From: Jan Kara
Block layer currently abuses rq->csd.list.next for storing fifo_time.
That is a terrible hack and completely unnecessary as well. Union
achieves the same space saving in a cleaner way.
Signed-off-by: Jan Kara
Cc: Andrew Morton
Cc: Christoph Hellwig
Cc: Ingo Molnar
Cc: Jens Axb
From: Jan Kara
Block layer currently abuses rq->csd.list.next for storing fifo_time.
That is a terrible hack and completely unnecessary as well. Union
achieves the same space saving in a cleaner way.
Signed-off-by: Jan Kara
Cc: Andrew Morton
Cc: Christoph Hellwig
Cc: Ingo Molnar
Cc: Jens Axb
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