android_kernel_samsung_a7y1.../Documentation/block/capability.txt
prashantpaddune 3bca37f224 A750FXXU4CTBC
2020-03-27 21:51:54 +05:30

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Generic Block Device Capability
===============================================================================
This file documents the sysfs file block/<disk>/capability
capability is a hex word indicating which capabilities a specific disk
supports. For more information on bits not listed here, see
include/linux/genhd.h
Capability Value
-------------------------------------------------------------------------------
GENHD_FL_MEDIA_CHANGE_NOTIFY 4
When this bit is set, the disk supports Asynchronous Notification
of media change events. These events will be broadcast to user
space via kernel uevent.