https://bugs.gentoo.org/729224
https://github.com/net-snmp/net-snmp/commit/5a18e300bd085c6ba5967d7b00cc3f57fe83f665

From 5a18e300bd085c6ba5967d7b00cc3f57fe83f665 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 8 Oct 2020 20:12:44 -0700
Subject: [PATCH] HOST-RESOURCES-MIB: Add support for f2fs

See also https://github.com/net-snmp/net-snmp/issues/111 .
---
 agent/mibgroup/hardware/fsys/fsys_mntent.c | 1 +
 agent/mibgroup/hardware/fsys/mnttypes.h    | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/agent/mibgroup/hardware/fsys/fsys_mntent.c b/agent/mibgroup/hardware/fsys/fsys_mntent.c
index abdc63ed6..75e2782f7 100644
--- a/agent/mibgroup/hardware/fsys/fsys_mntent.c
+++ b/agent/mibgroup/hardware/fsys/fsys_mntent.c
@@ -146,6 +146,7 @@ _fsys_type( char *typename )
               !strcmp(typename, MNTTYPE_CVFS) ||
               !strcmp(typename, MNTTYPE_SIMFS) ||
               !strcmp(typename, MNTTYPE_BTRFS) ||
+              !strcmp(typename, MNTTYPE_F2FS) ||
               !strcmp(typename, MNTTYPE_ZFS) ||
               !strcmp(typename, MNTTYPE_NVMFS) ||
               !strcmp(typename, MNTTYPE_ACFS) ||
diff --git a/agent/mibgroup/hardware/fsys/mnttypes.h b/agent/mibgroup/hardware/fsys/mnttypes.h
index cda42420d..3540cf31b 100644
--- a/agent/mibgroup/hardware/fsys/mnttypes.h
+++ b/agent/mibgroup/hardware/fsys/mnttypes.h
@@ -154,6 +154,9 @@
 #ifndef MNTTYPE_BTRFS
 #define MNTTYPE_BTRFS     "btrfs"
 #endif
+#ifndef MNTTYPE_F2FS
+#define MNTTYPE_F2FS      "f2fs"
+#endif
 #ifndef MNTTYPE_ZFS
 #define MNTTYPE_ZFS       "zfs"
 #endif