NFSv4/pnfs: Fix barriers in nfs4_mark_deviceid_unavailable() (39a5201a) · Commits · 戴 / test

fs/nfs/pnfs_dev.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -287,7 +287,9 @@ void
		nfs4_mark_deviceid_unavailable(struct nfs4_deviceid_node *node)
		{
		node->timestamp_unavailable = jiffies;
		smp_mb__before_atomic();
		set_bit(NFS_DEVICEID_UNAVAILABLE, &node->flags);
		smp_mb__after_atomic();
		}
		EXPORT_SYMBOL_GPL(nfs4_mark_deviceid_unavailable);

		@@ -302,6 +304,7 @@ nfs4_test_deviceid_unavailable(struct nfs4_deviceid_node *node)
		if (time_in_range(node->timestamp_unavailable, start, end))
		return true;
		clear_bit(NFS_DEVICEID_UNAVAILABLE, &node->flags);
		smp_mb__after_atomic();
		}
		return false;
		}