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authorTejun Heo <tj@kernel.org>2012-03-05 13:14:58 -0800
committerJens Axboe <axboe@kernel.dk>2012-03-06 21:27:21 +0100
commitd732580b4eb31553c63744a47d590f770cafb8f0 (patch)
treeea4e8e21df1b639603693e6f5fdfc5a620cd8737 /block/blk-throttle.c
parentb2fab5acd28ead6f0dd6c3996ba23f0ef1772f15 (diff)
downloadop-kernel-dev-d732580b4eb31553c63744a47d590f770cafb8f0.zip
op-kernel-dev-d732580b4eb31553c63744a47d590f770cafb8f0.tar.gz
block: implement blk_queue_bypass_start/end()
Rename and extend elv_queisce_start/end() to blk_queue_bypass_start/end() which are exported and supports nesting via @q->bypass_depth. Also add blk_queue_bypass() to test bypass state. This will be further extended and used for blkio_group management. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-throttle.c')
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