- 25 Jun, 2006 40 commits
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Bjorn Helgaas authored
Make each one fit on a line so it's easier to read. I re-ordered COMPAQ_CISSC/0x4091, which was out of order. I double-checked these, but it would be good if you'd also check them to make sure I didn't miss any. Signed-off-by:
Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Jeff Garzik <jeff@garzik.org> Acked-by:
Mike Miller <mike.miller@hp.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Bjorn Helgaas authored
cciss is full of inconsistent style ("for (" vs. "for(", lines that end with whitespace, lines beginning with a mix of spaces & tabs, etc). This patch changes only whitespace. Signed-off-by:Jeff Garzik <jeff@garzik.org> Acked-by:
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Bjorn Helgaas authored
Typical Linux style is "return -EINVAL", not "return(-EINVAL)". Signed-off-by:
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Bjorn Helgaas authored
Fix a few spelling errors. Signed-off-by:
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Bjorn Helgaas authored
It's easier to verify loop bounds if the array name is mentioned the for() statement that steps through the array. Signed-off-by:
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Bjorn Helgaas authored
We already print "cciss: using DAC cycles" or similar for every adapter found: why not just identify the device we're talking about and include other useful information? Jeff Garzik <jeff@garzik.org>: Although this patch is correct, I would consider using dev_printk() rather than referencing pci_name() in printk() arguments. Signed-off-by:
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Bjorn Helgaas authored
We should call pci_request_regions() to claim all resources the device decodes. Previously, we claimed only the I/O port range. Signed-off-by:
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Bjorn Helgaas authored
If something fails after we call pci_enable_device(), we should call pci_disable_device() before returning the failure. Signed-off-by:
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Rob Landley authored
New section on creating an external initramfs image using cpio (with script), a warning about bad advice in the cpio man page, a bit of debugging advice (hello world and rdinit=/bin/sh), and a few minor tweaks to other parts of it. Signed-off-by:
Rob Landley <rob@landley.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by:
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Serge E. Hallyn authored
Update smbiod to use kthread instead of deprecated kernel_thread. [akpm@osdl.org: cleanup] Signed-off-by:
Serge E. Hallyn <serue@us.ibm.com> Signed-off-by:
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Serge E. Hallyn authored
Update loop.c to use a kthread instead of a deprecated kernel_thread for loop devices. [akpm@osdl.org: don't change the thread's name] Signed-off-by:
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Randy Dunlap authored
Make kernel-doc corrections & additions to lib/crc*.c. Add crc functions to kernel-api.tmpl in DocBook. Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Randy Dunlap authored
Add a new chapter for kernel-lib functions to kernel-api.tmpl. Add lib/cmdline.c to the new kernel-lib chapter. Signed-off-by:
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Randy Dunlap authored
Make corrections/fixes to kernel-doc in lib/bitmap.c and include it in DocBook template. Signed-off-by:
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Eric Sesterhenn authored
coverity found two needless checks in vfs_inode.c (cid #1165 and #1164) In both cases inode is always NULL when we goto error; either because it is still initialized to NULL or is set to NULL explicitly. This patch simply removes these checks to save some code. Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Acked-by:
Eric Van Hensbergen <ericvh@gmail.com> Cc: Ron Minnich <rminnich@lanl.gov> Cc: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by:
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Randy Dunlap authored
Fix debug-only printk syntax error. Signed-off-by:
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Randy Dunlap authored
When the verbose (-v) option is used with scripts/kernel-doc, this option reports when the kernel-doc format is malformed and apparently contains function description lines before function parameters. In these cases, the kernel-doc script will print something like: Warning(filemap.c:335): contents before sections I have fixed the problems in mm/filemap.c and added lots of kernel-doc to that file (posted to the linux-mm mailing list Mon. 2006-June-12). The real goal (as requested by Andrew Morton) is to allow the short function description to be more than one line long. This patch is both a kernel-doc checker and a tool en route to that goal. Signed-off-by:
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Miklos Szeredi authored
VFS uses current->files pointer as lock owner ID, and it wouldn't be prudent to expose this value to userspace. So scramble it with XTEA using a per connection random key, known only to the kernel. Only one direction needs to be implemented, since the ID is never sent in the reverse direction. The XTEA algorithm is implemented inline since it's simple enough to do so, and this adds less complexity than if the crypto API were used. Thanks to Jesper Juhl for the idea. Signed-off-by:
Miklos Szeredi <miklos@szeredi.hu> Signed-off-by:
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Miklos Szeredi authored
Add synchronous request interruption. This is needed for file locking operations which have to be interruptible. However filesystem may implement interruptibility of other operations (e.g. like NFS 'intr' mount option). Signed-off-by:
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Miklos Szeredi authored
Rename the 'interrupted' flag to 'aborted', since it indicates exactly that, and next patch will introduce an 'interrupted' flag for a Signed-off-by:
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Miklos Szeredi authored
All POSIX locks owned by the current task are removed on close(). If the FLUSH request resulting initiated by close() fails to reach userspace, there might be locks remaining, which cannot be removed. The only reason it could fail, is if allocating the request fails. In this case use the request reserved for RELEASE, or if that is currently used by another FLUSH, wait for it to become available. Signed-off-by:
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Miklos Szeredi authored
This patch adds POSIX file locking support to the fuse interface. This implementation doesn't keep any locking state in kernel. Unlocking on close() is handled by the FLUSH message, which now contains the lock owner id. Mandatory locking is not supported. The filesystem may enfoce mandatory locking in userspace if needed. Signed-off-by:
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Miklos Szeredi authored
Add a control filesystem to fuse, replacing the attributes currently exported through sysfs. An empty directory '/sys/fs/fuse/connections' is still created in sysfs, and mounting the control filesystem here provides backward compatibility. Advantages of the control filesystem over the previous solution: - allows the object directory and the attributes to be owned by the filesystem owner, hence letting unpriviled users abort the filesystem connection - does not suffer from module unload race [akpm@osdl.org: fix this fs for recent dhowells depredations] [akpm@osdl.org: fix 64-bit printk warnings] Signed-off-by: -
Miklos Szeredi authored
Don't put requests into the background when a fatal interrupt occurs while the request is in userspace. This removes a major wart from the implementation. Backgrounding of requests was introduced to allow breaking of deadlocks. However now the same can be achieved by aborting the filesystem through the 'abort' sysfs attribute. This is a change in the interface, but should not cause problems, since these kinds of deadlocks never happen during normal operation. Signed-off-by:
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Jan Engelhardt authored
The following patches add POSIX file locking to the fuse interface. Additional changes ralated to this are: - asynchronous interrupt of requests by SIGKILL no longer supported - separate control filesystem, instead of using sysfs objects - add support for synchronously interrupting requests Details are documented in Documentation/filesystems/fuse.txt throughout the patches. This patch: Have fuse.h use MISC_MAJOR rather than a hardcoded '10'. Signed-off-by:
Jan Engelhardt <jengelh@gmx.de> Signed-off-by:
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David Howells authored
Make another couple of alterations to the memory barrier document following suggestions by Alan Stern and in co-operation with Paul McKenney: (*) Rework the point of introduction of memory barriers and the description of what they are to reiterate why they're needed. (*) Modify a statement about the use of data dependency barriers to note that other barriers can be used instead (as they imply DD-barriers). Signed-off-by:David Howells <dhowells@redhat.com> Acked-By:
Paul E. McKenney <paulmck@us.ibm.com> Signed-off-by:
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Eric Sesterhenn authored
Another bunch of checks in the char drivers .put_char() and .write() routines, where tty can never be NULL. This patch removes these checks to save some code. Coverity choked at those with the following bug ids: isicom.c 767, 766 specialix.c 773, 774 synclink_cs.c 779, 781 synclink_gt.c 784, 785 synclinkmp.c 784, 785 Signed-off-by:
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Niels Kristian Bech Jensen authored
Update my contact information in CREDITS. Signed-off-by:
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Ian Kent authored
I've found a case where invalid dentrys in a mount tree, waiting to be cleaned up by d_invalidate, prevent the expected expire. In this case dentrys created during a lookup for which a mount fails or has no entry in the mount map contribute to the d_count of the parent dentry. These dentrys may not be invalidated prior to comparing the interanl usage count of valid autofs dentrys against the dentry d_count which makes a mount tree appear busy so it doesn't expire. Signed-off-by:
Ian Kent <raven@themaw.net> Signed-off-by:
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Eric Sesterhenn authored
coverity choked at another two !tty checks, in places where tty can never be NULL. Since it removes some code we should remove these checks. (Coverity ids #763,#762) Signed-off-by Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by:
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Eric Sesterhenn authored
coverity choked at two !tty checks, in places where tty can never be NULL. Since it removes some code we should remove these checks. (Coverity ids #763,#762) [akpm@osdl.org: even cleaner!] Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Anton Blanchard authored
If futexes are disabled we fail to link on ppc64. Signed-off-by:
Anton Blanchard <anton@samba.org> Cc: <stable@kernel.org> Signed-off-by:
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Paul E. McKenney authored
An update to the RCU documentation calling out the self-limiting-update-rate advantages of synchronize_rcu(), and describing how to use call_rcu() in a way that results in self-limiting updates. Self-limiting updates are important to avoiding RCU-induced OOM in face of denial-of-service attacks. Signed-off-by:
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Wu Fengguang authored
Backoff readahead size exponentially on I/O error. Michael Tokarev <mjt@tls.msk.ru> described the problem as: [QUOTE] Suppose there's a CD-rom with a scratch/etc, one sector is unreadable. In order to "fix" it, one have to read it and write to another CD-rom, or something.. or just ignore the error (if it's just a skip in a video stream). Let's assume the unreadable block is number U. But current behavior is just insane. An application requests block number N, which is before U. Kernel tries to read-ahead blocks N..U. Cdrom drive tries to read it, re-read it.. for some time. Finally, when all the N..U-1 blocks are read, kernel returns block number N (as requested) to an application, successefully. Now an app requests block number N+1, and kernel tries to read blocks N+1..U+1. Retrying again as in previous step. And so on, up to when an app requests block number U-1. And when, finally, it requests block U, it receives read error. So, kernel currentry tries to re-read the same failing block as many times as the current readahead value (256 (times?) by default). This whole process already killed my cdrom drive (I posted about it to LKML several months ago) - literally, the drive has fried, and does not work anymore. Ofcourse that problem was a bug in firmware (or whatever) of the drive *too*, but.. main problem with that is current readahead logic as described above. [/QUOTE] Which was confirmed by Jens Axboe <axboe@suse.de>: [QUOTE] For ide-cd, it tends do only end the first part of the request on a medium error. So you may see a lot of repeats :/ [/QUOTE] With this patch, retries are expected to be reduced from, say, 256, to 5. [akpm@osdl.org: cleanups] Signed-off-by:
Wu Fengguang <wfg@mail.ustc.edu.cn> Signed-off-by:
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David Woodhouse authored
In the error case, add_msg() gets called from timer functions, so should be using GFP_ATOMIC instead of GFP_KERNEL. Ref: http://bugzilla.kernel.org/show_bug.cgi?id=6659. Thanks to Christian Werner <chw@ch-werner.de> for reporting, and for the initial fix. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Randy Dunlap authored
Priority: not critical. Mark 3 functions __init. Saves a little memory. This makes these functions' calls to AdvWaitEEPCmd() (which is __init) be clean (i.e., eliminates text -> init -> text call chain). Fix multiple section mismatch warnings: WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7a22) and 'AdvSet38C0800EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7a4e) and 'AdvSet38C0800EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7a79) and 'AdvSet38C0800EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7aa2) and 'AdvSet38C0800EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7abb) and 'AdvSet38C0800EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7ae0) and 'AdvSet38C1600EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b0c) and 'AdvSet38C1600EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b37) and 'AdvSet38C1600EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b60) and 'AdvSet38C1600EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b79) and 'AdvSet38C1600EEPConfig' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7b9e) and 'AdvExeScsiQueue' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7bca) and 'AdvExeScsiQueue' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7bf5) and 'AdvExeScsiQueue' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7c1e) and 'AdvExeScsiQueue' WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7c37) and 'AdvExeScsiQueue' Signed-off-by:
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Randy Dunlap authored
Priority: tossup. In theory some of these (previously) __init functions could be called after init, but that problem has not been observed AFAIK. There were 2 cases of cleanup_module() (module_exit) calling __init functions (clear_requested_irq() & have_requested_irq()). These are more serious, but still not observed AFAIK. Fix sections mismatch: WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'cleanup_module' (at offset 0x228b) and 'ip2_loadmain' WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'cleanup_module' (at offset 0x22ae) and 'ip2_loadmain' WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'ip2_loadmain' (at offset 0x2501) and 'set_irq' WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'ip2_loadmain' (at offset 0x25de) and 'set_irq' WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'ip2_loadmain' (at offset 0x2698) and 'set_irq' WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'ip2_loadmain' (at offset 0x2922) and 'set_irq' WARNING: drivers/char/ip2/ip2main.o - Section mismatch: reference to .init.text: from .text between 'ip2_loadmain' (at offset 0x299e) and 'set_irq' Signed-off-by:
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Randy Dunlap authored
Priority: not critical. Make __mcdx_init() __init and static. Saves a little memory. Fix section mismatch warning and make the function static while there: WARNING: drivers/cdrom/mcdx.o - Section mismatch: reference to .init.text: from .text between 'init_module' (at offset 0x8be) and 'mcdx_transfer' Signed-off-by:
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Randy Dunlap authored
Priority: not critical. Change 3 functions from __init to __devinit. Could be an init/probe problem in theory, but not observed, so not high priority IMO. Fix section mismatch warnings: WARNING: drivers/video/tridentfb.o - Section mismatch: reference to .init.text: from .text between 'trident_pci_probe' (at offset 0x1aad) and 'trident_pci_remove' WARNING: drivers/video/tridentfb.o - Section mismatch: reference to .init.text: from .text between 'trident_pci_probe' (at offset 0x1b22) and 'trident_pci_remove' WARNING: drivers/video/tridentfb.o - Section mismatch: reference to .init.text: from .text between 'trident_pci_probe' (at offset 0x1b31) and 'trident_pci_remove' Signed-off-by:
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Randy Dunlap authored
netdev->set_config can be called at any time, so these references to __initdata would be a real problem. However, problem has not been observed AFAIK. Fix section mismatch warnings: WARNING: drivers/net/wan/sdla.o - Section mismatch: reference to .init.data: from .text between 'sdla_set_config' (at offset 0x1b8e) and 'sdla_stats' WARNING: drivers/net/wan/sdla.o - Section mismatch: reference to .init.data: from .text between 'sdla_set_config' (at offset 0x1e76) and 'sdla_stats' Signed-off-by:
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