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* Revert "drivers/usb: Remove unnecessary return's from void functions" for ↵Jiri Kosina2010-10-061-0/+1
| | | | | | | | | | musb gadget This is a partial revert of 7f26b3a7533b ("drivers/usb: Remove unnecessary return's from void functions") as this hunk will vanish in USB tree completely. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Revert "Fix typo: configuation => configuration" partiallyJiri Kosina2010-09-241-1/+1
| | | | | | | | This is a partial revert of 0b1974de66f ("Fix typo: configuation => configuration") as this hunk is removed in net-next. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* ida: document IDA_BITMAP_LONGS calculationNamhyung Kim2010-09-231-2/+5
| | | | | | | | | | IDA_BITMAP_LONGS value is calculated take into account struct ida_bitmap not to waste memory space. Comment it. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* ext2: fix a typo on comment in ext2/inode.cNamhyung Kim2010-09-231-2/+2
| | | | | | | | 'excpet' should be 'except'. 'ext3_get_branch' should be 'ext2_get_branch'. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* drivers/scsi: Remove unnecessary casts of private_dataJoe Perches2010-09-232-2/+2
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* drivers/s390: Remove unnecessary casts of private_dataJoe Perches2010-09-231-3/+3
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* net/sunrpc/rpc_pipe.c: Remove unnecessary casts of private_dataJoe Perches2010-09-231-2/+2
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* drivers/infiniband: Remove unnecessary casts of private_dataJoe Perches2010-09-231-2/+2
| | | | | | Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* drivers/gpu/drm: Remove unnecessary casts of private_dataJoe Perches2010-09-233-3/+3
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* kernel/pm_qos_params.c: Remove unnecessary casts of private_dataJoe Perches2010-09-231-1/+1
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* fs/ecryptfs: Remove unnecessary casts of private_dataJoe Perches2010-09-231-1/+1
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* fs/seq_file.c: Remove unnecessary casts of private_dataJoe Perches2010-09-231-3/+3
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* arm: uengine.c: remove C99 commentsH Hartley Sweeten2010-09-231-9/+9
| | | | | | | | Comments should be /* */ not //. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Jiri Kosina <trivial@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* arm: scoop.c: remove C99 commentsH Hartley Sweeten2010-09-231-6/+6
| | | | | | | | Comments should be /* */ not //. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Jiri Kosina <trivial@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix typo configue => configure in commentsThomas Weber2010-09-235-5/+5
| | | | | | Signed-off-by: Thomas Weber <weber@corscience.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix typo: configuation => configurationThomas Weber2010-09-235-7/+7
| | | | | | Signed-off-by: Thomas Weber <weber@corscience.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix typo interrest[ing|ed] => interest[ing|ed]Thomas Weber2010-09-212-3/+3
| | | | | | | Fix typos with interrest*. Signed-off-by: Thomas Weber <weber@corscience.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix various typos of valid in commentsNikanth Karthikesan2010-09-216-10/+8
| | | | | | | Fix various typos of valid. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Doc: Fix typo s/packages/packagedNikanth Karthikesan2010-09-211-1/+1
| | | | | | | Fix typo s/packages/packaged in Documentation/vm/numa_memory_policy.txt. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Revert "drivers/usb: Remove unnecessary return's from void functions" partiallyJiri Kosina2010-09-021-0/+3
| | | | | | | | | This is a partial revert of 7f26b3a7533b ("drivers/usb: Remove unnecessary return's from void functions") as this hunk will go through USB tree due to conflict. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* idr: describe how nextidp works in idr_get_next().Naohiro Aota2010-08-311-1/+2
| | | | | | | | | It was unclear in original kernel-doc how nextidp worked in idr_get_next(). Let's describe it. Signed-off-by: Naohiro Aota <naota@elisp.net> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* idr: fix kernel-doc warnings.Naohiro Aota2010-08-311-5/+5
| | | | | | | | | | | | | | | | | | Fix the following kernel-doc warnings. % perl scripts/kernel-doc lib/idr.c > /dev/null Warning(lib/idr.c:300): No description found for parameter 'starting_id' Warning(lib/idr.c:300): Excess function parameter 'start_id' description in 'idr_get_new_above' Warning(lib/idr.c:485): No description found for parameter 'idp' Warning(lib/idr.c:596): No description found for parameter 'nextidp' Warning(lib/idr.c:596): Excess function parameter 'id' description in 'idr_get_next' Warning(lib/idr.c:774): No description found for parameter 'starting_id' Warning(lib/idr.c:774): Excess function parameter 'staring_id' description in 'ida_get_new_above' Warning(lib/idr.c:918): No description found for parameter 'ida' Signed-off-by: Naohiro Aota <naota@elisp.net> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* MAINTAINERS: update broken web addressJustin P. Mattock2010-08-301-1/+1
| | | | | | | | The patch below updates a broken web address in the MAINTAINERS file. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* parport_pc: show the detection of a 2 serial port ITE8874 chipNiels de Vos2010-08-241-1/+1
| | | | | | | | | | | | The printk message for the 2 serial port version is obscured with a debug macro, unlike all other versions of the card. It should be changed to make the output equal for all detected models. Reference: https://bugzilla.redhat.com/show_bug.cgi?id=578616#c1 CC: Joe Krahn <krahn@niehs.nih.gov> Signed-off-by: Niels de Vos <ndevos@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Kconfig: delete duplicate wordStephan Sperber2010-08-232-2/+2
| | | | | | | Deleted a word which apeared twice. Signed-off-by: Stephan Sperber <sperberstephan@googlemail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix typo in Kconfig help textThomas Weber2010-08-231-1/+1
| | | | | | | Fix the name of the sensor: BMP086 => BMP085 Signed-off-by: Thomas Weber <weber@corscience.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Use kzalloc in idedisk_prep_fn.Tao Ma2010-08-191-2/+1
| | | | | | Signed-off-by: Tao Ma <tao.ma@oracle.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix typo s/contenious/continuous in commentNikanth Karthikesan2010-08-181-2/+2
| | | | | | | Fix typo s/contenious/continuous in comment. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Fix spelling mistake in jhashAnton Blanchard2010-08-181-1/+1
| | | | | | | Fix a spelling mistake. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* include/video/vga.h: update web address.Justin P. Mattock2010-08-161-1/+1
| | | | | | | | The below updates a broken web address to one(hopefully) thats the new correct address. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* vesafb: fix comment a typoJustin P. Mattock2010-08-161-1/+1
| | | | | Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* paravirt: noreplace-paravirt is implemented for x86 and ia-64Jiri Kosina2010-08-161-1/+1
| | | | | | | | | kernel-parameters.txt lists 'noreplace-paravirt' parameter as being limited to X86-32, which is incorrect -- it's actually supported by x86-32, x86-64 and ia-64. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* Merge branch 'master' into for-nextJiri Kosina2010-08-11978-18586/+39215
|\ | | | | | | | | Conflicts: fs/exofs/inode.c
| * Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds2010-08-1025-501/+740
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://neil.brown.name/md: (24 commits) md: clean up do_md_stop md: fix another deadlock with removing sysfs attributes. md: move revalidate_disk() back outside open_mutex md/raid10: fix deadlock with unaligned read during resync md/bitmap: separate out loading a bitmap from initialising the structures. md/bitmap: prepare for storing write-intent-bitmap via dm-dirty-log. md/bitmap: optimise scanning of empty bitmaps. md/bitmap: clean up plugging calls. md/bitmap: reduce dependence on sysfs. md/bitmap: white space clean up and similar. md/raid5: export raid5 unplugging interface. md/plug: optionally use plugger to unplug an array during resync/recovery. md/raid5: add simple plugging infrastructure. md/raid5: export is_congested test raid5: Don't set read-ahead when there is no queue md: add support for raising dm events. md: export various start/stop interfaces md: split out md_rdev_init md: be more careful setting MD_CHANGE_CLEAN md/raid5: ensure we create a unique name for kmem_cache when mddev has no gendisk ...
| | * Merge git://git.infradead.org/users/dwmw2/libraid-2.6 into for-linusNeilBrown2010-08-106465-223570/+447411
| | |\
| | | * Merge branch 'async' of macbook:git/btrfs-unstableDavid Woodhouse2010-08-0918-94/+97
| | | |\ | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/md/Makefile lib/raid6/unroll.pl
| | | | * async_tx: Move ASYNC_RAID6_TEST option to crypto/async_tx/, fix dependenciesDavid Woodhouse2009-10-292-13/+14
| | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| | | | * md: Factor out RAID6 algorithms into lib/David Woodhouse2009-10-2917-81/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We'll want to use these in btrfs too. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| | * | | md: clean up do_md_stopNeilBrown2010-08-081-16/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is only one error exit from do_md_stop, so make that more explicit and discard the 'err' variable. Also drop the 'revalidate' variable by moving the unlock calls around. Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md: fix another deadlock with removing sysfs attributes.NeilBrown2010-08-082-14/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the deletion of sysfs attributes from reconfig_mutex to open_mutex didn't really help as a process can try to take open_mutex while holding reconfig_mutex, so the same deadlock can happen, just requiring one more process to be involved in the chain. I looks like I cannot easily use locking to wait for the sysfs deletion to complete, so don't. The only things that we cannot do while the deletions are still pending is other things which can change the sysfs namespace: run, takeover, stop. Each of these can fail with -EBUSY. So set a flag while doing a sysfs deletion, and fail run, takeover, stop if that flag is set. This is suitable for 2.6.35.x Cc: stable@kernel.org Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md: move revalidate_disk() back outside open_mutexDan Williams2010-08-081-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit b821eaa5 "md: remove ->changed and related code" moved revalidate_disk() under open_mutex, and lockdep noticed. [ INFO: possible circular locking dependency detected ] 2.6.32-mdadm-locking #1 ------------------------------------------------------- mdadm/3640 is trying to acquire lock: (&bdev->bd_mutex){+.+.+.}, at: [<ffffffff811acecb>] revalidate_disk+0x5b/0x90 but task is already holding lock: (&mddev->open_mutex){+.+...}, at: [<ffffffffa055e07a>] do_md_stop+0x4a/0x4d0 [md_mod] which lock already depends on the new lock. It is suitable for 2.6.35.x Cc: <stable@kernel.org> Reported-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/raid10: fix deadlock with unaligned read during resyncNeilBrown2010-08-071-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the 'bio_split' path in raid10-read is used while resync/recovery is happening it is possible to deadlock. Fix this be elevating ->nr_waiting for the duration of both parts of the split request. This fixes a bug that has been present since 2.6.22 but has only started manifesting recently for unknown reasons. It is suitable for and -stable since then. Reported-by: Justin Bronder <jsbronder@gentoo.org> Tested-by: Justin Bronder <jsbronder@gentoo.org> Signed-off-by: NeilBrown <neilb@suse.de> Cc: stable@kernel.org
| | * | | md/bitmap: separate out loading a bitmap from initialising the structures.NeilBrown2010-07-263-23/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dm makes this distinction between ->ctr and ->resume, so we need to too. Also get the new bitmap_load to clear out the bitmap first, as this is most consistent with the dm suspend/resume approach Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/bitmap: prepare for storing write-intent-bitmap via dm-dirty-log.NeilBrown2010-07-263-39/+99
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows md/raid5 to fully work as a dm target. Normally md uses a 'filemap' which contains a list of pages of bits each of which may be written separately. dm-log uses and all-or-nothing approach to writing the log, so when using a dm-log, ->filemap is NULL and the flags normally stored in filemap_attr are stored in ->logattrs instead. Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/bitmap: optimise scanning of empty bitmaps.NeilBrown2010-07-261-10/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A bitmap is stored as one page per 2048 bits. If none of the bits are set, the page is not allocated. When bitmap_get_counter finds that a page isn't allocate, it just reports that one bit work of space isn't flagged, rather than reporting that 2048 bits worth of space are unflagged. This can cause searches for flagged bits (e.g. bitmap_close_sync) to do more work than is really necessary. So change bitmap_get_counter (when creating) to report a number of blocks that more accurately reports the range of the device for which no counter currently exists. Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/bitmap: clean up plugging calls.NeilBrown2010-07-263-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1/ use md_unplug in bitmap.c as we will soon be using bitmaps under arrays with no queue attached. 2/ Don't bother plugging the queue when we set a bit in the bitmap. The reason for this was to encourage as many bits as possible to get set before we unplug and write stuff out. However every personality already plugs the queue after bitmap_startwrite either directly (raid1/raid10) or be setting STRIPE_BIT_DELAY which causes the queue to be plugged later (raid5). Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/bitmap: reduce dependence on sysfs.NeilBrown2010-07-261-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For dm-raid45 we will want to use bitmaps in dm-targets which don't have entries in sysfs, so cope with the mddev not living in sysfs. Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/bitmap: white space clean up and similar.NeilBrown2010-07-262-167/+136
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes some whitespace problems Fixed some checkpatch.pl complaints. Replaced kmalloc ... memset(0), with kzalloc Fixed an unlikely memory leak on an error path. Reformatted a number of 'if/else' sets, sometimes replacing goto with an else clause. Removed some old comments and commented-out code. Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/raid5: export raid5 unplugging interface.NeilBrown2010-07-262-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also remove remaining accesses to ->queue and ->gendisk when ->queue is NULL (As it is in a DM target). Signed-off-by: NeilBrown <neilb@suse.de>
| | * | | md/plug: optionally use plugger to unplug an array during resync/recovery.NeilBrown2010-07-263-3/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If an array doesn't have a 'queue' then md_do_sync cannot unplug it. In that case it will have a 'plugger', so make that available to the mddev, and use it to unplug the array if needed. Signed-off-by: NeilBrown <neilb@suse.de>
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