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yaml
---
r: 157051
b: refs/heads/master
c: ada5082
h: refs/heads/master
i:
  157049: 155806d
  157047: 1df9264
v: v3
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Jan Kara authored and Joel Becker committed Aug 17, 2009
1 parent a838388 commit cd1120b
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2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 7c0a57d5c47bcfc492b3139e77400f888a935c44
refs/heads/master: ada508274b8698a33cb0e5bd037db0f9dc781795
8 changes: 1 addition & 7 deletions trunk/CREDITS
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Expand Up @@ -1856,7 +1856,7 @@ E: rfkoenig@immd4.informatik.uni-erlangen.de
D: The Linux Support Team Erlangen

N: Andreas Koensgen
E: ajk@comnets.uni-bremen.de
E: ajk@iehk.rwth-aachen.de
D: 6pack driver for AX.25

N: Harald Koerfgen
Expand Down Expand Up @@ -2006,9 +2006,6 @@ E: paul@laufernet.com
D: Soundblaster driver fixes, ISAPnP quirk
S: California, USA

N: Jonathan Layes
D: ARPD support

N: Tom Lees
E: tom@lpsg.demon.co.uk
W: http://www.lpsg.demon.co.uk/
Expand Down Expand Up @@ -3805,9 +3802,6 @@ S: van Bronckhorststraat 12
S: 2612 XV Delft
S: The Netherlands

N: Thomas Woller
D: CS461x Cirrus Logic sound driver

N: David Woodhouse
E: dwmw2@infradead.org
D: JFFS2 file system, Memory Technology Device subsystem,
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37 changes: 14 additions & 23 deletions trunk/Documentation/ABI/testing/sysfs-block
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Expand Up @@ -94,37 +94,28 @@ What: /sys/block/<disk>/queue/physical_block_size
Date: May 2009
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
This is the smallest unit a physical storage device can
write atomically. It is usually the same as the logical
block size but may be bigger. One example is SATA
drives with 4KB sectors that expose a 512-byte logical
block size to the operating system. For stacked block
devices the physical_block_size variable contains the
maximum physical_block_size of the component devices.
This is the smallest unit the storage device can write
without resorting to read-modify-write operation. It is
usually the same as the logical block size but may be
bigger. One example is SATA drives with 4KB sectors
that expose a 512-byte logical block size to the
operating system.

What: /sys/block/<disk>/queue/minimum_io_size
Date: April 2009
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Storage devices may report a granularity or preferred
minimum I/O size which is the smallest request the
device can perform without incurring a performance
penalty. For disk drives this is often the physical
block size. For RAID arrays it is often the stripe
chunk size. A properly aligned multiple of
minimum_io_size is the preferred request size for
workloads where a high number of I/O operations is
desired.
Storage devices may report a preferred minimum I/O size,
which is the smallest request the device can perform
without incurring a read-modify-write penalty. For disk
drives this is often the physical block size. For RAID
arrays it is often the stripe chunk size.

What: /sys/block/<disk>/queue/optimal_io_size
Date: April 2009
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Storage devices may report an optimal I/O size, which is
the device's preferred unit for sustained I/O. This is
rarely reported for disk drives. For RAID arrays it is
usually the stripe width or the internal track size. A
properly aligned multiple of optimal_io_size is the
preferred request size for workloads where sustained
throughput is desired. If no optimal I/O size is
reported this file contains 0.
the device's preferred unit of receiving I/O. This is
rarely reported for disk drives. For RAID devices it is
usually the stripe width or the internal block size.
4 changes: 2 additions & 2 deletions trunk/Documentation/DocBook/kernel-hacking.tmpl
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Expand Up @@ -449,8 +449,8 @@ printk(KERN_INFO "i = %u\n", i);
</para>

<programlisting>
__be32 ipaddress;
printk(KERN_INFO "my ip: %pI4\n", &amp;ipaddress);
__u32 ipaddress;
printk(KERN_INFO "my ip: %d.%d.%d.%d\n", NIPQUAD(ipaddress));
</programlisting>

<para>
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2 changes: 2 additions & 0 deletions trunk/Documentation/DocBook/mac80211.tmpl
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Expand Up @@ -184,6 +184,8 @@ usage should require reading the full document.
!Finclude/net/mac80211.h ieee80211_ctstoself_get
!Finclude/net/mac80211.h ieee80211_ctstoself_duration
!Finclude/net/mac80211.h ieee80211_generic_frame_duration
!Finclude/net/mac80211.h ieee80211_get_hdrlen_from_skb
!Finclude/net/mac80211.h ieee80211_hdrlen
!Finclude/net/mac80211.h ieee80211_wake_queue
!Finclude/net/mac80211.h ieee80211_stop_queue
!Finclude/net/mac80211.h ieee80211_wake_queues
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7 changes: 1 addition & 6 deletions trunk/Documentation/RCU/rculist_nulls.txt
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Expand Up @@ -83,12 +83,11 @@ not detect it missed following items in original chain.
obj = kmem_cache_alloc(...);
lock_chain(); // typically a spin_lock()
obj->key = key;
atomic_inc(&obj->refcnt);
/*
* we need to make sure obj->key is updated before obj->next
* or obj->refcnt
*/
smp_wmb();
atomic_set(&obj->refcnt, 1);
hlist_add_head_rcu(&obj->obj_node, list);
unlock_chain(); // typically a spin_unlock()

Expand Down Expand Up @@ -160,10 +159,6 @@ out:
obj = kmem_cache_alloc(cachep);
lock_chain(); // typically a spin_lock()
obj->key = key;
/*
* changes to obj->key must be visible before refcnt one
*/
smp_wmb();
atomic_set(&obj->refcnt, 1);
/*
* insert obj in RCU way (readers might be traversing chain)
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2 changes: 0 additions & 2 deletions trunk/Documentation/arm/memory.txt
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Expand Up @@ -21,8 +21,6 @@ ffff8000 ffffffff copy_user_page / clear_user_page use.
For SA11xx and Xscale, this is used to
setup a minicache mapping.

ffff4000 ffffffff cache aliasing on ARMv6 and later CPUs.

ffff1000 ffff7fff Reserved.
Platforms must not use this address range.

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4 changes: 2 additions & 2 deletions trunk/Documentation/connector/cn_test.c
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@@ -1,7 +1,7 @@
/*
* cn_test.c
*
* 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
* 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
Expand Down Expand Up @@ -194,5 +194,5 @@ module_init(cn_test_init);
module_exit(cn_test_fini);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
MODULE_DESCRIPTION("Connector's test module");
2 changes: 1 addition & 1 deletion trunk/Documentation/connector/ucon.c
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@@ -1,7 +1,7 @@
/*
* ucon.c
*
* Copyright (c) 2004+ Evgeniy Polyakov <zbr@ioremap.net>
* Copyright (c) 2004+ Evgeniy Polyakov <johnpol@2ka.mipt.ru>
*
*
* This program is free software; you can redistribute it and/or modify
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4 changes: 2 additions & 2 deletions trunk/Documentation/driver-model/driver.txt
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Expand Up @@ -207,8 +207,8 @@ Attributes
~~~~~~~~~~
struct driver_attribute {
struct attribute attr;
ssize_t (*show)(struct device_driver *driver, char *buf);
ssize_t (*store)(struct device_driver *, const char * buf, size_t count);
ssize_t (*show)(struct device_driver *, char * buf, size_t count, loff_t off);
ssize_t (*store)(struct device_driver *, const char * buf, size_t count, loff_t off);
};

Device drivers can export attributes via their sysfs directories.
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