[PATCH v2 1/1] rpdfs: Add minimal statfs support

Chris Kirby <[email protected]> Wed, 25 Feb 2026 17:23:22 -0600
Newsgroups dev.linux.lists.rpdfs-devel
Message-ID <4f0660c2aae860e2f3cdd7070f46beebbec141c7.1772061244.git.ckirby@versity.com>
Add minimal statfs support

For now, just report f_type, f_bsize, and f_namelen.

Signed-off-by: Chris Kirby <[email protected]>
---
 fs/rpdfs/super.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/rpdfs/super.c b/fs/rpdfs/super.c
index 4b2d968a6767..9b18c25175b7 100644
--- a/fs/rpdfs/super.c
+++ b/fs/rpdfs/super.c
@@ -6,6 +6,7 @@
 #include <linux/fs.h>
 #include <linux/fs_context.h>
 #include <linux/fs_parser.h>
+#include <linux/statfs.h>
 
 #include "balloc.h"
 #include "block.h"
@@ -22,9 +23,19 @@ struct rpdfs_fs_context {
 	bool mkfs;
 };
 
+static int rpdfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
+	buf->f_type = RPDFS_SUPER_MAGIC;
+	buf->f_bsize = RPDFS_BLOCK_SIZE;
+	buf->f_namelen = RPDFS_NAME_MAX;
+
+	return 0;
+}
+
 static const struct super_operations rpdfs_sop = {
 	.alloc_inode	= rpdfs_alloc_inode,
 	.free_inode	= rpdfs_free_inode,
+	.statfs		= rpdfs_statfs,
 	.write_inode	= rpdfs_write_inode,
 };
 
-- 
2.53.0