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Date: Fri, 25 Sep 2020 18:14:45 +0200 From: Christoph Hellwig <hch@....de> To: Tejun Heo <tj@...nel.org>, Jens Axboe <axboe@...nel.dk>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>, Minho Ban <mhban@...sung.com> Cc: cgroups@...r.kernel.org, linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org Subject: RFC: sort out get_gendisk abuses Hi all, this series tries to remove two abuses of the get_gendisk API. The first one is fairly straigt forward and switched the blk-cgroup configuration API to properly open the block device, but I'd love to see it reviewed and tested by the cgroup maintainers, as I don't really know how this code is actually used. The other one in the hibernation code really puzzles me - it busy loops on the gendisk lookup, just to leak a reference when it finally succeeds and then doesn't actually do anything with the result. My proposal for now is to simply revert the offending change, but better proposals are welcome.
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