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Diffstat (limited to 'Documentation/block/capability.rst')
| -rw-r--r-- | Documentation/block/capability.rst | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/Documentation/block/capability.rst b/Documentation/block/capability.rst index 2cf258d64bbe..2ae7f064736a 100644 --- a/Documentation/block/capability.rst +++ b/Documentation/block/capability.rst @@ -2,17 +2,9 @@ Generic Block Device Capability =============================== -This file documents the sysfs file block/<disk>/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`` is a bitfield, printed in hexadecimal, indicating which +capabilities a specific block device supports: -GENHD_FL_MEDIA_CHANGE_NOTIFY ----------------------------- - -Value: 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. +.. kernel-doc:: include/linux/blkdev.h |