io context sharing: preliminary support
commitd38ecf935fcb10264a6bc190855d9595165e6eeb
authorJens Axboe <jens.axboe@oracle.com>
Thu, 24 Jan 2008 07:53:35 +0000 (24 08:53 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Mon, 28 Jan 2008 09:50:31 +0000 (28 10:50 +0100)
tree64e3146ef76678ad3ae8f75c32df9f25ea470953
parentfd0928df98b9578be8a786ac0cb78a47a5e17a20
io context sharing: preliminary support

Detach task state from ioc, instead keep track of how many processes
are accessing the ioc.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/ll_rw_blk.c
fs/ioprio.c
include/linux/blkdev.h
include/linux/iocontext.h
kernel/fork.c