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authorJeff Dike <jdike@addtoit.com>2005-09-03 15:57:46 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:23 -0700
commit09ace81c1d737bcbb2423db235ac980cac4d5de9 (patch)
treed31987b15d57429bd40843c02b2283b8e2d90cb0 /drivers/net/chelsio/sge.h
parent75e5584c89d213d6089f64f22cd899fb172e4c95 (diff)
[PATCH] uml: add host AIO support to block driver
This adds AIO support to the ubd driver. The driver breaks a struct request into IO requests to the host, based on the hardware segments in the request and on any COW blocks covered by the request. The ubd IO thread is gone, since there is now an equivalent thread in the AIO module. There is provision for multiple outstanding requests now. Requests aren't retired until all pieces of it have been completed. The AIO requests have a shared count, which is decremented as IO operations come in until it reaches 0. This can be possibly moved to the request struct - haven't looked at this yet. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/net/chelsio/sge.h')
0 files changed, 0 insertions, 0 deletions