06 Apr, 2010

13 commits

  • * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
    [SCSI] qla1280: retain firmware for error recovery
    [SCSI] attirbute_container: Initialize sysfs attributes with sysfs_attr_init
    [SCSI] advansys: fix regression with request_firmware change
    [SCSI] qla2xxx: Updated version number to 8.03.02-k2.
    [SCSI] qla2xxx: Prevent sending mbx commands from sysfs during isp reset.
    [SCSI] qla2xxx: Disable MSI on qla24xx chips other than QLA2432.
    [SCSI] qla2xxx: Check to make sure multique and CPU affinity support is not enabled at the same time.
    [SCSI] qla2xxx: Correct vp_idx checking during PORT_UPDATE processing.
    [SCSI] qla2xxx: Honour "Extended BB credits" bit for CNAs.
    [SCSI] scsi_transport_fc: Make sure commands are completed when rport is offline
    [SCSI] libiscsi: Fix recovery slowdown regression

    Linus Torvalds
     
  • * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
    9p: saving negative to unsigned char
    9p: return on mutex_lock_interruptible()
    9p: Creating files with names too long should fail with ENAMETOOLONG.
    9p: Make sure we are able to clunk the cached fid on umount
    9p: drop nlink remove
    fs/9p: Clunk the fid resulting from partial walk of the name
    9p: documentation update
    9p: Fix setting of protocol flags in v9fs_session_info structure.

    Linus Torvalds
     
  • * git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
    Btrfs: add check for changed leaves in setup_leaf_for_split
    Btrfs: create snapshot references in same commit as snapshot
    Btrfs: fix small race with delalloc flushing waitqueue's
    Btrfs: use add_to_page_cache_lru, use __page_cache_alloc
    Btrfs: fix chunk allocate size calculation
    Btrfs: kill max_extent mount option
    Btrfs: fail to mount if we have problems reading the block groups
    Btrfs: check btrfs_get_extent return for IS_ERR()
    Btrfs: handle kmalloc() failure in inode lookup ioctl
    Btrfs: dereferencing freed memory
    Btrfs: Simplify num_stripes's calculation logical for __btrfs_alloc_chunk()
    Btrfs: Add error handle for btrfs_search_slot() in btrfs_read_chunk_tree()
    Btrfs: Remove unnecessary finish_wait() in wait_current_trans()
    Btrfs: add NULL check for do_walk_down()
    Btrfs: remove duplicate include in ioctl.c

    Fix trivial conflict in fs/btrfs/compression.c due to slab.h include
    cleanups.

    Linus Torvalds
     
  • There have been a number of reports of people seeing the message:
    "name_count maxed, losing inode data: dev=00:05, inode=3185"
    in dmesg. These usually lead to people reporting problems to the filesystem
    group who are in turn clueless what they mean.

    Eventually someone finds me and I explain what is going on and that
    these come from the audit system. The basics of the problem is that the
    audit subsystem never expects a single syscall to 'interact' (for some
    wish washy meaning of interact) with more than 20 inodes. But in fact
    some operations like loading kernel modules can cause changes to lots of
    inodes in debugfs.

    There are a couple real fixes being bandied about including removing the
    fixed compile time limit of 20 or not auditing changes in debugfs (or
    both) but neither are small and obvious so I am not sending them for
    immediate inclusion (I hope Al forwards a real solution next devel
    window).

    In the meantime this patch simply adds 'audit' to the beginning of the
    crap message so if a user sees it, they come blame me first and we can
    talk about what it means and make sure we understand all of the reasons
    it can happen and make sure this gets solved correctly in the long run.

    Signed-off-by: Eric Paris
    Signed-off-by: Linus Torvalds

    Eric Paris
     
  • Saving -EINVAL as unsigned char truncates the high bits and changes it
    into 234 instead of -22. This breaks the test for "if (ret == -EINVAL)"
    in parse_opts().

    Signed-off-by: Dan Carpenter
    Signed-off-by: Eric Van Hensbergen

    Dan Carpenter
     
  • If "err" is -EINTR here the original code calls mutex_unlock() and then
    returns, but it should just return directly.

    Signed-off-by: Dan Carpenter
    Signed-off-by: Eric Van Hensbergen

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    Dan Carpenter
     
  • setup_leaf_for_split needs to drop the path and search again, and has
    checks to see if the item we want to split changed size. But, it misses
    the case where the leaf changed and now has enough room for the item
    we want to insert.

    This adds an extra check to make sure the leaf really needs splitting
    before we call btrfs_split_leaf(), which keeps us from trying to split
    a leaf with a single item.

    btrfs_split_leaf() will blindly split the single item leaf, leaving us
    with one good leaf and one empty leaf and then a crash.

    Signed-off-by: Chris Mason

    Chris Mason
     
  • This creates the reference to a new snapshot in the same commit as the
    snapshot itself. This avoids the need for a second commit in order for a
    snapshot to be persistent, and also avoids the problem of "leaking" a
    new snapshot tree root if the host crashes before the second commit takes
    place.

    It is not at all clear to me why it wasn't always done this way. If there
    is still a reason for the two-stage {create,finish}_pending_snapshots()
    approach I'm missing something! :)

    I've been running this for a couple weeks under pretty heavy usage (a few
    snapshots per minute) without obvious problems.

    Signed-off-by: Sage Weil
    Signed-off-by: Chris Mason

    Sage Weil
     
  • Everytime we start a new flushing thread, we init the waitqueue if there isn't a
    flushing thread running. The problem with this is we check
    space_info->flushing, which we clear right before doing a wake_up on the
    flushing waitqueue, which causes problems if we init the waitqueue in the middle
    of clearing the flushing flagh and calling wake_up. This is hard to hit, but
    the code is wrong anyway, so init the flushing/allocating waitqueue when
    creating the space info and let it be. I haven't seen the panic since I've been
    using this patch. Thanks,

    Signed-off-by: Josef Bacik
    Signed-off-by: Chris Mason

    Josef Bacik
     
  • Pagecache pages should be allocated with __page_cache_alloc, so they
    obey pagecache memory policies.

    add_to_page_cache_lru is exported, so it should be used. Benefits over
    using a private pagevec: neater code, 128 bytes fewer stack used, percpu
    lru ordering is preserved, and finally don't need to flush pagevec
    before returning so batching may be shared with other LRU insertions.

    Signed-off-by: Nick Piggin :
    Signed-off-by: Chris Mason

    Nick Piggin
     
  • * 'slabh' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc:
    eeepc-wmi: include slab.h
    staging/otus: include slab.h from usbdrv.h
    percpu: don't implicitly include slab.h from percpu.h
    kmemcheck: Fix build errors due to missing slab.h
    include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
    iwlwifi: don't include iwl-dev.h from iwl-devtrace.h
    x86: don't include slab.h from arch/x86/include/asm/pgtable_32.h

    Fix up trivial conflicts in include/linux/percpu.h due to
    is_kernel_percpu_address() having been introduced since the slab.h
    cleanup with the percpu_up.c splitup.

    Linus Torvalds
     
  • * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
    module: add stub for is_module_percpu_address
    percpu, module: implement and use is_kernel/module_percpu_address()
    module: encapsulate percpu handling better and record percpu_size

    Linus Torvalds
     
  • Fix a memory leak in anon_vma_fork(), where we fail to tear down the
    anon_vmas attached to the new VMA in case setting up the new anon_vma
    fails.

    This bug also has the potential to leave behind anon_vma_chain structs
    with pointers to invalid memory.

    Reported-by: Minchan Kim
    Signed-off-by: Rik van Riel
    Signed-off-by: Linus Torvalds

    Rik van Riel
     

05 Apr, 2010

14 commits


04 Apr, 2010

5 commits


03 Apr, 2010

8 commits

  • Now that software events use perf_arch_fetch_caller_regs() too, we
    need the powerpc version to be always built.

    Fixes the following build error:

    (.text+0x3210): undefined reference to `perf_arch_fetch_caller_regs'
    (.text+0x3324): undefined reference to `perf_arch_fetch_caller_regs'
    (.text+0x33bc): undefined reference to `perf_arch_fetch_caller_regs'
    (.text+0x33ec): undefined reference to `perf_arch_fetch_caller_regs'
    (.text+0xd4a0): undefined reference to `perf_arch_fetch_caller_regs'
    arch/powerpc/kernel/built-in.o:(.text+0xd528): more undefined references to `perf_arch_fetch_caller_regs' follow
    make[1]: *** [.tmp_vmlinux1] Error 1
    make: *** [sub-make] Error 2

    Reported-by: Michael Ellerman
    Reported-by: Ingo Molnar
    Signed-off-by: Frederic Weisbecker
    Cc: Peter Zijlstra
    Cc: Arnaldo Carvalho de Melo
    Cc: Paul Mackerras

    Frederic Weisbecker
     
  • Now that software events use perf_arch_fetch_caller_regs() too, we
    need the stub version to be always built in for archs that don't
    implement it.

    Fixes the following build error in PARISC:

    kernel/built-in.o: In function `perf_event_task_sched_out':
    (.text.perf_event_task_sched_out+0x54): undefined reference to `perf_arch_fetch_caller_regs'

    Reported-by: Ingo Molnar
    Signed-off-by: Frederic Weisbecker
    Cc: Peter Zijlstra
    Cc: Arnaldo Carvalho de Melo
    Cc: Paul Mackerras

    Frederic Weisbecker
     
  • * master.kernel.org:/home/rmk/linux-2.6-arm:
    ARM: 5965/1: Fix soft lockup in at91 udc driver
    ARM: 6006/1: ARM: Use the correct NOP size in memmove for Thumb-2 kernel builds
    ARM: 6005/1: arm: kprobes: fix register corruption with jprobes
    ARM: 6003/1: removing compilation warning from pl061.h
    ARM: 6001/1: removing compilation warning comming from clkdev.h
    ARM: 6000/1: removing compilation warning comming from
    ARM: 5999/1: Including device.h and resource.h header files in linux/amba/bus.h
    ARM: 5997/1: ARM: Correct the VFPv3 detection
    ARM: 5996/1: ARM: Change the mandatory barriers implementation (4/4)
    ARM: 5995/1: ARM: Add L2x0 outer_sync() support (3/4)
    ARM: 5994/1: ARM: Add outer_cache_fns.sync function pointer (2/4)
    ARM: 5993/1: ARM: Move the outer_cache definitions into a separate file (1/4)

    Linus Torvalds
     
  • * 'merge' of git://git.secretlab.ca/git/linux-2.6:
    powerpc/5200: in lpbfifo, flag DMA irqs as enabled after requesting them
    powerpc/fsl: add device tree binding for QE firmware
    of/flattree: Fix unhandled OF_DT_NOP tag when unflattening the device tree

    Linus Torvalds
     
  • …t/frederic/random-tracing

    * 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
    reiserfs: Fix locking BUG during mount failure

    Linus Torvalds
     
  • The missing initialization of the nb_cntl.strap_msi_enable does not
    seem to be the only problem that prevents MSI, so that quirk is not
    sufficient to enable MSI on all machines. To be safe, disable MSI
    unconditionally for the internal graphics and HDMI audio on these
    chipsets.

    [rjw: Added the PCI_VENDOR_ID_AI quirk.]

    Signed-off-by: Clemens Ladisch
    Signed-off-by: Rafael J. Wysocki
    Signed-off-by: Linus Torvalds

    Clemens Ladisch
     
  • * 'kgdb-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
    kgdb: Turn off tracing while in the debugger
    kgdb: use atomic_inc and atomic_dec instead of atomic_set
    kgdb: eliminate kgdb_wait(), all cpus enter the same way
    kgdbts,sh: Add in breakpoint pc offset for superh
    kgdb: have ebin2mem call probe_kernel_write once

    Linus Torvalds
     
  • * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
    Freezer: Fix buggy resume test for tasks frozen with cgroup freezer
    Freezer: Only show the state of tasks refusing to freeze

    Linus Torvalds