linux-kernel - [RFC v2 0/2] Fix gfs2 readahead deadlocks

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Message-Id: <20200703095325.1491832-1-agruenba@redhat.com>
Date:   Fri,  3 Jul 2020 11:53:23 +0200
From:   Andreas Gruenbacher <agruenba@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Matthew Wilcox <willy@...radead.org>,
        Dave Chinner <david@...morbit.com>,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andreas Gruenbacher <agruenba@...hat.com>
Subject: [RFC v2 0/2] Fix gfs2 readahead deadlocks

Here's an improved version.  If the IOCB_NOIO flag can be added right
away, we can just fix the locking in gfs2.

Thanks,
Andreas

Andreas Gruenbacher (2):
  fs: Add IOCB_NOIO flag for generic_file_read_iter
  gfs2: Rework read and page fault locking

 fs/gfs2/aops.c     | 45 +--------------------------------------
 fs/gfs2/file.c     | 52 ++++++++++++++++++++++++++++++++++++++++++++--
 include/linux/fs.h |  1 +
 mm/filemap.c       | 17 +++++++++++++--
 4 files changed, 67 insertions(+), 48 deletions(-)

-- 
2.26.2