[XFS updates] XFS development tree branch, master, updated. v3.6-rc1-4-g643bfc0

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The branch, master has been updated
  643bfc0 xfs: check for possible overflow in xfs_ioc_trim
  c498211 xfs: unlock the AGI buffer when looping in xfs_dialloc
  1ed845d xfs: kill struct declarations in xfs_mount.h
  a76cccb xfs: fix uninitialised variable in xfs_rtbuf_get()
      from  0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (commit)

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- Log -----------------------------------------------------------------
commit 643bfc061c47e9c7661324a09fb0a0bc6601e5d6
Author: Tomas Racek <tracek at redhat.com>
Date:   Tue Aug 14 10:35:04 2012 +0200

    xfs: check for possible overflow in xfs_ioc_trim
    
    If range.start or range.minlen is bigger than filesystem size, return
    invalid value error. This fixes possible overflow in BTOBB macro when
    passed value was nearly ULLONG_MAX.
    
    Signed-off-by: Tomas Racek <tracek at redhat.com>
    Reviewed-by: Dave Chinner <dchinner at redhat.com>
    Signed-off-by: Ben Myers <bpm at sgi.com>

commit c4982110ae93d7575503feb81d15e93c0c5f393c
Author: Christoph Hellwig <hch at infradead.org>
Date:   Tue Aug 7 02:02:02 2012 -0400

    xfs: unlock the AGI buffer when looping in xfs_dialloc
    
    Also update some commens in the area to make the code easier to read.
    
    Signed-off-by: Christoph Hellwig <hch at lst.de>
    Reviewed-by: Mark Tinguely <tinguely at sgi.com>
    Reviewed-by: Dave Chinner <dchinner at redhat.com>
    Signed-off-by: Ben Myers <bpm at sgi.com>

commit 1ed845df60f3f02d4b7cd9fcad79ccb69c289f5c
Author: Alex Elder <elder at inktank.com>
Date:   Wed Aug 1 09:56:49 2012 -0500

    xfs: kill struct declarations in xfs_mount.h
    
    I noticed that "struct xfs_mount_args" was still declared in
    "fs/xfs/xfs_mount.h".  That struct doesn't even exist any more (and
    is obviously not referenced elsewhere in that header file).  While
    in there, delete four other unneeded struct declarations in that
    file.
    
    Doing so highlights that "fs/xfs/xfs_trace.h" was relying indirectly
    on "xfs_mount.h" to be #included in order to declare "struct
    xfs_bmbt_irec", so add that declaration to resolve that issue.
    
    Signed-off-by: Alex Elder <elder at inktank.com>
    Signed-off-by: Ben Myers <bpm at sgi.com>

commit a76cccbeef9e91b5f799e8853acac1ed1fc833cb
Author: Dave Chinner <dchinner at redhat.com>
Date:   Tue Jul 31 14:55:51 2012 +1000

    xfs: fix uninitialised variable in xfs_rtbuf_get()
    
    Results in this assert failure in generic/090:
    
    XFS: Assertion failed: *nmap >= 1, file: fs/xfs/xfs_bmap.c, line: 4363
    .....
    Call Trace:
     [<ffffffff814680db>] xfs_bmapi_read+0x6b/0x370
     [<ffffffff814b64b2>] xfs_rtbuf_get+0x42/0x130
     [<ffffffff814b6f09>] xfs_rtget_summary+0x89/0x120
     [<ffffffff814b7bfe>] xfs_rtallocate_extent_size+0xce/0x340
     [<ffffffff814b89f0>] xfs_rtallocate_extent+0x240/0x290
     [<ffffffff81462c1a>] xfs_bmap_rtalloc+0x1ba/0x340
     [<ffffffff81463a65>] xfs_bmap_alloc+0x35/0x40
     [<ffffffff8146f111>] xfs_bmapi_allocate+0xf1/0x350
     [<ffffffff8146f9de>] xfs_bmapi_write+0x66e/0xa60
     [<ffffffff8144538a>] xfs_iomap_write_direct+0x22a/0x3f0
     [<ffffffff8143707b>] __xfs_get_blocks+0x38b/0x5d0
     [<ffffffff814372d4>] xfs_get_blocks_direct+0x14/0x20
     [<ffffffff811b0081>] do_blockdev_direct_IO+0xf71/0x1eb0
     [<ffffffff811b1015>] __blockdev_direct_IO+0x55/0x60
     [<ffffffff814355ca>] xfs_vm_direct_IO+0x11a/0x1e0
     [<ffffffff8112d617>] generic_file_direct_write+0xd7/0x1b0
     [<ffffffff8143e16c>] xfs_file_dio_aio_write+0x13c/0x320
     [<ffffffff8143e6f2>] xfs_file_aio_write+0x1c2/0x1d0
     [<ffffffff81174a07>] do_sync_write+0xa7/0xe0
     [<ffffffff81175288>] vfs_write+0xa8/0x160
     [<ffffffff81175702>] sys_pwrite64+0x92/0xb0
     [<ffffffff81b68f69>] system_call_fastpath+0x16/0x1b
    
    Signed-off-by: Dave Chinner <dchinner at redhat.com>
    Signed-off-by: Ben Myers <bpm at sgi.com>

-----------------------------------------------------------------------

Summary of changes:
 fs/xfs/xfs_discard.c |    6 ++++--
 fs/xfs/xfs_ialloc.c  |   17 +++++++++--------
 fs/xfs/xfs_mount.h   |    5 -----
 fs/xfs/xfs_rtalloc.c |    2 +-
 fs/xfs/xfs_trace.h   |    1 +
 5 files changed, 15 insertions(+), 16 deletions(-)


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