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Add a new sysfs attribute, appid_store, which can be used to set the application identifier in the blkcg associated with a cgroup id. Below is the interface provided to set the app_id: echo "<cgroupid>:<appid>" >> /sys/class/fc/fc_udev_device/appid_store echo "457E:100000109b521d27" >> /sys/class/fc/fc_udev_device/appid_store Link: https://lore.kernel.org/r/20210608043556.274139-4-muneendra.kumar@broadcom.com Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Muneendra Kumar <muneendra.kumar@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.