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r: 147111
b: refs/heads/master
c: 871fa90
h: refs/heads/master
i:
  147109: c6ff37f
  147107: 1ee6ec0
  147103: c68aabb
v: v3
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Linus Torvalds committed Jun 11, 2009
1 parent a042a0f commit 57e9751
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 79f52b77b89e8b7aa9fbe62135eea198a2ecbd5b
refs/heads/master: 871fa90791a6f83dd8e2e489feb9534a8c02088d
1 change: 1 addition & 0 deletions trunk/.gitignore
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Expand Up @@ -49,6 +49,7 @@ include/linux/compile.h
include/linux/version.h
include/linux/utsrelease.h
include/linux/bounds.h
include/generated

# stgit generated dirs
patches-*
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6 changes: 3 additions & 3 deletions trunk/Documentation/ABI/testing/debugfs-pktcdvd
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What: /debug/pktcdvd/pktcdvd[0-7]
What: /sys/kernel/debug/pktcdvd/pktcdvd[0-7]
Date: Oct. 2006
KernelVersion: 2.6.20
Contact: Thomas Maier <balagi@justmail.de>
Expand All @@ -10,10 +10,10 @@ debugfs interface
The pktcdvd module (packet writing driver) creates
these files in debugfs:

/debug/pktcdvd/pktcdvd[0-7]/
/sys/kernel/debug/pktcdvd/pktcdvd[0-7]/
info (0444) Lots of driver statistics and infos.

Example:
-------

cat /debug/pktcdvd/pktcdvd0/info
cat /sys/kernel/debug/pktcdvd/pktcdvd0/info
59 changes: 59 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-block
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Expand Up @@ -60,3 +60,62 @@ Description:
Indicates whether the block layer should automatically
generate checksums for write requests bound for
devices that support receiving integrity metadata.

What: /sys/block/<disk>/alignment_offset
Date: April 2009
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Storage devices may report a physical block size that is
bigger than the logical block size (for instance a drive
with 4KB physical sectors exposing 512-byte logical
blocks to the operating system). This parameter
indicates how many bytes the beginning of the device is
offset from the disk's natural alignment.

What: /sys/block/<disk>/<partition>/alignment_offset
Date: April 2009
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Storage devices may report a physical block size that is
bigger than the logical block size (for instance a drive
with 4KB physical sectors exposing 512-byte logical
blocks to the operating system). This parameter
indicates how many bytes the beginning of the partition
is offset from the disk's natural alignment.

What: /sys/block/<disk>/queue/logical_block_size
Date: May 2009
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
This is the smallest unit the storage device can
address. It is typically 512 bytes.

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 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 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 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.
33 changes: 33 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss
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Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/model
Date: March 2009
Kernel Version: 2.6.30
Contact: iss_storagedev@hp.com
Description: Displays the SCSI INQUIRY page 0 model for logical drive
Y of controller X.

Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/rev
Date: March 2009
Kernel Version: 2.6.30
Contact: iss_storagedev@hp.com
Description: Displays the SCSI INQUIRY page 0 revision for logical
drive Y of controller X.

Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/unique_id
Date: March 2009
Kernel Version: 2.6.30
Contact: iss_storagedev@hp.com
Description: Displays the SCSI INQUIRY page 83 serial number for logical
drive Y of controller X.

Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/vendor
Date: March 2009
Kernel Version: 2.6.30
Contact: iss_storagedev@hp.com
Description: Displays the SCSI INQUIRY page 0 vendor for logical drive
Y of controller X.

Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/block:cciss!cXdY
Date: March 2009
Kernel Version: 2.6.30
Contact: iss_storagedev@hp.com
Description: A symbolic link to /sys/block/cciss!cXdY
18 changes: 18 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-devices-cache_disable
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What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X
Date: August 2008
KernelVersion: 2.6.27
Contact: mark.langsdorf@amd.com
Description: These files exist in every cpu's cache index directories.
There are currently 2 cache_disable_# files in each
directory. Reading from these files on a supported
processor will return that cache disable index value
for that processor and node. Writing to one of these
files will cause the specificed cache index to be disabled.

Currently, only AMD Family 10h Processors support cache index
disable, and only for their L3 caches. See the BIOS and
Kernel Developer's Guide at
http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf
for formatting information and other details on the
cache index disable.
Users: joachim.deguara@amd.com
8 changes: 6 additions & 2 deletions trunk/Documentation/ABI/testing/sysfs-firmware-acpi
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Expand Up @@ -69,9 +69,13 @@ Description:
gpe1F: 0 invalid
gpe_all: 1192
sci: 1194
sci_not: 0

sci - The total number of times the ACPI SCI
has claimed an interrupt.
sci - The number of times the ACPI SCI
has been called and claimed an interrupt.

sci_not - The number of times the ACPI SCI
has been called and NOT claimed an interrupt.

gpe_all - count of SCI caused by GPEs.

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