---

yaml
---
r: 376999
b: refs/heads/master
c: 645a992
h: refs/heads/master
i:
  376997: db45748
  376995: 46978d9
  376991: 20e21cc
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5939212df87e9377dd3813904264b94a962d19ca
+refs/heads/master: 645a992934c8007fa17ac2e512ce73c100ed1614

trunk/Documentation/ABI/testing/sysfs-block-bcache

@@ -0,0 +1,156 @@
+What:		/sys/block/<disk>/bcache/unregister
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		A write to this file causes the backing device or cache to be
+		unregistered. If a backing device had dirty data in the cache,
+		writeback mode is automatically disabled and all dirty data is
+		flushed before the device is unregistered. Caches unregister
+		all associated backing devices before unregistering themselves.
+
+What:		/sys/block/<disk>/bcache/clear_stats
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		Writing to this file resets all the statistics for the device.
+
+What:		/sys/block/<disk>/bcache/cache
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a backing device that has cache, a symlink to
+		the bcache/ dir of that cache.
+
+What:		/sys/block/<disk>/bcache/cache_hits
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: integer number of full cache hits,
+		counted per bio. A partial cache hit counts as a miss.
+
+What:		/sys/block/<disk>/bcache/cache_misses
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: integer number of cache misses.
+
+What:		/sys/block/<disk>/bcache/cache_hit_ratio
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: cache hits as a percentage.
+
+What:		/sys/block/<disk>/bcache/sequential_cutoff
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: Threshold past which sequential IO will
+		skip the cache. Read and written as bytes in human readable
+		units (i.e. echo 10M > sequntial_cutoff).
+
+What:		/sys/block/<disk>/bcache/bypassed
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		Sum of all reads and writes that have bypassed the cache (due
+		to the sequential cutoff).  Expressed as bytes in human
+		readable units.
+
+What:		/sys/block/<disk>/bcache/writeback
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: When on, writeback caching is enabled and
+		writes will be buffered in the cache. When off, caching is in
+		writethrough mode; reads and writes will be added to the
+		cache but no write buffering will take place.
+
+What:		/sys/block/<disk>/bcache/writeback_running
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: when off, dirty data will not be written
+		from the cache to the backing device. The cache will still be
+		used to buffer writes until it is mostly full, at which point
+		writes transparently revert to writethrough mode. Intended only
+		for benchmarking/testing.
+
+What:		/sys/block/<disk>/bcache/writeback_delay
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: In writeback mode, when dirty data is
+		written to the cache and the cache held no dirty data for that
+		backing device, writeback from cache to backing device starts
+		after this delay, expressed as an integer number of seconds.
+
+What:		/sys/block/<disk>/bcache/writeback_percent
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For backing devices: If nonzero, writeback from cache to
+		backing device only takes place when more than this percentage
+		of the cache is used, allowing more write coalescing to take
+		place and reducing total number of writes sent to the backing
+		device. Integer between 0 and 40.
+
+What:		/sys/block/<disk>/bcache/synchronous
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, a boolean that allows synchronous mode to be
+		switched on and off. In synchronous mode all writes are ordered
+		such that the cache can reliably recover from unclean shutdown;
+		if disabled bcache will not generally wait for writes to
+		complete but if the cache is not shut down cleanly all data
+		will be discarded from the cache. Should not be turned off with
+		writeback caching enabled.
+
+What:		/sys/block/<disk>/bcache/discard
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, a boolean allowing discard/TRIM to be turned off
+		or back on if the device supports it.
+
+What:		/sys/block/<disk>/bcache/bucket_size
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, bucket size in human readable units, as set at
+		cache creation time; should match the erase block size of the
+		SSD for optimal performance.
+
+What:		/sys/block/<disk>/bcache/nbuckets
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, the number of usable buckets.
+
+What:		/sys/block/<disk>/bcache/tree_depth
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, height of the btree excluding leaf nodes (i.e. a
+		one node tree will have a depth of 0).
+
+What:		/sys/block/<disk>/bcache/btree_cache_size
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		Number of btree buckets/nodes that are currently cached in
+		memory; cache dynamically grows and shrinks in response to
+		memory pressure from the rest of the system.
+
+What:		/sys/block/<disk>/bcache/written
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, total amount of data in human readable units
+		written to the cache, excluding all metadata.
+
+What:		/sys/block/<disk>/bcache/btree_written
+Date:		November 2010
+Contact:	Kent Overstreet <kent.overstreet@gmail.com>
+Description:
+		For a cache, sum of all btree writes in human readable units.

trunk/Documentation/ABI/testing/sysfs-bus-rbd

@@ -66,27 +66,7 @@ current_snap
 
 	The current snapshot for which the device is mapped.
 
-snap_*
-
-	A directory per each snapshot
-
 parent
 
 	Information identifying the pool, image, and snapshot id for
 	the parent image in a layered rbd image (format 2 only).
-
-Entries under /sys/bus/rbd/devices/<dev-id>/snap_<snap-name>
--------------------------------------------------------------
-
-snap_id
-
-	The rados internal snapshot id assigned for this snapshot
-
-snap_size
-
-	The size of the image when this snapshot was taken.
-
-snap_features
-
-	A hexadecimal encoding of the feature bits for this snapshot.
-

trunk/Documentation/ABI/testing/sysfs-class-mtd

@@ -14,17 +14,15 @@ Description:
 		The /sys/class/mtd/mtd{0,1,2,3,...} directories correspond
 		to each /dev/mtdX character device.  These may represent
 		physical/simulated flash devices, partitions on a flash
-		device, or concatenated flash devices.  They exist regardless
-		of whether CONFIG_MTD_CHAR is actually enabled.
+		device, or concatenated flash devices.
 
 What:		/sys/class/mtd/mtdXro/
 Date:		April 2009
 KernelVersion:	2.6.29
 Contact:	linux-mtd@lists.infradead.org
 Description:
 		These directories provide the corresponding read-only device
-		nodes for /sys/class/mtd/mtdX/ .  They are only created
-		(for the benefit of udev) if CONFIG_MTD_CHAR is enabled.
+		nodes for /sys/class/mtd/mtdX/ .
 
 What:		/sys/class/mtd/mtdX/dev
 Date:		April 2009

trunk/Documentation/ABI/testing/sysfs-class-net-mesh

@@ -67,6 +67,14 @@ Description:
                 Defines the penalty which will be applied to an
                 originator message's tq-field on every hop.
 
+What:           /sys/class/net/<mesh_iface>/mesh/network_coding
+Date:           Nov 2012
+Contact:        Martin Hundeboll <martin@hundeboll.net>
+Description:
+                Controls whether Network Coding (using some magic
+                to send fewer wifi packets but still the same
+                content) is enabled or not.
+
 What:           /sys/class/net/<mesh_iface>/mesh/orig_interval
 Date:           May 2010
 Contact:        Marek Lindner <lindner_marek@yahoo.de>

trunk/Documentation/ABI/testing/sysfs-devices-lpss_ltr

@@ -0,0 +1,44 @@
+What:		/sys/devices/.../lpss_ltr/
+Date:		March 2013
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		The /sys/devices/.../lpss_ltr/ directory is only present for
+		devices included into the Intel Lynxpoint Low Power Subsystem
+		(LPSS).  If present, it contains attributes containing the LTR
+		mode and the values of LTR registers of the device.
+
+What:		/sys/devices/.../lpss_ltr/ltr_mode
+Date:		March 2013
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		The /sys/devices/.../lpss_ltr/ltr_mode attribute contains an
+		integer number (0 or 1) indicating whether or not the devices'
+		LTR functionality is working in the software mode (1).
+
+		This attribute is read-only.  If the device's runtime PM status
+		is not "active", attempts to read from this attribute cause
+		-EAGAIN to be returned.
+
+What:		/sys/devices/.../lpss_ltr/auto_ltr
+Date:		March 2013
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
+		current value of the device's AUTO_LTR register (raw)
+		represented as an 8-digit hexadecimal number.
+
+		This attribute is read-only.  If the device's runtime PM status
+		is not "active", attempts to read from this attribute cause
+		-EAGAIN to be returned.
+
+What:		/sys/devices/.../lpss_ltr/sw_ltr
+Date:		March 2013
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
+		current value of the device's SW_LTR register (raw) represented
+		as an 8-digit hexadecimal number.
+
+		This attribute is read-only.  If the device's runtime PM status
+		is not "active", attempts to read from this attribute cause
+		-EAGAIN to be returned.

trunk/Documentation/ABI/testing/sysfs-devices-power_resources_wakeup

@@ -0,0 +1,13 @@
+What:		/sys/devices/.../power_resources_wakeup/
+Date:		April 2013
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		The /sys/devices/.../power_resources_wakeup/ directory is only
+		present for device objects representing ACPI device nodes that
+		require ACPI power resources for wakeup signaling.
+
+		If present, it contains symbolic links to device directories
+		representing ACPI power resources that need to be turned on for
+		the given device node to be able to signal wakeup.  The names of
+		the links are the same as the names of the directories they
+		point to.

trunk/Documentation/ABI/testing/sysfs-firmware-acpi

@@ -18,6 +18,32 @@ Description:
 		yoffset: The number of pixels between the top of the screen
 			 and the top edge of the image.
 
+What:		/sys/firmware/acpi/hotplug/
+Date:		February 2013
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		There are separate hotplug profiles for different classes of
+		devices supported by ACPI, such as containers, memory modules,
+		processors, PCI root bridges etc.  A hotplug profile for a given
+		class of devices is a collection of settings defining the way
+		that class of devices will be handled by the ACPI core hotplug
+		code.  Those profiles are represented in sysfs as subdirectories
+		of /sys/firmware/acpi/hotplug/.
+
+		The following setting is available to user space for each
+		hotplug profile:
+
+		enabled: If set, the ACPI core will handle notifications of
+			hotplug events associated with the given class of
+			devices and will allow those devices to be ejected with
+			the help of the _EJ0 control method.  Unsetting it
+			effectively disables hotplug for the correspoinding
+			class of devices.
+
+		The value of the above attribute is an integer number: 1 (set)
+		or 0 (unset).  Attempts to write any other values to it will
+		cause -EINVAL to be returned.
+
 What:		/sys/firmware/acpi/interrupts/
 Date:		February 2008
 Contact:	Len Brown <lenb@kernel.org>

trunk/Documentation/DocBook/80211.tmpl

@@ -437,7 +437,7 @@
       </section>
 !Finclude/net/mac80211.h ieee80211_get_buffered_bc
 !Finclude/net/mac80211.h ieee80211_beacon_get
-!Finclude/net/mac80211.h ieee80211_sta_eosp_irqsafe
+!Finclude/net/mac80211.h ieee80211_sta_eosp
 !Finclude/net/mac80211.h ieee80211_frame_release_type
 !Finclude/net/mac80211.h ieee80211_sta_ps_transition
 !Finclude/net/mac80211.h ieee80211_sta_ps_transition_ni