Message ID | 1614835646-16217-1-git-send-email-muneendra.kumar@broadcom.com |
---|---|
Headers | show |
Series | blkcg:Support to track FC storage blk io traffic | expand |
On 3/4/21 6:27 AM, Muneendra wrote: > This Patch added a unique application identifier i.e > app_id knob to blkcg which allows identification of traffic > sources at an individual cgroup based Applications > (ex:virtual machine (VM))level in both host and > fabric infrastructure. > > Added a new sysfs attribute appid_store to set the application identfier > in the blkcg associted with cgroup id 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. > > This capability can be utilized by multiple block transport infrastructure > like fc,iscsi,roce. > > Existing FC fabric will use this feature and the description of > the use case is below. > > Various virtualization technologies used in Fibre Channel > SAN deployments have created the opportunity to identify > and associate traffic with specific virtualized applications. > The concepts behind the T11 Application Services standard is > to provide the general mechanisms needed to identify > virtualized services. > It enables the Fabric and the storage targets to > identify, monitor, and handle FC traffic > based on vm tags by inserting application specific identification > into the FC frame. > > The patches were cut against 5.12/scsi-queue tree > > v8: > Modified the structure member,log messages and function declarations > Added proper error codes and return values > > v7: > Modified the Kconfig comments > > v6: > Addressed the issues reported by kernel test robot > Modified the Kconfig files as per standard > > v5: > Renamed the function cgroup_get_from_kernfs_id to > cgroup_get_from_id. > > Moved the input validation at the beginning of the function in > Renamed the arguments appropriatley. > > Changed Return code to non-numeric/SymbolChanged Return code > to non-numeric/Symbol > > Modified the comments. > > v4: > Addressed the error reported by kernel test robot > > v3: > removed RFC. > > Renamed the functions and app_id to more specific > Addressed the reference leaks in blkcg_set_app_identifier > Added a new config BLK_CGROUP_FC_APPID and made changes to > select the same under SCSI_FC_ATTRS > > V2: > renamed app_identifier to app_id. > removed the sysfs interface blkio.app_identifie under > /sys/fs/cgroup/blkio > Ported the patch on top of 5.10/scsi-queue. > Removed redundant code due to changes since last submit. > Added a fix for issuing QFPA command. > > > > Gaurav Srivastava (12): > lpfc: vmid: Add the datastructure for supporting VMID in lpfc > lpfc: vmid: Supplementary data structures for vmid and APIs > lpfc: vmid: Forward declarations for APIs > lpfc: vmid: VMID params initialization > lpfc: vmid: Add support for vmid in mailbox command, does vmid > resource allocation and vmid cleanup > lpfc: vmid: Implements ELS commands for appid patch > lpfc: vmid: Functions to manage vmids > lpfc: vmid: Implements CT commands for appid. > lpfc: vmid: Appends the vmid in the wqe before sending > lpfc: vmid: Timeout implementation for vmid > lpfc: vmid: Adding qfpa and vmid timeout check in worker thread > lpfc: vmid: Introducing vmid in io path. > > Muneendra (4): > cgroup: Added cgroup_get_from_id > blkcg: Added a app identifier support for blkcg > nvme: Added a newsysfs attribute appid_store > scsi: Made changes in Kconfig to select BLK_CGROUP_FC_APPID > > block/Kconfig | 9 + > drivers/nvme/host/fc.c | 73 ++++++- > drivers/scsi/Kconfig | 13 ++ > drivers/scsi/lpfc/lpfc.h | 121 ++++++++++ > drivers/scsi/lpfc/lpfc_attr.c | 47 ++++ > drivers/scsi/lpfc/lpfc_crtn.h | 11 + > drivers/scsi/lpfc/lpfc_ct.c | 249 ++++++++++++++++++++- > drivers/scsi/lpfc/lpfc_disc.h | 1 + > drivers/scsi/lpfc/lpfc_els.c | 364 ++++++++++++++++++++++++++++++- > drivers/scsi/lpfc/lpfc_hbadisc.c | 153 +++++++++++++ > drivers/scsi/lpfc/lpfc_hw.h | 124 ++++++++++- > drivers/scsi/lpfc/lpfc_hw4.h | 12 + > drivers/scsi/lpfc/lpfc_init.c | 106 +++++++++ > drivers/scsi/lpfc/lpfc_mbox.c | 6 + > drivers/scsi/lpfc/lpfc_scsi.c | 337 ++++++++++++++++++++++++++++ > drivers/scsi/lpfc/lpfc_sli.c | 63 ++++++ > drivers/scsi/lpfc/lpfc_sli.h | 8 + > include/linux/blk-cgroup.h | 56 +++++ > include/linux/cgroup.h | 6 + > kernel/cgroup/cgroup.c | 26 +++ > 20 files changed, 1775 insertions(+), 10 deletions(-) > Hmm. Can you please include the existing 'Reviewed-by' tags? It's getting really hard to figure out which patches I've already reviewed and which needs an additional review. Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer