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authorJim Ramsay <jim_ramsay@dell.com>2013-07-10 23:41:19 +0100
committerAlasdair G Kergon <agk@redhat.com>2013-07-10 23:41:19 +0100
commit9d0eb0ab432aaa9160cf2675aee73b3900b9bc18 (patch)
tree1efd7430047b501cd9d5c234cc0ef329b39c2bd1 /include
parent8504eed3ac96457addfef7efc6aab2251073e8dc (diff)
downloadlinux-9d0eb0ab432aaa9160cf2675aee73b3900b9bc18.tar.bz2
dm: add switch target
dm-switch is a new target that maps IO to underlying block devices efficiently when there is a large number of fixed-sized address regions but there is no simple pattern to allow for a compact mapping representation such as dm-stripe. Though we have developed this target for a specific storage device, Dell EqualLogic, we have made an effort to keep it as general purpose as possible in the hope that others may benefit. Originally developed by Jim Ramsay. Simplified by Mikulas Patocka. Signed-off-by: Jim Ramsay <jim_ramsay@dell.com> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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