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ed78a2e6ff
fscrypt_initialize() is a "one-time init" function that is called whenever the key is set up for any inode on any filesystem. Make it implement "one-time init" more efficiently by not taking a global mutex in the "already initialized case" and doing fewer pointer dereferences. Link: https://lore.kernel.org/r/20230406181245.36091-1-ebiggers@kernel.org 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.
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.