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2008-07-15SUNRPC: Support registering IPv6 interfaces with local rpcbind daemonChuck Lever2-4/+177
Introduce a new API to register RPC services on IPv6 interfaces to allow the NFS server and lockd to advertise on IPv6 networks. Unlike rpcb_register(), the new rpcb_v4_register() function uses rpcbind protocol version 4 to contact the local rpcbind daemon. The version 4 SET/UNSET procedures allow services to register address families besides AF_INET, register at specific network interfaces, and register transport protocols besides UDP and TCP. All of this functionality is exposed via the new rpcb_v4_register() kernel API. A user-space rpcbind daemon implementation that supports version 4 of the rpcbind protocol is required in order to make use of this new API. Note that rpcbind version 3 is sufficient to support the new rpcbind facilities listed above, but most extant implementations use version 4. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15SUNRPC: Refactor rpcb_register to make rpcbindv4 support easierChuck Lever1-18/+30
rpcbind version 4 registration will reuse part of rpcb_register, so just split it out into a separate function now. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15SUNRPC: None of rpcb_create's callers wants a privileged source portChuck Lever1-7/+5
Clean up: Callers that required a privileged source port now use rpcb_create_local(), so we can remove the @privileged argument from rpcb_create(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15SUNRPC: Introduce a specific rpcb_create for contacting localhostChuck Lever1-11/+31
Add rpcb_create_local() for use by rpcb_register() and upcoming IPv6 registration functions. Ensure any errors encountered by rpcb_create_local() are properly reported. We can also use a statically allocated constant loopback socket address instead of one allocated on the stack and initialized every time the function is called. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15SUNRPC: Use correct XDR encoding procedure for rpcbind SET/UNSETChuck Lever1-4/+8
The rpcbind versions 3 and 4 SET and UNSET procedures use the same arguments as the GETADDR procedure. While definitely a bug, this hasn't been a problem so far since the kernel hasn't used version 3 or 4 SET and UNSET. But this will change in just a moment. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15Don't crash on IOMMU overflow in A100U2W driverMikulas Patocka1-3/+8
Handle IOMMU overflow correctly, by retrying. IOMMU errors can happen and drivers must deal with them. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15BUG_ON on kernel misbehavior on A100U2W driverMikulas Patocka1-0/+1
With broken Sparc64 IOMMU accounting, the kernel submits larger requests then allowed. Better to crash on BUG than corrupt memory. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15Add udelay to A100U2W SCSI driverMikulas Patocka1-0/+1
udelay is required on Sun Ultra 5. I don't know any reason or explanation for this, it was found purely experimentally. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15Fix endianity in A100U2W SCSI driverMikulas Patocka1-18/+18
Support big endian systems in a100u2w driver. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15generic ipi function calls: wait on alloc failure fallbackJeremy Fitzhardinge1-0/+1
When a GFP_ATOMIC allocation fails, it falls back to allocating the data on the stack and converting it to a waiting call. Make sure we actually wait in this case. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15mm: fix build on non-mmu machinesSebastian Siewior1-1/+1
Commit 1ea0704e0d aka "mm: add a ptep_modify_prot transaction abstraction" caused: | CC init/main.o |In file included from include2/asm/pgtable.h:68, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/mm.h:39, | from include2/asm/uaccess.h:8, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/poll.h:13, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/rtc.h:113, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/efi.h:19, | from /home/bigeasy/git/linux-2.6-m68k/init/main.c:43: |/linux-2.6/include/asm-generic/pgtable.h: In function '__ptep_modify_prot_start': |/linux-2.6/include/asm-generic/pgtable.h:209: error: implicit declaration of function 'ptep_get_and_clear' |/linux-2.6/include/asm-generic/pgtable.h:209: error: incompatible types in return |/linux-2.6/include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': |/linux-2.6/include/asm-generic/pgtable.h:220: error: implicit declaration of function 'set_pte_at' |make[2]: *** [init/main.o] Error 1 |make[1]: *** [init] Error 2 |make: *** [sub-make] Error 2 on my m68knommu box. Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Hugh Dickins <hugh@veritas.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15ftrace: maintainerSteven Rostedt1-0/+5
I'm willing to take responsibility for ftrace, and follow up on any issues that arise due to it. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15generic-ipi: more merge falloutIngo Molnar4-8/+8
fix more API change fallout in recently merged upstream changes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-15generic-ipi: merge fixIngo Molnar1-1/+1
fix merge fallout: arch/x86/pci/amd_bus.c: In function ‘enable_pci_io_ecs': arch/x86/pci/amd_bus.c:581: error: too many arguments to function ‘on_each_cpu' Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-15ide-floppy: fix unfortunate function namingBorislav Petkov1-8/+10
mv idefloppy_transfer_pc1 idefloppy_start_pc_transfer mv idefloppy_transfer_pc2 idefloppy_transfer_pc which describes their functionality and disambiguates them. There should be no functionality change introduced by this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: unify idetape_create_read/write_cmdBorislav Petkov1-27/+18
A straightforward one. There should be no functional change resulting from this change. [bart: minor fixups] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide: add ide_pc_intr() helperBartlomiej Zolnierkiewicz5-363/+195
* ide-tape.c: add 'drive' argument to idetape_update_buffers(). * Add generic ide_pc_intr() helper to ide-atapi.c and then convert ide-{floppy,tape,scsi} device drivers to use it. * ide-tape.c: remove no longer needed DBG_PC_INTR. There should be no functional changes caused by this patch (unless the debugging is explicitely compiled in). Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-{floppy,scsi}: read Status Register before stopping DMA engineBartlomiej Zolnierkiewicz2-6/+7
Read Status Register before stopping DMA engine to match ide-tape device driver - it should be safe and shouldn't affect anything. This is a preparation for adding generic ide_pc_intr() helper. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-scsi: add more debugging to idescsi_pc_intr()Bartlomiej Zolnierkiewicz1-2/+11
Add more debugging to idescsi_pc_intr() to match ide-tape's idetape_pc_intr(). While at it: * Correct the first debug message. This is a preparation for adding generic ide_pc_intr() helper. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-scsi: use pc->callbackBartlomiej Zolnierkiewicz1-10/+22
* Add ide_scsi_callback() pc->callback implementation, then update idescsi_check_condition() and idescsi_queue() to setup ->callback. * Convert idescsi_pc_intr() to use pc->callback. This is a preparation for adding generic ide_pc_intr() helper. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-floppy: add more debugging to idefloppy_pc_intr()Bartlomiej Zolnierkiewicz1-2/+8
Add more debugging to idefloppy_pc_intr() to match ide-tape's idetape_pc_intr(). While at it: * Correct the first debug message. * Log device name with "DMA finished" message. This is a preparation for adding generic ide_pc_intr() helper. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: always log debug info in idetape_pc_intr() if debugging is enabledBartlomiej Zolnierkiewicz1-9/+10
Add DBG_PC_INTR debug level and use it to always log debug info in idetape_pc_intr() if debugging is enabled. While at it: * Use drive->name instead of tape->name. * Log device name with "DMA finished" message. This is a preparation for adding generic ide_pc_intr() helper. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: add ide_tape_io_buffers() helperBartlomiej Zolnierkiewicz1-5/+10
* Add ide_tape_io_buffers() helper which is a wrapper for idetape_{in,out}put_buffers() and convert idetape_pc_intr() to use it. * Remove no longer used idetape_io_buf typedef. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>---
2008-07-15ide-tape: factor out DSC handling from idetape_pc_intr()Bartlomiej Zolnierkiewicz1-6/+13
Factor out DSC handling from idetape_pc_intr() to ide_tape_handle_dsc() helper as a preparation for adding generic ide_pc_intr() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-{floppy,tape}: move checking of ->failed_pc to ->callbackBartlomiej Zolnierkiewicz2-6/+6
Move checking/resetting of ->failed_pc from ide*_pc_intr() to ->callback as a preparation for adding generic ide_pc_intr() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>---
2008-07-15ide: add ide_issue_pc() helperBartlomiej Zolnierkiewicz5-89/+57
Add generic ide_issue_pc() helper to ide-atapi.c and then convert ide-{floppy,tape,scsi} device drivers to use it. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide: add PC_FLAG_DRQ_INTERRUPT pc flagBartlomiej Zolnierkiewicz4-5/+18
Add PC_FLAG_DRQ_INTERRUPT pc flag, set it in ide*_do_request() and check for it (instead of checking for IDE*_FLAG_DRQ_INTERRUPT) in ide*_issue_pc(). This is a preparation for adding generic ide_issue_pc() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-scsi: move idescsi_map_sg() call out from idescsi_issue_pc()Bartlomiej Zolnierkiewicz1-6/+10
Move idescsi_map_sg() call out from idescsi_issue_pc() to idescsi_do_request() as a preparation to adding generic ide_issue_pc() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide: add ide_transfer_pc() helperBartlomiej Zolnierkiewicz7-109/+85
* Add ide-atapi.c file for generic ATAPI support together with CONFIG_IDE_ATAPI config option. * Add generic ide_transfer_pc() helper to ide-atapi.c and then convert ide-{floppy,tape,scsi} device drivers to use it. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-scsi: set drive->scsi flag for devices handled by the driverBartlomiej Zolnierkiewicz1-0/+5
This is a preparation for adding generic ide_transfer_pc() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-{cd,floppy,tape}: remove checking for drive->scsiBartlomiej Zolnierkiewicz3-15/+0
Remove checking for drive->scsi which is no longer set by IDE core code (leave the flag since it will be re-used for generic ATAPI support). Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide: add PC_FLAG_ZIP_DRIVE pc flagBartlomiej Zolnierkiewicz2-2/+7
Add PC_FLAG_ZIP_DRIVE pc flag, set it in idefloppy_do_request() and check for it (instead of checking for IDEFLOPPY_FLAG_ZIP_DRIVE) in idefloppy_transfer_pc(). This is a preparation for adding generic ide_transfer_pc() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: factor out waiting for good ireason from idetape_transfer_pc()Bartlomiej Zolnierkiewicz1-11/+23
Factor out waiting for good ireason from idetape_transfer_pc() to ide_tape_wait_ireason() as a preparation for adding generic ide_transfer_pc() helper. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: set PC_FLAG_DMA_IN_PROGRESS flag in idetape_transfer_pc()Bartlomiej Zolnierkiewicz1-4/+6
Set PC_FLAG_DMA_IN_PROGRESS flag in idetape_transfer_pc() instead of idetape_issue_pc() to match the other ATAPI device drivers. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-floppy: start DMA engine in idefloppy_transfer_pc1()Bartlomiej Zolnierkiewicz1-6/+10
Start DMA engine and set PC_FLAG_DMA_IN_PROGRESS flag in idefloppy_transfer_pc1() instead of idefloppy_issue_pc() so the Status Register and the Interrupt Reason Register are checked first. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-{floppy,tape}: PC_FLAG_DMA_RECOMMENDED -> PC_FLAG_DMA_OKBartlomiej Zolnierkiewicz3-11/+10
* Use PC_FLAG_DMA_OK flag instead of PC_FLAG_DMA_RECOMMENDED one. * Remove no longer used PC_FLAG_DMA_RECOMMENDED flag. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-{floppy,tape}: merge pc->idefloppy_callback and pc->idetape_callbackBartlomiej Zolnierkiewicz3-9/+9
Merge pc->idefloppy_callback and pc->idetape_callback into pc->callback. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-floppy: merge callbacksBorislav Petkov1-46/+23
The appropriate functionality of the callback is established through querying the ATAPI packet command in pc->c[0]. While at it, simplify if (floppy->failed_pc)-branch to be found in the original idefloppy_request_sense_callback(). Bart: - keep handling for blk_pc_request() requests unchanged + add FIXME - add uptodate variable + leave just one idefloppy_end_request() call - add newline to the debug message Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: make pc->idetape_callback voidBartlomiej Zolnierkiewicz2-7/+8
There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: merge callbacksBartlomiej Zolnierkiewicz1-104/+64
The appropriate functionality of the callback is established through querying the ATAPI packet command in pc->c[0]. While at it: - add uptodate variable + leave just one idetape_end_request() call - don't use HWGROUP() macro Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: make idetape_retry_pc() voidBartlomiej Zolnierkiewicz1-4/+5
idetape_retry_pc() always returns ide_stopped so make it void. There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-{floppy,tape,scsi}: log device name instead of driver nameBartlomiej Zolnierkiewicz3-48/+53
Log device name instead of driver name in *_pc_intr() and *_transfer_pc*(). While at it: * Merge two consecutive printk()-s in *_pc_intr() together. * Replace "floppy"/"tape"/"scsi" references in printk()-s by "device". Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-floppy: merge idefloppy_transfer_pc() and idefloppy_transfer_pc1()Bartlomiej Zolnierkiewicz1-48/+17
* Check IDEFLOPPY_FLAG_ZIP_DRIVE flag in idefloppy_transfer_pc1() and skip idefloppy_transfer_pc2()-phase if the flag is not set. * Always use idefloppy_transfer_pc1() in idefloppy_issue_pc() and remove no longer needed idefloppy_transfer_pc(). There should be no functional changes caused by this patch. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: remove SIMULATE_ERRORS debug codeBartlomiej Zolnierkiewicz1-14/+0
Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: remove stale comments from idetape_pc_intr()Bartlomiej Zolnierkiewicz1-21/+0
Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: remove unneeded CONFIG_BLK_DEV_IDEDMA ifdefBartlomiej Zolnierkiewicz1-2/+2
PC_FLAG_DMA_IN_PROGRESS flag is never set if DMA support is disabled. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: remove superfluous warning message from idetape_issue_pc()Bartlomiej Zolnierkiewicz1-2/+0
ide_dma_off() prints info about DMA being disabled. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: remove superfluous error message from idetape_pc_intr()Bartlomiej Zolnierkiewicz1-1/+0
ide_dma_off() prints info about DMA being disabled. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-tape: idetape_pc_intr() should use local_irq_enable_in_hardirq()Bartlomiej Zolnierkiewicz1-1/+1
Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-15ide-scsi: add debug_log() macroBartlomiej Zolnierkiewicz1-26/+25
Add debug_log() macro and convert the driver to use it. [ This makes debug messages to be always prefixed with "ide-scsi: " and use KERN_INFO level. ] While at it: * Change "DMA complete" debug message to "DMA finished" to match other ATAPI device drivers. * Use __func__. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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