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Also fixes typo which could cause build break
Signed-off-by: Steve French <sfrench@us.ibm.com>
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This allows cifs to mount to ipc shares (IPC$)
which will allow user space applications to
layer over authenticated cifs connections
(useful for Wine and others that would want
to put DCE/RPC over CIFS or run CIFS named
pipes)
Acked-by: Rob Shearman <rob@codeweavers.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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We were allocating request buffers twice in the statfs
path when mounted to very old (Windows 9x) servers.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Add code to be able to dump CIFS ACL information
when Query Posix ACL with cifsacl mount parm enabled.
Signed-off-by: Shirish Pargoankar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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A reasonably common NAS server returns an error on the SetFSInfo of
the Unix capabilities. Log a message for this alerting the user
that the server may have problems with the Unix extensions,
and telling them what they can do to workaround it.
Unfortunately the server does not return other clues
that we could easily use to turn the Unix Extension support
off automatically in this case (since they claim to support it).
Signed-off-by: Steve French <sfrench@us.ibm.com>
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posix ops
Signed-off-by: Steve French <sfrench@us.ibm.com>
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There is a small memory leak in fs/cifs/inode.c::cifs_mkdir().
Storage for 'pInfo' is allocated with kzalloc(), but if the call
to CIFSPOSIXCreate(...) happens to return 0 and pInfo->Type == -1,
then we'll jump to the 'mkdir_get_info' label without freeing the
storage allocated for 'pInfo'.
This patch adds a kfree() call to free the storage just before
jumping to the label, thus getting rid of the leak.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Potential problem was noticed by Cyrill Gorcunov
CC: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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When making a directory with POSIX mkdir calls, cifs_mkdir does not
respect the umask. This patch causes the new POSIX mkdir to create with
the right mode
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Harmless since it only protected turning off caching for the
inode, but cleaner to lock around this in case we have a close
racing with open.
Signed-off-by: Shaggy <shaggy@us.ibm.com>
CC: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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There was a case in which find_writable_file was not waiting long enough
under heavy stress when writepages was racing with close of the file
handle being used by the write.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs reconnect could end up happening incorrectly due to
the small initial tcp recvmsg response. When the socket
was within three bytes of being full and the recvmsg
returned only 1 to 3 bytes of the initial 4 byte
read of the RFC1001 length field. Fortunately this
seems to be less common on more current kernels, but
this fixes it so cifs tries to retrieve all 4 bytes
of the initial tcp read.
Signed-off-by: Shirish Pargoankar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Andrew Haupt <andre@finow14.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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On a mount without posix extensions enabled, when an unlock request is
made, the client can release more than is intended. To reproduce, on a
CIFS mount without posix extensions enabled:
1) open file
2) do fcntl lock: start=0 len=1
3) do fcntl lock: start=2 len=1
4) do fcntl unlock: start=0 len=1
...on the unlock call the client sends an unlock request to the server
for both locks. The problem is a bad test in cifs_lock.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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vmtruncate had added the same fix to handle the case of private pages
being Copy on writed while truncate_inode_pages is going on
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Gerd Hoffmann pointed out that my patch from yesterday can lead
to a null pointer dereference if the kernel is booted with no
console, and no earlyprintk defined. This fixes that issue.
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The initial user manuals for MPC8544/8533 had some issues with properly
documenting the device IDs for MPC8544/8533. These processors are almost
identical and both show up on the reference boards.
Fix up the quirks for PCIe support to handle MPC8533/E.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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There are special PHY settings available on Yukon EC-U chip that
should not get cleared. This should solve mysterious errors on some
motherboards (like Gigabyte DS-3).
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This fixes handling of USB ISO completion error -EXDEV and includes
several other changes to current CVS version at isdn4linux.de (changes
in debug flags, style of code remarks, etc)
Signed-off-by: Martin Bachem <info@colognechip.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I did some testing and found quite a lot of problems (doesn't
boot at all on non NUMA and misassigns cores on Opteron systems).
Mark it as experimental and warn against its use for now.
It's still default y for SUMMIT/NUMAQ because it'll presumably
work on these systems.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 196705c9bbc03540429b0f7cf9ee35c2f928a534. It was
reported to cause a regression by Daniel Exner, and Arjan van de Ven
points out that we actually already have infrastructure in place for
setting limits on acceptable DMA latency that would be the much more
correct fix for the problem with some Broadcom EHCI controllers.
Fixed up trivial conflicts due to the changes to support big-endian host
controller descriptors in drivers/usb/host/{ehci-sched.c,ehci.h}.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch uses kzalloc to zero all of struct dio rather than manually
trying to track which fields we rely on being zero. It passed aio+dio
stress testing and some bug regression testing on ext3.
This patch was introduced by Linus in the conversation that lead up to
Badari's minimal fix to manually zero .map_bh.b_state in commit:
6a648fa72161d1f6468dabd96c5d3c0db04f598a
It makes the code a bit smaller. Maybe a couple fewer cachelines to
load, if we're lucky:
text data bss dec hex filename
3285925 568506 1304616 5159047 4eb887 vmlinux
3285797 568506 1304616 5158919 4eb807 vmlinux.patched
I was unable to measure a stable difference in the number of cpu cycles
spent in blockdev_direct_IO() when pushing aio+dio 256K reads at
~340MB/s.
So the resulting intent of the patch isn't a performance gain but to
avoid exposing ourselves to the risk of finding another field like
.map_bh.b_state where we rely on zeroing but don't enforce it in the
code.
Signed-off-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
ide-disk: workaround for buggy HPA support on ST340823A (take 3)
hpt34x: fix CONFIG_HPT34X_AUTODMA=n handling
triflex: add missing ->dma_base check
pdc202xx_old: add missing ->dma_base check
pdc202xx_new: add missing ->dma_base check
cs5530: add missing ->dma_base check
ide: ide_config_drive_speed() bugfixes
ide: add cable detection for early UDMA66 devices (take 3)
ide-pmac: fix drive->init_speed reporting
ide: config_drive_for_dma() fixes
ide-cris: fix ->set_pio_mode method to set transfer mode on the device
ide: fix hidden dependencies on CONFIG_IDE_GENERIC
ide: make CONFIG_IDE_GENERIC default to N
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
V4L/DVB (6028): Turn an unnecessary mdelay() into msleep().
V4L/DVB (6027): Get rid of an ill-behaved msleep in i2c write
V4L/DVB (6026): Avoid powering up the camera on resume
V4L/DVB (6016): get_dvb_firmware: update script for new location of tda10046 firmware
V4L/DVB (5991): dvb-pll: Set minimum and maximum frequency properly
V4L/DVB (5969): ivtv: report ivtv version in status log
V4L/DVB (5967): ivtv: fix VIDIOC_S_FBUF:new OSD values where never set
V4L/DVB (5968): videodev2.h: remove superfluous FBUF GLOBAL_INV_ALPHA support
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Commit a491486a2087ac3dfc00efb4f838c8d684afaf54 introduced a locking
problem in JFFS2 -- we up() the alloc_sem when we weren't previously
holding it. This leads to all kinds of fun behaviour later.
There was a _reason_ for the
if (1 /* alternative path needs testing */ ||
which the above-mentioned commit removed :)
Discovered and debugged by Giulio Fedel <giulio.fedel@andorsystems.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
* 'fixes-2.6.23' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
[POWERPC] Fix 8xx compile failure
[POWERPC] Fix FSL BookE machine check reporting
[POWERPC] Fix interrupt routing and setup of ULI M1575 on FSL boards
[POWERPC] Add interrupt resource for RTC CMOS driver
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This is a followup to the cleanups for earlyprintk patch from Gerd Hoffmann
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=69331af79cf29e26d1231152a172a1a10c2df511
This ensures that a bootconsole is unregistered if it is not replaced.
The current implementation spews garbage out the bootconsole in this case,
since the bootconsole structure is normally in the init section, and is
freed, but still used.
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This disk reports total number of sectors instead of maximum sector address
in response to READ_NATIVE_MAX_ADDRESS command and also happily accepts
SET_MAX_ADDRESS command with the bogus value. This results in +1 sector
capacity being used and errors on attempts to use the last sector.
...
hdd: Host Protected Area detected.
    current capacity is 78165360 sectors (40020 MB)
    native  capacity is 78165361 sectors (40020 MB)
hdd: Host Protected Area disabled.
...
hdd: reading: block=78165360, sectors=1, buffer=0xc1e63000
hdd: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdd: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=78165360, sector=78165360
...
Add hpa_list[] table and workaround the issue in idedisk_check_hpa().
v2:
* Add missing export and improve patch description a bit.
v3:
* Add list termination. (From Mikko)
Fixes kernel bugzilla bug #8816.
Thanks to Mikko for investigating the issue and helping with this patch.
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Programming DMA mode may destroy current PIO mode setting so if
CONFIG_HPT34X_AUTODMA=n (the default case) make ide_tune_dma() fail
early by disabling all host DMA masks and re-tune PIO mode.
This fix doesn't help with the driver being broken but is needed
for some other changes.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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If ->dma_base is not set (== PCI BAR4 cannot be reserved) then DMA hooks
shouldn't be initialized or bad things will happen.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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If ->dma_base is not set (== PCI BAR4 cannot be reserved) then DMA hooks
shouldn't be initialized or bad things will happen.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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If ->dma_base is not set (== PCI BAR4 cannot be reserved) then DMA hooks
shouldn't be initialized or bad things will happen.
Also this host driver requires valid PCI BAR4 for normal operation so
check it in ->init_chipset and fail initialization if not set.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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If ->dma_base is not set (== PCI BAR4 cannot be reserved) then DMA hooks
shouldn't be initialized or bad things will happen.
Also this host driver requires valid PCI BAR4 for normal operation so
check it in ->init_chipset and fail initialization if not set.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use ->OUTBSYNC instead of ->OUTB when writing command register
(needed for scc_pata and pmac host drivers).
* Don't check DRDY bit of the status register on ATAPI devices
(ATAPI devices are free to ignore DRDY bit).
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Cc: Akira Iguchi <akira2.iguchi@toshiba.co.jp>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Move ide_in_drive_list() from ide-dma.c to ide-iops.c.
* Add ivb_list[] table for listening early UDMA66 devices which don't conform
to ATA4 standard wrt cable detection (bit14 is zero, only bit13 is valid)
and use only device side cable detection for them since host side cable
detection may be unreliable.
* Add model "QUANTUM FIREBALLlct10 05" with firwmare "A03.0900" to the list
(from Craig's bugreport).
v2:
* Improve kernel message basing on suggestion from Sergei.
v3:
* Don't print kernel message when no device side cable detection is done,
plus some minor fixes. (Noticed by Sergei)
Thanks to Craig for testing this patch.
Cc: Craig Block <chblock3@yahoo.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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pmac_ide_tune_chipset() don't set drive->init_speed.
Fix it by setting drive->{current,init}_speed in pmac_ide_do_setfeature()
and clean up pmac_ide_{tune_chipset,mdma_enable,udma_enable}().
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add DMA blacklist checking (->ide_dma_on check probably can go now).
* Add ->atapi_dma flag checking and remove no longer needed
ns87415_ide_dma_check() from ns87415 host driver.
* Remove now needless __ide_dma_check() wrapper and symbol export.
* Check drive->autodma instead of hwif->autodma (there should be no changes in
behavior as all users of config_drive_for_dma() set both ->autodma flags).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Some host drivers depend on CONFIG_IDE_GENERIC to do the probing but their
config options lack explicit dependencies on IDE_GENERIC. In the long-term
these host drivers should be fixed to do the probing themselves but for now
fix them by making their config options select CONFIG_IDE_GENERIC.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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These days, CONFIG_IDE_GENERIC causes more confusion and
misconfiguration than it helps. Especially so because libata is
linked after the generic driver. Default to N.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: "P.C.Chan" <pc.chan@alcatel-lucent.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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