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2005-10-27NFSv4: Add post-op attributes to NFSv4 write and commit callbacks.Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to nfs4_proc_remove()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to nfs4_proc_rename()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to nfs4_proc_link()Trond Myklebust
Optimise attribute revalidation when hardlinking. Add post-op attributes for the directory and the original inode. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Ensure that nfs_link() instantiates the dentry correctlyTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Add optional post-op getattr instruction to the NFSv4 file close.Trond Myklebust
"Optional" means that the close call will not fail if the getattr at the end of the compound fails. If it does succeed, try to refresh inode attributes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Optimise attribute revalidation on close().Trond Myklebust
Only force a getattr in nfs_file_flush() if the attribute cache is stale. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add directory post-op attributes to the CREATE operations.Trond Myklebust
Since the directory attributes change every time we CREATE a file, we might as well pick up the new directory attributes in the same compound. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: nfs_lookup doesn't need to revalidate the parent directory's inodeChuck Lever
nfs_lookup() used to consult a lookup cache before trying an actual wire lookup operation. The lookup cache would be invalid, of course, if the parent directory's mtime had changed, so nfs_lookup performed an inode revalidation on the parent. Since nfs_lookup() doesn't use a cache anymore, the revalidation is no longer necessary. There are cases where it will generate a lot of unnecessary GETATTR traffic. See http://bugzilla.linux-nfs.org/show_bug.cgi?id=9 Test-plan: Use lndir and "rm -rf" and watch for excess GETATTR traffic or application level errors. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Don't let nfs_end_data_update() clobber attribute update informationTrond Myklebust
Since we almost always call nfs_end_data_update() after we called nfs_refresh_inode(), we now end up marking the inode metadata as needing revalidation immediately after having updated it. This patch rearranges things so that we mark the inode as needing revalidation _before_ we call nfs_refresh_inode() on those operations that need it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Optimise inode attribute cache updatesTrond Myklebust
Allow nfs_refresh_inode() also to update attributes on the inode if the RPC call was sent after the last call to nfs_update_inode(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Convert cache_change_attribute into a jiffy-based valueTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Cleanup initialisation of struct nfs_fattrTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27Merge /home/trondmy/scm/kernel/git/torvalds/linux-2.6Trond Myklebust
2005-10-27NFS: Fix a bad cast in nfs3_read_doneTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27Revert "RPC: stops the release_pipe() funtion from being called twice"Trond Myklebust
This reverts 747c5534c9a6da4aa87e7cdc2209ea98ea27f381 commit.
2005-10-27[PATCH] Yet more posix-cpu-timer fixesRoland McGrath
This just makes sure that a thread's expiry times can't get reset after it clears them in do_exit. This is what allowed us to re-introduce the stricter BUG_ON() check in a362f463a6d316d14daed0f817e151835ce97ff7. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-27Revert "remove false BUG_ON() from run_posix_cpu_timers()"Linus Torvalds
This reverts commit 3de463c7d9d58f8cf3395268230cb20a4c15bffa. Roland has another patch that allows us to leave the BUG_ON() in place by just making sure that the condition it tests for really is always true. That goes in next. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] Fix cpu timers expiration timeOleg Nesterov
There's a silly off-by-one error in the code that updates the expiration of posix CPU timers, causing them to not be properly updated when they hit exactly on their expiration time (which should be the normal case). This causes them to then fire immediately again, and only _then_ get properly updated. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds
2005-10-26Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
2005-10-26posix cpu timers: fix timer orderingLinus Torvalds
Pointed out by Oleg Nesterov, who has been walking over the code forwards and backwards. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] fix radeon_cp_init_ring_buffer()Ivan Kokshaysky
I've seen similar failure on alpha. Obviously, someone forgot to convert sg->handle stuff for PCI gart case. Signed-off-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] svcsock timestamp fixAndrew Morton
Convert nanoseconds to microseconds correctly. Spotted by Steve Dickson <SteveD@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] Fix HFS+ to free up the space when a file is deleted.Peter Wainwright
fsck_hfs reveals lots of temporary files accumulating in the hidden directory "\000\000\000HFS+ Private Data". According to the HFS+ documentation these are files which are unlinked while in use. However, there may be a bug in the Linux hfsplus implementation which causes this to happen even when the files are not in use. It looks like the "opencnt" field is never initialized as (I think) it should be in hfsplus_read_inode. This means that a file can appear to be still in use when in fact it has been closed. This patch seems to fix it for me. Signed-off-by: Anton Altaparmakov <aia21@cantab.net> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] kill massive wireless-related log spamJeff Garzik
Although this message is having the intended effect of causing wireless driver maintainers to upgrade their code, I never should have merged this patch in its present form. Leading to tons of bug reports and unhappy users. Some wireless apps poll for statistics regularly, which leads to a printk() every single time they ask for stats. That's a little bit _too_ much of a reminder that the driver is using an old API. Change this to printing out the message once, per kernel boot. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] export cpu_online_mapAndrew Morton
With CONFIG_SMP=n: *** Warning: "cpu_online_map" [drivers/firmware/dcdbas.ko] undefined! due to set_cpus_allowed(). Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] ppc64: Fix wrong register mapping in mpic driverBenjamin Herrenschmidt
The mpic interrupt controller driver (used on G5 and early pSeries among others) has a bug where it doesn't get the right virtual address for the timer registers. It causes the driver to poke at the MMIO space of whatever has been mapped just next to it (ouch !) when initializing and causes boot failures on some IBM machines. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] NUMA: broken per cpu pageset countersMagnus Damm
The NUMA counters in struct per_cpu_pageset (linux/mmzone.h) are never cleared today. This works ok for CPU 0 on NUMA machines because boot_pageset[] is already zero, but for other CPU:s this results in uninitialized counters. Signed-off-by: Magnus Damm <magnus@valinux.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] md: make sure mdthreads will always respond to kthread_stopNeilBrown
There are still a couple of cases where md threads (the resync/recovery thread) is not interruptible since the change to use kthreads. All places there it tests "signal_pending", it should also test kthread_should_stop, as with this patch. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[ARM] 3032/1: sparse: complains about generic_fls() prototype in ↵Ian Campbell
asm-arm/bitops.h Patch from Ian Campbell Sparse complains about the definition of generic_fls in asm-arm/bitops.h: CHECK /home/icampbell/devel/kernel/2.6/arch/arm/mach-pxa/viper.c include2/asm/bitops.h:350:34: error: marked inline, but without a definition The definition is unnecessary since linux/bitops.h defines generic_fls before including asm/bitops.h and asm/bitops.h should not be included directly. There are still some places where asm/bitops.h is directly included, but I think that code should be fixed. I was a little wary of the patch for this reason but lubbock, mainstone and assabet all build OK and so do my in house boards... ARM is the only arch with the generic_fls prototype in this way. Signed-off-by: Ian Campbell <icampbell@arcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-25PCI: be more verbose about resource quirksLinus Torvalds
When reserving an PCI quirk, note that in the kernel bootup messages. Also, parse the strange PIIX4 device resources - they should get their own PCI resource quirks, but for now just print out what it finds to verify that the code does the right thing. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-25[LLC]: Strip RIF flag from source MAC addressJochen Friedrich
Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-25[TR]: Preserve RIF flag even for 2 byte RIF fields.Jochen Friedrich
Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-25[IPV6]: Fix refcnt of struct ip6_flowlabelYan Zheng
Signed-off-by: Yan Zheng <yanzheng@21cn.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-25[PATCH] qlogic lockup fixAndrew Morton
If qla2x00_probe_one()'s call to qla2x00_iospace_config() fails, we call qla2x00_free_device() to clean up. But because ha->dpc_pid hasn't been set yet, qla2x00_free_device() tries to stop a kernel thread which hasn't started yet. It does wait_for_completion() against an uninitialised completion struct and the kernel hangs up. Fix it by initialising ha->dpc_pid a bit earlier. Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-25[PATCH] alpha: atomic dependency fixAndrew Morton
My alpha build is exploding because asm/atomic.h now needs smb_mb(), which is over in the (not included) system.h. I fear what will happen if I include system.h into atomic.h, so let's put the barriers into their own header file. Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[ARM] fix sharp zaurus c-3000 compile failure without CONFIG_FB_PXAPavel Machek
This fixes compile problem when CONFIG_FB_PXA is not set. LD .tmp_vmlinux1 arch/arm/mach-pxa/built-in.o(.text+0x1d74): In function `spitz_get_hsync_len': : undefined reference to `pxafb_get_hsync_time' make: *** [.tmp_vmlinux1] Error 1 3.46user 0.46system 5.10 (0m5.106s) elapsed 77.01%CPU Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-24[SERIAL] new hp diva console portJustin Chen
Add the new ID 0x132a and configure the new PCI Diva console port. This device supports only 1 single console UART. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-24[SERIAL] support the Exsys EX-4055 4S four-port cardBjorn Helgaas
Tested by Wolfgang Denk with this device: 00:0f.0 Network controller: PLX Technology, Inc. PCI <-> IOBus Bridge (rev 01) Subsystem: Exsys EX-4055 4S(16C550) RS-232 Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Interrupt: pin A routed to IRQ 10 Region 0: Memory at 80100000 (32-bit, non-prefetchable) [size=128] Region 1: I/O ports at 7080 [size=128] Region 2: I/O ports at 7400 [size=32] 00:0f.0 Class 0280: 10b5:9050 (rev 01) Subsystem: d84d:4055 Results with this patch: Serial: 8250/16550 driver $Revision: 1.90 $ 32 ports, IRQ sharing enabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A PCI: Found IRQ 10 for device 0000:00:0f.0 ttyS4 at I/O 0x7400 (irq = 10) is a 16550A ttyS5 at I/O 0x7408 (irq = 10) is a 16550A ttyS6 at I/O 0x7410 (irq = 10) is a 16550A ttyS7 at I/O 0x7418 (irq = 10) is a 16550A Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-24[PATCH] Return the line length via sysfs for fbdevJames Simmons
This small patch returns the stride/line length of the framebuffer via sysfs. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[PATCH] ALSA: Fix Oops of suspend/resume with generic driversTakashi Iwai
The patch fixes Oops from sound drivers using generic platform device but have no suspend/resume callbacks. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[PATCH] uml: fix compile failure for TT modeMiklos Szeredi
Without this patch, uml compile fails with: LD .tmp_vmlinux1 arch/um/kernel/built-in.o: In function `config_gdb_cb': arch/um/kernel/tt/gdb.c:129: undefined reference to `TASK_EXTERN_PID' Tested on i386, but fix needed on x86_64 too AFAICS. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[PATCH] posix-timers: fix posix_cpu_timer_set() vs run_posix_cpu_timers() raceOleg Nesterov
This might be harmless, but looks like a race from code inspection (I was unable to trigger it). I must admit, I don't understand why we can't return TIMER_RETRY after 'spin_unlock(&p->sighand->siglock)' without doing bump_cpu_timer(), but this is what original code does. posix_cpu_timer_set: read_lock(&tasklist_lock); spin_lock(&p->sighand->siglock); list_del_init(&timer->it.cpu.entry); spin_unlock(&p->sighand->siglock); We are probaly deleting the timer from run_posix_cpu_timers's 'firing' local list_head while run_posix_cpu_timers() does list_for_each_safe. Various bad things can happen, for example we can just delete this timer so that list_for_each() will not notice it and run_posix_cpu_timers() will not reset '->firing' flag. In that case, .... if (timer->it.cpu.firing) { read_unlock(&tasklist_lock); timer->it.cpu.firing = -1; return TIMER_RETRY; } sys_timer_settime() goes to 'retry:', calls posix_cpu_timer_set() again, it returns TIMER_RETRY ... Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[PATCH] posix-timers: exit path cleanupOleg Nesterov
No need to rebalance when task exited Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[PATCH] posix-timers: remove false BUG_ON() from run_posix_cpu_timers()Oleg Nesterov
do_exit() clears ->it_##clock##_expires, but nothing prevents another cpu to attach the timer to exiting process after that. After exit_notify() does 'write_unlock_irq(&tasklist_lock)' and before do_exit() calls 'schedule() local timer interrupt can find tsk->exit_state != 0. If that state was EXIT_DEAD (or another cpu does sys_wait4) interrupted task has ->signal == NULL. At this moment exiting task has no pending cpu timers, they were cleaned up in __exit_signal()->posix_cpu_timers_exit{,_group}(), so we can just return from irq. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[PATCH] posix-timers: fix cleanup_timers() and run_posix_cpu_timers() racesOleg Nesterov
1. cleanup_timers() sets timer->task = NULL under tasklist + ->sighand locks. That means that this code in posix_cpu_timer_del() and posix_cpu_timer_set() lock_timer(timer); if (timer->task == NULL) return; read_lock(tasklist); put_task_struct(timer->task) is racy. With this patch timer->task modified and accounted only under timer->it_lock. Sadly, this means that dead task_struct won't be freed until timer deleted or armed. 2. run_posix_cpu_timers() collects expired timers into local list under tasklist + ->sighand again. That means that posix_cpu_timer_del() should check timer->it.cpu.firing under these locks too. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-23Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6Linus Torvalds
2005-10-23[PATCH] ib: mthca: Always re-arm EQs in mthca_tavor_interrupt()Roland Dreier
We should always re-arm an event queue's interrupt in mthca_tavor_interrupt() if the corresponding bit is set in the event cause register (ECR), even if we didn't find any entries in the EQ. If we don't, then there's a window where we miss an EQ entry and then get stuck because we don't get another EQ event. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-23[PATCH] inotify/idr leak fixAndrew Morton
Fix a bug which was reported and diagnosed by Stefan Jones <stefan.jones@churchillrandoms.co.uk> IDR trees include a cache of idr_layer objects. There's no way to destroy this cache, so when we discard an overall idr tree we end up leaking some memory. Add and use idr_destroy() for this. v9fs and infiniband also need to use idr_destroy() to avoid leaks. Or, we make the cache global, like radix_tree_preload(). Which is probably better. Later. Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Cc: Roland Dreier <rolandd@cisco.com> Cc: Robert Love <rml@novell.com> Cc: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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