:4.070 / U:0.440 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site