Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) What:		/sys/block/dm-<num>/dm/name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) Date:		January 2009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) KernelVersion:	2.6.29
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) Contact:	dm-devel@redhat.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) Description:	Device-mapper device name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 		Read-only string containing mapped device name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) Users:		util-linux, device-mapper udev rules
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) What:		/sys/block/dm-<num>/dm/uuid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Date:		January 2009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) KernelVersion:	2.6.29
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) Contact:	dm-devel@redhat.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) Description:	Device-mapper device UUID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		Read-only string containing DM-UUID or empty string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		if DM-UUID is not set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) Users:		util-linux, device-mapper udev rules
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) What:		/sys/block/dm-<num>/dm/suspended
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) Date:		June 2009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) KernelVersion:	2.6.31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) Contact:	dm-devel@redhat.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) Description:	Device-mapper device suspend state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		Contains the value 1 while the device is suspended.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		Otherwise it contains 0. Read-only attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) Users:		util-linux, device-mapper udev rules
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) What:		/sys/block/dm-<num>/dm/rq_based_seq_io_merge_deadline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) Date:		March 2015
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) KernelVersion:	4.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) Contact:	dm-devel@redhat.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) Description:	Allow control over how long a request that is a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		reasonable merge candidate can be queued on the request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		queue.  The resolution of this deadline is in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		microseconds (ranging from 1 to 100000 usecs).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		Setting this attribute to 0 (the default) will disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		request-based DM's merge heuristic and associated extra
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		accounting.  This attribute is not applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		bio-based DM devices so it will only ever report 0 for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) What:		/sys/block/dm-<num>/dm/use_blk_mq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) Date:		March 2015
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) KernelVersion:	4.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) Contact:	dm-devel@redhat.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) Description:	Request-based Device-mapper blk-mq I/O path mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		Contains the value 1 if the device is using blk-mq.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 		Otherwise it contains 0. Read-only attribute.