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Message-ID: <20200806144135.GC4520@mtj.thefacebook.com> References: <1596507196-27417-1-git-send-email-muneendra.kumar@broadcom.com> <1596507196-27417-17-git-send-email-muneendra.kumar@broadcom.com> <61d2fd75-84ea-798b-aee9-b07957ac8f1b@suse.de> <08b9825b-6abb-c077-ac0d-bd63f10f2ac2@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hello, On Thu, Aug 06, 2020 at 06:04:36PM +0530, Muneendra Kumar M wrote: > 1) blkcg will have a new field to store driver specific information as > "blkio_cg_ priv_data"(in the current patch it is app_identifier) as Tejun > said he doesn’t mind cgroup data structs carrying extra bits for stuff. I'd make it something more specific - lpfc_app_id or something along that line. > 2) scsi transport will provide a new interface(sysfs) as register_vm_fabric > 3) As part of this interface user/deamon will provide the details of VM such > as UUID,PID on VM creation to the transport . > 4) With VM PID information we need to find the associated blkcg and needs to > update the UUID info in blkio_cg_ priv_data. You can pass in cgroup ID or open fd to uniquely identify a cgroup. Thanks. -- tejun