capability.txt 618 B

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  1. Generic Block Device Capability
  2. ===============================================================================
  3. This file documents the sysfs file block/<disk>/capability
  4. capability is a hex word indicating which capabilities a specific disk
  5. supports. For more information on bits not listed here, see
  6. include/linux/genhd.h
  7. Capability Value
  8. -------------------------------------------------------------------------------
  9. GENHD_FL_MEDIA_CHANGE_NOTIFY 4
  10. When this bit is set, the disk supports Asynchronous Notification
  11. of media change events. These events will be broadcast to user
  12. space via kernel uevent.