[XFS updates] XFS development tree branch, master, updated. v3.4-rc2-3-g8a00ebe

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  8a00ebe xfs: Ensure inode reclaim can run during quotacheck
  da5bf95 xfs: don't fill statvfs with project quota for a directory if it was not enabled.
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- Log -----------------------------------------------------------------
commit 8a00ebe4cfc90eda9ecb575ba97e22021cd8cf70
Author: Dave Chinner <david at fromorbit.com>
Date:   Fri Apr 13 12:10:44 2012 +0000

    xfs: Ensure inode reclaim can run during quotacheck
    
    Because the mount process can run a quotacheck and consume lots of
    inodes, we need to be able to run periodic inode reclaim during the
    mount process. This will prevent running the system out of memory
    during quota checks.
    
    This essentially reverts 2bcf6e97, but that is safe to do now that
    the quota sync code that was causing problems during long quotacheck
    executions is now gone.
    
    The reclaim work is currently protected from running during the
    unmount process by a check against MS_ACTIVE. Unfortunately, this
    also means that the reclaim work cannot run during mount.  The
    unmount process should stop the reclaim cleanly before freeing
    anything that the reclaim work depends on, so there is no need to
    have this guard in place.
    
    Also, the inode reclaim work is demand driven, so there is no need
    to start it immediately during mount. It will be started the moment
    an inode is queued for reclaim, so qutoacheck will trigger it just
    fine.
    
    Signed-off-by: Dave Chinner <dchinner at redhat.com>
    Reviewed-by: Mark Tinguely <tinguely at sgi.com>
    Signed-off-by: Ben Myers <bpm at sgi.com>

commit da5bf95e3cdca348327c82568c2860229c0daaa2
Author: Jie Liu <jeff.liu at oracle.com>
Date:   Thu Apr 12 03:59:57 2012 +0000

    xfs: don't fill statvfs with project quota for a directory if it was not enabled.
    
    Check if the project quota is running or not before performing
    xfs_qm_statvfs(), just return if not.  Otherwise the ASSERT
    XFS_IS_QUOTA_RUNNING in xfs_qm_dqget will be popped.
    
    Signed-off-by: Jie Liu <jeff.liu at oracle.com>
    Signed-off-by: Ben Myers <bpm at sgi.com>

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

Summary of changes:
 fs/xfs/xfs_super.c |   23 +++++++++++------------
 fs/xfs/xfs_sync.c  |   19 +++++++++----------
 2 files changed, 20 insertions(+), 22 deletions(-)


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