[XFS] Add ATTR_NOLOCK for xfs_setattr to indicate that XFS_IOLOCK is held

SGI Modid: xfs-linux:xfs-kern:190711a

Signed-off-by: Dean Roehrich <roehrich@sgi.com>
Signed-off-by: Christoph Hellwig <hch@sgi.com>
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2 files changed