Re: [PATCH v2 3/4] block, scsi: Make SCSI device suspend and resume work reliably

2017-09-21 Thread Bart Van Assche
On Fri, 2017-09-22 at 06:04 +0800, Ming Lei wrote: > On Thu, Sep 21, 2017 at 02:22:54PM -0700, Bart Van Assche wrote: > > --- a/block/blk-core.c > > +++ b/block/blk-core.c > > @@ -1429,11 +1429,18 @@ struct request *blk_get_request(struct > > request_queue *q, unsigned int op, > >

Re: [PATCH v2 3/4] block, scsi: Make SCSI device suspend and resume work reliably

2017-09-21 Thread Ming Lei
On Thu, Sep 21, 2017 at 02:22:54PM -0700, Bart Van Assche wrote: > It is essential during suspend and resume that neither the filesystem > state nor the filesystem metadata in RAM changes. This is why while > the hibernation image is being written or restored that SCSI devices > are quiesced. The S