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Re: Let's get a File & Storage miniconf going at LPC2015!

To: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Subject: Re: Let's get a File & Storage miniconf going at LPC2015!
From: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Date: Tue, 19 May 2015 08:42:00 -0700
Cc: Ric Wheeler <ricwheeler@xxxxxxxxx>, Linux FS Devel <linux-fsdevel@xxxxxxxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>, device-mapper development <dm-devel@xxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
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On Fri, May 15, 2015 at 01:58:25PM -0700, Darrick J. Wong wrote:
> We of course are not limited to just those topics -- if there's something
> you'd really like to discuss with everyone, please add that to the wiki.
> I realize that mid-August is family vacation time for many people, but
> those are the constraints the conference has to work with this year.
> There are fun things to do around Seattle, and that's probably the best
> time of year to visit.

It's getting near time for the big bcachefs announcement :)

Also, stable pages - what's been going on there? Last I heard you were talking
about using the page migration code to do COW, did anything come of that? I just
added data checksumming/compression to bcachefs, so that's been fresh on my

Also, there's probably always going to be situations where we're reading or
writing to pages user space can stomp on (dio) - IMO we need to add a bio flag
to annotate this - "if you need this to be stable you have to bounce it".
Otherwise either filesystems/block drivers are going to be stuck bouncing
everything, or it'll just (continue to be) buggy.

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