On Wed, Apr 07, 2021 at 04:36:27AM +0530, Muneendra wrote: > Added a new sysfs attribute appid_store under > /sys/class/fc/fc_udev_device/* > > With this new interface the user can set the application identfier > in the blkcg associted with cgroup id. > > Once the application identifer has set with this interface it allows > identification of traffic sources at an individual cgroup based > Applications (ex:virtual machine (VM))level in both host and > fabric infrastructure(FC). > > 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 > > Reviewed-by: Hannes Reinecke <hare@xxxxxxx> > Signed-off-by: Muneendra <muneendra.kumar@xxxxxxxxxxxx> > > --- > v9: > No change > > v8: > No change > > v7: > No change > > v6: > No change > > v5: > Replaced APPID_LEN with FC_APPID_LEN > > v4: > No change > > v3: > Replaced blkcg_set_app_identifier function with blkcg_set_fc_appid > > v2: > New Patch > --- > drivers/nvme/host/fc.c | 73 +++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 72 insertions(+), 1 deletion(-) Hmm, I wonder why only NVMe-FC? Or is this just for the moment? We also have the FC transport class for SCSI; I assume this could feed the same IDs into the LLDs.
