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1What: /sys/class/fc/fc_udev_device/appid_store2Date: Aug 20213Contact: Muneendra Kumar <muneendra.kumar@broadconm.com>4Description:5 This interface allows an admin to set an FC application6 identifier in the blkcg associated with a cgroup id. The7 identifier is typically a UUID that is associated with8 an application or logical entity such as a virtual9 machine or container group. The application or logical10 entity utilizes a block device via the cgroup id.11 FC adapter drivers may query the identifier and tag FC12 traffic based on the identifier. FC host and FC fabric13 entities can utilize the application id and FC traffic14 tag to identify traffic sources.15 16 The interface expects a string "<cgroupid>:<appid>" where:17 <cgroupid> is inode of the cgroup in hexadecimal18 <appid> is user provided string upto 128 characters19 in length.20 21 If an appid_store is done for a cgroup id that already22 has an appid set, the new value will override the23 previous value.24 25 If an admin wants to remove an FC application identifier26 from a cgroup, an appid_store should be done with the27 following string: "<cgroupid>:"28