xfs: remove the no-op spinlock_destroy stub

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_linux.h

@@ -110,8 +110,6 @@ typedef __u32			xfs_nlink_t;
 #define current_restore_flags_nested(sp, f)	\
 		(current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))
 
-#define spinlock_destroy(lock)
-
 #define NBBY		8		/* number of bits per byte */
 
 /*

fs/xfs/xfs_log.c

@@ -1580,7 +1580,6 @@ xlog_alloc_log(
 			xfs_buf_free(iclog->ic_bp);
 		kmem_free(iclog);
 	}
-	spinlock_destroy(&log->l_icloglock);
 	xfs_buf_free(log->l_xbuf);
 out_free_log:
 	kmem_free(log);
@@ -2027,7 +2026,6 @@ xlog_dealloc_log(
 		kmem_free(iclog);
 		iclog = next_iclog;
 	}
-	spinlock_destroy(&log->l_icloglock);
 
 	log->l_mp->m_log = NULL;
 	kmem_free(log);