From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 3/3] nvme: bio remapping tracepoint
Date: Thu, 7 Jun 2018 13:42:51 +0200 [thread overview]
Message-ID: <20180607114251.GA11119@lst.de> (raw)
In-Reply-To: <20180607133332.798a8bbc@pentland.suse.de>
On Thu, Jun 07, 2018@01:33:32PM +0200, Hannes Reinecke wrote:
> That would run afoul with device-mapper usage:
>
> case DM_MAPIO_REMAPPED:
> /* the bio has been remapped so dispatch it */
> trace_block_bio_remap(clone->bi_disk->queue, clone,
> bio_dev(io->orig_bio), sector);
> if (md->type == DM_TYPE_NVME_BIO_BASED)
> ret = direct_make_request(clone);
> else
> ret = generic_make_request(clone);
> break;
>
> and we can't move the call into generic_make_request().
> So I fear it need to stay there.
Or you could move it from dm to where it belongs..
next prev parent reply other threads:[~2018-06-07 11:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-07 8:38 [PATCH 0/3] misc nvme fixes Hannes Reinecke
2018-06-07 8:38 ` [PATCH 1/3] nvme: also check for RESETTING state in nvmf_check_if_ready() Hannes Reinecke
2018-06-07 8:41 ` Sagi Grimberg
2018-06-07 11:26 ` Christoph Hellwig
2018-06-12 21:20 ` James Smart
2018-06-07 8:38 ` [PATCH 2/3] nvme: do not access request after calling blk_mq_end_request() Hannes Reinecke
2018-06-07 8:42 ` Sagi Grimberg
2018-06-07 11:27 ` Christoph Hellwig
2018-06-07 8:38 ` [PATCH 3/3] nvme: bio remapping tracepoint Hannes Reinecke
2018-06-07 8:41 ` Sagi Grimberg
2018-06-07 11:27 ` Christoph Hellwig
2018-06-07 11:33 ` Hannes Reinecke
2018-06-07 11:42 ` Christoph Hellwig [this message]
2018-06-07 16:21 ` Jens Axboe
2018-06-11 14:26 ` Christoph Hellwig
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