On Mon, Dec 09, 2002 at 04:54:39PM -0500, Thor Lancelot Simon wrote:

 > Of course they do.  The buffer's either B_ASYNC or it's not.  If it's 
 > B_ASYNC, you may either turn the write cache on or leave the write cache on,
 > depending on its previous setting.  If it is B_SYNC, you must turn the write
 > cache off or leave it off, depending on its previous setting.

..except, I'm not sure that you can use this hueristic anymore, since ~all
softdep writes are async, correct?

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>