tree f57ac6ab9e57a4e3317a54d04c39151d3bb942cf
parent d508afb437daee7cf07da085b635c44a4ebf9b38
author Jens Axboe <jens.axboe@oracle.com> 1238146247 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1239084757 +0200

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>