Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) What:		/sys/class/ubi/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 		The ubi/ class sub-directory belongs to the UBI subsystem and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 		provides general UBI information, per-UBI device information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 		and per-UBI volume information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) What:		/sys/class/ubi/version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 		This file contains version of the latest supported UBI on-media
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 		format. Currently it is 1, and there is no plan to change this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 		However, if in the future UBI needs on-flash format changes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 		which cannot be done in a compatible manner, a new format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 		version will be added. So this is a mechanism for possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 		future backward-compatible (but forward-incompatible)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 		improvements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) What:		/sys/class/ubiX/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 		The /sys/class/ubi0, /sys/class/ubi1, etc directories describe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		UBI devices (UBI device 0, 1, etc). They contain general UBI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 		device information and per UBI volume information (each UBI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		device may have many UBI volumes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) What:		/sys/class/ubi/ubiX/avail_eraseblocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 		Amount of available logical eraseblock. For example, one may
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		create a new UBI volume which has this amount of logical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		eraseblocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) What:		/sys/class/ubi/ubiX/bad_peb_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		Count of bad physical eraseblocks on the underlying MTD device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) What:		/sys/class/ubi/ubiX/bgt_enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		Contains ASCII "0\n" if the UBI background thread is disabled,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		and ASCII "1\n" if it is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) What:		/sys/class/ubi/ubiX/dev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		Major and minor numbers of the character device corresponding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		to this UBI device (in <major>:<minor> format).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) What:		/sys/class/ubi/ubiX/eraseblock_size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		Maximum logical eraseblock size this UBI device may provide. UBI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		volumes may have smaller logical eraseblock size because of their
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		alignment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) What:		/sys/class/ubi/ubiX/max_ec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		Maximum physical eraseblock erase counter value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) What:		/sys/class/ubi/ubiX/max_vol_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		Maximum number of volumes which this UBI device may have.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) What:		/sys/class/ubi/ubiX/min_io_size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		Minimum input/output unit size. All the I/O may only be done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		in fractions of the contained number.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) What:		/sys/class/ubi/ubiX/mtd_num
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) Date:		January 2008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) KernelVersion:	2.6.25
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		Number of the underlying MTD device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) What:		/sys/class/ubi/ubiX/reserved_for_bad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		Number of physical eraseblocks reserved for bad block handling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) What:		/sys/class/ubi/ubiX/ro_mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) Date:		April 2016
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) KernelVersion:	4.7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) Contact:	linux-mtd@lists.infradead.org
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		Contains ASCII "1\n" if the read-only flag is set on this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		device, and "0\n" if it is cleared. UBI devices mark themselves
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		as read-only when they detect an unrecoverable error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) What:		/sys/class/ubi/ubiX/total_eraseblocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		Total number of good (not marked as bad) physical eraseblocks on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		the underlying MTD device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) What:		/sys/class/ubi/ubiX/volumes_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		Count of volumes on this UBI device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) What:		/sys/class/ubi/ubiX/ubiX_Y/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		The /sys/class/ubi/ubiX/ubiX_0/, /sys/class/ubi/ubiX/ubiX_1/,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		etc directories describe UBI volumes on UBI device X (volumes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		0, 1, etc).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) What:		/sys/class/ubi/ubiX/ubiX_Y/alignment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		Volume alignment - the value the logical eraseblock size of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		this volume has to be aligned on. For example, 2048 means that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		logical eraseblock size is multiple of 2048. In other words,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		volume logical eraseblock size is UBI device logical eraseblock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		size aligned to the alignment value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) What:		/sys/class/ubi/ubiX/ubiX_Y/corrupted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		Contains ASCII "0\n" if the UBI volume is OK, and ASCII "1\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		if it is corrupted (e.g., due to an interrupted volume update).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) What:		/sys/class/ubi/ubiX/ubiX_Y/data_bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		The amount of data this volume contains. This value makes sense
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		only for static volumes, and for dynamic volume it equivalent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		to the total volume size in bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) What:		/sys/class/ubi/ubiX/ubiX_Y/dev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		Major and minor numbers of the character device corresponding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		to this UBI volume (in <major>:<minor> format).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) What:		/sys/class/ubi/ubiX/ubiX_Y/name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		Volume name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) What:		/sys/class/ubi/ubiX/ubiX_Y/reserved_ebs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		Count of physical eraseblock reserved for this volume.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		Equivalent to the volume size in logical eraseblocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) What:		/sys/class/ubi/ubiX/ubiX_Y/type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		Volume type. Contains ASCII "dynamic\n" for dynamic volumes and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		"static\n" for static volumes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) What:		/sys/class/ubi/ubiX/ubiX_Y/upd_marker
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		Contains ASCII "0\n" if the update marker is not set for this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		volume, and "1\n" if it is set. The update marker is set when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		volume update starts, and cleaned when it ends. So the presence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		of the update marker indicates that the volume is being updated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		at the moment of the update was interrupted. The later may be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		checked using the "corrupted" sysfs file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) What:		/sys/class/ubi/ubiX/ubiX_Y/usable_eb_size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) Date:		July 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) KernelVersion:	2.6.22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) Contact:	Artem Bityutskiy <dedekind@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		Logical eraseblock size of this volume. Equivalent to logical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		eraseblock size of the device aligned on the volume alignment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		value.