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The formula would yield -1 if the path is faster than the link, which
is wrong in a bad way (max throttling). Clamp to 0, which is the
correct value.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4680/1: parentheses around NR_IRQS definition
[ARM] 4679/1: AT91: Change maintainer email address
[ARM] 4675/1: pxa: fix mfp address definition error for pxa320
[ARM] 4674/1: pxa: increase LCD PCLK drive strength to fast 2mA for PXA300/PXA310
[ARM] 4673/1: pxa: add missing IRQ_SSP4 definitions for PXA3xx
[ARM] 4672/1: pxa: fix DRCMR(n) to support PXA27x and later processors
[ARM] 4665/1: fix __und_usr wrt accessing the undefined insn in user space
[ARM] 4659/1: remove possibilities for spurious false negative with __kuser_cmpxchg
[ARM] 4661/1: fix do_undefinstr wrt the enabling of IRQs
[ARM] uengine: fix memset size error
[ARM] 4648/1: i.MX/MX1 ensure more complete AITC initialization
[ARM] 4611/2: AT91: Fix GPIO buttons pins on SAM9261-EK.
[ARM] 4650/1: AT91: New-style init of I2C, support for i2c-gpio
[ARM] 4604/2: AT91: Master clock divistor on SAM9
[ARM] 4662/1: Fix PXA serial driver compilation if SERIAL_PXA_CONSOLE is disabled
[ARM] PXA ssp: unlock when ssp tries to close an invalid port
[ARM] 4654/1: pxa: update default MFP register value
[ARM] 4653/1: pxa: fix a gpio typo in mfp-pxa320.h
[ARM] 4652/1: pxa: fix a typo of pxa27x usb host clk definition
[ARM] 4651/1: pxa: add PXA3xx specific IRQ definitions
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The database performance group have found that half the cycles spent
in kmem_cache_free are spent in this one call to BUG_ON. Moving it
into the CONFIG_SLAB_DEBUG-only function cache_free_debugcheck() is a
performance win of almost 0.5% on their particular benchmark.
The call was added as part of commit ddc2e812d592457747c4367fb73edcaa8e1e49ff
with the comment that "overhead should be minimal". It may have been
minimal at the time, but it isn't now.
[ Quoth Pekka Enberg: "I don't think the BUG_ON per se caused the
performance regression but rather the virt_to_head_page() changes to
virt_to_cache() that were added later." ]
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Pekka J Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If a zero length pattern is passed then return EINVAL.
Avoids infinite loops (bm) or invalid memory accesses (kmp).
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix forgotten module release in xt_CONNMARK and xt_CONNSECMARK
When xt_CONNMARK is used outside the mangle table and the user specified
"--restore-mark", the connmark_tg_check() function will (correctly)
error out, but (incorrectly) forgets to release the L3 conntrack module.
Same for xt_CONNSECMARK.
Fix is to move the call to acquire the L3 module after the basic
constraint checks.
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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ipv6_skip_exthdr() returns -1 for invalid packets. don't WARN_ON
that.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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As far as I see from the err variable initialization
the dn_nl_deladdr() routine was designed to report errors
like "EADDRNOTAVAIL" and probaby "ENODEV".
But the code sets this err to 0 after the first nlmsg_parse
and goes on, returning this 0 in any case.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Avaid provided test application, so bug got fixed.
IPv6 addrconf removes ipv6 inner device from netdev each time cmu
changes and new value is less than IPV6_MIN_MTU (1280 bytes).
When mtu is changed and new value is greater than IPV6_MIN_MTU,
it does not add ipv6 addresses and inner device bac.
This patch fixes that.
Tested with Avaid's application, which works ok now.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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AF_RXRPC uses the crypto services, so should depend on or select CRYPTO.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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The IO access of PCI is not supported in R7780RP and the MS7780SE
board now. The support of the IO access mode of e100 and a lot of IDE
chips becomes possible by fixing the code.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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PCI IO space base address of SH7780 was wrong.
Change from 0xFE400000 to 0xFE200000.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes iwl_mac_add_interface.
1. Currently only one interface is supported, instead of silently retuning
0 now it returns -EOPNOTSUPP (By Johannes Berg)
2. It enables changing mac address from user space (By Ian Schram)
Signed-off-by: Tomas Winkler <tomas@localhost.localdomain>
Cc: Zhu Yi <yi.zhu@intel.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org
Cc: Ian Schram <ischram@telenet.be>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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lbs_mac_event_disconnected() was called once and then never again
upon a hardware MAC event.
The reason was that the driver didn't clean the correct bit in the interrupt
cause register of the chip.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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I'm not sure why it was doing this, and I'm not sure I _want_ to know
why. But calling it NETIF_F_DYNALLOC doesn't change the fact that the
kernel believes it to be NETIF_F_IPV6_CSUM, and that IPv6 communication
is hence buggered.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix some left-over URLs and ifdefs in b43 and b43legacy drivers.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
x86 setup: don't recalculate ss:esp unless really necessary
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The attached patch rate limits "WEP decrypt failed (ICV)" to avoid
flooding the logfiles.
Signed-off-by: Adel Gadllah <adel.gadllah@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rfkill_toggle_radio is called from functions where
rfkill->mutex is already aquired.
Remove the lock from rfkill_toggle_radio() and add it to
the only calling function that calls it without the lock held.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a regression I (most likely) introduced, namely that
unencrypted frames are right now accepted even if we have a key for that
specific sender. That has very bad security implications.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes:
- Incorrect calls to ieee80211_hw_config when the radiotap flag is set.
- Failure to actually unset the radiotap flag when all monitors are down.
- Failure to call ieee80211_hw_config after successful interface start.
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There is no guarantee that data+SNAP_SIZE will reside on an even numbered
address, so doing a 16 bit read will cause an unaligned access in some
situations. Based on a patch from Jun Sun.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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I'm not sure if this is best choice, someone might have better
solutions. But this patch fixed the connection problem when switching
from a WPA enabled AP (using wpa_supplicant) to an open AP (using
iwconfig). The root cause is when we connect to a WPA enabled AP,
wpa_supplicant sets the ifsta->extra_ie thru SIOCSIWGENIE. But if we
stop wpa_supplicant and connect to an open AP with iwconfig, there is
no way to clear the extra_ie so that mac80211 keeps connecting with that.
Someone could argue wpa_supplicant should clear the extra_ie during
its shutdown. But mac80211 should also handle the unexpected shutdown
case (ie. killall -9 wpa_supplicant).
On Wed, 2007-11-21 at 16:19 +0100, Johannes Berg wrote:
> Yeah. Can you amend the patch to also clear the
> IEEE80211_STA_PRIVACY_INVOKED flag?
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If NR_IRQS is defined as a sum without surrounding parentheses, this may
lead to problems when used in multiplications. This may lead to problems
in:
arch/ia64/sn/kernel/irq.c:516
arch/x86/kernel/io_apic_32.c:693, 694, 699, 700
fs/proc/proc_misc.c:464
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Change email address of AT91 maintainer.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: bridge wu <bridge.wu@marvell.com>
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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PXA300/PXA310
Some platforms (e.g. Littleton) requires LCD PCLK drive strength to be
higher than default to cope with the fast PCLK frequency.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
sdio_uart: fix sign of paramter status in sdio_uart_receive_chars()
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This also fixes a sparse warning about different signedness.
Only compile tested, because i do not have the hardware.
Signed-off-by: Andre Haupt <andre@bitwigglers.org>
Acked-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Subdividing the paravirt_ops structure caused a regression in certain
non-GPL modules which try to use mmu_ops and cpu_ops. This restores the
old behaviour, and makes it consistent with the non-CONFIG_PARAVIRT case.
Takashi Iwai <tiwai@suse.de> adds:
> I took at this problem (as I have an nvidia card on one of my
> workstations), and found out that the following suffer from
> EXPORT_SYMBOL_GPL changes:
>
> * local_disable_irq(), local_irq_save*(), etc.
> * MSR-related macros like rdmsr(), wrmsr(), read_cr0(), etc.
> wbinvd(), too.
> * pmd_val(), pgd_val(), etc are all involved with pv_mm_ops.
> pmd_large() and pmd_bad() is also indirectly involved.
> __flush_tlb() and friends suffer, too.
Christoph Hellwig objects to this patch on the grounds that modules
shouldn't be using these operations anyway. I don't think this is a
particularly good reason to reject the patch, for several reasons:
1. These operations are still available to modules when not using
CONFIG_PARAVIRT, since they are implicitly exported as inline
functions via the kernel headers. Exporting the same functionality as
GPL-only symbols just adds a gratuitious difference between
CONFIG_PARAVIRT and non-CONFIG_PARAVIRT configurations. If we really
think these operations are not for module use (or non-GPL module use),
then we should solve the problem in a general way.
2. It's a regression from previous kernels, which would work these
modules even with CONFIG_PARAVIRT enabled.
3. The operations in question seem pretty reasonable for modules to
use. The control registers/MSRs can be accessed directly anyway, so there's
no benefit in preventing modules from using standard interfaces. And it seems
reasonable to allow a graphics driver to create its own mappings if it wants.
Therefore, I think this patch should go in for 2.6.24. If people
really think that these operations should not be available to modules,
then we can address that separately.
Signed-off-by: Jeremy Fitzhardinge <Jeremy.Fitzhardinge@citrix.com>
Cc: Tobias Powalowski <t.powa@gmx.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Keep lguest from being enabled on VISWS or VOYAGER configs, just as is
already done for VMI and XEN. Otherwise randconfigs with VISWS and LGUEST
have this problem:
In file included from arch/x86/kernel/setup_32.c:61:
include/asm-x86/mach-visws/setup_arch.h:8:1: warning: "ARCH_SETUP" redefined
In file included from include/asm/msr.h:80,
from include/asm/processor_32.h:17,
from include/asm/processor.h:2,
from include/asm/thread_info_32.h:16,
from include/asm/thread_info.h:2,
from include/linux/thread_info.h:21,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:49,
from include/linux/seqlock.h:29,
from include/linux/time.h:8,
from include/linux/timex.h:57,
from include/linux/sched.h:53,
from arch/x86/kernel/setup_32.c:24:
include/asm/paravirt.h:458:1: warning: this is the location of the previous definition
(and of course, this happens because kconfig does not follow dependencies
when [evil] select is used...)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ACPI uses NR_CPUS in various loops and in some it accesses per cpu data of
processors that are not present(!) and that will never be present.
The pointers to per cpu data are typically not initialized for processors
that are not present. So we seem to be reading something here from offset
0 in memory.
Make ACPI use nr_cpu_ids instead. That stops at the end of the possible
processors.
Convert one loop to NR_CPUS to use the cpu_possible map instead. That way
ranges of processor that can never be brought online are skipped during the
loop.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Len Brown <lenb@kernel.org>
Acked-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make them depend on TCGETS2. If that one is implemented the rest should be
there as well.
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In wait_task_stopped() exit_code already contains the right value for the
si_status member of siginfo, and this is simply set in the non WNOWAIT
case.
If you call waitid() with a stopped or traced process, you'll get the signal
in siginfo.si_status as expected -- however if you call waitid(WNOWAIT) at the
same time, you'll get the signal << 8 | 0x7f
Pass it unchanged to wait_noreap_copyout(); we would only need to shift it
and add 0x7f if we were returning it in the user status field and that
isn't used for any function that permits WNOWAIT.
Signed-off-by: Scott James Remnant <scott@ubuntu.com>
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Arrange the sections in the FRV arch so that a BRA instruction with a
16-bit displacement can always reach from the trap table to entry.S,
tlb-miss.S and break.S.
The problem otherwise is that the linker can insert sufficient code between
the slots in the trap table and the targets of the branch instructions in
those slots that the displacement field in the instruction isn't
sufficiently large. This is because the branch targets were in the .text
section along with most of the other code in the kernel.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the extern declaration of kallsyms_num_syms to indicate that the symbol
does not reside in the small-data storage space, and so may not be accessed
relative to the small data base register.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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RTC code is using mutex to assure exclusive access to /dev/rtc. This is
however wrong usage, as it leaves the mutex locked when returning into
userspace, which is unacceptable.
Convert rtc->char_lock into bit operation.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Invalidate attributes on rename, since some filesystems may update
st_ctime. Reported by Szabolcs Szakacsits
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I found problems accessing (executing) previously existing files, until
I did chmod on them (or setattr).
If the fi->attr_version is not initialized, then it could be
larger than fc->attr_version until a setattr is executed, and as a
result the inode attributes would never be set.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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FUSE_FILE_OPS is meant to signal that the kernel will send the open file to to
the userspace filesystem for operations on open files, so that sillyrenaming
unlinked files becomes unnecessary.
However this needs VFS changes, which won't make it into 2.6.24.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some open flags (O_APPEND, O_DIRECT) can be changed with fcntl(F_SETFL, ...)
after open, but fuse currently only sends the flags to userspace in open.
To make it possible to correcly handle changing flags, send the
current value to userspace in each read and write.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Extract repeated code into helper function, as suggested by Akpm.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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