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In an attempt to dedup ~100 LOC, we ended up creating a tangled call chain, whose branches merge and diverge in several points according to the immutable c->tmpfile copy up mode. This call chain was hard to analyse for locking correctness because the locking requirements for the c->tmpfile flow were very different from the locking requirements for the !c->tmpfile flow (i.e. directory vs. regulare file copy up). Split the copy up helpers of the c->tmpfile flow from those of the !c->tmpfile (i.e. workdir) flow and remove the c->tmpfile mode from copy up context. Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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.