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Al Viro
2e2cbaf920
this is one of the cases where we need to use d_real() - we are using more than the name of dentry here. ->d_sb is used as well, so in case of hostfs being used as a layer we get the wrong superblock. Reported-by: Johannes Berg <johannes@sipsolutions.net> Tested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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.