linux-kernel - [RFC v3 0/2] Fix gfs2 readahead deadlocks

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Date:   Tue,  7 Jul 2020 16:44:55 +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>,
        Jens Axboe <axboe@...nel.dk>, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andreas Gruenbacher <agruenba@...hat.com>
Subject: [RFC v3 0/2] Fix gfs2 readahead deadlocks

In the previous version, we could end up calling ->readpage without
checking IOCB_NOIO.

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       | 23 ++++++++++++++++++--
 4 files changed, 73 insertions(+), 48 deletions(-)

-- 
2.26.2