- 25 Mar, 2006 40 commits
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Adrian Bunk authored
It's already big enough and there's no reason to list maintainers of external patches. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jan Beulich authored
The /dev/mem and /dev/kmem write handlers weren't fully POSIX compliant in that they wouldn't always force the file pointer to be updated when returning success status. The /dev/port write handler was inconsistent with the /dev/mem and /dev/kmem handlers in that when encountering a -EFAULT condition after already having written a number of items it would return -EFAULT rather than the number of bytes written. Signed-off-by:
Jan Beulich <jbeulich@novell.com> Signed-off-by:
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Kirk True authored
When SMBFS_DEBUG_VERBOSE is #define-d, the compile breaks: fs/smbfs/inode.c:217: error: aggregate value used where an integer was expected This is a simple matter of using the .tv_sec attribute of struct time_spec. Signed-off-by:
Kirk True <kernel@kirkandsheila.com> Signed-off-by:
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Eric Van Hensbergen authored
Fix documentation to match current implementation. Signed-off-by:
Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by:
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Eric Van Hensbergen authored
There were a number of conflicting naming schemes used in the v9fs project. The directory was fs/9p, but MAINTAINERS and Documentation referred to v9fs. The module name itself was 9p2000, and the file system type was 9P. This patch attempts to clean that up, changing all references to 9p in order to match the directory name. We'll also start using 9p instead of v9fs as our patch prefix. There is also a minor consistency cleanup in the options changing the name option to uname in order to more closely match the Plan 9 options. Signed-off-by:
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Eric Van Hensbergen authored
Update license boilerplate to specify GPLv2 and remove the (at your option clause). This change was agreed to by all the copyright holders (approvals can be found on v9fs-developer mailing list). Signed-off-by:
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Eugene Teo authored
__getname, which in turn will call kmem_cache_alloc, may return NULL. Coverity bug #977 Signed-off-by:
Eugene Teo <eugene.teo@eugeneteo.net> Signed-off-by:
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Latchesar Ionkov authored
Implement a new way of creating special files. Instead of Tcreate+Twstat, add one more field to Tcreate that contains special file description. Signed-off-by:
Latchesar Ionkov <lucho@ionkov.net> Signed-off-by:
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Latchesar Ionkov authored
Print 9p messages. Signed-off-by:
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Russ Cox authored
The code talks about these things called tids, which I eventually figured out are tags. Signed-off-by:
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Russ Cox authored
Here is a new trans_fd.c that replaces the current trans_fd.c and trans_sock.c. Signed-off-by:
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Andrew Morton authored
The Kconfig text for CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC have always seemed a bit confusing. Change them to: CONFIG_DEBUG_SLAB: "Debug slab memory allocations" CONFIG_DEBUG_PAGEALLOC: "Debug page memory allocations" Cc: "David S. Miller" <davem@davemloft.net> Cc: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that driver_register() returns the number of devices bound to the driver. In fact, it returns zero for success or a negative error value. zorro_module_init() used the device count to automatically unregister and unload drivers that found no devices. That might have worked at one time, but has been broken for some time because zorro_register_driver() returned either a negative error or a positive count (never zero). So it could only unregister on failure, when it's not needed anyway. This functionality could be resurrected in individual drivers by counting devices in their .probe() methods. Signed-off-by:
Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that driver_register() returns the number of devices bound to the driver. In fact, it returns zero for success or a negative error value. Signed-off-by:
Jeff Garzik <jgarzik@pobox.com> Acked-by:
Marc Zyngier <maz@misterjones.org> Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that driver_register() returns the number of devices bound to the driver. In fact, it returns zero for success or a negative error value. dio_module_init() used the device count to automatically unregister and unload drivers that found no devices. That might have worked at one time, but has been broken for some time because dio_register_driver() returned either a negative error or a positive count (never zero). So it could only unregister on failure, when it's not needed anyway. This functionality could be resurrected in individual drivers by counting devices in their .probe() methods. Signed-off-by:
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Alexander Zarochentsev authored
Use the new balance_dirty_pages_ratelimited_nr in reiserfs "largeio" file write. Signed-off-by:
Hans Reiser <reiser@namesys.com> Signed-off-by:
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Andrew Morton authored
We presently ignore the return values from initcalls. But that can carry useful debugging information. So print it out if it's non-zero. It turns out the -ENODEV happens quite a lot, due to built-in drivers which have no hardware to drive. So suppress that unless initcall_debug was specified. Also make the warning message more friendly by printing the name of the initcall function. Also drop the KERN_DEBUG from the initcall_debug message. If we specified inticall_debug then we obviously want to see the messages. Acked-by:
Paul Jackson <pj@sgi.com> Signed-off-by:
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Vladimir V. Saveliev authored
Clean up several places where gcc issues warnings when -W is specified. Thanks to Neil for finding that. Signed-off-by:
Vladimir V. Saveliev <vs@namesys.com> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by:
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Rene Herman authored
Today I wondered about /dev/parport<n> after not seeing anything in drivers/parport register char-major-99. Having PP_MAJOR in include/linux/major.h would've allowed me to more quickly determine that it was the ppdev driver driving these. Signed-off-by:
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Sam Ravnborg authored
In latest -mm a number of section mismatch warnings are generated for floppy.o like the following: WARNING: drivers/block/floppy.o - Section mismatch: reference to \ .init.data: from .text between 'init_module' (at offset 0x6976) and \ 'cleanup_module' The warning are caused by a reference to floppy_init() which is __init from init_module() which is not declared __init. Declaring init_module() _init fixes this. Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Sam Ravnborg authored
In latest -mm ide-code.o gave a number of warnings like the following: WARNING: drivers/ide/ide-core.o - Section mismatch: reference to \ .init.text: from .text between 'init_module' (at offset 0x1f97) and \ 'cleanup_module' The warning was caused by init_module() calling parse_option() and ide_init() both declared __init. Declaring init_module() __init fixes the warnings. Signed-off-by:
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Nick Piggin authored
Previous inotify work avoidance is good when inotify is completely unused, but it breaks down if even a single watch is in place anywhere in the system. Robin Holt notices that udev is one such culprit - it slows down a 512-thread application on a 512 CPU system from 6 seconds to 22 minutes. Solve this by adding a flag in the dentry that tells inotify whether or not its parent inode has a watch on it. Event queueing to parent will skip taking locks if this flag is cleared. Setting and clearing of this flag on all child dentries versus event delivery: this is no in terms of race cases, and that was shown to be equivalent to always performing the check. The essential behaviour is that activity occuring _after_ a watch has been added and _before_ it has been removed, will generate events. Signed-off-by:
Nick Piggin <npiggin@suse.de> Cc: Robert Love <rml@novell.com> Cc: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by:
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Andrew Morton authored
sysrq.c is fairly revolting. Fix. Signed-off-by:
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Jesper Juhl authored
net/rxrpc/main.c: In function `rxrpc_initialise': net/rxrpc/main.c:83: warning: label `error_proc' defined but not used Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Acked-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Andrey Borzenkov authored
Some BIOSes do not always set CF on error before return from int13. The patch adds additional check for status being zero (AH == 0). Signed-off-by:
Andrey Borzenkov <arvidjaar@mail.ru> Cc: Matt Domsch <Matt_Domsch@dell.com> Signed-off-by:
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Adrian Bunk authored
param_array() in kernel/params.c can now become static. Signed-off-by:
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Rusty Russell authored
MODULE_PARM was actually breaking: recent gcc version optimize them out as unused. It's time to replace the last users, which are generally in the most unloved drivers anyway. Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Andrew Morton authored
hysdn defines its own types: ulong, uint, uchar and word. Problem is, the module_param macros rely upon some of those identifiers having special meanings too. The net effect is that module_param() and friends cannot be used in ISDN because of this namespace clash. So remove the hysdn-private defines and open-code them all. Cc: Karsten Keil <kkeil@suse.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Adrian Bunk authored
If we can detect a problem at compile time, the compilation should fail. Signed-off-by:
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Thomas Koeller authored
Add a couple of 'const' qualifiers to the TTY flip buffer APIs, where appropriate. Signed-off-by:
Thomas Koeller <thomas@koeller.dyndns.org> Acked-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Jesper Juhl authored
drivers/isdn/i4l/isdn_ppp.c:785: warning: ignoring return value of `copy_to_user', declared with attribute warn_unused_result Signed-off-by:
Karsten Keil <kkeil@suse.de> Signed-off-by:
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Oleg Drokin authored
I think it would be nice to put an usage warning in header of lookup_instantiate_filp() to indicate it is unsafe to use it on anything but regular files (even that is potentially unsafe, but there your ->open() is usually in your hands anyway), so that others won't fall into the same trap I did. Signed-off-by:
Oleg Drokin <green@linuxhacker.ru> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by:
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Oleg Drokin authored
Introduce FMODE_EXEC file flag, to indicate that file is being opened for execution. This is useful for distributed filesystems to maintain consistent behavior for returning ETXTBUSY when opening for write and execution happens on different nodes. akpm: Needed by Lustre at present. I assume their objective to to work towards being able to install Lustre on an unmodified distro kernel, which seems sane. It should have zero runtime cost. Trond and Chuck indicate that NFS4 can probably use this too, for the same thing. Steven says it's also on the GFS todo list. Signed-off-by:
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Jeff Mahoney authored
When an error occurs in reiserfs_file_write before any data is written, and O_SYNC is set, the return code of generic_osync_write will overwrite the error code, losing it. This patch ensures that generic_osync_inode() doesn't run under an error condition, losing the error. This duplicates the logic from generic_file_buffered_write(). Signed-off-by:
Jeff Mahoney <jeffm@suse.com> Cc: Chris Mason <mason@suse.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Alexander Zarochentsev <zam@namesys.com> Signed-off-by:
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Alexander Zarochentsev authored
Reiserfs does not handle transaction ID overflow correctly. Transaction ID == 0 causes reiserfs to crash. The patch fixes all places where the transaction ID is incremented. Signed-off-by:
Alexander Zarochentsev <zam@namesys.com> Signed-off-by:
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Alexander Zarochentzev authored
This patch fixes a bug in reiserfs truncate. A transaction might overflow when truncating long highly fragmented file. The fix is to split truncation into several transactions to avoid overflowing. Signed-off-by:
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Adrian Bunk authored
There's no reason for iprune_mutex being global. Signed-off-by:
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Jan Kara authored
Remove unused quota flag. Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Oleg Drokin authored
It seems there is error check missing in open_namei for errors returned through intent.open.file (from lookup_instantiate_filp). If there is plain open performed, then such a check done inside __path_lookup_intent_open called from path_lookup_open(), but when the open is performed with O_CREAT flag set, then __path_lookup_intent_open is only called with LOOKUP_PARENT set where no file opening can occur yet. Later on lookup_hash is called where exact opening might take place and intent.open.file may be filled. If it is filled with error value of some sort, then we get kernel attempting to dereference this error value as address (and corresponding oops) in nameidata_to_filp() called from filp_open(). While this is relatively simple to workaround in ->lookup() method by just checking lookup_instantiate_filp() return value and returning error as needed, this is not so easy in ->d_revalidate(), where we can only return "yes, dentry is valid" or "no, dentry is invalid, perform full lookup again", and just returning 0 on error would cause extra lookup (with potential extra costly RPCs). So in short, I believe that there should be no difference in error handling for opening a file and creating a file in open_namei() and propose this simple patch as a solution. Signed-off-by:
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Andrew Morton authored
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