Commit Graph

10455 Commits

Author SHA1 Message Date
Linus Torvalds 4e13c5d021 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "The highlights this round include:

  - add support for SCSI Referrals (Hannes)
  - add support for T10 DIF into target core (nab + mkp)
  - add support for T10 DIF emulation in FILEIO + RAMDISK backends (Sagi + nab)
  - add support for T10 DIF -> bio_integrity passthrough in IBLOCK backend (nab)
  - prep changes to iser-target for >= v3.15 T10 DIF support (Sagi)
  - add support for qla2xxx N_Port ID Virtualization - NPIV (Saurav + Quinn)
  - allow percpu_ida_alloc() to receive task state bitmask (Kent)
  - fix >= v3.12 iscsi-target session reset hung task regression (nab)
  - fix >= v3.13 percpu_ref se_lun->lun_ref_active race (nab)
  - fix a long-standing network portal creation race (Andy)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (51 commits)
  target: Fix percpu_ref_put race in transport_lun_remove_cmd
  target/iscsi: Fix network portal creation race
  target: Report bad sector in sense data for DIF errors
  iscsi-target: Convert gfp_t parameter to task state bitmask
  iscsi-target: Fix connection reset hang with percpu_ida_alloc
  percpu_ida: Make percpu_ida_alloc + callers accept task state bitmask
  iscsi-target: Pre-allocate more tags to avoid ack starvation
  qla2xxx: Configure NPIV fc_vport via tcm_qla2xxx_npiv_make_lport
  qla2xxx: Enhancements to enable NPIV support for QLOGIC ISPs with TCM/LIO.
  qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure
  IB/isert: pass scatterlist instead of cmd to fast_reg_mr routine
  IB/isert: Move fastreg descriptor creation to a function
  IB/isert: Avoid frwr notation, user fastreg
  IB/isert: seperate connection protection domains and dma MRs
  tcm_loop: Enable DIF/DIX modes in SCSI host LLD
  target/rd: Add DIF protection into rd_execute_rw
  target/rd: Add support for protection SGL setup + release
  target/rd: Refactor rd_build_device_space + rd_release_device_space
  target/file: Add DIF protection support to fd_execute_rw
  target/file: Add DIF protection init/format support
  ...
2014-01-31 15:31:23 -08:00
Linus Torvalds f568849eda Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block
Pull core block IO changes from Jens Axboe:
 "The major piece in here is the immutable bio_ve series from Kent, the
  rest is fairly minor.  It was supposed to go in last round, but
  various issues pushed it to this release instead.  The pull request
  contains:

   - Various smaller blk-mq fixes from different folks.  Nothing major
     here, just minor fixes and cleanups.

   - Fix for a memory leak in the error path in the block ioctl code
     from Christian Engelmayer.

   - Header export fix from CaiZhiyong.

   - Finally the immutable biovec changes from Kent Overstreet.  This
     enables some nice future work on making arbitrarily sized bios
     possible, and splitting more efficient.  Related fixes to immutable
     bio_vecs:

        - dm-cache immutable fixup from Mike Snitzer.
        - btrfs immutable fixup from Muthu Kumar.

  - bio-integrity fix from Nic Bellinger, which is also going to stable"

* 'for-3.14/core' of git://git.kernel.dk/linux-block: (44 commits)
  xtensa: fixup simdisk driver to work with immutable bio_vecs
  block/blk-mq-cpu.c: use hotcpu_notifier()
  blk-mq: for_each_* macro correctness
  block: Fix memory leak in rw_copy_check_uvector() handling
  bio-integrity: Fix bio_integrity_verify segment start bug
  block: remove unrelated header files and export symbol
  blk-mq: uses page->list incorrectly
  blk-mq: use __smp_call_function_single directly
  btrfs: fix missing increment of bi_remaining
  Revert "block: Warn and free bio if bi_end_io is not set"
  block: Warn and free bio if bi_end_io is not set
  blk-mq: fix initializing request's start time
  block: blk-mq: don't export blk_mq_free_queue()
  block: blk-mq: make blk_sync_queue support mq
  block: blk-mq: support draining mq queue
  dm cache: increment bi_remaining when bi_end_io is restored
  block: fixup for generic bio chaining
  block: Really silence spurious compiler warnings
  block: Silence spurious compiler warnings
  block: Kill bio_pair_split()
  ...
2014-01-30 11:19:05 -08:00
Linus Torvalds 8e585a6c4a Main batch of InfiniBand/RDMA changes for 3.14:
- Flow steering for InfiniBand UD traffic
  - IP-based addressing for IBoE aka RoCE
  - Pass SRP submaintainership from Dave to Bart
  - SRP transport fixes from Bart
  - Add the new Cisco usNIC low-level device driver
  - Various other fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband updates from Roland Dreier:
 "Main batch of InfiniBand/RDMA changes for 3.14:
   - Flow steering for InfiniBand UD traffic
   - IP-based addressing for IBoE aka RoCE
   - Pass SRP submaintainership from Dave to Bart
   - SRP transport fixes from Bart
   - Add the new Cisco usNIC low-level device driver
   - Various other fixes"

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (75 commits)
  IB/mlx5: Verify reserved fields are cleared
  IB/mlx5: Remove old field for create mkey mailbox
  IB/mlx5: Abort driver cleanup if teardown hca fails
  IB/mlx5: Allow creation of QPs with zero-length work queues
  mlx5_core: Fix PowerPC support
  mlx5_core: Improve debugfs readability
  IB/mlx5: Add support for resize CQ
  IB/mlx5: Implement modify CQ
  IB/mlx5: Make sure doorbell record is visible before doorbell
  mlx5_core: Use mlx5 core style warning
  IB/mlx5: Clear out struct before create QP command
  mlx5_core: Fix out arg size in access_register command
  RDMA/nes: Slight optimization of Ethernet address compare
  IB/qib: Fix QP check when looping back to/from QP1
  RDMA/cxgb4: Fix gcc warning on 32-bit arch
  IB/usnic: Remove unused includes of <linux/version.h>
  RDMA/amso1100: Add check if cache memory was allocated before freeing it
  IPoIB: Report operstate consistently when brought up without a link
  IB/core: Fix unused variable warning
  RDMA/cma: Handle global/non-linklocal IPv6 addresses in cma_check_linklocal()
  ...
2014-01-24 17:18:32 -08:00
Linus Torvalds 93b05cba8e A few simple fixes. Quiet cycle.
Cheers,
 Rusty.
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Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio update from Rusty Russell:
 "A few simple fixes.  Quiet cycle"

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  drivers: virtio: Mark function virtballoon_migratepage() as static in virtio_balloon.c
  virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
  virtio: pci: remove unnecessary pci_set_drvdata()
2014-01-22 22:24:35 -08:00
Linus Torvalds bb1281f2aa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
 "Usual rocket science stuff from trivial.git"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  neighbour.h: fix comment
  sched: Fix warning on make htmldocs caused by wait.h
  slab: struct kmem_cache is protected by slab_mutex
  doc: Fix typo in USB Gadget Documentation
  of/Kconfig: Spelling s/one/once/
  mkregtable: Fix sscanf handling
  lp5523, lp8501: comment improvements
  thermal: rcar: comment spelling
  treewide: fix comments and printk msgs
  IXP4xx: remove '1 &&' from a condition check in ixp4xx_restart()
  Documentation: update /proc/uptime field description
  Documentation: Fix size parameter for snprintf
  arm: fix comment header and macro name
  asm-generic: uaccess: Spelling s/a ny/any/
  mtd: onenand: fix comment header
  doc: driver-model/platform.txt: fix a typo
  drivers: fix typo in DEVTMPFS_MOUNT Kconfig help text
  doc: Fix typo (acces_process_vm -> access_process_vm)
  treewide: Fix typos in printk
  drivers/gpu/drm/qxl/Kconfig: reformat the help text
  ...
2014-01-22 21:21:55 -08:00
Linus Torvalds 194e57fd18 SCSI for-linus on 20140122
This patch set is a lot of driver updates for qla4xxx, bfa, hpsa, qla2xxx.  It
 also removes the aic7xxx_old driver (which has been deprecated for nearly a
 decade) and adds support for deadlines in error handling.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This patch set is a lot of driver updates for qla4xxx, bfa, hpsa,
  qla2xxx.  It also removes the aic7xxx_old driver (which has been
  deprecated for nearly a decade) and adds support for deadlines in
  error handling"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (75 commits)
  [SCSI] hpsa: allow SCSI mid layer to handle unit attention
  [SCSI] hpsa: do not require board "not ready" status after hard reset
  [SCSI] hpsa: enable unit attention reporting
  [SCSI] hpsa: rename scsi prefetch field
  [SCSI] hpsa: use workqueue instead of kernel thread for lockup detection
  [SCSI] ipr: increase dump size in ipr driver
  [SCSI] mac_scsi: Fix crash on out of memory
  [SCSI] st: fix enlarge_buffer
  [SCSI] qla1280: Annotate timer on stack so object debug does not complain
  [SCSI] qla4xxx: Update driver version to 5.04.00-k3
  [SCSI] qla4xxx: Recreate chap data list during get chap operation
  [SCSI] qla4xxx: Add support for ISCSI_PARAM_LOCAL_IPADDR sysfs attr
  [SCSI] libiscsi: Add local_ipaddr parameter in iscsi_conn struct
  [SCSI] scsi_transport_iscsi: Export ISCSI_PARAM_LOCAL_IPADDR attr for iscsi_connection
  [SCSI] qla4xxx: Add host statistics support
  [SCSI] scsi_transport_iscsi: Add host statistics support
  [SCSI] qla4xxx: Added support for Diagnostics MBOX command
  [SCSI] bfa: Driver version upgrade to 3.2.23.0
  [SCSI] bfa: change FC_ELS_TOV to 20sec
  [SCSI] bfa: Observed auto D-port mode instead of manual
  ...
2014-01-22 17:32:26 -08:00
Linus Torvalds e1ba84597c PCI changes for the v3.14 merge window:
Resource management
     - Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
     - Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
     - Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
     - Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
     - Enforce bus address limits in resource allocation (Yinghai Lu)
     - Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
     - Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)
 
   PCI device hotplug
     - Major rescan/remove locking update (Rafael J. Wysocki)
     - Make ioapic builtin only (not modular) (Yinghai Lu)
     - Fix release/free issues (Yinghai Lu)
     - Clean up pciehp (Bjorn Helgaas)
     - Announce pciehp slot info during enumeration (Bjorn Helgaas)
 
   MSI
     - Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
     - Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
     - Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
     - Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
     - Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)
 
   SR-IOV
     - Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)
 
   Virtualization
     - Add support for save/restore of extended capabilities (Alex Williamson)
     - Add Virtual Channel to save/restore support (Alex Williamson)
     - Never treat a VF as a multifunction device (Alex Williamson)
     - Add pci_try_reset_function(), et al (Alex Williamson)
 
   AER
     - Ignore non-PCIe error sources (Betty Dall)
     - Support ACPI HEST error sources for domains other than 0 (Betty Dall)
     - Consolidate HEST error source parsers (Bjorn Helgaas)
     - Add a TLP header print helper (Borislav Petkov)
 
   Freescale i.MX6
     - Remove unnecessary code (Fabio Estevam)
     - Make reset-gpio optional (Marek Vasut)
     - Report "link up" only after link training completes (Marek Vasut)
     - Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
     - Fix PCIe startup code (Richard Zhu)
 
   Marvell MVEBU
     - Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
     - Drop writes to bridge Secondary Status register (Jason Gunthorpe)
     - Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
     - Support a bridge with no IO port window (Jason Gunthorpe)
     - Use max_t() instead of max(resource_size_t,) (Jingoo Han)
     - Remove redundant of_match_ptr (Sachin Kamat)
     - Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)
 
   NVIDIA Tegra
     - Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)
 
   Renesas R-Car
     - Add runtime PM support (Valentine Barshak)
     - Fix rcar_pci_probe() return value check (Wei Yongjun)
 
   Synopsys DesignWare
     - Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
     - Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
     - Fix missing MSI IRQs (Harro Haan)
     - Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
     - Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
     - Whitespace cleanup (Jingoo Han)
 
   EISA
     - Call put_device() if device_register() fails (Levente Kurusa)
     - Revert EISA initialization breakage ((Bjorn Helgaas)
 
   Miscellaneous
     - Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
     - Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
     - Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
     - Use dev_is_pci() to identify PCI devices (Yijing Wang)
     - Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
     - Update documentation 00-INDEX (Erik Ekman)
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Merge tag 'pci-v3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v3.14 merge window:

  Resource management
    - Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
    - Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
    - Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
    - Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
    - Enforce bus address limits in resource allocation (Yinghai Lu)
    - Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
    - Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)

  PCI device hotplug
    - Major rescan/remove locking update (Rafael J. Wysocki)
    - Make ioapic builtin only (not modular) (Yinghai Lu)
    - Fix release/free issues (Yinghai Lu)
    - Clean up pciehp (Bjorn Helgaas)
    - Announce pciehp slot info during enumeration (Bjorn Helgaas)

  MSI
    - Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
    - Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
    - Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
    - Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
    - Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)

  SR-IOV
    - Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)

  Virtualization
    - Add support for save/restore of extended capabilities (Alex Williamson)
    - Add Virtual Channel to save/restore support (Alex Williamson)
    - Never treat a VF as a multifunction device (Alex Williamson)
    - Add pci_try_reset_function(), et al (Alex Williamson)

  AER
    - Ignore non-PCIe error sources (Betty Dall)
    - Support ACPI HEST error sources for domains other than 0 (Betty Dall)
    - Consolidate HEST error source parsers (Bjorn Helgaas)
    - Add a TLP header print helper (Borislav Petkov)

  Freescale i.MX6
    - Remove unnecessary code (Fabio Estevam)
    - Make reset-gpio optional (Marek Vasut)
    - Report "link up" only after link training completes (Marek Vasut)
    - Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
    - Fix PCIe startup code (Richard Zhu)

  Marvell MVEBU
    - Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
    - Drop writes to bridge Secondary Status register (Jason Gunthorpe)
    - Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
    - Support a bridge with no IO port window (Jason Gunthorpe)
    - Use max_t() instead of max(resource_size_t,) (Jingoo Han)
    - Remove redundant of_match_ptr (Sachin Kamat)
    - Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)

  NVIDIA Tegra
    - Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)

  Renesas R-Car
    - Add runtime PM support (Valentine Barshak)
    - Fix rcar_pci_probe() return value check (Wei Yongjun)

  Synopsys DesignWare
    - Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
    - Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
    - Fix missing MSI IRQs (Harro Haan)
    - Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
    - Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
    - Whitespace cleanup (Jingoo Han)

  EISA
    - Call put_device() if device_register() fails (Levente Kurusa)
    - Revert EISA initialization breakage ((Bjorn Helgaas)

  Miscellaneous
    - Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
    - Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
    - Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
    - Use dev_is_pci() to identify PCI devices (Yijing Wang)
    - Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
    - Update documentation 00-INDEX (Erik Ekman)"

* tag 'pci-v3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (119 commits)
  Revert "EISA: Initialize device before its resources"
  Revert "EISA: Log device resources in dmesg"
  vfio-pci: Use pci "try" reset interface
  PCI: Check parent kobject in pci_destroy_dev()
  xen/pcifront: Use global PCI rescan-remove locking
  powerpc/eeh: Use global PCI rescan-remove locking
  PCI: Fix pci_check_and_unmask_intx() comment typos
  PCI: Add pci_try_reset_function(), pci_try_reset_slot(), pci_try_reset_bus()
  MPT / PCI: Use pci_stop_and_remove_bus_device_locked()
  platform / x86: Use global PCI rescan-remove locking
  PCI: hotplug: Use global PCI rescan-remove locking
  pcmcia: Use global PCI rescan-remove locking
  ACPI / hotplug / PCI: Use global PCI rescan-remove locking
  ACPI / PCI: Use global PCI rescan-remove locking in PCI root hotplug
  PCI: Add global pci_lock_rescan_remove()
  PCI: Cleanup pci.h whitespace
  PCI: Reorder so actual code comes before stubs
  PCI/AER: Support ACPI HEST AER error sources for PCI domains other than 0
  ACPICA: Add helper macros to extract bus/segment numbers from HEST table.
  PCI: Make local functions static
  ...
2014-01-22 16:39:28 -08:00
James Bottomley 4b1a9a5e40 Merge branch 'misc' into for-linus 2014-01-22 09:57:27 -08:00
Bart Van Assche 0c7f82189d scsi_transport_srp: Fix kernel-doc warnings
The following command has been used to verify that the kernel-doc
tool no longer complains about undocumented fields:

    scripts/kernel-doc -html drivers/scsi/scsi_transport_srp.c \
      include/scsi/scsi_transport_srp.h >srp-transport-doc.html

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Sebastian Riemer <sebastian.riemer@profitbricks.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-21 10:46:17 -08:00
Bart Van Assche 93079162bf scsi_transport_srp: Fix a race condition
The rport timers must be stopped before the SRP initiator destroys the
resources associated with the SCSI host. This is necessary because
otherwise the callback functions invoked from the SRP transport layer
could trigger a use-after-free. Stopping the rport timers before
invoking scsi_remove_host() can trigger long delays in the SCSI error
handler if a transport layer failure occurs while scsi_remove_host()
is in progress. Hence move the code for stopping the rport timers from
srp_rport_release() into a new function and invoke that function after
scsi_remove_host() has finished. This patch fixes the following
sporadic kernel crash:

     kernel BUG at include/asm-generic/dma-mapping-common.h:64!
     invalid opcode: 0000 [#1] SMP
     RIP: 0010:[<ffffffffa03b20b1>]  [<ffffffffa03b20b1>] srp_unmap_data+0x121/0x130 [ib_srp]
     Call Trace:
     [<ffffffffa03b20fc>] srp_free_req+0x3c/0x80 [ib_srp]
     [<ffffffffa03b2188>] srp_finish_req+0x48/0x70 [ib_srp]
     [<ffffffffa03b21fb>] srp_terminate_io+0x4b/0x60 [ib_srp]
     [<ffffffffa03a6fb5>] __rport_fail_io_fast+0x75/0x80 [scsi_transport_srp]
     [<ffffffffa03a7438>] rport_fast_io_fail_timedout+0x88/0xc0 [scsi_transport_srp]
     [<ffffffff8108b370>] worker_thread+0x170/0x2a0
     [<ffffffff81090876>] kthread+0x96/0xa0
     [<ffffffff8100c0ca>] child_rip+0xa/0x20

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-21 10:46:17 -08:00
Bart Van Assche 18cc4e0250 scsi_transport_srp: Block rport upon TL error even with fast_io_fail_tmo = off
The current behavior of the SRP transport layer when a transport layer
error is encountered is to block SCSI command processing only if
fast_io_fail_tmo != off.  The current behavior of the FC transport
layer when a transport layer error is encountered is to block SCSI
command processing no matter which value fast_io_fail_tmo has been set
to.  Make the behavior of the SRP transport layer consistent with that
of the FC transport layer to avoid confusion.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-21 10:46:17 -08:00
Linus Torvalds 8cf7a16ee9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
 - Zorro bus cleanups and UAPI revival
 - Bootinfo cleanups and UAPI revival
 - Kexec support
 - Memory size reductions and bug fixes for multi-platform kernels
 - Polled interrupt support for Atari EtherNAT, EtherNEC and NetUSBee
 - Machine-specific random_get_entropy()
 - Defconfig updates and cleanups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (46 commits)
  m68k/mac: Make SCC reset work more reliably
  m68k/irq - Use polled IRQ flag for MFP timer cascaded interrupts
  m68k: Update defconfigs for v3.13-rc1
  m68k/defconfig: Enable EARLY_PRINTK
  m68k/mm: kmap spelling/grammar fixes
  m68k: Convert arch/m68k/kernel/traps.c to pr_*()
  m68k: Convert arch/m68k/mm/fault.c to pr_*()
  m68k/mm: Check for mm != NULL in do_page_fault() debug code
  m68k/defconfig: Disable /sbin/hotplug fork-bomb by default
  m68k/atari: Hide RTC_PORT() macro from rtc-cmos
  m68k/amiga,atari: Fix specifying multiple debug= parameters
  m68k/defconfig: Use ext4 for ext2/ext3 file systems
  m68k: Add support to export bootinfo in procfs
  m68k: Add kexec support
  m68k/mac: Mark Mac IIsi ADB driver BROKEN
  m68k/amiga: Provide mach_random_get_entropy()
  m68k: Add infrastructure for machine-specific random_get_entropy()
  m68k/atari: Call paging_init() before nf_init()
  m68k: Remove superfluous inclusions of <asm/bootinfo.h>
  m68k/UAPI: Use proper types (endianness/size) in <asm/bootinfo*.h>
  ...
2014-01-20 09:24:31 -08:00
Nicholas Bellinger 49a47f2caf qla2xxx: Configure NPIV fc_vport via tcm_qla2xxx_npiv_make_lport
This patch changes qla2xxx qlt_lport_register() code to accept
target_lport_ptr + npiv_wwpn + npiv_wwnn parameters, and updates
tcm_qla2xxx to use the new tcm_qla2xxx_lport_register_npiv_cb()
callback for invoking fc_vport_create() from configfs context
via tcm_qla2xxx_npiv_make_lport() code.

In order for this to work, the qlt_lport_register() callback is
now called without holding qla_tgt_mutex, as the fc_vport creation
process will call qlt_vport_create() -> qlt_add_target(), which
already expects to acquire it.

It enforces /sys/kernel/config/target/qla2xxx_npiv/$NPIV_WWPN
naming in the following format:

     $PHYSICAL_WWPN@$NPIV_WWPN:$NPIV_WWNN

and assumes the $PHYSICAL_WWPN in question has already had been
configured for target mode in non NPIV mode.

Finally, it updates existing tcm_qla2xxx_lport_register_cb() logic
to setup the non NPIV assignments that have now been moved out of
qlt_lport_register() code.

Cc: Sawan Chandak <sawan.chandak@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-01-19 02:22:12 +00:00
Saurav Kashyap 0e8cd71cec qla2xxx: Enhancements to enable NPIV support for QLOGIC ISPs with TCM/LIO.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-01-19 02:22:10 +00:00
Nicholas Bellinger 2930d44159 qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure
This patch fixes a possible scsi_host reference leak in qlt_lport_register(),
when a non zero return from the passed (*callback) does not call drop the
local reference via scsi_host_put() before returning.

This currently does not effect existing tcm_qla2xxx code as the passed callback
will never fail, but fix this up regardless for future code.

Cc: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-01-19 02:22:09 +00:00
Asias He f466f75385 virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
vqs are freed in virtscsi_freeze but the hotcpu_notifier is not
unregistered. We will have a use-after-free usage when the notifier
callback is called after virtscsi_freeze.

Fixes: 285e71ea6f
("virtio-scsi: reset virtqueue affinity when doing cpu hotplug")

Cc: stable@vger.kernel.org
Signed-off-by: Asias He <asias.hejun@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-01-16 10:22:27 +10:30
Rafael J. Wysocki 64cdb4181d MPT / PCI: Use pci_stop_and_remove_bus_device_locked()
Race conditions are theoretically possible between the MPT PCI device
removal and the generic PCI bus rescan and device removal that can be
triggered via sysfs.

To avoid those race conditions make the MPT PCI code use
pci_stop_and_remove_bus_device_locked().

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-01-14 12:14:25 -07:00
Masanari Iida 8faaaead62 treewide: fix comments and printk msgs
This patch fixed several typo in printk from various
part of kernel source.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-01-07 15:06:07 +01:00
Jens Axboe b28bc9b38c Linux 3.13-rc6
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Merge tag 'v3.13-rc6' into for-3.14/core

Needed to bring blk-mq uptodate, since changes have been going in
since for-3.14/core was established.

Fixup merge issues related to the immutable biovec changes.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

Conflicts:
	block/blk-flush.c
	fs/btrfs/check-integrity.c
	fs/btrfs/extent_io.c
	fs/btrfs/scrub.c
	fs/logfs/dev_bdev.c
2013-12-31 09:51:02 -07:00
Yinghai Lu fc2798502f PCI: Convert pcibios_resource_to_bus() to take a pci_bus, not a pci_dev
These interfaces:

  pcibios_resource_to_bus(struct pci_dev *dev, *bus_region, *resource)
  pcibios_bus_to_resource(struct pci_dev *dev, *resource, *bus_region)

took a pci_dev, but they really depend only on the pci_bus.  And we want to
use them in resource allocation paths where we have the bus but not a
device, so this patch converts them to take the pci_bus instead of the
pci_dev:

  pcibios_resource_to_bus(struct pci_bus *bus, *bus_region, *resource)
  pcibios_bus_to_resource(struct pci_bus *bus, *resource, *bus_region)

In fact, with standard PCI-PCI bridges, they only depend on the host
bridge, because that's the only place address translation occurs, but
we aren't going that far yet.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-12-21 10:06:10 -07:00
Matt Gates 3ce438df10 [SCSI] hpsa: allow SCSI mid layer to handle unit attention
We were clobbering the SCSI status and setting
cmd->result = DID_SOFT_ERROR << 16; to get a retry,
but better to let the mid layer handle the unit
attention.

Signed-off-by: Matt Gates <matthew.gates@hp.com>
Acked-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:30 -08:00
Stephen M. Cameron 0ddf1d7750 [SCSI] hpsa: do not require board "not ready" status after hard reset
Immediately following a hard board reset, There are some
mandatory delays during which we must not access the board
and during which we might miss the "not ready" status,
therefore it is a mistake to look for and expect to see
the "not ready" status.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:30 -08:00
Stephen M. Cameron 28e1344647 [SCSI] hpsa: enable unit attention reporting
This used to be the default, but at some point the firmware guys
changed the default and I failed to notice.  Now to get unit
attention notifications, you must twiddle a bit indicating you
want them.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:30 -08:00
Stephen M. Cameron 97a5e98c1b [SCSI] hpsa: rename scsi prefetch field
The field contains more bits than just the one
to indicate whether scsi prefetch should be turned on.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:29 -08:00
Stephen M. Cameron 8a98db7386 [SCSI] hpsa: use workqueue instead of kernel thread for lockup detection
Much simpler and avoids races starting/stopping the thread.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:29 -08:00
wenxiong@linux.vnet.ibm.com 95d8a25b52 [SCSI] ipr: increase dump size in ipr driver
To help debugging several new SAS controllers, increase the dump size in ipr
driver to 80MB.

Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:29 -08:00
Alan 603f202e9e [SCSI] mac_scsi: Fix crash on out of memory
Missing check on scsi_register

Signed-off-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:28 -08:00
Bodo Stroesser 769989a4a0 [SCSI] st: fix enlarge_buffer
This patch removes a bug in enlarge_buffer() that can make a
read or write fail under special conditions.

After changing TRY_DIRECT_IO to 0 and ST_MAX_SG to 32 in
st_options.h, a program that writes a first block of 128k and
than a second bigger block (e.g. 256k) fails. The second write
returns errno EOVERFLOW, as enlarge_buffer() checks the sg list
and detects that it already is full.
As enlarge_buffer uses different page allocation orders
depending on the size of the buffer needed, the check does not
make sense.

Signed-off-by: Bodo Stroesser <bstroesser@ts.fujitsu.com>
Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:28 -08:00
Meelis Roos 762a86a901 [SCSI] qla1280: Annotate timer on stack so object debug does not complain
Object Debug option in 3.13-rc1 resultsin  the following warning, cure
it by annotating the timer to be on stack. The timer is deleted in the
same function so stack seems OK.

ODEBUG: object is on stack, but not annotated
------------[ cut here ]------------
WARNING: CPU: 6 PID: 18 at lib/debugobjects.c:300 __debug_object_init+0x184/0x240()
Modules linked in:
CPU: 6 PID: 18 Comm: kworker/u4:1 Tainted: G        W    3.13.0-rc1 #16
Workqueue: events_unbound async_run_entry_fn
Call Trace:
[00000000004585cc] warn_slowpath_common+0x4c/0x80
[0000000000458614] warn_slowpath_null+0x14/0x40
[000000000063d524] __debug_object_init+0x184/0x240
[000000000063d5fc] debug_object_init+0x1c/0x40
[00000000004645ec] init_timer_key+0xc/0x60
[00000000006cca60] qla1280_mailbox_command+0xc0/0x2a0
[00000000006ccdd4] qla1280_set_target_parameters+0x194/0x220
[00000000006cd324] qla1280_slave_configure+0x384/0x3c0
[00000000006a5d48] scsi_add_lun+0x5c8/0x640
[00000000006a62b8] scsi_probe_and_add_lun+0x1b8/0x2e0
[00000000006a6c2c] __scsi_scan_target+0x8c/0x100
[00000000006a6cf4] scsi_scan_channel+0x54/0xa0
[00000000006a7008] scsi_scan_host_selected+0xc8/0x120
[00000000006a70e0] do_scsi_scan_host+0x80/0xa0
[00000000006a7164] do_scan_async+0x4/0x20
[00000000004817b8] async_run_entry_fn+0x58/0x120
---[ end trace 9a1420108ebfd590 ]---

Signed-off-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:28 -08:00
Vikas Chaudhary 8e5cf31b1c [SCSI] qla4xxx: Update driver version to 5.04.00-k3
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:27 -08:00
Adheer Chandravanshi ea507a2530 [SCSI] qla4xxx: Recreate chap data list during get chap operation
Recreate the chap data list during the get chap operation in
qla4xxx_get_chap_list().

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:27 -08:00
Adheer Chandravanshi fb734ee3ef [SCSI] qla4xxx: Add support for ISCSI_PARAM_LOCAL_IPADDR sysfs attr
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:27 -08:00
Adheer Chandravanshi ae56ff4084 [SCSI] libiscsi: Add local_ipaddr parameter in iscsi_conn struct
Add local_ipaddr param and support get/set operations on it.

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:26 -08:00
Adheer Chandravanshi 5af62f240b [SCSI] scsi_transport_iscsi: Export ISCSI_PARAM_LOCAL_IPADDR attr for iscsi_connection
This attribute specifies the local IP address used to establish connection.

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:26 -08:00
Lalit Chandivade 4161cee52d [SCSI] qla4xxx: Add host statistics support
The statistics include MAC, TCP/IP & iSCSI statistics.

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:26 -08:00
Lalit Chandivade 6fa7c55438 [SCSI] scsi_transport_iscsi: Add host statistics support
Add transport_iscsi hooks to get aggregate host statistics.
The statistics include MAC, TCP/IP & iSCSI statistics.

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:25 -08:00
Vikas Chaudhary df86f77157 [SCSI] qla4xxx: Added support for Diagnostics MBOX command
Added support for Diagnostics MBOX command via BSG Vendor HST_VENDOR
interface.  This command provides various tests for validating hardware
functionality.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 20:56:25 -08:00
Nicholas Bellinger dcd211997d qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure
This patch fixes a possible scsi_host reference leak in qlt_lport_register(),
when a non zero return from the passed (*callback) does not call drop the
local reference via scsi_host_put() before returning.

This currently does not effect existing tcm_qla2xxx code as the passed callback
will never fail, but fix this up regardless for future code.

Cc: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-12-19 14:50:17 -08:00
Vijaya Mohan Guvva 2da11ad218 [SCSI] bfa: Driver version upgrade to 3.2.23.0
Patch includes changes to upgrade bfa driver version to 3.2.23.0 and use
firmware version 3.2.3.0

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:06 -08:00
Vijaya Mohan Guvva 1e917c6207 [SCSI] bfa: change FC_ELS_TOV to 20sec
As per the FCP specs, the timeout for issuing ABTS is 20 sec; not 21
sec. Hence setting the TOV to 20 sec.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:05 -08:00
Vijaya Mohan Guvva 2ec331aa52 [SCSI] bfa: Observed auto D-port mode instead of manual
Observed Auto mode in the HBA side while doing manual D-Port test on the
switch side. Mode is not passed to BFA from firmware when the test is
triggered by switch side. BFA just blindly using Auto mode.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:05 -08:00
Vijaya Mohan Guvva 7593e52425 [SCSI] bfa: Fix for bcu or hcm faa query hang
This patch set fixes the issue of brocade management utility hang
(bcu/HCM) when faa attributes are queried from multiple application
threads. Hang was due to race between the threads and completion handler
corruption.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:05 -08:00
Vijaya Mohan Guvva 9781851f47 [SCSI] bfa: LUN discovery issue in direct attach mode
In direct attach mode, if port features like QoS/Trunk/FEC/CR are
enabled, driver can receive PLOGI from the target before firmware
notifies lport online to the driver. In case the lport is not yet online
and a PLOGI is received, send a reject to the peer port, instead of
dropping it on the floor.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:05 -08:00
Vijaya Mohan Guvva da3e0bee18 [SCSI] bfa: Register port with SCSI even on port init failure
This patch addresses the issue of port not being registered with SCSI
layer on bfa or firmware initialization failure and subsequently failure
in collecting driver traces for debugging port init failures. Also it
has minor changes related to bfad state machine clean up.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:05 -08:00
Vijaya Mohan Guvva 28d358d01e [SCSI] bfa: Firmware patch simplification
This patch includes change to enable firmware patch simplication
feature. This feature is targeted to address the requirement to have
independent patch release for firmware. Prior to 3.2.3, releasing a
patch fix for firmware requires changes to bfa, to use new firmware
images. But with these changes, if the new firmware is flashed on to the
HBA with brocade adapter management utilites, driver uses the new
firmware after checking the patch release byte in the firmware version.

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:04 -08:00
Geyslan G. Bem 0e7c60cb8c [SCSI] be2iscsi: fix memory leak in error path
There are two memory leaks in cases 'ISCSI_NET_PARAM_VLAN_ID' and
'ISCSI_NET_PARAM_VLAN_PRIORITY' and also a potential junk pointer free if
mgmt_get_if_info() returns error because if_info will be unset and it is stack
allocated.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Cc: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:04 -08:00
wenxiong@linux.vnet.ibm.com 6634ff7ca2 [SCSI] ipr: Increase msi-x interrupt vectors to 16
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:04 -08:00
Mike Miller d5747e0aa0 [SCSI] hpsa: remove P822se PCI ID
Remove PCI ID for the never shipped P822se.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:04 -08:00
Saurav Kashyap c41afc9a75 [SCSI] qla2xxx: Fix warning reported by smatch.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:03 -08:00
Geert Uytterhoeven ef80d1e18b [SCSI] sd: Do not call do_div() with a 64-bit divisor
do_div() is meant for divisions of 64-bit number by 32-bit numbers.
Passing 64-bit divisor types caused issues in the past on 32-bit platforms,
cfr. commit ea077b1b96 ("m68k: Truncate base
in do_div()").

As scsi_device.sector_size is unsigned (int), factor should be unsigned
int, too.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-19 07:39:03 -08:00