- 19 1月, 2006 40 次提交
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由 J. Bruce Fields 提交于
Simple, useful debugging printk: print the number of each op as we process it. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J. Bruce Fields 提交于
Fix some bad logic. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J. Bruce Fields 提交于
It's confusing having both release_stateowner() and release_state_owner(). And as it turns out, release_state_owner() is short and only called from one place; so just remove it. Also note the confirmed check is superfluous there--preprocess_seqid_op already check this. And remove a redundant comment and a superfluous line assignment while we're at it. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J. Bruce Fields 提交于
One of the things that's confusing about nfsd4_lock is that the lk_stateowner field could be set to either of two different lockowners: the open owner or the lock owner. Rename to lk_replay_owner and add a comment to make it clear that it's used for whichever stateowner has its sequence id bumped for replay detection. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J. Bruce Fields 提交于
release_state_owner also puts the lock owner on the close_lru. There's no need for that, though; replays of the failed lock would be handled by the openowner not the lockowner. Also consolidate the cleanup a bit, fixing leaks that can happen if errors occur between the time a new lock owner is allocated and the lock is done. Remove a comment and dprintk that look a little redundant. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Andy Adamson 提交于
Logic fixes for LOCK and UNLOCK. - Move the permission check on the current file handle outside of nfs4_lock_state() - remove the file manager fl_release_private calls; fl_ops is not set. Signed-off-by: NAndy Adamson <andros@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J. Bruce Fields 提交于
The server code currently keeps track of the destination address on every request so that it can reply using the same address. However we forget to do that in the case of a deferred request. Remedy this oversight. >From folks at PolyServe. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
These are both called from two places close together. I could rearrange that code so there is only one call site, but just removing the 'inline' is probably best. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 YAMAMOTO Takashi 提交于
Change nfsd_sync_dir to return an error if ->sync fails, and pass that error up through the stack. This involves a number of rearrangements of error paths, and care to distinguish between Linux -errno numbers and NFSERR numbers. In the 'create' routines, we continue with the 'setattr' even if a previous sync_dir failed. This patch is quite different from Takashi's in a few ways, but there is still a strong lineage. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Roman Zippel 提交于
Set the correct type and creator for symlinks. Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Roman Zippel 提交于
HFS+ also requires the correct creation date so recent version of OS X recognize it as link. Improve link handling: - if something is wrong with the link, ignore the link attribute and treat it as regular file (this also fixes a missing unlock during lookup). - check for incorrect link counts during unlink. Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Roman Zippel 提交于
Read the correct ctime from disk (it was written but never read for some reason). Read also creation date, which is used in the next patch. (Problem found by Olivier Castan <olivier.castan@certa.ssi.gouv.fr>) Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 David Elliott 提交于
Add support for HFSX, which allows for case-sensitive filenames. Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Roman Zippel 提交于
Add the log level and a "hfs: " prefix to all kernel prints. Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Roman Zippel 提交于
Add the log level and a "hfs: " prefix to all kernel prints. (HFS and HFS+ will use the same prefix, as they share some code and could be merged at some point.) Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Arnd Bergmann 提交于
All standard system calls should be declared in include/linux/syscalls.h. Add some of the new additions that were previously missed. Signed-off-by: NArnd Bergmann <arndb@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jason Baron 提交于
Currently, a negative policy argument passed into the 'sys_sched_setscheduler()' system call, will return with success. However, the manpage for 'sys_sched_setscheduler' says: EINVAL The scheduling policy is not one of the recognized policies, or the parameter p does not make sense for the policy. Signed-off-by: NJason Baron <jbaron@redhat.com> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric Van Hensbergen 提交于
v9fs mmap support was originally removed from v9fs at Al Viro's request, but recently there have been requests from folks who want readpage functionality (primarily to enable execution of files mounted via 9P). This patch adds readpage support (but not writepage which contained most of the objectionable code). It passes fsx-linux (and other regressions) so it should be relatively safe. Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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Correct a bit of whitespace problems while working here. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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When the user specifies both a COW file and its backing file, if the previous backing file is not found, currently UML tries again to use it and fails. This can be corrected by changing same_backing_files() return value in that case, so that the caller will try to change the COW file to point to the new location, as already done in other cases. Additionally, given the change in the meaning of the func, change its name, invert its return value, so all values are inverted except when stat(from_cow,&buf2) fails. And add some comments and two minor bugfixes - remove a fd leak (return err rather than goto out) and a repeated check. Tested well. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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*) mark as "EXPERIMENTAL" various items that either aren't very stable or that are actively crashing the setup of users which don't really need them (i.e. HIGHMEM and 3-level pagetables on x86 - nobody needs either, everybody reports "I'm using it and getting trouble"). *) move net/Kconfig near to the rest of network configurations, and drivers/block/Kconfig near "Block layer" submenu. *) it's useless and doesn't work well to force NETDEVICES on and to disable the prompt like it's done. Better remove the attempt, and change that to a simple "default y if UML". *) drop the warning about "report problems about HPPFS" - it's redundant anyway, as that's the usual procedure, and HPPFS users are especially technical (i.e. they know reporting bugs is _good_). Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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Ugly trick to help make malloc not sleeping - we can't do anything else. But this is not yet optimal, since spinlock don't trigger in_atomic() when preemption is disabled. Also, even if ugly, this was already used in one place, and was even more bogus. Fix it. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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In a previous patch I shifted an allocation to being atomic. In this patch, a better but more intrusive solution is implemented, i.e. hold the lock only when really needing it, especially not over pipe operations, nor over the culprit allocation. Additionally, while at it, add a missing kfree in the failure path, and make sure that if we fail in forking, write_sigio_pid is -1 and not, say, -ENOMEM. And fix whitespace, at least for things I was touching anyway. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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In this error path, when the interface has had a problem, we call dev_close(), which is disallowed for two reasons: *) takes again the UML internal spinlock, inside the ->stop method of this device *) can be called in process context only, while we're in interrupt context. I've also thought that calling dev_close() may be a wrong policy to follow, but it's not up to me to decide that. However, we may end up with multiple dev_close() queued on the same device. But the initial test for (dev->flags & IFF_UP) makes this harmless, though - and dev_close() is supposed to care about races with itself. So there's no harm in delaying the shutdown, IMHO. Something to mark the interface as "going to shutdown" would be appreciated, but dev_deactivate has the same problems as dev_close(), so we can't use it either. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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Pre-clear transport-specific private structure before passing it down. In fact, I just got a slab corruption and kernel panic on exit because kfree() was called on a pointer which probably was never allocated, BUT hadn't been set to NULL by the driver. As the code is full of such errors, I've decided for now to go the safe way (we're talking about drivers), and to do the simple thing. I'm also starting to fix drivers, and already sent a patch for the daemon transport. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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Avoid uninitialized data in the daemon_data structure. I used this transport before doing proper setup before-hand, and I got some very nice SLAB corruption due to freeing crap pointers. So just make sure to clear everything when appropriate. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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I added this line to share this file with UML, but now it's no longer shared so remove this useless leftover. Signed-off-by: NPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: NJeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Bodo Stroesser 提交于
Some fixes to make softints work in tt mode. Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jeff Dike 提交于
Now that we are doing soft interrupts, there's no point in using sigsetjmp and siglongjmp. Using setjmp and longjmp saves a sigprocmask on every jump. Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jeff Dike 提交于
This patch implements soft interrupts. Interrupt enabling and disabling no longer map to sigprocmask. Rather, a flag is set indicating whether interrupts may be handled. If a signal comes in and interrupts are marked as OK, then it is handled normally. If interrupts are marked as off, then the signal handler simply returns after noting that a signal needs handling. When interrupts are enabled later on, this pending signals flag is checked, and the IRQ handlers are called at that point. The point of this is to reduce the cost of local_irq_save et al, since they are very much more common than the signals that they are enabling and disabling. Soft interrupts produce a speed-up of ~25% on a kernel build. Subtleties - UML uses sigsetjmp/siglongjmp to switch contexts. sigsetjmp has been wrapped in a save_flags-like macro which remembers the interrupt state at setjmp time, and restores it when it is longjmp-ed back to. The enable_signals function has to loop because the IRQ handler disables interrupts before returning. enable_signals has to return with signals enabled, and signals may come in between the disabling and the return to enable_signals. So, it loops for as long as there are pending signals, ensuring that signals are enabled when it finally returns, and that there are no pending signals that need to be dealt with. Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jeff Dike 提交于
Stop using global variables to hold the file descriptor and offset used to map the skas0 stubs. Instead, calculate them using the page physical addresses. Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Gennady Sharapov 提交于
The serial UML OS-abstraction layer patch (um/kernel/skas dir). This moves all systemcalls from skas/process.c file under os-Linux dir and join skas/process.c and skas/process_kern.c files. Signed-off-by: NGennady Sharapov <gennady.v.sharapov@intel.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Gennady Sharapov 提交于
The serial UML OS-abstraction layer patch (um/kernel/skas dir). This moves all systemcalls from skas/mem_user.c file under os-Linux dir and join skas/mem_user.c and skas/mem.c files. Signed-off-by: NGennady Sharapov <gennady.v.sharapov@intel.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Gennady Sharapov 提交于
The serial UML OS-abstraction layer patch (um/kernel dir). This moves skas headers to arch/um/include. Signed-off-by: NGennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Bodo Stroesser 提交于
Current implementation of boot_timer_handler isn't usable for s390. So I changed its name to do_boot_timer_handler, taking (struct sigcontext *)sc as argument. do_boot_timer_handler is called from new boot_timer_handler() in arch/um/os-Linux/signal.c, which uses the same mechanisms as other signal handler to find out sigcontext pointer. Signed-off-by: NBodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Gennady Sharapov 提交于
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all systemcalls from time.c file under os-Linux dir and joins time.c and tine_kernel.c files Signed-off-by: NGennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Gennady Sharapov 提交于
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all systemcalls from user_util.c file under os-Linux dir Signed-off-by: NGennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Bodo Stroesser 提交于
s390 doesn't have a LDT. So MM_COPY_SEGMENTS will not be supported on s390. The only user of MM_COPY_SEGMENTS is new_mm(), but that's no longer useful, as arch/sys-i386/ldt.c defines init_new_ldt(), which is called immediately after new_mm(). So we should copy host's LDT in init_new_ldt(), if /proc/mm is available, to have this subarch specific call in subarch code. Signed-off-by: NBodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by: NJeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jeff Dike 提交于
Add implementations of the write* and __raw_write* functions. __raw_writel is needed by lib/iocopy.c, which shouldn't be used in UML, but which is unconditionally linked in anyway. Signed-off-by: NJeff Dike <jdike@addtoit.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Christoph Lameter 提交于
Move the interrupt check from slab_node into ___cache_alloc and adds an "unlikely()" to avoid pipeline stalls on some architectures. Signed-off-by: NChristoph Lameter <clameter@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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