[XFS updates] XFS development tree branch, xfs-renameat-extensions, created. v3.19-rc1-2-gd31a182

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The branch, xfs-renameat-extensions has been created
        at  d31a1825450062b85282b4afed1c840fd306d012 (commit)

- Log -----------------------------------------------------------------
commit d31a1825450062b85282b4afed1c840fd306d012
Author: Carlos Maiolino <cmaiolino at redhat.com>
Date:   Wed Dec 24 08:51:42 2014 +1100

    xfs: Add support to RENAME_EXCHANGE flag
    
    Adds a new function named xfs_cross_rename(), responsible for
    handling requests from sys_renameat2() using RENAME_EXCHANGE flag.
    
    Signed-off-by: Carlos Maiolino <cmaiolino at redhat.com>
    Reviewed-by: Brian Foster <bfoster at redhat.com>
    Reviewed-by: Dave Chinner <dchinner at redhat.com>
    Signed-off-by: Dave Chinner <david at fromorbit.com>

commit dbe1b5ca26396b6c61d711c8ac4de13ebb02e9f6
Author: Carlos Maiolino <cmaiolino at redhat.com>
Date:   Wed Dec 24 08:51:38 2014 +1100

    xfs: Make xfs_vn_rename compliant with renameat2() syscall
    
    To be able to support RENAME_EXCHANGE flag from renameat2() system
    call, XFS must have its inode_operations updated, exporting .rename2
    method, instead of .rename.
    
    This patch just replaces the (now old) .rename method by .rename2,
    using the same infra-structure, but checking rename flags.  Calls to
    .rename2 using RENAME_EXCHANGE flag, although now handled inside
    XFS, still return -EINVAL.
    
    RENAME_NOREPLACE is handled via VFS and we don't need to care about
    it inside xfs_vn_rename.
    
    Signed-off-by: Carlos Maiolino <cmaiolino at redhat.com>
    Reviewed-by: Brian Foster <bfoster at redhat.com>
    Signed-off-by: Dave Chinner <david at fromorbit.com>

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