blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
blkg_rwstat is now only used by bfq-iosched and blk-throtl when on cgroup1. Let's move it into its own files and gate it behind a config option. Signed-off-by:Tejun Heo <tj@kernel.org> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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- block/Kconfig 4 additions, 0 deletionsblock/Kconfig
- block/Kconfig.iosched 1 addition, 0 deletionsblock/Kconfig.iosched
- block/Makefile 1 addition, 0 deletionsblock/Makefile
- block/bfq-iosched.h 2 additions, 0 deletionsblock/bfq-iosched.h
- block/blk-cgroup-rwstat.c 129 additions, 0 deletionsblock/blk-cgroup-rwstat.c
- block/blk-cgroup-rwstat.h 149 additions, 0 deletionsblock/blk-cgroup-rwstat.h
- block/blk-cgroup.c 0 additions, 97 deletionsblock/blk-cgroup.c
- block/blk-throttle.c 1 addition, 0 deletionsblock/blk-throttle.c
- include/linux/blk-cgroup.h 0 additions, 159 deletionsinclude/linux/blk-cgroup.h
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