Re: [PATCH 0/10 v5] block: Fix block device shutdown related races

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On 03/22/2017 06:36 PM, Jan Kara wrote:
> Hello,
> 
> this is a series with the remaining patches (on top of 4.11-rc2) to
> fix several different races and issues I've found when testing device
> shutdown and reuse.  The first patch fixes possible (theoretical)
> problems when opening of a block device races with shutdown of a
> gendisk structure. Patches 2-8 fix oops that is triggered by
> __blkdev_put() calling inode_detach_wb() too early (the problem
> reported by Thiago). Patches 9 and 10 fix oops due to a bug in gendisk
> code where get_gendisk() can return already freed gendisk structure
> (again triggered by Omar's stress test).
> 
> All patches got reviewed by Tejun and also tested by Thiago (thanks!).
> Jens, can you please queue these fixes for the next merge window?
> Thanks!

Done! Thanks a lot for working on this, Jan.

-- 
Jens Axboe




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