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2009-04-15block: update biodoc.txt on pluggingJens Axboe1-13/+6
We do per-device plugging, get rid of any references to tq_disk as that has been dead since 2.6.5 or so. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-03-26block: Repeated lines in switching-sched.txtAvishay Traeger1-6/+0
These lines appear in this file twice - removed one occurrence. Signed-off-by: Avishay Traeger <avishay@il.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-02-02block: add text file detailing queue/ sysfs filesJens Axboe1-0/+63
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-01-30Mark mandatory elevator functions in the biodoc.txtNikanth Karthikesan1-3/+3
biodoc.txt mentions that elevator functions marked with * are mandatory, but no function is marked with *. Mark the 3 functions which should be implemented by any io scheduler. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-01-29Documentation: move DMA-mapping.txt to Doc/PCI/Randy Dunlap1-2/+3
Move DMA-mapping.txt to Documentation/PCI/. DMA-mapping.txt was supposed to be moved from Documentation/ to Documentation/PCI/. The 00-INDEX files in those two directories were updated, along with a few other text files, but the file itself somehow escaped being moved, so move it and update more text files and source files with its new location. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-29Documentation: remove reference to ll_rw_blk.c and moved ↵Nikanth Karthikesan1-3/+3
drivers/block/elevator.c The drivers/block/ll_rw_block.c has been split and organized in the block/ directory, and also drivers/block/elevator.c has been moved to the block/ directory. Update Documentation/block/biodoc.txt accordingly Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-10-16Merge branch 'docs' of git://git.lwn.net/linux-2.6Linus Torvalds1-2/+2
* '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
2008-10-16Documentation/block/data-integrity.txt: Fix section numbersAlberto Bertogli1-2/+2
Signed-off-by: Alberto Bertogli <albertito@blitiri.com.ar> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-10-09block: update documentation for deadline fifo_batch tunableAaron Carroll1-4/+10
Update the description of fifo_batch to match the current implementation, and include a description of how to tune it. Signed-off-by: Aaron Carroll <aaronc@gelato.unsw.edu.au> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: Data integrity infrastructure documentationMartin K. Petersen1-0/+327
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-04-21DOCUMENTATION: Use newer DEFINE_SPINLOCK macro in docs.Robert P. J. Day1-1/+1
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
2007-10-16Add Documentation/block/00-INDEXRob Landley1-0/+20
Add Documentation/block/00-INDEX Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16Some IO scheduler cleanup in Documentation/blockAlan D. Brunelle3-24/+41
as-iosched.txt: o Changed IO scheduler selection text to a reference to the switching-sched.txt file. o Fixed typo: 'for up time...' -> 'for up to...' o Added short description of the est_time file. deadline-iosched.txt: o Changed IO scheduler selection text to a reference to the switching-sched.txt file. o Removed references to non-existent seek-cost and stream_unit. o Fixed typo: 'write_starved' -> 'writes_starved' switching-sched.txt: o Added in boot-time argument to set the default IO scheduler. (From as-iosched.txt) o Added in sysfs mount instructions. (From deadline-iosched.txt) Signed-off-by: Alan D. Brunelle <Alan.Brunelle@hp.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16Update Jens Axboe's email in Documentation/*Rob Landley4-5/+5
Jens Axboe's old email address bounces. Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-10Corrections in Documentation/block/ioprio.txtDhaval Giani1-2/+9
The newer glibc does not allow system calls to be made via _syscallN() wrapper. They have to be made through syscall(). The ionice code used the older interface. Correcting it to use syscall. Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-10Introduce rq_for_each_segment replacing rq_for_each_bioNeilBrown1-10/+10
Every usage of rq_for_each_bio wraps a usage of bio_for_each_segment, so these can be combined into rq_for_each_segment. We define "struct req_iterator" to hold the 'bio' and 'index' that are needed for the double iteration. Signed-off-by: Neil Brown <neilb@suse.de> Various compile fixes by me... Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-24[BLOCK] Get rid of request_queue_t typedefJens Axboe3-9/+9
Some of the code has been gradually transitioned to using the proper struct request_queue, but there's lots left. So do a full sweet of the kernel and get rid of this typedef and replace its uses with the proper type. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-10Documentation/block/barrier.txt is not in sync with the actual code: - ↵Geert Uytterhoeven1-13/+3
blk_queue_ordered() no longer has a gfp_mask parameter - blk_queue_ordered_locked() no longer exists - sd_prepare_flush() looks slightly different Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-05-23genhd: expose AN to user spaceKristen Carlson Accardi1-0/+15
Allow user space to determine if a disk supports Asynchronous Notification of media changes. This is done by adding a new sysfs file "capability_flags", which is documented in (insert file name). This sysfs file will export all disk capabilities flags to user space. We also define a new flag to define the media change notification capability. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09misc doc and kconfig typosMatt LaPlante1-4/+4
Fix various typos in kernel docs and Kconfigs, 2.6.21-rc4. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-12-20[PATCH] block: document io scheduler allow_merge_fn hookJens Axboe1-0/+7
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-12-07[PATCH] io/storage: Documentation update to as-iosched.txtFilipe1-2/+4
Documentation update, adding references to CFQ scheduler and to another document about selecting IO Schedulers. Signed-off-by: Filipe Lautert <filipe@icewall.org> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-30Fix typos in /Documentation : MiscMatt LaPlante1-2/+2
This patch fixes typos in various Documentation txts. The patch addresses some misc words. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-11-30Fix typos in /Documentation : 'U-Z'Matt LaPlante1-3/+3
This patch fixes typos in various Documentation txts. The patch addresses some +words starting with the letters 'U-Z'. Looks like I made it through the alphabet...just in time to start over again +too! Maybe I can fit more profound fixes into the next round...? Time will +tell. :) Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Documentation: remove duplicated wordsPaolo Ornati1-1/+1
Remove many duplicated words under Documentation/ and do other small cleanups. Examples: "and and" --> "and" "in in" --> "in" "the the" --> "the" "the the" --> "to the" ... Signed-off-by: Paolo Ornati <ornati@fastwebnet.it> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'S'Matt LaPlante1-2/+2
This patch fixes typos in various Documentation txts. The patch addresses some words starting with the letter 'S'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Alan Cox <alan@redhat.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'Q'-'R'Matt LaPlante1-1/+1
This patch fixes typos in various Documentation txts. The patch addresses some words starting with the letters 'Q'-'R'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'N'-'P'Matt LaPlante2-3/+3
This patch fixes typos in various Documentation txts. The patch addresses some words starting with the letters 'N'-'P'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'H'-'M'Matt LaPlante1-1/+1
This patch fixes typos in various Documentation txts. The patch addresses some words starting with the letters 'H'-'M'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'F'-'G'Matt LaPlante2-2/+2
This patch fixes typos in various Documentation txts. The patch addresses some words starting with the letters 'F'-'G'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'D'-'E'Matt LaPlante1-1/+1
This patch fixes typos in various Documentation txts. This patch addresses some words starting with the letters 'D'-'E'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix typos in Documentation/: 'B'-'C'Matt LaPlante1-1/+1
This patch fixes typos in various Documentation txts. This patch addresses some words starting with the letters 'B'-'C'. There are also a few grammar fixes thrown in for Randy. ;) Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-04-20[PATCH] Document online io scheduler switchingValdis Kletnieks1-0/+22
We added the ability to change a block device's IO elevator scheduler both at kernel boot and on-the-fly, but we only documented the elevator= boot parameter. Add a quick how-to on doing it on the fly. Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jens Axboe <axboe@suse.de>
2006-03-27[PATCH] update max_sectors documentationMike Christie1-2/+12
The max_sectors has been split into max_hw_sectors and max_sectors for some time. A patch to have blk_queue_max_sectors enforce this was sent by me and it broke IDE. This patch updates the documentation. Signed-off-by: Jens Axboe <axboe@suse.de>
2006-01-16barrier.txt got lost while the new barrier patchset was climbing upTejun Heo1-0/+271
the ladder to the mainline. Add it back. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2006-01-08[PATCH] block/stat.txtAndy Isaacson1-0/+82
I couldn't find any docs explaining the contents of /sys/block/<dev>/stat, so I wrote up the following. I'm not completely sure it's accurate - Jens, could you give a yea or nay on this? In particular, the counts of read/write IOs and read/write sectors are incremented in different places - it looks like they both increment as the request is being finished, but I'm not completely sure of that. Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[BLOCK] I/O barrier documentation updateTejun Heo1-8/+2
Update documentation to match new barrier implementation. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2006-01-03update the email address of Randy DunlapAdrian Bunk1-1/+1
This patch removes all references to the bouncing address rddunlap@osdl.org and one dead web page from the kernel. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Randy Dunlap <rdunlap@xenotime.net>
2005-11-15[PATCH] Update location of ll_rw_blk.c in docsBen Collins1-2/+2
Picked from the ubuntu-2.6 tree The change in location for ll_rw_blk.c from drivers/block/ to block/ caused failure to generate documentation. Signed-off-by: Ben Collins <bcollins@ubuntu.com> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] 05/05 update biodoc to match new generic dispatch apiTejun Heo1-61/+52
Updates biodoc to reflect changes in elevator API Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-06-27[PATCH] CFQ io scheduler, add ioprio documentationJens Axboe1-0/+176
Add ioprio documentation Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds4-0/+1544
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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