PWX-34423: Add checksummed flag to volume spec

[vivekpx]

What this PR does / why we need it:
Added new flag --checksummed to volume spec for specifying integrity volumes

Which issue(s) this PR fixes (optional)
Closes #
or
PWX-34423

Testing Notes
Tested with pxctl changes

root@vpatidar-49-1:~\\# pxctl v c --checksum  vol1 
Checksummed Volume successfully created: 45299841310009306
root@vpatidar-49-1:~# pxctl v l
ID			NAME	SIZE	HA	SHARED	ENCRYPTED	PROXY-VOLUME	IO_PRIORITY	STATUS		SNAP-ENABLED	
45299841310009306	vol1	1 GiB	1	no	no		no		LOW		up - detached	no
root@vpatidar-49-1:~# pxctl host attach vol1 
Volume successfully attached at: /dev/mapper/pxd-enc45299841310009306
root@vpatidar-49-1:~# pxctl v i vol1 -j 
[{
 "id":  "45299841310009306",
 "source":  {
  "parent":  "",
  "seed":  ""
 },
 "group":  null,
 "readonly":  false,
 "locator":  {
  "name":  "vol1",
  "volume_labels":  {},
  "ownership":  null,
  "group":  null,
  "volume_ids":  []
 },
 "ctime":  "2023-11-08T04:40:24.512847585Z",
 "spec":  {
  "ephemeral":  false,
  "size":  "1073741824",
  "format":  "ext4",
  "block_size":  "4096",
  "ha_level":  "1",
  "cos":  "low",
  "io_profile":  "IO_PROFILE_SEQUENTIAL",
  "dedupe":  false,
  "snapshot_interval":  0,
  "volume_labels":  {},
  "shared":  false,
  "replica_set":  {
   "nodes":  [],
   "pool_uuids":  [],
   "id":  0
  },
  "aggregation_level":  1,
  "encrypted":  false,
  "passphrase":  "",
  "snapshot_schedule":  "",
  "scale":  1,
  "sticky":  false,
  "group":  null,
  "group_enforced":  false,
  "compressed":  false,
  "cascaded":  false,
  "journal":  false,
  "sharedv4":  false,
  "queue_depth":  128,
  "force_unsupported_fs_type":  false,
  "nodiscard":  false,
  "io_strategy":  {
   "async_io":  false,
   "early_ack":  false,
   "direct_io":  false
  },
  "placement_strategy":  null,
  "storage_policy":  "",
  "ownership":  null,
  "export_spec":  null,
  "fp_preference":  true,
  "xattr":  "COW_ON_DEMAND",
  "scan_policy":  {
   "trigger":  "on_mount",
   "action":  "scan_repair"
  },
  "mount_options":  null,
  "sharedv4_mount_options":  null,
  "proxy_write":  false,
  "proxy_spec":  null,
  "sharedv4_service_spec":  null,
  "sharedv4_spec":  null,
  "auto_fstrim":  false,
  "io_throttle":  {
   "read_iops":  0,
   "write_iops":  0,
   "read_bw_mbytes":  0,
   "write_bw_mbytes":  0
  },
  "number_of_chunks":  0,
  "readahead":  true,
  "topology_requirement":  null,
  "winshare":  false,
  "fa_create_options":  "",
  "near_sync":  false,
  "near_sync_replication_strategy":  "NEAR_SYNC_STRATEGY_NONE",
  "checksum_clone_id":  "",
  "checksummed":  true                                          <<--------------------------------
 },
 "usage":  "1073634432",
 "last_scan":  null,
 "format":  "ext4",
 "status":  "up",
 "state":  "attached",
 "attached_on":  "10.13.8.121",
 "attached_state":  "ATTACH_STATE_EXTERNAL",
 "device_path":  "/dev/mapper/pxd-enc45299841310009306",
 "secure_device_path":  "/dev/mapper/pxd-enc45299841310009306",
 "attach_path":  [],
 "attach_info":  {},
 "replica_sets":  [
  {
   "nodes":  [
    "4e6eacba-288d-41ff-aa5f-b26ff37f27d3"
   ],
   "pool_uuids":  [
    "f567a6bc-1169-464d-a5a0-7332d1367d8f"
   ],
   "id":  0
  }
 ],
 "runtime_state":  [
  {
   "runtime_state":  {
    "FullResyncBlocks":  "[{0 0} {-1 0} {-1 0} {-1 0} {-1 0}]",
    "ID":  "0",
    "PXReplReAddNodeMid":  "",
    "PXReplReAddPools":  "",
    "ReadQuorum":  "1",
    "ReadSet":  "[0]",
    "ReplNodePools":  "0",
    "ReplRemoveMids":  "",
    "ReplicaSetCreateMid":  "4e6eacba-288d-41ff-aa5f-b26ff37f27d3",
    "ReplicaSetCurr":  "[0]",
    "ReplicaSetCurrMid":  "4e6eacba-288d-41ff-aa5f-b26ff37f27d3",
    "ReplicaSetNext":  "[0]",
    "ReplicaSetNextMid":  "4e6eacba-288d-41ff-aa5f-b26ff37f27d3",
    "ResyncBlocks":  "[{0 0} {-1 0} {-1 0} {-1 0} {-1 0}]",
    "RuntimeState":  "clean",
    "TimestampBlocksPerNode":  "[0 0 0 0 0]",
    "TimestampBlocksTotal":  "0",
    "WriteQuorum":  "1",
    "WriteSet":  "[0]"
   }
  }
 ],
 "error":  "",
 "volume_consumers":  [],
 "fs_resize_required":  false,
 "attach_time":  "2023-11-08T04:40:44.816941336Z",
 "detach_time":  "2023-11-08T04:40:29.616381522Z",
 "fpConfig":  {
  "setup_on":  0,
  "promote":  true,
  "status":  "FASTPATH_ACTIVE",
  "replicas":  [
   {
    "dev_id":  "45299841310009306",
    "node_id":  0,
    "protocol":  "FASTPATH_PROTO_LOCAL",
    "acl":  true,
    "exported_device":  "/dev/pwx0/45299841310009306",
    "block":  true,
    "target":  "/dev/pwx0/45299841310009306",
    "exported":  true,
    "imported":  true,
    "devpath":  "/dev/pwx0/45299841310009306",
    "node_uuid":  "4e6eacba-288d-41ff-aa5f-b26ff37f27d3"
   }
  ],
  "dirty":  false,
  "coord_uuid":  "4e6eacba-288d-41ff-aa5f-b26ff37f27d3",
  "force_failover":  false,
  "verbose":  ""
 },
 "last_scan_fix":  null,
 "last_scan_status":  "FS_HEALTH_STATUS_UNKNOWN",
 "mount_options":  {
  "options":  {
   "discard":  ""
  }
 },
 "sharedv4_mount_options":  {
  "options":  {
   "actimeo":  "60",
   "proto":  "tcp",
   "retrans":  "2",
   "soft":  "",
   "timeo":  "600",
   "vers":  "3.0"
  }
 },
 "derived_io_profile":  "none",
 "in_trashcan":  false
}]

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