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Allow creating non-default ANA groups (group ID > 1). Groups are created either by assigning the group ID to a namespace, or by creating a configfs group object under a specific port. All namespaces assigned to a group that doesn't have a configfs object for a given port are marked as inaccessible. Allow changing the ANA state on a per-port basis by creating an ana_groups directory under each port, and another directory with an ana_state file in it. The default ANA group 1 directory is created automatically for each port. For all changes in ANA configuration the ANA change AEN is sent. We only keep a global changecount instead of additional per-group changecounts to keep the implementation as simple as possible. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
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.