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Dave Jiang 41c9b1be33 device-dax: Add missing address_space_operations
With address_space_operations missing for device dax, namely the
.set_page_dirty, we hit a kernel warning when running destructive
ndctl unit test: make TESTS=device-dax check

WARNING: CPU: 3 PID: 7380 at fs/buffer.c:581 __set_page_dirty+0xb1/0xc0

Setting address_space_operations to noop_set_page_dirty and
noop_invalidatepage for device dax to prevent fallback to
__set_page_dirty_buffers() and block_invalidatepage() respectively.

Fixes: 2232c6382a ("device-dax: Enable page_mapping()")

Acked-by: Jeff Moyer <jmoyer@redhat.com>
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-09-22 09:07:33 -07:00
arch Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-09 07:05:15 -07:00
block
certs
crypto
Documentation Fix things so the choice of whether or not to trust RDRAND to 2018-09-09 05:54:05 -07:00
drivers device-dax: Add missing address_space_operations 2018-09-22 09:07:33 -07:00
firmware
fs filesystem-dax: Fix use of zero page 2018-09-11 21:27:44 -07:00
include uaccess: Fix is_source param for check_copy_size() in copy_to_iter_mcsafe() 2018-09-12 14:58:47 -07:00
init
ipc
kernel Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-09 06:55:27 -07:00
lib
LICENSES
mm
net
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scripts Kbuild fixes for v4.19 2018-09-09 05:42:11 -07:00
security
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tools
usr
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.clang-format
.cocciconfig
.get_maintainer.ignore
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Makefile Linux 4.19-rc3 2018-09-09 17:26:43 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.