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932301a530fc11030c7b75c767ccf2a5a09f12c6
Return ENOPKG rather than ENOENT when trying to open a file that's encrypted using algorithms not available in the kernel's crypto API. This avoids an ambiguity, since ENOENT is also returned when the file doesn't exist. Note: this is the same approach I'm taking for fs-verity. Signed-off-by: Eric Biggers <ebiggers@google.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.
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