From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- Documentation/block/capability.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 Documentation/block/capability.txt (limited to 'Documentation/block/capability.txt') diff --git a/Documentation/block/capability.txt b/Documentation/block/capability.txt new file mode 100644 index 00000000..2f172942 --- /dev/null +++ b/Documentation/block/capability.txt @@ -0,0 +1,15 @@ +Generic Block Device Capability +=============================================================================== +This file documents the sysfs file block//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. + -- cgit v1.2.3