On Mon 26-02-18 09:04:40, Jens Axboe wrote: > On 2/26/18 5:01 AM, Jan Kara wrote: > > Hello, > > > > these patches fix races happening when devices are frequently destroyed and > > recreated in association of block device inode with corresponding gendisk. > > Generally when such race happen it results in use-after-free issues, block > > device page cache inconsistencies, or other problems. I have verified these > > patches fix use-after-free issues that could be reproduced by frequent creation > > and destruction of loop device. Hou Tao has verified that races reported by > > him in [1] related to gendisk-blkdev association were also fixed. Jens, can > > you please merge these patches? Thanks! > > What are you thinking in terms of target? I'd like to get it into 4.16, > but I'd need to know if you are comfortable with that. Yeah, 4.16 should be OK. The patches are quite conservative. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR