diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 391a938d690c..80da0cf87d7a 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -156,7 +156,6 @@ xlog_cil_insert_pcp_aggregate(
 	struct xfs_cil		*cil,
 	struct xfs_cil_ctx	*ctx)
 {
-	struct xlog_cil_pcp	*cilpcp;
 	int			cpu;
 	int			count = 0;
 
@@ -171,13 +170,11 @@ xlog_cil_insert_pcp_aggregate(
 	 * structures that could have a nonzero space_used.
 	 */
 	for_each_cpu(cpu, &ctx->cil_pcpmask) {
-		int	old, prev;
+		struct xlog_cil_pcp	*cilpcp = per_cpu_ptr(cil->xc_pcp, cpu);
+		int			old = READ_ONCE(cilpcp->space_used);
 
-		cilpcp = per_cpu_ptr(cil->xc_pcp, cpu);
-		do {
-			old = cilpcp->space_used;
-			prev = cmpxchg(&cilpcp->space_used, old, 0);
-		} while (old != prev);
+		while (!try_cmpxchg(&cilpcp->space_used, &old, 0))
+			;
 		count += old;
 	}
 	atomic_add(count, &ctx->space_used);