diff --git a/man2/fallocate.2 b/man2/fallocate.2
index 0464cd5cd..0a2d4d725 100644
--- a/man2/fallocate.2
+++ b/man2/fallocate.2
@@ -272,9 +272,14 @@ in conjunction with
 .BR FALLOC_FL_INSERT_RANGE .
 
 .B FALLOC_FL_INSERT_RANGE
-requires filesystem support, which is currently provided only by
-XFS (since Linux 4.1).
+requires filesystem support.
+Filesystems that support this operation include
+XFS (since Linux 4.1)
 .\" commit a904b1ca5751faf5ece8600e18cd3b674afcca1b
+and ext4 (since Linux 4.2).
+.\" commit 331573febb6a224bc50322e3670da326cb7f4cfc
+.\" f2fs also has support since Linux 4.2
+.\"     commit f62185d0e283e9d311e3ac1020f159d95f0aab39
 .SH RETURN VALUE
 On success,
 .BR fallocate ()