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authorAaron Lu <aaron.lu@intel.com>2013-05-17 11:47:20 +0400
committerJens Axboe <axboe@kernel.dk>2013-05-17 12:00:43 +0400
commitc60855cdb976c632b3bf8922eeab8a0e78edfc04 (patch)
tree5f261de9a65462c17e0ca756ebff059127b96803 /block/Kconfig.iosched
parentc0a363f5cf21f79d72ab630524c3aa06fc6d066c (diff)
downloadlinux-c60855cdb976c632b3bf8922eeab8a0e78edfc04.tar.xz
blkpm: avoid sleep when holding queue lock
In blk_post_runtime_resume, an autosuspend request will be initiated for the device. Since we are holding the queue lock, we can't sleep and thus we should use the async version to initiate an autosuspend, i.e. pm_request_suspend instead of pm_runtime_suspend, which might sleep. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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