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From: martin.petersen@oracle.com (Martin K. Petersen)
Subject: [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard, write_same}
Date: Wed, 21 Oct 2015 12:33:07 -0400	[thread overview]
Message-ID: <yq1mvvcfags.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20151021161947.GA5212@redhat.com> (Mike Snitzer's message of "Wed, 21 Oct 2015 12:19:47 -0400")

>>>>> "Mike" == Mike Snitzer <snitzer at redhat.com> writes:

>> That should work for all devices and for dm-thinp (and dm-cache) in
>> particular will ensure that all discards that are issued will be a
>> multiple of the underlying device's blocksize.

Mike> Jeff Moyer pointed out having req_sects be a factor of
Mike> discard_granularity makes more sense.

Absolutely!

-- 
Martin K. Petersen	Oracle Linux Engineering

WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>, Ming Lin <mlin@kernel.org>,
	lkml <linux-kernel@vger.kernel.org>, Jens Axboe <axboe@kernel.dk>,
	Kent Overstreet <kent.overstreet@gmail.com>,
	Dongsu Park <dpark@posteo.net>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Ming Lin <ming.l@ssi.samsung.com>,
	linux-nvme@lists.infradead.org
Subject: Re: [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard,write_same}
Date: Wed, 21 Oct 2015 12:33:07 -0400	[thread overview]
Message-ID: <yq1mvvcfags.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20151021161947.GA5212@redhat.com> (Mike Snitzer's message of "Wed, 21 Oct 2015 12:19:47 -0400")

>>>>> "Mike" == Mike Snitzer <snitzer@redhat.com> writes:

>> That should work for all devices and for dm-thinp (and dm-cache) in
>> particular will ensure that all discards that are issued will be a
>> multiple of the underlying device's blocksize.

Mike> Jeff Moyer pointed out having req_sects be a factor of
Mike> discard_granularity makes more sense.

Absolutely!

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2015-10-21 16:33 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-12  7:07 [PATCH v6 00/11] simplify block layer based on immutable biovecs Ming Lin
     [not found] ` <1439363241-31772-1-git-send-email-mlin-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2015-08-12  7:07   ` [PATCH v6 01/11] block: make generic_make_request handle arbitrarily sized bios Ming Lin
2015-08-12  7:07     ` Ming Lin
2015-08-12  7:07     ` [Drbd-dev] " Ming Lin
2015-08-12  7:07 ` [PATCH v6 02/11] block: simplify bio_add_page() Ming Lin
2015-08-12  7:07 ` [PATCH v6 03/11] bcache: remove driver private bio splitting code Ming Lin
2016-01-08  1:53   ` Eric Wheeler
2016-01-13  2:00     ` Eric Wheeler
2016-01-13  5:54       ` Vojtech Pavlik
2016-01-13 23:03         ` Eric Wheeler
2015-08-12  7:07 ` [PATCH v6 04/11] btrfs: remove bio splitting and merge_bvec_fn() calls Ming Lin
2015-08-12  7:07 ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard,write_same} Ming Lin
2015-10-13 11:50   ` Christoph Hellwig
2015-10-13 11:50     ` Christoph Hellwig
2015-10-13 17:44     ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard, write_same} Ming Lin
2015-10-13 17:44       ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard,write_same} Ming Lin
2015-10-14 13:27       ` Christoph Hellwig
2015-10-14 13:27         ` Christoph Hellwig
2015-10-14 16:38         ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard,write_same}B Keith Busch
2015-10-14 16:38           ` Keith Busch
2015-10-14 16:50           ` Christoph Hellwig
2015-10-14 16:50             ` Christoph Hellwig
2015-10-21 16:02         ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard,write_same} Mike Snitzer
2015-10-21 16:02           ` Mike Snitzer
2015-10-21 16:19           ` Mike Snitzer
2015-10-21 16:19             ` Mike Snitzer
2015-10-21 16:33             ` Martin K. Petersen [this message]
2015-10-21 16:33               ` Martin K. Petersen
2015-10-21 17:33             ` Ming Lin
2015-10-21 17:33               ` Ming Lin
2015-10-21 18:18               ` Mike Snitzer
2015-10-21 18:18                 ` Mike Snitzer
2015-10-21 20:13                 ` Ming Lin
2015-10-21 20:13                   ` Ming Lin
2015-10-22 10:24                   ` Christoph Hellwig
2015-10-22 10:24                     ` Christoph Hellwig
2015-10-22 11:22                     ` Christoph Hellwig
2015-10-22 11:22                       ` Christoph Hellwig
2015-10-21  7:21       ` Christoph Hellwig
2015-10-21  7:21         ` Christoph Hellwig
2015-10-21 13:39         ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard, write_same} Jeff Moyer
2015-10-21 13:39           ` [PATCH v6 05/11] block: remove split code in blkdev_issue_{discard,write_same} Jeff Moyer
2015-10-21 15:01           ` Ming Lin
2015-10-21 15:01             ` Ming Lin
2015-10-21 15:33             ` Mike Snitzer
2015-10-21 15:33               ` Mike Snitzer
2015-10-21 17:18               ` Ming Lin
2015-10-21 17:18                 ` Ming Lin
2015-08-12  7:07 ` [PATCH v6 06/11] md/raid5: split bio for chunk_aligned_read Ming Lin
2015-08-12  7:07 ` [PATCH v6 07/11] md/raid5: get rid of bio_fits_rdev() Ming Lin
2015-08-12  7:07 ` [PATCH v6 08/11] block: kill merge_bvec_fn() completely Ming Lin
2015-08-12  7:07   ` [Drbd-dev] " Ming Lin
2015-08-12  7:07 ` [PATCH v6 09/11] fs: use helper bio_add_page() instead of open coding on bi_io_vec Ming Lin
2015-08-12  7:07 ` [PATCH v6 10/11] block: remove bio_get_nr_vecs() Ming Lin
2015-08-12  7:07 ` [PATCH v6 11/11] Documentation: update notes in biovecs about arbitrarily sized bios Ming Lin
2015-08-13 16:51 ` [PATCH v6 00/11] simplify block layer based on immutable biovecs Jens Axboe
2015-08-13 17:03   ` Ming Lin
2015-08-13 17:07     ` Jens Axboe
2015-08-13 17:36       ` Ming Lin

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