Introduce a new __xfs_rwsem_islocked predicate to encapsulate checking
the state of a rw_semaphore, then refactor xfs_isilocked to use it.
Signed-off-by: NPavel Reichl <preichl@redhat.com>
Suggested-by: NDave Chinner <dchinner@redhat.com>
Suggested-by: NEric Sandeen <sandeen@redhat.com>
Suggested-by: NDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NDarrick J. Wong <djwong@kernel.org>
Signed-off-by: NJan Kara <jack@suse.cz>