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* Add serial number support for virtio_blk, V4ajohn cooper2009-06-09
| | | | | | | | | | | | | | | This patch extracts the opaque data from pci i/o region 0 via the added VIRTIO_BLK_F_IDENTIFY field. By convention this data takes the form of that returned by an ATA IDENTIFY DEVICE command, however the driver (except for structure size) makes no interpretation of the data. The structure data is copied wholesale to userspace via a HDIO_GET_IDENTITY ioctl command (eg: hdparm -i <dev>). Signed-off-by: john cooper <john.cooper@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Add missing bounce_pfn stacking and fix commentsMartin K. Petersen2009-06-09
| | | | | | | | | | DM no longer needs to set limits explicitly when calling blk_stack_limits. Let the latter automatically deal with bounce_pfn scaling. Fix kerneldoc variable names. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Revert "block: Fix bounce limit setting in DM"Jens Axboe2009-06-09
| | | | | | | | This reverts commit a05c0205ba031c01bba33a21bf0a35920eb64833. DM doesn't need to access the bounce_pfn directly. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: decode unit attention in SCSI error handling codescameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | | Make SCSI reset error handler decode unit attention ASC and after a target reset wait for a unit attention that indicates a reset occurred rather than just for any old unit attention. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: Remove no longer needed sendcmd reject processing codescameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | | | | Now that the cciss SCSI error handling routines operate with interrupts enabled, we no longer need to maintain the list of command completions that sendcmd() might inadvertantly scoop up, since now it only runs at driver init time, and there won't be any other commands for it to scoop up. So we can remove that list and the code that adds to it and processes it. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: change SCSI error handling routines to work with interrupts enabled.scameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | Change cciss scsi error handling routines to work with interrupts enabled. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: separate error processing and command retrying code in ↵scameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | | | | | sendcmd_withirq_core() Separate the error processing from sendcmd_withirq_core from the code which retries commands. The rationale for this is that the SCSI error handling code can then be made to use sendcmd_withirq_core, but avoid retrying commands. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: factor out fix target status processing code from sendcmd functionsscameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | | Factor out code to process target status of completed commands in sendcmd() and sendcmd_withirq_core(), and fix problem that bad target status was ignored in sendcmd_withirq_core. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: simplify interface of sendcmd() and sendcmd_withirq()scameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | Simplify interfaces of sendcmd() and sendcmd_withirq() so that they provide only one way to address commands instead of three ways. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: factor out core of sendcmd_withirq() for use by SCSI error handling codescameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | Factor the core of sendcmd_withirq out to provide a simpler interface which provides access to full error information. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: Use schedule_timeout_uninterruptible in SCSI error handling codescameron@beardog.cca.cpqcorp.net2009-06-08
| | | | | | | | | Use schedule_timeout_uninterruptible instead of schedule_timeout in the scsi error handling code when waiting between TUR polls since we are not interested in nor want to be interrupted by signals. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: needs to set the residual length of a bidi requestFUJITA Tomonori2009-06-08
| | | | | | | | | | | Tejun's "block: set rq->resid_len to blk_rq_bytes() on issue" patch seems to be incomplete; It doesn't set rq->resid_len to blk_rq_bytes() for a bidi request (req->next_rq). As a result, all bidi users are broken. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Revert "block: implement blkdev_readpages"Jens Axboe2009-06-04
| | | | | | | | | | This reverts commit db2dbb12dc47a50c7a4c5678f526014063e486f6. It apparently causes problems with partition table read-ahead on archs with large page sizes. Until that problem is diagnosed further, just drop the readpages support on block devices. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Fix bounce limit setting in DMMartin K. Petersen2009-06-03
| | | | | | | | | | blk_queue_bounce_limit() is more than a wrapper about the request queue limits.bounce_pfn variable. Introduce blk_queue_bounce_pfn() which can be called by stacking drivers that wish to set the bounce limit explicitly. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Removed reference to non-existing file Documentation/PCI/PCI-DMA-mapping.txtvibi sreenivasan2009-06-02
| | | | | | | | File Documentation/PCI/PCI-DMA-mapping.txt does not exist. Documentation/DMA-mapping.txt contains DMA Mapping details Signed-off-by: vibi sreenivasan <vibi_sreenivasan@cms.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: use schedule_timeout_interruptible()Andrew Morton2009-06-02
| | | | | | | | | | Use schedule_timeout_interruptible() instead of open-coding the set and schedule parts. Cc: Mike Miller <mikem@beardog.cca.cpqcorp.net> Cc: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: add cciss driver sysfs entriesAndrew Patterson2009-06-02
| | | | | | | | | | | | | | | | | Add sysfs entries to the cciss driver needed for the dm/multipath tools. A file for vendor, model, rev, and unique_id is added for each logical drive under directory /sys/bus/pci/devices/<dev>/ccissX/cXdY. Where X = the controller (or host) number and Y is the logical drive number. A link from /sys/bus/pci/devices/<dev>/ccissX/cXdY/block:cciss!cXdY to /sys/block/cciss!cXdY/device is also created. A bus is created in /sys/bus/cciss. A link is created from the pci ccissX entry to /sys/bus/cciss/devices/ccissX. Please consider this for inclusion. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: fix SCSI device reset handlerStephen M. Cameron2009-06-02
| | | | | | | | | | | | | | | | | | | | Fix the SCSI reset error handler to send a working, properly addressed reset message to the target device and add code to wait for the target device to become ready by polling it with Test Unit Ready. The existing reset code was broken in that it didn't bother to set the 8-byte LUN address to anything besides zero, so the command was addressed to the controller, which pretended to the driver that the command succeeded, while doing nothing. Ages ago I tested this code, but unbeknownst to me, my test was flawed, and what I thought was a tape drive getting reset was actually nothing of the sort. Unfortunately, there is still lots of Smartarray firmware that doesn't handle doing target resets right, and this code won't help in those cases, but it also shouldn't make things worse in those cases than they already are. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Cc: Mike Miller <mikem@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: factor out core of sendcmd() for a more sane interfaceStephen M. Cameron2009-06-02
| | | | | | | | | | | | Factor out the core of sendcmd() to provide a simpler interface which exposes all the error information to the caller and make the original sendcmd use this new function. Rationale: The SCSI error handling routines need to send commands with interrupts turned off, but they also need access to the full error information. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Cc: Mike Miller <mikem@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: fix a possible oops on elv_abort_queue()Kiyoshi Ueda2009-06-02
| | | | | | | | | | | | | | | | I found one more mis-conversion to the 'request is always dequeued when completing' model in elv_abort_queue() during code inspection. Although I haven't hit any problem caused by this mis-conversion yet and just done compile/boot test, please apply if you have no problem. Request must be dequeued when it completes. However, elv_abort_queue() completes requests without dequeueing. This will cause oops in the __blk_end_request_all(). This patch fixes the oops. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: fix an oops on BLKPREP_KILLJames Bottomley2009-05-30
| | | | | | | | | | | | | | Doing a bit of torture testing, I ran across a BUG in the block subsystem (at blk-core.c:2048): the test for if the request is queued. It turns out the trigger was a BLKPREP_KILL coming out of the SCSI prep function. Currently for BLKPREP_KILL requests, we send them straight into __blk_end_request_all() with an error, but they've never been dequeued, so they trip the bug. Fix this by starting requests before killing them. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: export blk_stack_limits()Mike Snitzer2009-05-28
| | | | | | | | DM needs to use blk_stack_limits(), so it needs to be exported. Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: fix no diskstat problemKiyoshi Ueda2009-05-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit below in 2.6-block/for-2.6.31 causes no diskstat problem because the blk_discard_rq() check was added with '&&'. It should be 'blk_fs_request() || blk_discard_rq()'. This patch does it and fixes the no diskstat problem. Please review and apply. ------ /proc/diskstat without this patch ------------------------------------- 8 0 sda 0 0 0 0 0 0 0 0 0 0 0 ------------------------------------------------------------------------------ ----- /proc/diskstat with this patch applied --------------------------------- 8 0 sda 4186 303 373621 61600 9578 3859 107468 169479 2 89755 231059 ------------------------------------------------------------------------------ -------------------------------------------------------------------------- commit c69d48540c201394d08cb4d48b905e001313d9b8 Author: Jens Axboe <jens.axboe@oracle.com> Date: Fri Apr 24 08:12:19 2009 +0200 block: include discard requests in IO accounting We currently don't do merging on discard requests, but we potentially could. If we do, then we need to include discard requests in the IO accounting, or merging would end up decrementing in_flight IO counters for an IO which never incremented them. So enable accounting for discard requests. <snip> static inline int blk_do_io_stat(struct request *rq) { - return rq->rq_disk && blk_rq_io_stat(rq) && blk_fs_request(rq); + return rq->rq_disk && blk_rq_io_stat(rq) && blk_fs_request(rq) && + blk_discard_rq(rq); } -------------------------------------------------------------------------- Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: fix oops with block tag queueingJames Bottomley2009-05-27
| | | | | | | | | | | | | | | | | | | | | | commit e8939a50466fd963eb1ba9118c34b9ffb7ff6aa6 Author: Tejun Heo <tj@kernel.org> Date: Fri May 8 11:54:16 2009 +0900 block: implement and enforce request peek/start/fetch Added a BUG_ON(blk_queued_rq(req)) to the top of blk_finish_req(). Unfortunately, this checks whether req->queuelist is empty. This list is doing double duty both as the queue list and the tag list, so tagged requests come in here with this not empty and boom (the tag list is emptied by blk_queue_end_tag() lower down). Fix this by moving the BUG_ON to below the end tag we also seem vulnerable to this in blk_requeue_request() as well. I think all uses of blk_queued_rq() need auditing because the check is clearly wrong in the tagged case. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* ide-disk: fix missing max_sectors accessor functionMartin K. Petersen2009-05-23
| | | | | | | | | | | | | The recent move to accessor functions for querying queue limits missed an entry in ide-disk.c: drivers/ide/ide-disk.c: In function ‘ide_disk_setup’: drivers/ide/ide-disk.c:642: error: ‘struct request_queue’ has no member named ‘max_sectors’ Fix it. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Export I/O topology for block devices and partitionsMartin K. Petersen2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | To support devices with physical block sizes bigger than 512 bytes we need to ensure proper alignment. This patch adds support for exposing I/O topology characteristics as devices are stacked. logical_block_size is the smallest unit the device can address. physical_block_size indicates the smallest I/O the device can write without incurring a read-modify-write penalty. The io_min parameter is the smallest preferred I/O size reported by the device. In many cases this is the same as the physical block size. However, the io_min parameter can be scaled up when stacking (RAID5 chunk size > physical block size). The io_opt characteristic indicates the optimal I/O size reported by the device. This is usually the stripe width for arrays. The alignment_offset parameter indicates the number of bytes the start of the device/partition is offset from the device's natural alignment. Partition tools and MD/DM utilities can use this to pad their offsets so filesystems start on proper boundaries. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Expose stacked device queues in sysfsMartin K. Petersen2009-05-22
| | | | | | | | | | | | | Currently stacking devices do not have a queue directory in sysfs. However, many of the I/O characteristics like sector size, maximum request size, etc. are queue properties. This patch enables the queue directory for MD/DM devices. The elevator code has been modified to deal with queues that do not have an I/O scheduler. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Move queue limits to an embedded structMartin K. Petersen2009-05-22
| | | | | | | | To accommodate stacking drivers that do not have an associated request queue we're moving the limits to a separate, embedded structure. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Use accessor functions for queue limitsMartin K. Petersen2009-05-22
| | | | | | | | Convert all external users of queue limits to using wrapper functions instead of poking the request queue variables directly. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Do away with the notion of hardsect_sizeMartin K. Petersen2009-05-22
| | | | | | | | | | | | | | Until now we have had a 1:1 mapping between storage device physical block size and the logical block sized used when addressing the device. With SATA 4KB drives coming out that will no longer be the case. The sector size will be 4KB but the logical block size will remain 512-bytes. Hence we need to distinguish between the physical block size and the logical ditto. This patch renames hardsect_size to logical_block_size. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge branch 'master' into for-2.6.31Jens Axboe2009-05-22
|\ | | | | | | | | | | | | Conflicts: drivers/ide/ide-io.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * Merge branch 'for-linus' of ↵Linus Torvalds2009-05-22
| |\ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix memory leak in nilfs_ioctl_clean_segments
| | * nilfs2: fix memory leak in nilfs_ioctl_clean_segmentsRyusuke Konishi2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a new memory leak problem in garbage collection. The problem was brought by the bugfix patch ("nilfs2: fix lock order reversal in nilfs_clean_segments ioctl"). Thanks to Kentaro Suzuki for finding this problem. Reported-by: Kentaro Suzuki <k_suzuki@ms.sylc.co.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * | Merge branch 'for-linus' of ↵Linus Torvalds2009-05-22
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: via82cxxx: Add VIA VX855 PCI Device ID ide: report timeouts in ide_busy_sleep() ide: improve failed opcode reporting ide: fix printk() levels in ide_dump_ata[pi]_error() ide: fix OOPS during ide-cd error recovery ide: fix 40-wire cable detection for TSST SH-S202* ATAPI devices (v2)
| | * | via82cxxx: Add VIA VX855 PCI Device IDHarald Welte2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the PCI Device ID 0xc409 to the PCI ID table of via82cxxx.c, as well as the 0x8409 south bridge ID. This is required to make the IDE driver work on the VX855/VX875 integrated chipset. Signed-off-by: Harald Welte <HaraldWelte@viatech.com> Cc: Joseph Chan <JosephChan@via.com.tw> Cc: Bruce Chang <BruceChang@via.com.tw> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| | * | ide: report timeouts in ide_busy_sleep()Bartlomiej Zolnierkiewicz2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * change 'hwif' argument to 'drive' * report an error on timeout Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| | * | ide: improve failed opcode reportingBartlomiej Zolnierkiewicz2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nowadays we (almost) always store the currently executing command in hwif->cmd so we can use it for the failed opcode reporting. Cc: Martin Lottermoser <Martin.Lottermoser@t-online.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| | * | ide: fix printk() levels in ide_dump_ata[pi]_error()Bartlomiej Zolnierkiewicz2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes "<3>" in error messages like this one: hdc: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 } Reported-by: Martin Lottermoser <Martin.Lottermoser@t-online.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| | * | ide: fix OOPS during ide-cd error recoveryBartlomiej Zolnierkiewicz2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Tuesday 19 May 2009 20:29:28 Martin Lottermoser wrote: > hdc: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 } > ide: failed opcode was: unknown > hdc: DMA disabled > ------------[ cut here ]------------ > kernel BUG at drivers/ide/ide-io.c:872! It is possible for ide-cd to ignore ide_error()'s return value under some circumstances. Workaround it in ide_intr() and ide_timer_expiry() by checking if there is a device/port reset pending currently. Fixes bug #13345: http://bugzilla.kernel.org/show_bug.cgi?id=13345 Reported-by: Martin Lottermoser <Martin.Lottermoser@t-online.de> Reported-and-tested-by: Modestas Vainius <modestas@vainius.eu> Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| | * | ide: fix 40-wire cable detection for TSST SH-S202* ATAPI devices (v2)Bartlomiej Zolnierkiewicz2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since 2.6.26 we support UDMA66 on ATAPI devices requiring IVB quirk: commit 8588a2b732928b343233af9b1855705b8286bed4 ("ide: add SH-S202J to ivb_list[]") We also later added support for more such devices in: commit e97564f362a93f8c248246c19828895950341252 ("ide: More TSST drives with broken cable detection") and in: commit 3ced5c49bd2d1f2c7f769e3a54385883de63a652 ("ide: add TSSTcorp CDDVDW SH-S202H to ivb_list[]") It turns out that such devices lack cable detection altogether (which in turn results in incorrect detection of 40-wire cables by our current cable detection strategy) so always handle them by trusting host-side cable detection only. v2: Model detection fixup from Martin. Reported-and-tested-by: Martin Lottermoser <Martin.Lottermoser@t-online.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2009-05-22
| |\ \ \ | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] fix posix open regression
| | * | | [CIFS] fix posix open regressionSteve French2009-05-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Posix open code was not properly adding the file to the list of open files. Fix allocating cifsFileInfo more than once, and adding twice to flist and tlist. Also fix mode setting to be done in one place in these paths. Signed-off-by: Steve French <sfrench@us.ibm.com> Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com> Tested-by: Jeff Layton <jlayton@redhat.com> Tested-by: Luca Tettamanti <kronos.it@gmail.com>
| * | | | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2009-05-22
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: MIPS: IP32: Remove unnecessary if not even harmful volatile keywords. MIPS: IP32: Fix build error due to uninitialized variable. MIPS: Fix sparse warning in incompatiable argument type of clear_user.
| | * | | | MIPS: IP32: Remove unnecessary if not even harmful volatile keywords.Ralf Baechle2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | They are unneeded and as the issue fixed in lmo commit 63f7ec59053e3f850ab67a9938e631bcba64c6ce shows even harmful. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| | * | | | MIPS: IP32: Fix build error due to uninitialized variable.Ralf Baechle2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CC arch/mips/sgi-ip32/ip32-reset.o cc1: warnings being treated as errors arch/mips/sgi-ip32/ip32-reset.c: In function 'debounce': arch/mips/sgi-ip32/ip32-reset.c:97: error: 'reg_a' is used uninitialized in this function The issues is old but due to the volatile keyword gcc older than 4.4 did not warn about this obvious bug. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| | * | | | MIPS: Fix sparse warning in incompatiable argument type of clear_user.Wu Zhangjin2009-05-22
| | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The type of the second argument of access_ok should be (void __user *). The unnecessary conversion of the clear_user address argument was causing sparse to emit warnings on the __chk_user_ptr check. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | Merge branch 'merge' of ↵Linus Torvalds2009-05-22
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/maple: Add a quirk to disable MSI for IPR on Bimini
| | * | | | powerpc/maple: Add a quirk to disable MSI for IPR on BiminiMichael Ellerman2009-05-22
| | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Something in the HW or FW setup is busted and MSIs aren't working with IPR on Bimini, so until we figure out exaxtly what's up, we quirk them out Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * | | | Merge branch 'sh/for-2.6.30' of ↵Linus Torvalds2009-05-22
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-2.6.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: video: stop sh_mobile_lcdcfb only if started sh: ap325 camera without i2c driver fix
| | * | | | video: stop sh_mobile_lcdcfb only if startedMagnus Damm2009-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the LCDC driver to avoid calling the function sh_mobile_lcdc_start_stop(priv, 0) unless the same function has been called before to start the LCDC hardware. Triggered when sh_mobile_lcdcfb.c failed to probe() due to missing MSTP clocks. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 15:53:31 -0500