scsi: blkcg: Add app identifier support for blkcg

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Add a unique application identifier (i.e fc_app_id member) in blkcg. This
allows identification of traffic belonging to an specific both on the host
and in the fabric infrastructure. As an example, this allows the storage
stack to uniquely identify traffic belong to particular virtual machine.

Link: https://lore.kernel.org/r/20210608043556.274139-3-muneendra.kumar@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Muneendra Kumar <muneendra.kumar@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Muneendra Kumar 2021-06-08 10:05:45 +05:30 • committed by Martin K. Petersen

parent 6b658c4863

commit d2bcbeab42

3 changed files with 85 additions and 0 deletions

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include/linux/blk-cgroup.h

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