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cfq: Optimization for close cooperating queue searching
authorGui Jianfeng <guijianfeng@cn.fujitsu.com>
Tue, 8 Dec 2009 07:54:17 +0000 (08:54 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 9 Dec 2009 14:11:03 +0000 (15:11 +0100)
commitb9d8f4c73b1af4cfd53f819bf84c2bce31232275
tree2ae92bc6cabfd9d2308902c3ac92f04fe6fbf1fbtree | snapshot
parenta3b8d92d25212c5b6534ae9b347ed2858de78336commit | diff
cfq: Optimization for close cooperating queue searching

It doesn't make any sense to try to find out a close cooperating
queue if current cfqq is the only one in the group.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/cfq-iosched.c diff | blob | history
Domain: System / Kernel;