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Vivek Goyal c2d0ad00d9 virtiofs: implement dax read/write operations
This patch implements basic DAX support. mmap() is not implemented
yet and will come in later patches. This patch looks into implemeting
read/write.

We make use of interval tree to keep track of per inode dax mappings.

Do not use dax for file extending writes, instead just send WRITE message
to daemon (like we do for direct I/O path). This will keep write and
i_size change atomic w.r.t crash.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Peng Tao <tao.peng@linux.alibaba.com>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2020-09-10 11:39:23 +02:00
arch
block
certs
crypto
Documentation fuse: update project homepage 2020-09-04 11:32:10 +02:00
drivers dax: Modify bdev_dax_pgoff() to handle NULL bdev 2020-09-10 11:39:22 +02:00
fs virtiofs: implement dax read/write operations 2020-09-10 11:39:23 +02:00
include virtiofs: implement dax read/write operations 2020-09-10 11:39:23 +02:00
init
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MAINTAINERS fuse: update project homepage 2020-09-04 11:32:10 +02:00
Makefile Linux 5.9-rc3 2020-08-30 16:01:54 -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.

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.