[PATCH V7 09/19] famfs_fuse: magic.h: Add famfs magic numbers

John Groves
2026-01-18T22:32:33Z

From: John Groves <john@groves.net>

Famfs distinguishes between its on-media and in-memory superblocks. This
reserves the numbers, but they are only used by the user space
components of famfs.

Signed-off-by: John Groves <john@groves.net>
---
include/uapi/linux/magic.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 638ca21b7a90..712b097bf2a5 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -38,6 +38,8 @@
#define OVERLAYFS_SUPER_MAGIC 0x794c7630
#define FUSE_SUPER_MAGIC 0x65735546
#define BCACHEFS_SUPER_MAGIC 0xca451a4e
+#define FAMFS_SUPER_MAGIC 0x87b282ff
+#define FAMFS_STATFS_MAGIC 0x87b282fd

#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */
#define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */
--
2.52.0