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b8f35fa118
At present kernfs_notify_list is implemented as a singly linked list of kernfs_node(s), where last element points to itself and value of ->attr.next tells if node is present on the list or not. Both addition and deletion to list happen under kernfs_notify_lock. Change kernfs_notify_list to llist so that addition to list can heppen locklessly. Suggested by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Imran Khan <imran.f.khan@oracle.com> Link: https://lore.kernel.org/r/20220615021059.862643-3-imran.f.khan@oracle.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.