diff --git a/Documentation/ABI/testing/ima_policy b/Documentation/ABI/testing/ima_policy
index 5d548dd2c6e7..d4b3696a9efb 100644
--- a/Documentation/ABI/testing/ima_policy
+++ b/Documentation/ABI/testing/ima_policy
@@ -23,6 +23,7 @@ Description:
 			  audit | dont_audit | hash | dont_hash
 		  condition:= base | lsm  [option]
 			base:	[[func=] [mask=] [fsmagic=] [fsuuid=] [fsname=]
+				[fs_subtype=]
 				[uid=] [euid=] [gid=] [egid=]
 				[fowner=] [fgroup=]]
 			lsm:	[[subj_user=] [subj_role=] [subj_type=]
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index c5bad3a0c43a..164d62832f8e 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -38,6 +38,7 @@
 #define IMA_GID		0x2000
 #define IMA_EGID	0x4000
 #define IMA_FGROUP	0x8000
+#define IMA_FS_SUBTYPE	0x10000
 
 #define UNKNOWN		0
 #define MEASURE		0x0001	/* same as IMA_MEASURE */
@@ -120,6 +121,7 @@ struct ima_rule_entry {
 		int type;	/* audit type */
 	} lsm[MAX_LSM_RULES];
 	char *fsname;
+	char *fs_subtype;
 	struct ima_rule_opt_list *keyrings; /* Measure keys added to these keyrings */
 	struct ima_rule_opt_list *label; /* Measure data grouped under this label */
 	struct ima_template_desc *template;
@@ -398,6 +400,7 @@ static void ima_free_rule(struct ima_rule_entry *entry)
 	 * the defined_templates list and cannot be freed here
 	 */
 	kfree(entry->fsname);
+	kfree(entry->fs_subtype);
 	ima_free_rule_opt_list(entry->keyrings);
 	ima_lsm_free_rule(entry);
 	kfree(entry);
@@ -602,6 +605,12 @@ static bool ima_match_rules(struct ima_rule_entry *rule,
 	if ((rule->flags & IMA_FSNAME)
 	    && strcmp(rule->fsname, inode->i_sb->s_type->name))
 		return false;
+	if (rule->flags & IMA_FS_SUBTYPE) {
+		if (!inode->i_sb->s_subtype)
+			return false;
+		if (strcmp(rule->fs_subtype, inode->i_sb->s_subtype))
+			return false;
+	}
 	if ((rule->flags & IMA_FSUUID) &&
 	    !uuid_equal(&rule->fsuuid, &inode->i_sb->s_uuid))
 		return false;
@@ -1068,7 +1077,7 @@ enum policy_opt {
 	Opt_audit, Opt_dont_audit, Opt_hash, Opt_dont_hash,
 	Opt_obj_user, Opt_obj_role, Opt_obj_type,
 	Opt_subj_user, Opt_subj_role, Opt_subj_type,
-	Opt_func, Opt_mask, Opt_fsmagic, Opt_fsname, Opt_fsuuid,
+	Opt_func, Opt_mask, Opt_fsmagic, Opt_fsname, Opt_fs_subtype, Opt_fsuuid,
 	Opt_uid_eq, Opt_euid_eq, Opt_gid_eq, Opt_egid_eq,
 	Opt_fowner_eq, Opt_fgroup_eq,
 	Opt_uid_gt, Opt_euid_gt, Opt_gid_gt, Opt_egid_gt,
@@ -1100,6 +1109,7 @@ static const match_table_t policy_tokens = {
 	{Opt_mask, "mask=%s"},
 	{Opt_fsmagic, "fsmagic=%s"},
 	{Opt_fsname, "fsname=%s"},
+	{Opt_fs_subtype, "fs_subtype=%s"},
 	{Opt_fsuuid, "fsuuid=%s"},
 	{Opt_uid_eq, "uid=%s"},
 	{Opt_euid_eq, "euid=%s"},
@@ -1284,7 +1294,8 @@ static bool ima_validate_rule(struct ima_rule_entry *entry)
 		if (entry->flags & ~(IMA_FUNC | IMA_MASK | IMA_FSMAGIC |
 				     IMA_UID | IMA_FOWNER | IMA_FSUUID |
 				     IMA_INMASK | IMA_EUID | IMA_PCR |
-				     IMA_FSNAME | IMA_GID | IMA_EGID |
+				     IMA_FSNAME | IMA_FS_SUBTYPE |
+				     IMA_GID | IMA_EGID |
 				     IMA_FGROUP | IMA_DIGSIG_REQUIRED |
 				     IMA_PERMIT_DIRECTIO | IMA_VALIDATE_ALGOS |
 				     IMA_CHECK_BLACKLIST | IMA_VERITY_REQUIRED))
@@ -1297,7 +1308,8 @@ static bool ima_validate_rule(struct ima_rule_entry *entry)
 		if (entry->flags & ~(IMA_FUNC | IMA_MASK | IMA_FSMAGIC |
 				     IMA_UID | IMA_FOWNER | IMA_FSUUID |
 				     IMA_INMASK | IMA_EUID | IMA_PCR |
-				     IMA_FSNAME | IMA_GID | IMA_EGID |
+				     IMA_FSNAME | IMA_FS_SUBTYPE |
+				     IMA_GID | IMA_EGID |
 				     IMA_FGROUP | IMA_DIGSIG_REQUIRED |
 				     IMA_PERMIT_DIRECTIO | IMA_MODSIG_ALLOWED |
 				     IMA_CHECK_BLACKLIST | IMA_VALIDATE_ALGOS))
@@ -1310,7 +1322,8 @@ static bool ima_validate_rule(struct ima_rule_entry *entry)
 
 		if (entry->flags & ~(IMA_FUNC | IMA_FSMAGIC | IMA_UID |
 				     IMA_FOWNER | IMA_FSUUID | IMA_EUID |
-				     IMA_PCR | IMA_FSNAME | IMA_GID | IMA_EGID |
+				     IMA_PCR | IMA_FSNAME | IMA_FS_SUBTYPE |
+				     IMA_GID | IMA_EGID |
 				     IMA_FGROUP))
 			return false;
 
@@ -1597,6 +1610,22 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry)
 			result = 0;
 			entry->flags |= IMA_FSNAME;
 			break;
+		case Opt_fs_subtype:
+			ima_log_string(ab, "fs_subtype", args[0].from);
+
+			if (entry->fs_subtype) {
+				result = -EINVAL;
+				break;
+			}
+
+			entry->fs_subtype = kstrdup(args[0].from, GFP_KERNEL);
+			if (!entry->fs_subtype) {
+				result = -ENOMEM;
+				break;
+			}
+			result = 0;
+			entry->flags |= IMA_FS_SUBTYPE;
+			break;
 		case Opt_keyrings:
 			ima_log_string(ab, "keyrings", args[0].from);
 
@@ -2145,6 +2174,12 @@ int ima_policy_show(struct seq_file *m, void *v)
 		seq_puts(m, " ");
 	}
 
+	if (entry->flags & IMA_FS_SUBTYPE) {
+		snprintf(tbuf, sizeof(tbuf), "%s", entry->fs_subtype);
+		seq_printf(m, pt(Opt_fs_subtype), tbuf);
+		seq_puts(m, " ");
+	}
+
 	if (entry->flags & IMA_KEYRINGS) {
 		seq_puts(m, "keyrings=");
 		ima_show_rule_opt_list(m, entry->keyrings);