Murphy Zhou 4f6c9caf7b ovl: add splice file read write helper
[ Upstream commit 1a980b8cbf0059a5308eea61522f232fd03002e2 ]

Now overlayfs falls back to use default file splice read
and write, which is not compatiple with overlayfs, returning
EFAULT. xfstests generic/591 can reproduce part of this.

Tested this patch with xfstests auto group tests.

Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-08-26 08:36:19 -04:00
2021-08-26 08:36:19 -04:00
2021-08-26 08:36:16 -04:00
2021-06-30 08:47:44 -04:00
2021-08-26 08:36:17 -04:00
2019-09-22 10:34:46 -07:00
2019-11-10 13:41:59 -08:00
2021-08-18 08:57:05 +02:00

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.
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