[v2,02/10] Add listmount/statmount fallback declarations

diff --git a/configure.ac b/configure.ac
index 1f7aa70bd..95c91c6af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,6 +113,7 @@  AC_CHECK_FUNCS_ONCE([ \
     io_uring_register \
     io_uring_enter \
     kcmp \
+    listmount \
     mallinfo \
     mallinfo2 \
     mallopt \
@@ -142,6 +143,7 @@  AC_CHECK_FUNCS_ONCE([ \
     setns \
     sigpending \
     splice \
+    statmount \
     statx \
     stime \
     sync_file_range \
@@ -232,6 +234,9 @@  AC_CHECK_TYPES([struct mount_attr],,,[
 #endif
 ])
 
+AC_CHECK_TYPES([struct mnt_id_req],,,[#include <linux/mount.h>])
+AC_CHECK_TYPES([struct statmount],,,[#include <linux/mount.h>])
+
 # Tools knobs
 
 # Bash
diff --git a/include/lapi/mount.h b/include/lapi/mount.h
index c1af944fe..01a0fd2d6 100644
--- a/include/lapi/mount.h
+++ b/include/lapi/mount.h
@@ -2,12 +2,15 @@ 
 /*
  * Copyright (c) Linux Test Project, 2015-2022
  * Copyright (c) 2015 Cui Bixuan <cuibixuan@huawei.com>
+ * Copyright (C) 2024 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
  */
 
 #ifndef LAPI_MOUNT_H__
 #define LAPI_MOUNT_H__
 
+#include <stdint.h>
 #include <sys/mount.h>
+#include "config.h"
 
 #ifndef MS_REC
 # define MS_REC 16384
@@ -37,4 +40,71 @@ 
 # define MS_NOSYMFOLLOW 256
 #endif
 
+#ifndef HAVE_STRUCT_MNT_ID_REQ
+struct mnt_id_req {
+	uint32_t size;
+	uint32_t spare;
+	uint64_t mnt_id;
+	uint64_t param;
+};
+#endif
+
+#ifndef HAVE_STRUCT_STATMOUNT
+struct statmount {
+	uint32_t size;
+	uint32_t __spare1;
+	uint64_t mask;
+	uint32_t sb_dev_major;
+	uint32_t sb_dev_minor;
+	uint64_t sb_magic;
+	uint32_t sb_flags;
+	uint32_t fs_type;
+	uint64_t mnt_id;
+	uint64_t mnt_parent_id;
+	uint32_t mnt_id_old;
+	uint32_t mnt_parent_id_old;
+	uint64_t mnt_attr;
+	uint64_t mnt_propagation;
+	uint64_t mnt_peer_group;
+	uint64_t mnt_master;
+	uint64_t propagate_from;
+	uint32_t mnt_root;
+	uint32_t mnt_point;
+	uint64_t __spare2[50];
+	char str[];
+};
+#endif
+
+#ifndef MNT_ID_REQ_SIZE_VER0
+# define MNT_ID_REQ_SIZE_VER0 24
+#endif
+
+#ifndef STATMOUNT_SB_BASIC
+# define STATMOUNT_SB_BASIC 0x00000001U
+#endif
+
+#ifndef STATMOUNT_MNT_BASIC
+# define STATMOUNT_MNT_BASIC 0x00000002U
+#endif
+
+#ifndef STATMOUNT_PROPAGATE_FROM
+# define STATMOUNT_PROPAGATE_FROM 0x00000004U
+#endif
+
+#ifndef STATMOUNT_MNT_ROOT
+# define STATMOUNT_MNT_ROOT 0x00000008U
+#endif
+
+#ifndef STATMOUNT_MNT_POINT
+# define STATMOUNT_MNT_POINT 0x00000010U
+#endif
+
+#ifndef STATMOUNT_FS_TYPE
+# define STATMOUNT_FS_TYPE 0x00000020U
+#endif
+
+#ifndef LSMT_ROOT
+# define LSMT_ROOT 0xffffffffffffffff
+#endif
+
 #endif /* LAPI_MOUNT_H__ */
diff --git a/include/lapi/stat.h b/include/lapi/stat.h
index 3606c9eb0..84dc76faf 100644
--- a/include/lapi/stat.h
+++ b/include/lapi/stat.h
@@ -95,7 +95,11 @@  struct statx {
 	uint32_t	stx_dev_major;
 	uint32_t	stx_dev_minor;
 	/* 0x90 */
-	uint64_t	__spare2[14];
+	__u64	stx_mnt_id;
+	__u32	stx_dio_mem_align;
+	__u32	stx_dio_offset_align;
+	/* 0xa0 */
+	__u64	__spare3[12];
 	/* 0x100 */
 };
 #endif
@@ -229,4 +233,8 @@  static inline int statx(int dirfd, const char *pathname, unsigned int flags,
 # define STATX_ATTR_VERITY	0x00100000
 #endif
 
+#ifndef STATX_MNT_ID_UNIQUE
+# define STATX_MNT_ID_UNIQUE  0x00004000U
+#endif
+
 #endif /* LAPI_STAT_H__ */
diff --git a/include/lapi/syscalls/aarch64.in b/include/lapi/syscalls/aarch64.in
index 2cb6c2d87..3b32a3b2a 100644
--- a/include/lapi/syscalls/aarch64.in
+++ b/include/lapi/syscalls/aarch64.in
@@ -297,4 +297,6 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
 _sysctl 1078
diff --git a/include/lapi/syscalls/arc.in b/include/lapi/syscalls/arc.in
index 3e2ee9061..1a3a908e4 100644
--- a/include/lapi/syscalls/arc.in
+++ b/include/lapi/syscalls/arc.in
@@ -317,3 +317,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/arm.in b/include/lapi/syscalls/arm.in
index 7bdbca533..78d84549f 100644
--- a/include/lapi/syscalls/arm.in
+++ b/include/lapi/syscalls/arm.in
@@ -395,3 +395,5 @@  faccessat2 (__NR_SYSCALL_BASE+439)
 epoll_pwait2 (__NR_SYSCALL_BASE+441)
 quotactl_fd (__NR_SYSCALL_BASE+443)
 futex_waitv (__NR_SYSCALL_BASE+449)
+statmount (__NR_SYSCALL_BASE+457)
+listmount (__NR_SYSCALL_BASE+458)
diff --git a/include/lapi/syscalls/hppa.in b/include/lapi/syscalls/hppa.in
index 8ebdafafb..1f01a4a0c 100644
--- a/include/lapi/syscalls/hppa.in
+++ b/include/lapi/syscalls/hppa.in
@@ -44,3 +44,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/i386.in b/include/lapi/syscalls/i386.in
index 1472631c4..f4e6589ab 100644
--- a/include/lapi/syscalls/i386.in
+++ b/include/lapi/syscalls/i386.in
@@ -431,3 +431,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/ia64.in b/include/lapi/syscalls/ia64.in
index 0ea6e9722..dd8b8c79f 100644
--- a/include/lapi/syscalls/ia64.in
+++ b/include/lapi/syscalls/ia64.in
@@ -344,3 +344,5 @@  faccessat2 1463
 epoll_pwait2 1465
 quotactl_fd 1467
 futex_waitv 1473
+statmount 1481
+listmount 1482
diff --git a/include/lapi/syscalls/loongarch.in b/include/lapi/syscalls/loongarch.in
index 301f611f6..f48c0658c 100644
--- a/include/lapi/syscalls/loongarch.in
+++ b/include/lapi/syscalls/loongarch.in
@@ -305,3 +305,5 @@  memfd_secret 447
 process_mrelease 448
 futex_waitv 449
 set_mempolicy_home_node 450
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/mips_n32.in b/include/lapi/syscalls/mips_n32.in
index e818c9d92..af5928c0e 100644
--- a/include/lapi/syscalls/mips_n32.in
+++ b/include/lapi/syscalls/mips_n32.in
@@ -371,3 +371,5 @@  epoll_pwait2 6441
 mount_setattr 6442
 quotactl_fd 6443
 futex_waitv 6449
+statmount 6457
+listmount 6458
diff --git a/include/lapi/syscalls/mips_n64.in b/include/lapi/syscalls/mips_n64.in
index 6e15f43b3..a6d83e2e0 100644
--- a/include/lapi/syscalls/mips_n64.in
+++ b/include/lapi/syscalls/mips_n64.in
@@ -347,3 +347,5 @@  epoll_pwait2 5441
 mount_setattr 5442
 quotactl_fd 5443
 futex_waitv 5449
+statmount 5457
+listmount 5458
diff --git a/include/lapi/syscalls/mips_o32.in b/include/lapi/syscalls/mips_o32.in
index 921d5d331..eda7388a3 100644
--- a/include/lapi/syscalls/mips_o32.in
+++ b/include/lapi/syscalls/mips_o32.in
@@ -417,3 +417,5 @@  epoll_pwait2 4441
 mount_setattr 4442
 quotactl_fd 4443
 futex_waitv 4449
+statmount 4457
+listmount 4458
diff --git a/include/lapi/syscalls/powerpc.in b/include/lapi/syscalls/powerpc.in
index 545d9d3d6..1b40ea53d 100644
--- a/include/lapi/syscalls/powerpc.in
+++ b/include/lapi/syscalls/powerpc.in
@@ -424,3 +424,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/powerpc64.in b/include/lapi/syscalls/powerpc64.in
index 545d9d3d6..1b40ea53d 100644
--- a/include/lapi/syscalls/powerpc64.in
+++ b/include/lapi/syscalls/powerpc64.in
@@ -424,3 +424,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/s390.in b/include/lapi/syscalls/s390.in
index 7213ac5f8..6593a4ff7 100644
--- a/include/lapi/syscalls/s390.in
+++ b/include/lapi/syscalls/s390.in
@@ -411,3 +411,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/s390x.in b/include/lapi/syscalls/s390x.in
index 879012e2b..b98e727d6 100644
--- a/include/lapi/syscalls/s390x.in
+++ b/include/lapi/syscalls/s390x.in
@@ -359,3 +359,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/sh.in b/include/lapi/syscalls/sh.in
index 7d5192a27..59178113e 100644
--- a/include/lapi/syscalls/sh.in
+++ b/include/lapi/syscalls/sh.in
@@ -405,3 +405,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/sparc.in b/include/lapi/syscalls/sparc.in
index 91d2fb1c2..56a244ceb 100644
--- a/include/lapi/syscalls/sparc.in
+++ b/include/lapi/syscalls/sparc.in
@@ -410,3 +410,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/sparc64.in b/include/lapi/syscalls/sparc64.in
index 1f2fc59b7..84051a600 100644
--- a/include/lapi/syscalls/sparc64.in
+++ b/include/lapi/syscalls/sparc64.in
@@ -375,3 +375,5 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
diff --git a/include/lapi/syscalls/x86_64.in b/include/lapi/syscalls/x86_64.in
index dc61aa56e..935c5d7bc 100644
--- a/include/lapi/syscalls/x86_64.in
+++ b/include/lapi/syscalls/x86_64.in
@@ -352,6 +352,8 @@  faccessat2 439
 epoll_pwait2 441
 quotactl_fd 443
 futex_waitv 449
+statmount 457
+listmount 458
 rt_sigaction 512
 rt_sigreturn 513
 ioctl 514