Thread (2 messages) 2 messages, 2 authors, 2016-01-07

Re: [PATCH 00/35 v2] separate operations from flags in the bio/request structs

From: Dave Chinner <david@fromorbit.com>
Date: 2016-01-07 03:14:09
Also in: dm-devel, linux-bcache, linux-btrfs, linux-f2fs-devel, linux-fsdevel, linux-raid, linux-scsi, linux-xfs, lkml, ocfs2-devel

On Wed, Jan 06, 2016 at 08:40:09PM -0500, Martin K. Petersen wrote:
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"Mike" == mchristi  [off-list ref] writes:
Mike> The following patches begin to cleanup the request->cmd_flags and
bio-> bi_rw mess. We currently use cmd_flags to specify the operation,
Mike> attributes and state of the request. For bi_rw we use it for
Mike> similar info and also the priority but then also have another
Mike> bi_flags field for state. At some point, we abused them so much we
Mike> just made cmd_flags 64 bits, so we could add more.

Mike> The following patches seperate the operation (read, write discard,
Mike> flush, etc) from cmd_flags/bi_rw.

Mike> This patchset was made against linux-next from today Jan 5 2016.
Mike> (git tag next-20160105).

Very nice work. Thanks for doing this!

I think it's a much needed cleanup. I focused mainly on the core block,
discard, write same and sd.c pieces and everything looks sensible to me.

I wonder what the best approach is to move a patch set with this many
stakeholders forward? Set a "speak now or forever hold your peace"
review deadline?
I say just ask Linus to pull it immediately after the next merge
window closes....

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com
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