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authorJens Axboe <jens.axboe@oracle.com>2009-10-04 20:36:19 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-10-04 20:36:19 +0200
commite00c54c36ac2024c3a8a37432e2e2698ff849594 (patch)
tree0b392ba588939a7ee0c405ada8b22047fad9daff /drivers/md/dm.c
parentac481c20ef8f6c6f2be75d581863f40c43874ef7 (diff)
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cfq-iosched: don't delay async queue if it hasn't dispatched at all
We cannot delay for the first dispatch of the async queue if it hasn't dispatched at all, since that could present a local user DoS attack vector using an app that just did slow timed sync reads while filling memory. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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