From: Christoph Hellwig <hch@lst.de>
To: Ming Lin <mlin@kernel.org>
Cc: Mike Snitzer <snitzer@redhat.com>, Neil Brown <neilb@suse.de>,
Ming Lei <ming.lei@canonical.com>,
Keith Busch <keith.busch@intel.com>,
dm-devel@redhat.com, Joshua Morris <josh.h.morris@us.ibm.com>,
Alasdair Kergon <agk@redhat.com>,
Lars Ellenberg <drbd-dev@lists.linbit.com>,
Philip Kelleher <pjk1939@linux.vnet.ibm.com>,
Christoph Hellwig <hch@infradead.org>,
Kent Overstreet <kent.overstreet@gmail.com>,
Nitin Gupta <ngupta@vflare.org>,
Oleg Drokin <oleg.drokin@intel.com>,
Al Viro <viro@zeniv.linux.org.uk>, Jens Axboe <axboe@kernel.dk>,
Andreas Dilger <andreas.dilger@intel.com>,
Geoff Levand <geoff@infradead.org>, Jiri Kosina <jkosina@suse.cz>,
linux-kernel@vger.kernel.org, Jim Paris <jim@jtan.com>,
Minchan Kim <minchan@kernel.org>, Christoph Hellwig <hch@lst.de>,
drbd-user@lists.linbit.com
Subject: Re: [Drbd-dev] [PATCH 01/10] block: make generic_make_request handle arbitrarily sized bios
Date: Tue, 28 Apr 2015 13:43:20 +0200 [thread overview]
Message-ID: <20150428114320.GA9790@lst.de> (raw)
In-Reply-To: <1430203717-13307-2-git-send-email-mlin@kernel.org>
This seems to lack support for QUEUE_FLAG_SG_GAPS to work around
the retarded PPR format in the NVMe driver. I'm actually not
sure we have a way to reproduce them for BLOCK_PC requests, but I think
we should make sure to properly handle them.
Maybe Keith or Jens have a good reproducer for these.
next prev parent reply other threads:[~2015-05-07 9:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1430203717-13307-1-git-send-email-mlin@kernel.org>
2015-04-28 6:48 ` [Drbd-dev] [PATCH 01/10] block: make generic_make_request handle arbitrarily sized bios Ming Lin
2015-04-28 11:43 ` Christoph Hellwig [this message]
2015-04-28 16:01 ` Keith Busch
2015-05-06 6:08 ` Ming Lin
2015-05-06 6:48 ` Christoph Hellwig
2015-05-06 7:13 ` Ming Lin
2015-04-28 6:48 ` [Drbd-dev] [PATCH 07/10] block: kill merge_bvec_fn() completely Ming Lin
2015-04-28 17:31 ` Alasdair G Kergon
2015-04-29 6:32 ` Ming Lin
2015-04-28 22:09 ` NeilBrown
2015-05-04 7:47 ` Ming Lin
2015-05-06 7:10 ` Ming Lin
2015-05-06 7:26 ` Christoph Hellwig
2015-05-06 17:05 ` Ming Lin
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