Re: [PATCH 2/3] block: fix locking for struct block_device size updates

2020-08-24 Thread Sagi Grimberg
Reviewed-by: Sagi Grimberg

Re: [PATCH 2/3] block: fix locking for struct block_device size updates

2020-08-24 Thread Hannes Reinecke
On 8/23/20 11:10 AM, Christoph Hellwig wrote: > Two different callers use two different mutexes for updating the > block device size, which obviously doesn't help to actually protect > against concurrent updates from the different callers. In addition > one of the locks, bd_mutex is rather prone t