On Saturday 22 October 2005 05:11, Jeff Dike wrote: > On Sat, Oct 22, 2005 at 02:52:00AM +0200, Blaisorblade wrote:
> It's fairly trivial. Look at the SIGIO workaround thread - this is > essentially the same thing. _Yes_, but see below. > > The ubd driver works currently this way, but the thing is not trivial to > > get right (and the UBD rewrite in the works has shown that). > The complexity there is due to entirely different causes, namely making > sure that requests are sent out in order and that pieces of the bitmap are > written out when they should be, and not before. I also remember the deadlock due to the pipe buffer used for communication filling completely... that's what could be related. -- Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894) http://www.user-mode-linux.org/~blaisorblade ___________________________________ Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB http://mail.yahoo.it ------------------------------------------------------- This SF.Net email is sponsored by: Power Architecture Resource Center: Free content, downloads, discussions, and more. http://solutions.newsforge.com/ibmarch.tmpl _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
