On Tue 04-04-17 14:09:51, Thiago Jung Bauermann wrote: > Hello, > > Am Donnerstag, 23. März 2017, 01:36:52 BRT schrieb Jan Kara: > > 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! > > Lekshmi tested these patches on top of v4.11-rc4 and they worked fine. > Sorry for the delay, it takes at least 72h of running time to be sure we're > not hitting the race condition, and I had trouble with v4.11-rc2. Great. Thanks for testing! Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR