tree 1ad52b1ce98743729c7cacce0c602e22d3a5d076
parent f19eaa7f53736449a6eac89c3863eca2c64d5913
author James Bottomley <James.Bottomley@steeleye.com> 1156967325 -0400
committer James Bottomley <jejb@mulgrave.il.steeleye.com> 1157037438 -0400

[SCSI] block: add support for shared tag maps

The current block queue implementation already contains most of the
machinery for shared tag maps.  The only remaining pieces are a way to
allocate and destroy a tag map independently of the queues (so that
the maps can be managed on the life cycle of the overseeing entity)

Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>