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authorJens Axboe <jens.axboe@oracle.com>2009-03-27 10:30:47 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-04-07 08:12:37 +0200
commit6c7e8cee6a9128eeb7f83c3ad1cb243f77f5cb16 (patch)
treef57ac6ab9e57a4e3317a54d04c39151d3bb942cf /block/blk-sysfs.c
parentd508afb437daee7cf07da085b635c44a4ebf9b38 (diff)
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block: elevator quiescing helpers
Simple helper functions to quiesce the request queue. These are currently only used for switching IO schedulers on-the-fly, but we can use them to properly switch IO accounting on and off as well. Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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