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2010-08-12mmc: add erase, secure erase, trim and secure trim operationsAdrian Hunter
SD/MMC cards tend to support an erase operation. In addition, eMMC v4.4 cards can support secure erase, trim and secure trim operations that are all variants of the basic erase command. SD/MMC device attributes "erase_size" and "preferred_erase_size" have been added. "erase_size" is the minimum size, in bytes, of an erase operation. For MMC, "erase_size" is the erase group size reported by the card. Note that "erase_size" does not apply to trim or secure trim operations where the minimum size is always one 512 byte sector. For SD, "erase_size" is 512 if the card is block-addressed, 0 otherwise. SD/MMC cards can erase an arbitrarily large area up to and including the whole card. When erasing a large area it may be desirable to do it in smaller chunks for three reasons: 1. A single erase command will make all other I/O on the card wait. This is not a problem if the whole card is being erased, but erasing one partition will make I/O for another partition on the same card wait for the duration of the erase - which could be a several minutes. 2. To be able to inform the user of erase progress. 3. The erase timeout becomes too large to be very useful. Because the erase timeout contains a margin which is multiplied by the size of the erase area, the value can end up being several minutes for large areas. "erase_size" is not the most efficient unit to erase (especially for SD where it is just one sector), hence "preferred_erase_size" provides a good chunk size for erasing large areas. For MMC, "preferred_erase_size" is the high-capacity erase size if a card specifies one, otherwise it is based on the capacity of the card. For SD, "preferred_erase_size" is the allocation unit size specified by the card. "preferred_erase_size" is in bytes. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Acked-by: Jens Axboe <axboe@kernel.dk> Cc: Kyungmin Park <kmpark@infradead.org> Cc: Madhusudhan Chikkature <madhu.cr@ti.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Ben Gardiner <bengardiner@nanometrics.ca> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11Documentation/00-INDEX: remove reference to exception.txtHuang Shijie
The exception.txt has been removed from the Documentation directory. So update the index file for it. Signed-off-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-20documentation: fix almost duplicate filenames (IO/io-mapping.txt)Randy Dunlap
Having both IO-mapping.txt and io-mapping.txt in Documentation/ was confusing and/or bothersome to some people, so rename IO-mapping.txt to bus-virt-phys-mapping.txt. Also update Documentation/00-INDEX for both of these files. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Kees Bakker <kees.bakker@xs4all.nl> Cc: Keith Packard <keithp@keithp.com>
2010-05-14Add a document describing the padata interfaceJonathan Corbet
This originally appeared as http://lwn.net/Articles/382257/. Cc: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2009-08-22Bluetooth: Add documentation for Marvell Bluetooth driverBing Zhao
add btmrvl.txt to Documentation/ This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2009-03-30trivial: fix where cgroup documentation is not correctly referred toThadeu Lima de Souza Cascardo
cgroup documentation was moved to Documentation/cgroups/. There are some places that still refer to Documentation/controllers/, Documentation/cgroups.txt and Documentation/cpusets.txt. Fix those. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-11-15Merge branch 'doc-subdirs' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs * 'doc-subdirs' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs: Create/use more directory structure in the Documentation/ tree.
2008-11-14Create/use more directory structure in the Documentation/ tree.Randy Dunlap
Create Documentation/blockdev/ sub-directory and populate it. Populate the Documentation/serial/ sub-directory. Move MSI-HOWTO.txt to Documentation/PCI/. Move ioctl-number.txt to Documentation/ioctl/. Update all relevant 00-INDEX files. Update all relevant Kconfig files and source files. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
2008-11-12DOC: add printk-formats.txtRandy Dunlap
Add printk-formats.txt so that we don't have to keep fixing the same things over and over again. <wishful thinking> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-28doc/x86: fix doc subdirsUwe Hermann
The Documentation/i386 and Documentation/x86_64 directories and their contents have been moved into Documentation/x86. Fix references to those files accordingly. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-16Merge branch 'docs' of git://git.lwn.net/linux-2.6Linus Torvalds
* 'docs' of git://git.lwn.net/linux-2.6: Document panic_on_unrecovered_nmi sysctl Add a reference to paper to SubmittingPatches Add kerneldoc documentation for new printk format extensions Remove videobook.tmpl doc: Test-by? Add the development process document Documentation/block/data-integrity.txt: Fix section numbers
2008-10-16Add the development process documentJonathan Corbet
This is an extended document intended to help interested developers, their managers, and their employers work with the kernel development process. This work was supported by the Linux Foundation. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-10-13Merge branches 'oprofile-v2' and 'timers/hpet' into x86/core-v4Ingo Molnar
2008-09-14Merge commit 'v2.6.27-rc6' into timers/hpetIngo Molnar
2008-08-21Merge branch 'linus' into x86/docIngo Molnar
2008-08-05Remove the deprecated cli() sti() functionsMark Asselstine
These functions have been deprecated for some time now but remained until all legacy callers could be removed. With a few commits in 2.6.26 this has happened so now we can remove these deprecated functions. Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com> Reviewed-by: Matthew Wilcox <willy@linux.intel.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-31Merge branch 'linus' into timers/hpetIngo Molnar
2008-07-28documentation: move mtrr.txt to Doc/x86/ subdirRandy Dunlap
Move mtrr.txt to the Documentation/x86/ subdirectory. Add 00-INDEX to the Documentation/x86/ subdirectory. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-25remove some more tipar bitsAdrian Bunk
Some bits were missed when the tipar driver was removed. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24documentation: move hpet.txt to timers/ subdirectoryRandy Dunlap
Move hpet.txt to Documentation/timers/ subdirectory. Add 00-INDEX to Documentation/timers/ subdirectory. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: tglx <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-04-25documentation: remove smart-config.txtRandy Dunlap
As requested by Sam Ravnborg: Remove Documentation/smart-config.txt. It is outdated and has been (functionally) replaced by Documentation/kbuild/*.txt. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-20PCI: doc/pci: create Documentation/PCI/ and move files into itRandy Dunlap
Create Documentation/PCI/ and move PCI-related files to it. Fix a few instances of trailing whitespace. Update references to the new file locations. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-04-17Documentation: move timer related documentation to a single placeThomas Gleixner
We have two directories with timer related information in Documentation/: hrtimers/ and hrtimer/. timer_stats are not restricted to hrtimers. Move all those files into Documentation/timers where we can pile up other timer related docs as well. Pointed-out-by: Randy Dunlap <randy@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-04-11Documentation: move rpc-cache.txt to filesystems/J. Bruce Fields
This file is nfs-related. (Maybe Documentation/filesystems/ would benefit from a separate nfs/ directory at some point.) Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-04-11Documentation: move nfsroot.txt to filesystems/J. Bruce Fields
Documentation/ is a little large, and filesystems/ seems an obvious place for this file. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-03-12documentation: Move power-related files to Documentation/power/Randy Dunlap
Move 00-INDEX entries to power/00-INDEX (and add entry for pm_qos_interface.txt). Update references to moved filenames. Fix some trailing whitespace. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-03-12laptops: move laptop-mode.txt to Documentation/laptops/Randy Dunlap
Move laptop-mode.txt into the laptops/ sub-directory to consolidate laptop doc files there. Update references to the file's location. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-03-07ide: update references to Documentation/ide/ide.txt (v2)Randy Dunlap
Fix all references to Documentation/ide/ide.txt. Add/update ide/00-INDEX file. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-02-14cpuidle: Add DocumentationVenkatesh Pallipadi
Documentation for cpuidle infrastructure. (resend) Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-09sonypi - Move sonypi.txt to Documentation/laptopsCarlos Corbacho
Also update references to sonypi.txt in Kconfig. Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> CC: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-09sony-laptop - Move sony-laptop.txt to Documentation/laptopsCarlos Corbacho
Also update references to sony-laptop.txt in Kconfig. Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> CC: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-09thinkpad-acpi - Move thinkpad-acpi.txt to Documentation/laptopsCarlos Corbacho
Also update references to thinkpad-acpi.txt in Kconfig. Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> CC: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-09Documentation - Create laptops sub-directoryCarlos Corbacho
There are currently various laptop drivers floating about with no central place for their documentation, which is currently scattered around the top level Documentation/ directory. So, as a first step, lets create a Documentation sub-directory, and update the relevant index files. The work of then moving the existing laptop driver related documentation will then be handled later. Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> CC: Henrique de Moraes Holschuh <hmh@hmh.eng.br> CC: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-07Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (112 commits) ACPI: fix build warning Revert "cpuidle: build fix for non-x86" ACPI: update intrd DSDT override console messages ACPI: update DSDT override documentation ACPI: Add "acpi_no_initrd_override" kernel parameter ACPI: its a directory not a folder.... ACPI: misc cleanups ACPI: add missing prink prefix strings ACPI: cleanup acpi.h ACPICA: fix CONFIG_ACPI_DEBUG_FUNC_TRACE build ACPI: video: Ignore ACPI video devices that aren't present in hardware ACPI: video: reset brightness on resume ACPI: video: call ACPI notifier chain for ACPI video notifications ACPI: create notifier chain to get hotkey events to graphics driver ACPI: video: delete unused display switch on hotkey event code ACPI: video: create "brightness_switch_enabled" modparam cpuidle: Add a poll_idle method ACPI: cpuidle: Support C1 idle time accounting ACPI: enable MWAIT for C1 idle ACPI: idle: Fix acpi_safe_halt usages and interrupt enabling/disabling ...
2008-02-07Documentation: create new scheduler/ subdirectoryJ. Bruce Fields
The top-level Documentation/ directory is unmanageably large, so we should take any obvious opportunities to move stuff into subdirectories. These sched-*.txt files seem an obvious easy case. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07Documentation: move sharedsubtrees.txt to filesystems/J. Bruce Fields
This documentation is also vfs-related. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07Documentation: move dnotify.txt to filesystems/J. Bruce Fields
I'm inclined to think dnotify belongs in filesystems/. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07move edac.txt two levels upAdrian Bunk
There's no reason for edac.txt for being at this unusual place. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alan Cox <alan@redhat.com> Cc: Doug Thompson <norsk5@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07Merge branches 'release', 'bugzilla-6217', 'bugzilla-6629', 'bugzilla-6933', ↵Len Brown
'bugzilla-7186', 'bugzilla-8269', 'bugzilla-8570', 'bugzilla-9139', 'bugzilla-9277', 'bugzilla-9341', 'bugzilla-9444', 'bugzilla-9614', 'bugzilla-9643' and 'bugzilla-9644' into release
2008-02-03move frv docs one level upAdrian Bunk
My first guess for "fujitsu" was it might be related to the fujitsu-laptop.c driver... Move the frv directory one level up since frv is the name of the architecture in the Linux kernel. Signed-off-by: Adrian Bunk <bunk@kernel.org>
2008-02-03remove Documentation/smp.txtAdrian Bunk
After seeing the filename I'd have expected something about the implementation of SMP in the Linux kernel - not some notes on kernel configuration and building trivialities noone would search at this place. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alan Cox <alan@redhat.com>
2007-11-29The namespaces compatibility list docPavel Emelyanov
People discuss how the namespaces are working/going-to-work together. Ted Ts'o proposed to create some document that describes what problems user may have when he/she creates some new namespace, but keeps others shared. I liked this idea, so here's the initial version of such a document with the problems I currently have in mind and can describe somewhat audibly - the "namespaces compatibility list". The Documentation/namespaces/ directory is about to contain more docs about the namespaces stuff. Thanks to Cedirc for notes and spell checks on the doc, to Daniel for additional info about IPC and User namespaces interaction and to Randy, who alluded me to using a spell checker before sending the documentation :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Daniel Lezcano <dlezcano@fr.ibm.com> Cc: Theodore Tso <tytso@mit.edu> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-19ACPI: document method tracing hooksLen Brown
Signed-off-by: Len Brown <len.brown@intel.com>
2007-10-17Add missing entries to top level Documentation/00-INDEXRob Landley
Add missing entries to Documentation/00-INDEX Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17Documentation: delete unreferenced xterm-linux.xpm fileRobert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-09Documentation: move locks.txt in filesystems/J. Bruce Fields
This documentation (about file locking) belongs in filesystems/. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2007-10-09Documentation: move mandatory locking documentation to filesystems/J. Bruce Fields
Shouldn't this mandatory-locking documentation be in the Documentation/filesystems directory? Give it a more descriptive name while we're at it, and update 00-INDEX with a more inclusive description of Documentation/filesystems (which has already talked about more than just individual filesystems). Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
2007-09-11Documentation/00-INDEX: notice ecryptfs.txt movedRob Landley
ecryptfs.txt moved into filesystems, make 00-INDEX follow. Signed-off-by: Rob Landley <rob@landley.net> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Add missing files and dirs to 00-INDEX in Documentation/Jesper Juhl
Add descriptions for a number of missing files and directories to the Documentation/00-INDEX file. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: Rob Landley <rob@landley.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-12-03Remove long-unmaintained ftape driver subsystem.Jeff Garzik
It's bitrotten, long unmaintained, long hidden under BROKEN_ON_SMP, etc. As scheduled in feature-removal-schedule.txt, and ack'd several times on lkml. Signed-off-by: Jeff Garzik <jeff@garzik.org>
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