Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it

From	Matthew Wilcox <willy@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it
Date	2017-04-06 15:40 +0200
Message-ID	<ttfNN-DZ-37@gated-at.bofh.it> (permalink)
References	(5 earlier) <tsA7U-7Nb-27@gated-at.bofh.it> <tsZfX-6W2-7@gated-at.bofh.it> <tt39U-162-7@gated-at.bofh.it> <tt5Op-2De-1@gated-at.bofh.it> <tt7ZT-4cz-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Apr 06, 2017 at 03:12:42PM +1000, NeilBrown wrote:
> On Wed, Apr 05 2017, Matthew Wilcox wrote:
> 
> > On Thu, Apr 06, 2017 at 10:02:48AM +1000, NeilBrown wrote:
> >> If you are concerned about space in 'struct address_space', just prune
> >> some wastage.
> >
> > I'm trying to (via wlists).  still buggy though.
> 
> Cool.
> (I wonder what a wlist is.... weighted list?)

A homonym ;-)  Waitlists.  Yet Another Variation of a doubly linked list.
This variation has only a single head pointer (like the hlist), allows
O(1) deletion from any point in the list (but requires that you know the
head of the list).  The tail of the list is pointed to by head->prev.

http://git.infradead.org/users/willy/linux-dax.git/shortlog/refs/heads/wlist

It also needs updating to the latest tree; WW locks got revamped.

Thread

[RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-03-31 21:30 +0200
  [RFC PATCH 2/4] dax: set errors in mapping when writeback fails Jeff Layton <jlayton@redhat.com> - 2017-03-31 21:30 +0200
  [RFC PATCH 1/4] fs: new infrastructure for writeback error handling and reporting Jeff Layton <jlayton@redhat.com> - 2017-03-31 21:30 +0200
    Re: [RFC PATCH 1/4] fs: new infrastructure for writeback error  handling and reporting Nikolay Borisov <nborisov@suse.com> - 2017-04-03 09:20 +0200
      Re: [RFC PATCH 1/4] fs: new infrastructure for writeback error  handling and reporting Jeff Layton <jlayton@redhat.com> - 2017-04-03 12:30 +0200
    Re: [RFC PATCH 1/4] fs: new infrastructure for writeback error  handling and reporting Matthew Wilcox <willy@infradead.org> - 2017-04-03 16:50 +0200
      Re: [RFC PATCH 1/4] fs: new infrastructure for writeback error  handling and reporting Jeff Layton <jlayton@redhat.com> - 2017-04-03 17:30 +0200
        Re: [RFC PATCH 1/4] fs: new infrastructure for writeback error  handling and reporting Matthew Wilcox <willy@infradead.org> - 2017-04-03 18:20 +0200
          Re: [RFC PATCH 1/4] fs: new infrastructure for writeback error  handling and reporting Jeff Layton <jlayton@redhat.com> - 2017-04-03 18:40 +0200
  [RFC PATCH 4/4] ext4: wire it up to the new writeback error reporting infrastructure Jeff Layton <jlayton@redhat.com> - 2017-03-31 21:30 +0200
  Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-03 06:30 +0200
    Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-03 12:30 +0200
      Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-03 16:40 +0200
        Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-03 19:50 +0200
          Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeremy Allison <jra@samba.org> - 2017-04-03 20:20 +0200
            Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-03 20:20 +0200
              Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeremy Allison <jra@samba.org> - 2017-04-03 20:40 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeremy Allison <jra@samba.org> - 2017-04-03 20:50 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-03 20:50 +0200
          Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-03 21:20 +0200
            Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-03 22:20 +0200
              Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-04 04:50 +0200
              Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-04 05:10 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-04 13:50 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-05 00:50 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-04 14:00 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-04 14:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-04 18:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-04 18:30 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-04 19:10 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-04 20:10 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-05 01:00 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-05 22:00 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-05 23:10 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-06 02:30 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-06 02:10 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-06 05:00 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-06 07:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-06 15:40 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-07 00:00 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-06 16:10 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-06 21:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-06 22:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-07 15:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-10 01:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-10 15:30 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-07 00:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-05 01:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Jeff Layton <jlayton@redhat.com> - 2017-04-05 13:20 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-06 02:50 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Theodore Ts'o <tytso@mit.edu> - 2017-04-04 15:40 +0200
                Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking infrastructure and convert ext4 to use it NeilBrown <neilb@suse.com> - 2017-04-05 00:30 +0200
    Re: [RFC PATCH 0/4] fs: introduce new writeback error tracking  infrastructure and convert ext4 to use it Matthew Wilcox <willy@infradead.org> - 2017-04-03 17:00 +0200

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