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-rw-r--r--include/uapi/linux/mount.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/uapi/linux/mount.h b/include/uapi/linux/mount.h
index 225bc366ffcb..2e939dddf9cb 100644
--- a/include/uapi/linux/mount.h
+++ b/include/uapi/linux/mount.h
@@ -173,7 +173,9 @@ struct statmount {
__u32 mnt_root; /* [str] Root of mount relative to root of fs */
__u32 mnt_point; /* [str] Mountpoint relative to current root */
__u64 mnt_ns_id; /* ID of the mount namespace */
- __u64 __spare2[49];
+ __u32 fs_subtype; /* [str] Subtype of fs_type (if any) */
+ __u32 __spare1[1];
+ __u64 __spare2[48];
char str[]; /* Variable size part containing strings */
};
@@ -207,6 +209,7 @@ struct mnt_id_req {
#define STATMOUNT_FS_TYPE 0x00000020U /* Want/got fs_type */
#define STATMOUNT_MNT_NS_ID 0x00000040U /* Want/got mnt_ns_id */
#define STATMOUNT_MNT_OPTS 0x00000080U /* Want/got mnt_opts */
+#define STATMOUNT_FS_SUBTYPE 0x00000100U /* Want/got fs_subtype */
/*
* Special @mnt_id values that can be passed to listmount