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From: Mike Snitzer <snitzer@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: jaxboe@fusionio.com, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-ide@vger.kernel.org, linux-raid@vger.kernel.org,
	hch@lst.de, James.Bottomley@suse.de, tytso@mit.edu,
	chris.mason@oracle.com, swhiteho@redhat.com,
	konishi.ryusuke@lab.ntt.co.jp, dm-devel@redhat.com, vst@vlnb.net,
	jack@suse.cz, rwheeler@redhat.com, hare@suse.de, neilb@suse.de,
	rusty@rustcorp.com.au, mst@redhat.com, jeremy@goop.org,
	k-ueda@ct.jp.nec.com
Subject: Re: [PATCHSET 2.6.36-rc2] block, fs: replace HARDBARRIER with FLUSH/FUA
Date: Wed, 25 Aug 2010 12:03:03 -0400	[thread overview]
Message-ID: <20100825160302.GC8509@redhat.com> (raw)
In-Reply-To: <1282751267-3530-1-git-send-email-tj@kernel.org>

On Wed, Aug 25 2010 at 11:47am -0400,
Tejun Heo <tj@kernel.org> wrote:

> Hello,
> 
> This patchset is combination of the following three patchset.
> 
>  [1] block: replace barrier with sequenced flush
>  [2] block: convert to REQ_FLUSH/FUA
>  [3] replace barriers with explicit flush / FUA usage
> 
> Changes from the previous postings are,
> 
> * Rebased on top of 2.6.36-rc2 (502adf5778f4151dcba3f64dd6ed322151f3712c)

Awesome, thanks!

> * dm conversion is excluded for now.
...
> I've audited all make_request drivers and after this patchset only
> blktrace, dm, drbd and xen need more work.  I'll work on blktrace and
> dm

OK, once you have the DM patch refreshed I'll jump in with further
changes (SCSI error differentiation in mpath) and more careful review of
the DM changes (both bio-based and request-based).

Thanks again!
Mike

  parent reply	other threads:[~2010-08-25 16:03 UTC|newest]

Thread overview: 114+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-25 15:47 [PATCHSET 2.6.36-rc2] block, fs: replace HARDBARRIER with FLUSH/FUA Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 01/30] ide: remove unnecessary blk_queue_flushing() test in do_ide_request() Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 02/30] block/loop: queue ordered mode should be DRAIN_FLUSH Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 03/30] block: kill QUEUE_ORDERED_BY_TAG Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 04/30] block: deprecate barrier and replace blk_queue_ordered() with blk_queue_flush() Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-30 15:37   ` Boaz Harrosh
2010-08-30 15:37     ` Boaz Harrosh
2010-08-30 15:37     ` Boaz Harrosh
2010-08-25 15:47 ` [PATCH 05/30] block: remove spurious uses of REQ_HARDBARRIER Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 06/30] block: misc cleanups in barrier code Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 07/30] block: drop barrier ordering by queue draining Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 08/30] block: rename blk-barrier.c to blk-flush.c Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 09/30] block: rename barrier/ordered to flush Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 10/30] block: implement REQ_FLUSH/FUA based interface for FLUSH/FUA requests Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 11/30] block: filter flush bio's in __generic_make_request() Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 12/30] block: use REQ_FLUSH in blkdev_issue_flush() Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 13/30] block: simplify queue_next_fseq Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 14/30] block/loop: implement REQ_FLUSH/FUA support Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 15/30] virtio_blk: drop REQ_HARDBARRIER support Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 16/30] lguest: replace VIRTIO_F_BARRIER support with VIRTIO_F_FLUSH support Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 17/30] md: implment REQ_FLUSH/FUA support Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 18/30] block: pass gfp_mask and flags to sb_issue_discard Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 19/30] xfs: replace barriers with explicit flush / FUA usage Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 20/30] btrfs: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 21/30] gfs2: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 22/30] reiserfs: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 23/30] nilfs2: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 24/30] jbd: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 25/30] jbd2: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 26/30] ext4: do not send discards as barriers Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:58   ` Christoph Hellwig
2010-08-25 15:58     ` Christoph Hellwig
2010-08-25 16:00     ` Christoph Hellwig
2010-08-25 15:57       ` Tejun Heo
2010-08-25 20:02         ` Jan Kara
2010-08-26  8:25           ` Tejun Heo
2010-08-27 17:31             ` Jan Kara
2010-08-30 19:56               ` Jeff Moyer
2010-08-30 20:20                 ` Jan Kara
2010-08-30 20:24                   ` Ric Wheeler
2010-08-30 20:39                   ` Vladislav Bolkhovitin
2010-08-30 21:02                     ` Jan Kara
2010-08-31  9:55                       ` Boaz Harrosh
2010-09-02 18:46                         ` Vladislav Bolkhovitin
2010-08-30 21:01                   ` Jeff Moyer
2010-08-31  8:11                   ` Tejun Heo
2010-08-31 10:07                     ` Boaz Harrosh
2010-08-31 10:13                       ` Tejun Heo
2010-08-31 10:27                         ` Boaz Harrosh
2010-09-09 22:53                     ` Jan Kara
2010-09-10 16:59                     ` Virtual unplug (was Re: [PATCH 26/30] ext4: do not send discards as barriers) John Robinson
2010-08-25 15:47 ` [PATCH 26/30] ext4: do not send discards as barriers Tejun Heo
2010-08-25 15:47 ` [PATCH 27/30] fat: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` [PATCH 28/30] swap: " Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 29/30] block: remove the BLKDEV_IFL_BARRIER flag Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 15:59   ` Christoph Hellwig
2010-08-25 15:59     ` Christoph Hellwig
2010-08-25 15:47 ` Tejun Heo
2010-08-25 15:47 ` [PATCH 30/30] block: remove the BH_Eopnotsupp flag Tejun Heo
2010-08-25 15:47   ` Tejun Heo
2010-08-25 16:03 ` Mike Snitzer [this message]
2010-08-26  8:23 ` [PATCH 24.5/30] jbd2: Modify ASYNC_COMMIT code to not rely on queue draining on barrier Tejun Heo
2010-08-26  8:23 ` Tejun Heo
2010-08-26  8:23   ` Tejun Heo
2010-08-26  8:23   ` Tejun Heo
2010-08-26  9:33   ` Sergei Shtylyov
2010-08-26  9:37   ` [PATCH UPDATED " Tejun Heo
2010-08-26  9:37     ` Tejun Heo
2010-08-26  9:37   ` Tejun Heo
2010-09-06 11:15   ` [PATCH " Andreas Dilger
2010-09-06 11:40     ` Jan Kara
2010-08-26  9:54 ` [PATCH] block: update documentation for REQ_FLUSH / REQ_FUA Christoph Hellwig
2010-08-27  9:18   ` Tejun Heo

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