1. 08 Aug, 2006 1 commit
    • Pavel Machek's avatar
      pdflush: handle resume wakeups · d92165fe
      Pavel Machek authored
      2.6.16 needs this. It was merged into 2.6.18-rc1.
      
      pdflush is carefully designed to ensure that all wakeups have some
      corresponding work to do - if a woken-up pdflush thread discovers that
      it hasn't been given any work to do then this is considered an error.
      
      That all broke when swsusp came along - because a timer-delivered
      wakeup to a frozen pdflush thread will just get lost.  This causes the
      pdflush thread to get lost as well: the writeback timer is supposed to
      be re-armed by pdflush in process context, but pdflush doesn't execute
      the callout which does this.
      
      Fix that up by ignoring the return value from try_to_freeze(): jsut
      proceed, see if we have any work pending and only go back to sleep if
      that is not the case.
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      Signed-off-by: default avatarPavel Machek <pavel@suse.cz>
      Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
      d92165fe
  2. 07 Aug, 2006 2 commits
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