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

Dave Jiang
2026-02-19T16:21:56Z

On 1/18/26 3:32 PM, John Groves wrote:
> 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>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>

squash the defines with usage patch?

> ---
> 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 */