Messages in this thread |  | | From | Marc-Christian Petersen <> | Subject | Re: 2.4.20: Proccess stuck in __lock_page ... | Date | Tue, 27 May 2003 22:25:27 +0200 |
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On Tuesday 27 May 2003 22:20, Andrea Arcangeli wrote:
Hi Andrea,
> > 1. Stock 2.4.20 > > 2. 2.4.20 with the io_request_lock removed. > > The tests on the first one are still going. The tests on the second one > > showed processes getting stuck for long times (> 5 minutes) and not > > paused ... > sorry if it's a dumb question but what is the "io_request_lock removed" > thing? Hope you didn't delete any io_request_lock, if you did you can > get worse things than crashes (i.e. mm/fs corruption). the pausing bug > was a genuine race (quite innocent, if you could trigger a disk unplug > you could recover from it) > > Andrea funny. I asked him the same ;)
see his response:
----------------------------------------------------------------------- >what is this io_request_lock patch you are talking about? > >ciao, Marc > We made some changes to the 2.4.20 kernel to remove the io_request_lock and replace with queue_lock and host_lock. -----------------------------------------------------------------------
ciao, Marc
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