Re: [PATCH] blk-cgroup: remove entries in blkg_tree before queue release

2018-04-06 Thread kbuild test robot
Hi Alexandru, Thank you for the patch! Yet something to improve: [auto build test ERROR on block/for-next] [also build test ERROR on v4.16 next-20180406] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH] blk-cgroup: remove entries in blkg_tree before queue release

2018-04-06 Thread kbuild test robot
Hi Alexandru, Thank you for the patch! Yet something to improve: [auto build test ERROR on block/for-next] [also build test ERROR on v4.16 next-20180406] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH] blk-cgroup: remove entries in blkg_tree before queue release

2018-04-06 Thread kbuild test robot
Hi Alexandru, Thank you for the patch! Yet something to improve: [auto build test ERROR on block/for-next] [also build test ERROR on v4.16 next-20180406] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH] blk-cgroup: remove entries in blkg_tree before queue release

2018-04-06 Thread kbuild test robot
Hi Alexandru, Thank you for the patch! Yet something to improve: [auto build test ERROR on block/for-next] [also build test ERROR on v4.16 next-20180406] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

[PATCH] blk-cgroup: remove entries in blkg_tree before queue release

2018-04-06 Thread Alexandru Moise
The q->id is used as an index within the blkg_tree radix tree. If the entry is not released before reclaiming the blk_queue_ida's id blkcg_init_queue() within a different driver from which this id was originally for can fail due to the entry at that index within the radix tree already existing.

[PATCH] blk-cgroup: remove entries in blkg_tree before queue release

2018-04-06 Thread Alexandru Moise
The q->id is used as an index within the blkg_tree radix tree. If the entry is not released before reclaiming the blk_queue_ida's id blkcg_init_queue() within a different driver from which this id was originally for can fail due to the entry at that index within the radix tree already existing.