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* [PATCH] regularize blk_cleanup_queue() useAl Viro2006-03-183-5/+5
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* [PATCH] dac960: add disk entropy in request completionsMatt Mackall2006-03-081-1/+2
| | | | | | | Signed-off-by: Matt Mackall <mpm@selenic.com> Tested-by: Anders K. Pedersen <akp@cohaesio.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Only return -EROFS when appropriatePeter Osterlund2006-02-201-5/+5
| | | | | | | | | When attempting to open the device for writing, only return -EROFS if the disc appears to be readable but not writable. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Fix the logic in the pkt_writable_track functionPeter Osterlund2006-02-201-13/+15
| | | | | | | | | Fix the pkt_writable_track() function to make it work correctly for all types of CD/DVD discs. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Remove useless printk statementsPeter Osterlund2006-02-201-14/+0
| | | | | | | | | Writing the detected disc type in the kernel log is not useful during normal use of the driver, so remove the printk statements. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Rename functions and make their return values sanePeter Osterlund2006-02-201-18/+18
| | | | | | | | | Boolean functions should return non-zero when they mean "true", otherwise the calling code looks weird. (As suggested by Linus.) Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Correctly set rq->cmd_len in pkt_generic_packet()Peter Osterlund2006-02-201-0/+2
| | | | | | | | | | It looks like the code in pkt_generic_packet() worked by luck in the past, but after commit 186d330e682210100c671355580a8592e4a21692 leaving rq->cmd_len uninitialized doesn't work any more. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Reduce stack usagePeter Osterlund2006-02-141-26/+17
| | | | | | | | | | Reduce stack usage in the pkt_start_write() function. Even though it's not currently a real problem, the pages and offsets arrays can be eliminated, which saves approximately 1000 bytes of stack space. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Don't unlock the door if the disc is in usePeter Osterlund2006-02-141-1/+2
| | | | | | | | | | Unlocking the door when the disc is in use is obviously not good, because then it's possible to eject the disc at the wrong time and cause severe disc data corruption. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Allow non-writable media to be mountedPeter Osterlund2006-02-141-4/+3
| | | | | | | | | If opening for write fails, the open method should return -EROFS. This makes "mount" try again with a read-only mount, instead of just giving up. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Don't spam the kernel log when nothing is wrongPeter Osterlund2006-02-141-3/+3
| | | | | | | | | Change some messages that don't indicate an error so that they are only printed when debugging is enabled. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cciss: softirq handler needs to save interrupt flagsJens Axboe2006-02-071-2/+3
| | | | | | | | The softirq rq completion handler needs to save/restore interrupt flags appropriately. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Don't waste kernel memoryPeter Osterlund2006-02-052-27/+30
| | | | | | | | | | | Allocate memory for read-gathering at open time, when it is known just how much memory is needed. This avoids wasting kernel memory when the real packet size is smaller than the maximum packet size supported by the driver. This is always the case when using DVD discs. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Let CDROM_PKTCDVD_WCACHE depend on EXPERIMENTALAdrian Bunk2006-02-051-2/+2
| | | | | | | | | Unless the help text is outdated, this seems to be logical. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: remove version stringPeter Osterlund2006-02-051-3/+0
| | | | | | | | | The version information is not useful for a driver that is maintained in Linus' kernel tree. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Fix overflow for discs with large packetsPhillip Susi2006-02-051-1/+1
| | | | | | | | | | | | | | | The pktcdvd driver was using an 8 bit field to store the packet length obtained from the disc track info. This causes it to overflow packet length values of 128KB or more. I changed the field to 32 bits to fix this. The pktcdvd driver defaulted to its maximum allowed packet length when it detected a 0 in the track info field. I changed this to fail the operation and refuse to access the media. This seems more sane than attempting to access it with a value that almost certainly will not work. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] umem: check pci_set_dma_mask return value correctlyTobias Klauser2006-02-031-1/+1
| | | | | | | Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: ub 05 Bulk resetPete Zaitcev2006-01-311-7/+59
| | | | | | | | | | | | | For crying out loud, they have devices which do not like port resets. So, do what usb-storage does and try both bulk and port resets. We start with a port reset (which usb-storage does at the end of transport), then do a Bulk reset, then a port reset again. This seems to work for me. The code is getting dirtier and dirtier here, but I swear that I'll do something about it (see those two new XXX). Honest. Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] USB: ub 04 Loss of timer and a hangPete Zaitcev2006-01-311-2/+3
| | | | | | | | | | | | | | | | | | | If SCSI commands are submitted while other commands are still processed, the dispatch loop turns, and we stop the work_timer. Then, if URB fails to complete, ub hangs until the device is unplugged. This does not happen often, becase we only allow one SCSI command per block device, but does happen (on multi-LUN devices, for example). The fix is to stop timer only when we actually going to change the state. The nicest code would be to have the timer stopped in URB callback, but this is impossible, because it can be called from inside a timer, through the urb_unlink. Then we get BUG in timer.c:cascade(). So, we do it a little dirtier. Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] USB: ub 03 Oops with CFQPete Zaitcev2006-01-311-23/+45
| | | | | | | | | | | | The blk_cleanup_queue does not necesserily destroy the queue. When we destroy the corresponding ub_dev, it may leave the queue spinlock pointer dangling. This patch moves spinlocks from ub_dev to static memory. The locking scheme is not changed. These spinlocks are still separate from the ub_lock. Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Fix drivers/block/ps2esdi.c compileJens Axboe2006-01-161-0/+1
| | | | Looks like fallout from the geo stuff.
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2006-01-151-1/+0
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| * remove unused LOCAL_END_REQUESTDomen Puncer2006-01-151-1/+0
| | | | | | | | | | | | | | Remove the last occurence of LOCAL_END_REQUEST. Signed-off-by: Domen Puncer <domen@coderock.org> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | [PATCH] pktcdvd: un-inline some functionsPeter Osterlund2006-01-141-2/+2
| | | | | | | | | | | | | | | | | | Un-inline two functions in the pktcdvd driver. This makes the compiled code 172 bytes smaller on my system. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Unlinline a bunch of other functionsArjan van de Ven2006-01-141-1/+1
|/ | | | | | | | | | | Remove the "inline" keyword from a bunch of big functions in the kernel with the goal of shrinking it by 30kb to 40kb Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2006-01-121-17/+15
|\ | | | | | | | | | | | | Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's gone, gone, gone). Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [PATCH] powerpc: remove bitfields from HvLpEventStephen Rothwell2006-01-121-17/+15
| | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] m68k: kill mach_floppy_setup, convert to proper __setup() in driversAl Viro2006-01-122-10/+28
| | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68k: ataflop __user annotations, NULL noise removalAl Viro2006-01-121-4/+5
| | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68k: amiflop __user annotationsAl Viro2006-01-121-5/+3
| | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68k: namespace pollution fix (custom->amiga_custom)Al Viro2006-01-121-0/+2
|/ | | | | | | | | | in amigahw.h custom renamed to amiga_custom, in drivers with few instances the same replacement, in the rest - #define custom amiga_custom in driver itself Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds2006-01-094-4/+4
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| * [PATCH] drivers/block: Replace pci_module_init() with pci_register_driver()Richard Knutsson2006-01-094-4/+4
| | | | | | | | | | | | | | Replace obsolete pci_module_init() with pci_register_driver(). Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] mutex subsystem, semaphore to completion: drivers/block/loop.cIngo Molnar2006-01-091-15/+12
| | | | | | | | | | | | convert the block loop device from semaphores to completions. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | [PATCH] mutex subsystem, semaphore to completion: SX8Steven Rostedt2006-01-091-6/+6
| | | | | | | | | | | | change SX8 semaphores to completions. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_semJes Sorensen2006-01-091-2/+2
|/ | | | | | | | | | | | | This patch converts the inode semaphore to a mutex. I have tested it on XFS and compiled as much as one can consider on an ia64. Anyway your luck with it might be different. Modified-by: Ingo Molnar <mingo@elte.hu> (finished the conversion) Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2006-01-091-15/+23
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| * [PATCH] powerpc: Remove device_node addrs/n_addrBenjamin Herrenschmidt2006-01-091-15/+23
| | | | | | | | | | | | | | | | | | | | | | | | The pre-parsed addrs/n_addrs fields in struct device_node are finally gone. Remove the dodgy heuristics that did that parsing at boot and remove the fields themselves since we now have a good replacement with the new OF parsing code. This patch also fixes a bunch of drivers to use the new code instead, so that at least pmac32, pseries, iseries and g5 defconfigs build. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [BLOCK] CCISS: update for blk softirq completionsJens Axboe2006-01-091-26/+46
| | | | | | | | Signed-off-by: Jens Axboe <axboe@suse.de>
* | [PATCH] cciss: avoid defining useless MAJOR_NR macroChristoph Hellwig2006-01-082-3/+1
| | | | | | | | | | | | | | | | This sneaked in with one of the updates. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] drivers/block: Use ARRAY_SIZE macroTobias Klauser2006-01-087-15/+14
| | | | | | | | | | | | | | | | | | | | | | | | Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of ARRAY_SIZE. Some trailing whitespaces are also removed. drivers/block/acsi* has been left out as it's marked BROKEN. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] cciss: adds MSI and MSI-X supportMike Miller2006-01-083-13/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This creates a new function, cciss_interrupt_mode called from cciss_pci_init. This function determines what type of interrupt vector to use, i.e., MSI, MSI-X, or IO-APIC. One noticeable difference is changing the interrupt field of the controller struct to an array of 4 unsigned ints. The Smart Array HW is capable of generating 4 distinct interrupts depending on the transport method in use during operation. These are: #define DOORBELL_INT 0 Used to notify the contoller of configuration updates. We only use this feature when in polling mode. #define PERF_MODE_INT 0 Used when the controller is in Performant Mode. #define SIMPLE_MODE_INT 2 Used when the controller is in Simple Mode (current Linux implementation). #define MEMQ_INT_MODE 3 Not used. When using IO-APIC interrupts these 4 lines are OR'ed together so when any one fires an interrupt an is generated. In MSI or MSI-X mode this hardware OR'ing is ignored. We must register for our interrupt depending on what mode the controller is running. For Linux we use SIMPLE_MODE_INT exclusively at this time. Please consider this for inclusion. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] nbd: remove duplicate assignmenttaneli.vahakangas@netsonic.fi2006-01-081-1/+0
| | | | | | | | | | | | | | | | | | | | <stuartm@connecttech.com> Sent by Paul Clements <paul.clements@steeleye.com>, who needs to read Documentation/SubmittingPatches.. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Add block_device_operations.getgeo block device methodChristoph Hellwig2006-01-0814-270/+196
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HDIO_GETGEO is implemented in most block drivers, and all of them have to duplicate the code to copy the structure to userspace, as well as getting the start sector. This patch moves that to common code [1] and adds a ->getgeo method to fill out the raw kernel hd_geometry structure. For many drivers this means ->ioctl can go away now. [1] the s390 block drivers are odd in this respect. xpram sets ->start to 4 always which seems more than odd, and the dasd driver shifts the start offset around, probably because of it's non-standard sector size. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Jens Axboe <axboe@suse.de> Cc: <mike.miller@hp.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo Giarrusso <blaisorblade@yahoo.it> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] pktcdvd: Use bd_claim to get exclusive accessPeter Osterlund2006-01-081-3/+9
|/ | | | | | | | | | Use bd_claim() when opening the cdrom device to prevent user space programs such as cdrecord, hald and kded from interfering with the burning process. Signed-off-by: Peter Osterlund <petero2@telia.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'post-2.6.15' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2006-01-068-8/+8
|\ | | | | | | | | | | | | Manual fixup for merge with Jens' "Suspend support for libata", commit ID 9b847548663ef1039dd49f0eb4463d001e596bc3. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [BLOCK] add @uptodate to end_that_request_last() and @error to rq_end_io_fn()Tejun Heo2006-01-068-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | add @uptodate argument to end_that_request_last() and @error to rq_end_io_fn(). there's no generic way to pass error code to request completion function, making generic error handling of non-fs request difficult (rq->errors is driver-specific and each driver uses it differently). this patch adds @uptodate to end_that_request_last() and @error to rq_end_io_fn(). for fs requests, this doesn't really matter, so just using the same uptodate argument used in the last call to end_that_request_first() should suffice. imho, this can also help the generic command-carrying request jens is working on. Signed-off-by: tejun heo <htejun@gmail.com> Signed-Off-By: Jens Axboe <axboe@suse.de>
* | [PATCH] parport: Kconfig dependency fixesMarko Kohtala2006-01-062-3/+4
| | | | | | | | | | | | | | | | | | Make drivers that use directly PC parport HW depend on PARPORT_PC rather than HW independent PARPORT. Signed-off-by: Marko Kohtala <marko.kohtala@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] nbd: fix TX/RX race conditionHerbert Xu2006-01-061-62/+60
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Janos Haar of First NetCenter Bt. reported numerous crashes involving the NBD driver. With his help, this was tracked down to bogus bio vectors which in turn was the result of a race condition between the receive/transmit routines in the NBD driver. The bug manifests itself like this: CPU0 CPU1 do_nbd_request add req to queuelist nbd_send_request send req head for each bio kmap send nbd_read_stat nbd_find_request nbd_end_request kunmap When CPU1 finishes nbd_end_request, the request and all its associated bio's are freed. So when CPU0 calls kunmap whose argument is derived from the last bio, it may crash. Under normal circumstances, the race occurs only on the last bio. However, if an error is encountered on the remote NBD server (such as an incorrect magic number in the request), or if there were a bug in the server, it is possible for the nbd_end_request to occur any time after the request's addition to the queuelist. The following patch fixes this problem by making sure that requests are not added to the queuelist until after they have been completed transmission. In order for the receiving side to be ready for responses involving requests still being transmitted, the patch introduces the concept of the active request. When a response matches the current active request, its processing is delayed until after the tranmission has come to a stop. This has been tested by Janos and it has been successful in curing this race condition. From: Herbert Xu <herbert@gondor.apana.org.au> Here is an updated patch which removes the active_req wait in nbd_clear_queue and the associated memory barrier. I've also clarified this in the comment. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cc: <djani22@dynamicweb.hu> Cc: Paul Clements <Paul.Clements@SteelEye.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge http://oss.oracle.com/git/ocfs2Linus Torvalds2006-01-052-7/+20
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