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Diffstat (limited to 'tools/include/uapi/linux/mount.h')
-rw-r--r--tools/include/uapi/linux/mount.h28
1 files changed, 26 insertions, 2 deletions
diff --git a/tools/include/uapi/linux/mount.h b/tools/include/uapi/linux/mount.h
index ad5478dbad00..7fa67c2031a5 100644
--- a/tools/include/uapi/linux/mount.h
+++ b/tools/include/uapi/linux/mount.h
@@ -154,7 +154,7 @@ struct mount_attr {
*/
struct statmount {
__u32 size; /* Total size, including strings */
- __u32 __spare1;
+ __u32 mnt_opts; /* [str] Options (comma separated, escaped) */
__u64 mask; /* What results were written */
__u32 sb_dev_major; /* Device ID */
__u32 sb_dev_minor;
@@ -172,7 +172,19 @@ struct statmount {
__u64 propagate_from; /* Propagation from in current namespace */
__u32 mnt_root; /* [str] Root of mount relative to root of fs */
__u32 mnt_point; /* [str] Mountpoint relative to current root */
- __u64 __spare2[50];
+ __u64 mnt_ns_id; /* ID of the mount namespace */
+ __u32 fs_subtype; /* [str] Subtype of fs_type (if any) */
+ __u32 sb_source; /* [str] Source string of the mount */
+ __u32 opt_num; /* Number of fs options */
+ __u32 opt_array; /* [str] Array of nul terminated fs options */
+ __u32 opt_sec_num; /* Number of security options */
+ __u32 opt_sec_array; /* [str] Array of nul terminated security options */
+ __u64 supported_mask; /* Mask flags that this kernel supports */
+ __u32 mnt_uidmap_num; /* Number of uid mappings */
+ __u32 mnt_uidmap; /* [str] Array of uid mappings (as seen from callers namespace) */
+ __u32 mnt_gidmap_num; /* Number of gid mappings */
+ __u32 mnt_gidmap; /* [str] Array of gid mappings (as seen from callers namespace) */
+ __u64 __spare2[43];
char str[]; /* Variable size part containing strings */
};
@@ -188,10 +200,12 @@ struct mnt_id_req {
__u32 spare;
__u64 mnt_id;
__u64 param;
+ __u64 mnt_ns_id;
};
/* List of all mnt_id_req versions. */
#define MNT_ID_REQ_SIZE_VER0 24 /* sizeof first published struct */
+#define MNT_ID_REQ_SIZE_VER1 32 /* sizeof second published struct */
/*
* @mask bits for statmount(2)
@@ -202,10 +216,20 @@ struct mnt_id_req {
#define STATMOUNT_MNT_ROOT 0x00000008U /* Want/got mnt_root */
#define STATMOUNT_MNT_POINT 0x00000010U /* Want/got mnt_point */
#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 */
+#define STATMOUNT_SB_SOURCE 0x00000200U /* Want/got sb_source */
+#define STATMOUNT_OPT_ARRAY 0x00000400U /* Want/got opt_... */
+#define STATMOUNT_OPT_SEC_ARRAY 0x00000800U /* Want/got opt_sec... */
+#define STATMOUNT_SUPPORTED_MASK 0x00001000U /* Want/got supported mask flags */
+#define STATMOUNT_MNT_UIDMAP 0x00002000U /* Want/got uidmap... */
+#define STATMOUNT_MNT_GIDMAP 0x00004000U /* Want/got gidmap... */
/*
* Special @mnt_id values that can be passed to listmount
*/
#define LSMT_ROOT 0xffffffffffffffff /* root mount */
+#define LISTMOUNT_REVERSE (1 << 0) /* List later mounts first */
#endif /* _UAPI_LINUX_MOUNT_H */