Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1324588

Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences

From Matthew Wilcox <willy@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences
Date 2016-02-02 21:20 +0100
Message-ID <qXPAC-8mJ-13@gated-at.bofh.it> (permalink)
References (5 earlier) <qXMMr-6gE-9@gated-at.bofh.it> <qXN5O-6qA-57@gated-at.bofh.it> <qXNft-6ut-11@gated-at.bofh.it> <qXObx-7av-55@gated-at.bofh.it> <qXOuT-7C0-33@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Tue, Feb 02, 2016 at 10:59:41AM -0800, Dan Williams wrote:
> True, but in this case we're just trying to resolve the bdev for a
> inode / sector combination to already allocated storage.  So
> get_block() is a misnomer, this is just get_bdev() to resolve a
> super_block-inode+sector tuple to a bdev for cases when s_bdev is the
> wrong answer.

Then let's call it that.  i_ops->get_bdev(struct inode *inode, pgoff_t index)
And if it doesn't exist, use i_sb->s_bdev.

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-01-28 20:40 +0100
  Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-28 21:30 +0100
  Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Christoph Hellwig <hch@infradead.org> - 2016-01-28 22:40 +0100
    Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-01-29 19:30 +0100
      Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-01-30 00:40 +0100
        Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-30 01:20 +0100
        Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dave Chinner <david@fromorbit.com> - 2016-01-31 23:50 +0100
      Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-01-30 06:30 +0100
        Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-30 07:10 +0100
          Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jared Hulbert <jaredeh@gmail.com> - 2016-01-30 08:10 +0100
          Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-01-31 03:40 +0100
            Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <zwisler@gmail.com> - 2016-01-31 07:20 +0100
              Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-01-31 12:00 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-31 17:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-01-31 19:10 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-31 19:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-01-31 19:30 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-31 20:00 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-01-31 21:00 +0100
        Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-01 16:00 +0100
          Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-02-01 21:50 +0100
          Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dave Chinner <david@fromorbit.com> - 2016-02-01 22:50 +0100
            Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jared Hulbert <jaredeh@gmail.com> - 2016-02-02 07:10 +0100
              Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 07:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jared Hulbert <jaredeh@gmail.com> - 2016-02-02 09:10 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 18:00 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jared Hulbert <jaredeh@gmail.com> - 2016-02-02 22:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-02-03 01:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jared Hulbert <jaredeh@gmail.com> - 2016-02-03 02:30 +0100
            Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-02 12:20 +0100
              Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 17:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-02 17:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 18:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-02 18:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 18:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-02 19:30 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 18:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-02-02 19:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dan Williams <dan.j.williams@intel.com> - 2016-02-02 20:10 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Matthew Wilcox <willy@linux.intel.com> - 2016-02-02 21:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-03 12:10 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-03 11:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-03 21:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-04 10:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-05 00:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dave Chinner <david@fromorbit.com> - 2016-02-07 00:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-07 06:30 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-04 21:00 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-04 21:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-04 23:20 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-05 23:30 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dave Chinner <david@fromorbit.com> - 2016-02-07 00:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-07 07:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-08 14:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Christoph Hellwig <hch@infradead.org> - 2016-02-07 09:40 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-08 17:00 +0100
              Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-02 19:50 +0100
                Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-02 20:00 +0100
    Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-02 01:10 +0100
      Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Dave Chinner <david@fromorbit.com> - 2016-02-02 08:20 +0100
      Re: [PATCH 2/2] dax: fix bdev NULL pointer dereferences Jan Kara <jack@suse.cz> - 2016-02-02 11:40 +0100

csiph-web