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-rw-r--r--include/uapi/linux/fcntl.h1
-rw-r--r--include/uapi/linux/magic.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h
index aadfbf6e0cb3..e43e3de3e9ee 100644
--- a/include/uapi/linux/fcntl.h
+++ b/include/uapi/linux/fcntl.h
@@ -124,6 +124,7 @@ struct delegation {
#define FD_PIDFS_ROOT -10002 /* Root of the pidfs filesystem */
#define FD_NSFS_ROOT -10003 /* Root of the nsfs filesystem */
+#define FD_FAILFS_ROOT -10004 /* Root of the failfs filesystem */
#define FD_INVALID -10009 /* Invalid file descriptor: -10000 - EBADF = -10009 */
/* Generic flags for the *at(2) family of syscalls. */
diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 4f2da935a76c..fd5f0e95648e 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -105,5 +105,6 @@
#define PID_FS_MAGIC 0x50494446 /* "PIDF" */
#define GUEST_MEMFD_MAGIC 0x474d454d /* "GMEM" */
#define NULL_FS_MAGIC 0x4E554C4C /* "NULL" */
+#define FAIL_FS_MAGIC 0x4641494C /* "FAIL" */
#endif /* __LINUX_MAGIC_H__ */