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From: John Groves <John@Groves.net>
To: John Groves <John@Groves.net>,
	Dan Williams <dan.j.williams@intel.com>,
	Miklos Szeredi <miklos@szeredb.hu>,
	Bernd Schubert <bschubert@ddn.com>
Cc: John Groves <jgroves@micron.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Christian Brauner <brauner@kernel.org>,
	"Darrick J . Wong" <djwong@kernel.org>,
	Luis Henriques <luis@igalia.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Jeff Layton <jlayton@kernel.org>,
	Kent Overstreet <kent.overstreet@linux.dev>,
	Petr Vorel <pvorel@suse.cz>, Brian Foster <bfoster@redhat.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	Amir Goldstein <amir73il@gmail.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Stefan Hajnoczi <shajnocz@redhat.com>,
	Joanne Koong <joannelkoong@gmail.com>,
	Josef Bacik <josef@toxicpanda.com>,
	Aravind Ramesh <arramesh@micron.com>,
	Ajay Joshi <ajayjoshi@micron.com>, John Groves <john@groves.net>
Subject: [RFC PATCH 07/19] famfs_fuse: magic.h: Add famfs magic numbers
Date: Sun, 20 Apr 2025 20:33:34 -0500	[thread overview]
Message-ID: <20250421013346.32530-8-john@groves.net> (raw)
In-Reply-To: <20250421013346.32530-1-john@groves.net>

Famfs distinguishes between its on-media and in-memory superblocks

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 bb575f3ab45e..ee497665d8d7 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 */
-- 
2.49.0


  parent reply	other threads:[~2025-04-21  1:34 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-21  1:33 [RFC PATCH 00/19] famfs: port into fuse John Groves
2025-04-21  1:33 ` [RFC PATCH 01/19] dev_dax_iomap: Move dax_pgoff_to_phys() from device.c to bus.c John Groves
2025-04-21  1:33 ` [RFC PATCH 02/19] dev_dax_iomap: Add fs_dax_get() func to prepare dax for fs-dax usage John Groves
2025-04-21  1:33 ` [RFC PATCH 03/19] dev_dax_iomap: Save the kva from memremap John Groves
2025-04-21  1:33 ` [RFC PATCH 04/19] dev_dax_iomap: Add dax_operations for use by fs-dax on devdax John Groves
2025-04-21  1:33 ` [RFC PATCH 05/19] dev_dax_iomap: export dax_dev_get() John Groves
2025-04-21  1:33 ` [RFC PATCH 06/19] dev_dax_iomap: (ignore!) Drop poisoned page warning in fs/dax.c John Groves
2025-04-21  1:33 ` John Groves [this message]
2025-04-21  1:33 ` [RFC PATCH 08/19] famfs_fuse: Kconfig John Groves
2025-04-21  1:33 ` [RFC PATCH 09/19] famfs_fuse: Update macro s/FUSE_IS_DAX/FUSE_IS_VIRTIO_DAX/ John Groves
2025-04-21  1:33 ` [RFC PATCH 10/19] famfs_fuse: Basic fuse kernel ABI enablement for famfs John Groves
2025-04-23  1:36   ` Joanne Koong
2025-04-23 20:23     ` John Groves
2025-04-21  1:33 ` [RFC PATCH 11/19] famfs_fuse: Basic famfs mount opts John Groves
2025-04-23  1:51   ` Joanne Koong
2025-04-23 20:19     ` John Groves
2025-04-21  1:33 ` [RFC PATCH 12/19] famfs_fuse: Plumb the GET_FMAP message/response John Groves
2025-05-02  5:48   ` Joanne Koong
2025-05-02 20:35     ` Darrick J. Wong
2025-05-12 16:28     ` John Groves
2025-05-22 15:45       ` Amir Goldstein
2025-05-23  0:30         ` John Groves
2025-04-21  1:33 ` [RFC PATCH 13/19] famfs_fuse: Create files with famfs fmaps John Groves
2025-04-21 21:57   ` Darrick J. Wong
2025-04-21 22:31     ` John Groves
2025-04-24 13:43   ` John Groves
2025-04-24 14:38     ` Darrick J. Wong
2025-04-28  1:48       ` John Groves
2025-04-28 19:00         ` Darrick J. Wong
2025-05-06 16:56           ` Miklos Szeredi
2025-05-08 15:56             ` Darrick J. Wong
2025-05-13  9:14               ` Miklos Szeredi
2025-05-15  2:06                 ` Darrick J. Wong
2025-05-16 10:06                   ` Miklos Szeredi
2025-05-16 23:17                     ` Darrick J. Wong
2025-05-12 19:51             ` John Groves
2025-05-13  4:03               ` Darrick J. Wong
2025-04-21  1:33 ` [RFC PATCH 14/19] famfs_fuse: GET_DAXDEV message and daxdev_table John Groves
2025-04-21  3:43   ` Randy Dunlap
2025-04-21 20:57     ` John Groves
2025-04-21  1:33 ` [RFC PATCH 15/19] famfs_fuse: Plumb dax iomap and fuse read/write/mmap John Groves
2025-04-21  1:33 ` [RFC PATCH 16/19] famfs_fuse: Add holder_operations for dax notify_failure() John Groves
2025-04-21  1:33 ` [RFC PATCH 17/19] famfs_fuse: Add famfs metadata documentation John Groves
2025-04-21  3:51   ` Randy Dunlap
2025-04-21 21:00     ` John Groves
2025-04-21  1:33 ` [RFC PATCH 18/19] famfs_fuse: Add documentation John Groves
2025-04-22  2:10   ` Randy Dunlap
2025-04-28  1:50     ` John Groves
2025-04-21  1:33 ` [RFC PATCH 19/19] famfs_fuse: (ignore) debug cruft John Groves
2025-04-21 18:27 ` [RFC PATCH 00/19] famfs: port into fuse Darrick J. Wong
2025-04-21 22:00   ` John Groves
2025-04-22  1:25     ` Darrick J. Wong
2025-04-22 11:50       ` John Groves
2025-04-30 14:42 ` Alireza Sanaee
2025-05-01  2:13   ` John Groves
2025-05-21 22:30 ` John Groves
2025-05-21 23:11   ` Darrick J. Wong
2025-05-22 15:55   ` Amir Goldstein

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