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2007-10-19Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (21 commits) Fix build break in tsi108.c qeth: remove header_ops bug ir-functions.c:(.text+0xbce18): undefined reference to `input_event' NAPI: kconfig prompt and deleted doc file phy/bitbang: missing MODULE_LICENSE DM9000 initialization fix [PATCH] rt2x00: Add new rt73usb USB ID [PATCH] rt2x00: Fix residual check in PLCP calculations. [PATCH] iwlwifi: Fix rate setting in probe request for HW sacn [PATCH] b43: Make b43_stop() static [PATCH] drivers/net/wireless/b43/main.c: fix an uninitialized variable [PATCH] iwlwifi: set correct base rate for A band in rs_dbgfs_set_mcs [PATCH] zd1211rw, fix oops when ejecting install media [PATCH] b43legacy: Fix potential return of uninitialized variable [PATCH] iwl4965-base.c: fix off-by-one errors [PATCH] p54: Make filter configuration atomic [PATCH] rtl8187: remove NICMAC setting in configure_filters callback [PATCH] janitorial: fix all double includes in drivers/net/wireless [PATCH] rtl8187: Fix more frag bit checking, rts duration calc [PATCH] ipw2100: send WEXT scan events ...
2007-10-19Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] sata_sis: use correct S/G table size pata_cs5536: MWDMA fix sata_sis: fix SCR read breakage libata: fix kernel-doc param name
2007-10-19Merge branch 'fixes-jgarzik' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream
2007-10-19Fix build break in tsi108.cOlof Johansson
Fix build break: drivers/net/tsi108_eth.c: In function 'tsi108_init_one': drivers/net/tsi108_eth.c:1633: error: expected ')' before 'dev' drivers/net/tsi108_eth.c:1633: warning: too few arguments for format make[2]: *** [drivers/net/tsi108_eth.o] Error 1 Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19qeth: remove header_ops bugUrsula Braun
Remove qeth bug caused by commit: [NET]: Move hardware header operations out of netdevice. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19ir-functions.c:(.text+0xbce18): undefined reference to `input_event'Randy Dunlap
[bugme-daemon@bugzilla.kernel.org wrote:] From: Randy Dunlap <randy.dunlap@oracle.com> Drivers that use lro functions should depend on INET, otherwise they may not link correctly. Let's not select INET. Select should be used only for library-like code, not to enable subsystems. ERROR: "lro_flush_all" [drivers/net/myri10ge/myri10ge.ko] undefined! ERROR: "lro_receive_frags" [drivers/net/myri10ge/myri10ge.ko] undefined! Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19NAPI: kconfig prompt and deleted doc fileRandy Dunlap
- make the kconfig NAPI option prompt consistent across all net drivers (other than EXPERIMENTAL; can it now be removed also, or is the new napi_struct implementation now EXPERIMENTAL ?) - remove comment about the now-deleted NAPI_HOWTO.txt file - clean up typos in Tulip NAPI & Interrupt Mitigation Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19phy/bitbang: missing MODULE_LICENSERandy Dunlap
Missing MODULE_LICENSE(), loading this module taints the kernel. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19DM9000 initialization fixMike Rapoport
DM9000 driver returns success even if it is failed to detect the chip. Below patch fixes it. Signed-off-by: Mike Rapoport <mike@compulab.co.il> drivers/net/dm9000.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19[libata] sata_sis: use correct S/G table sizeJeff Garzik
sata_sis has the same restrictions as other SFF controllers, and so must use LIBATA_MAX_PRD to denote that SCSI may only fill ATA_MAX_PRD/2 entries, due to our need to handle IOMMU merging. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2007-10-19pata_cs5536: MWDMA fixBartlomiej Zolnierkiewicz
* Fix out-of-bound array access for MWDMA modes. * Bump driver version. Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19sata_sis: fix SCR read breakageTejun Heo
SCR read for controllers which uses PCI configuration space for SCR access got broken while adding @val argument to SCR accessors. Fix it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19libata: fix kernel-doc param nameRandy Dunlap
Fix libata kernel-doc parameter name. Warning(linux-2.6.23-git13//drivers/ata/libata-core.c:1415): No description found for parameter 'sgl' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-19Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (50 commits) ide: remove inclusion of non-existent io_trace.h ide-disk: add get_smart_data() helper ide: fix ->data_phase in taskfile_load_raw() ide: check drive->using_dma in flagged_taskfile() ide: check ->dma_setup() return value in flagged_taskfile() dtc2278: note on docs qd65xx: remove pointless qd_{read,write}_reg() (take 2) ide: PCI BMDMA initialization fixes (take 2) ide: remove stale comments from ide-taskfile.c ide: remove dead code from ide_driveid_update() ide: use __ide_end_request() in ide_end_dequeued_request() ide: enhance ide_setup_pci_noise() cs5530: remove needless ide_lock taking ide: take ide_lock for prefetch disable/enable in do_special() ht6560b: fix deadlock on error handling cmd640: fix deadlock on error handling slc90e66: fix deadlock on error handling opti621: fix deadlock on error handling qd65xx: fix deadlock on error handling dtc2278: fix deadlock on error handling ...
2007-10-20dm crypt: tidy pendingMilan Broz
Add crypt prefix to dec_pending to avoid confusing it in backtraces with the dm core function of the same name. No functional change here. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm mpath: send ueventsMike Anderson
This patch adds calls to dm_path_event for a failed path and a reinstated path. Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: uevent generate eventsMike Anderson
This patch adds support for the dm_path_event dm_send_event functions which create and send udev events. Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: add uevent to coreMike Anderson
This patch adds a uevent skeleton to device-mapper. Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: export name and uuidMike Anderson
This patch adds a function to obtain a copy of a mapped device's name and uuid. Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm raid1: add mirror_set to struct mirrorJonathan Brassow
Store a pointer to the owning mirror_set structure within each mirror structure for a subsequent patch to use. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm log: split suspendJonathan Brassow
There are now two phases to a suspend in device-mapper - presuspend and postsuspend. This patch removes the single 'suspend' in the logging API and replaces it with 'presuspend' and 'postsuspend' functions to align it better with core device-mapper. A subsequent patch will make use of 'presuspend'. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm mpath: hp retry if not readyDave Wysochanski
This patch adds retries to the hp hardware handler, and utilizes the MP_RETRY flag of dm-multipath. For now in the hp handler, if we get a pg_init completed with a check condition we just assume we can retry the pg_init command. We make this assumption because of incomplete data on specific check condition code of the HP hardware, and because testing has shown the HP path initialization command to be idempotent. The number of times we retry is settable via the "pg_init_retries" multipath map feature. Signed-off-by: Dave Wysochanski <dwysocha@redhat.com> Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm mpath: add hp handlerDave Wysochanski
This patch adds the most basic dm-multipath hardware support for the HP active/passive arrays. Signed-off-by: Dave Wysochanski <dwysocha@redhat.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm mpath: add retry pg initDave Wysochanski
This patch allows a failed path group initialisation command to be retried. It adds a generic MP_RETRY flag and a "pg_init_retries" feature to device-mapper multipath which limits the number of retries. 1. A hw handler sends a path initialization command to the storage and the command completes with an error code indicating the command should be retried. 2. The hardware handler calls dm_pg_init_complete() with MP_RETRY set in err_flags to ask the dm multipath core to retry. 3. If the retry limit has not been exceeded, pg_init() is retried. Otherwise fail_path() is called. If you are using the userspace multipath-tools or device-mapper-multipath package, you can set pg_init_retries in the 'device' section of your /etc/multipath.conf file. For example: features "2 pg_init_retries 7" The number of PG retries attempted is reported in the 'dmsetup status' output. Signed-off-by: Dave Wysochanski <dwysocha@redhat.com> Acked-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm crypt: tidy labelsMilan Broz
Replace numbers with names in labels in error paths, to avoid confusion when new one get added between existing ones. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm crypt: tidy whitespaceMilan Broz
Clean up, convert some spaces to tabs. No functional change here. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm crypt: add post processing queueMilan Broz
Add post-processing queue (per crypt device) for read operations. Current implementation uses only one queue for all operations and this can lead to starvation caused by many requests waiting for memory allocation. But the needed memory-releasing operation is queued after these requests (in the same queue). Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm crypt: use per device singlethread workqueuesMilan Broz
Use a separate single-threaded workqueue for each crypt device instead of one global workqueue. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm mpath: emc fix an error messageAlasdair G Kergon
Correct an error message, reported by Michael Wood <michael@frogfoot.com>. Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: bio_list macro renamingAlasdair G Kergon
Remove BIO_LIST and DEFINE_BIO_LIST macros that gain us nothing since contents are initialised to NULL. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm io:ctl remove vmalloc void castJesper Juhl
In drivers/md/dm-ioctl.c::copy_params() there's a call to vmalloc() where we currently cast the return value, but that's pretty pointless given that vmalloc() returns "void *". Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: tidy bio_io_error usageMilan Broz
Use bio_io_error() in only two places and tidy the code, preparing for later patches. There is no functional change in this patch. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20kcopyd use mutex instead of semaphoreMatthias Kaehlcke
Kcopyd uses a semaphore as mutex. Use the mutex API instead of the (binary) semaphore, Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2007-10-20dm: use kzallocDmitry Monakhov
Convert kmalloc() + memset() to kzalloc(). Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: use is_power_of_2vignesh babu
Replacing n & (n - 1) for power of 2 check by is_power_of_2(n) Signed-off-by: vignesh babu <vignesh.babu@wipro.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm: fix thaw_bdevJun'ichi Nomura
This patch fixes a bd_mount_sem counter corruption bug in device-mapper. thaw_bdev() should be called only when freeze_bdev() was called for the device. Otherwise, thaw_bdev() will up bd_mount_sem and corrupt the semaphore counter. struct block_device with the corrupted semaphore may remain in slab cache and be reused later. Attached patch will fix it by calling unlock_fs() instead. unlock_fs() will determine whether it should call thaw_bdev() by checking the device is frozen or not. Easy reproducer is: #!/bin/sh while [ 1 ]; do dmsetup --notable create a dmsetup --nolockfs suspend a dmsetup remove a done It's not easy to see the effect of corrupted semaphore. So I have tested with putting printk below in bdev_alloc_inode(): if (atomic_read(&ei->bdev.bd_mount_sem.count) != 1) printk(KERN_DEBUG "Incorrect semaphore count = %d (%p)\n", atomic_read(&ei->bdev.bd_mount_sem.count), &ei->bdev); Without the patch, I saw something like: Incorrect semaphore count = 17 (f2ab91c0) With the patch, the message didn't appear. The bug was introduced in 2.6.16 with this bug fix: commit d9dde59ba03095e526640988c0fedd75e93bc8b7 Date: Fri Feb 24 13:04:24 2006 -0800 [PATCH] dm: missing bdput/thaw_bdev at removal Need to unfreeze and release bdev otherwise the bdev inode with inconsistent state is reused later and cause problem. and backported to 2.6.15.5. It occurs only in free_dev(), which is called only when the dm device is removed. The buggy code is executed only if md->suspended_bdev is non-NULL and that can happen only when the device was suspended without noflush. Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: stable@kernel.org
2007-10-20dm delay: fix statusMilan Broz
Fix missing space in dm-delay target status output if separate read and write delay are configured. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm delay: fix ctr error pathsDmitry Monakhov
Add missing 'dm_put_device' to dm-delay target constructor. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm raid1: fix leakageDmitry Monakhov
Add missing 'dm_io_client_destroy' to alloc_context error path. Reorganize mirror constructor error path in order to prevent workqueue leakage. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm crypt: missing kfree in ctr error pathDmitry Monakhov
Insert missing kfree() in crypt_iv_essiv_ctr() error path. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm crypt: drop device ref in ctr error pathDmitry Monakhov
Add a missing 'dm_put_device' in an error path in crypt target constructor. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20dm io:ctl use constant struct sizeMilan Broz
Make size of dm_ioctl struct always 312 bytes on all supported architectures. This change retains compatibility with already-compiled code because it uses an embedded offset to locate the payload that follows the structure. On 64-bit architectures there is no change at all; on 32-bit we are increasing the size of dm-ioctl from 308 to 312 bytes. Currently with 32-bit userspace / 64-bit kernel on x86_64 some ioctls (including rename, message) are incorrectly rejected by the comparison against 'param + 1'. This breaks userspace lvrename and multipath 'fail_if_no_path' changes, for example. (BTW Device-mapper uses its own versioning and ignores the ioctl size bits. Only the generic ioctl compat code on mixed arches checks them, and that will continue to accept both sizes for now, but we intend to list 308 as deprecated and eventually remove it.) Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: Guido Guenther <agx@sigxcpu.org> Cc: Kevin Corry <kevcorry@us.ibm.com> Cc: stable@kernel.org
2007-10-20dm mpath: rdac fix init raceBryn M. Reeves
Re-order the initialisation of dm-rdac to avoid registering the hw handler before the workqueue has been initialised. Closes a race that would potentially give an oops. Signed-off-by: Bryn M. Reeves <breeves@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20ide: remove inclusion of non-existent io_trace.hRobert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Cc: gadio@netvision.net.il Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-20ide-disk: add get_smart_data() helperBartlomiej Zolnierkiewicz
Merge get_smart_values() and get_smart_thresholds() into get_smart_data() helper. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-20ide: fix ->data_phase in taskfile_load_raw()Bartlomiej Zolnierkiewicz
It should be TASKFILE_NO_DATA, not TASKFILE_IN. Luckily ATM ->data_phase is unused if ->command_type == IDE_DRIVE_TASK_NO_DATA but this may change in the future. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-20ide: check drive->using_dma in flagged_taskfile()Bartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-20ide: check ->dma_setup() return value in flagged_taskfile()Bartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-20dtc2278: note on docsAlan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-20qd65xx: remove pointless qd_{read,write}_reg() (take 2)Bartlomiej Zolnierkiewicz
These functions are atomic so locking is pointless (noticed by Sergei). v2: We can now just use local_irq_save/restore() in qd_testreg() (noticed by Jeff). Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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