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Matthew Wilcox authored
The ->done member was being used to mark commands as being internal. I decided to put a magic number in ->underflow instead. I believe this to be safe as no current user of ->underflow has any of the bottom 9 bits set. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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