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

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 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fs/rpdfs/super.c b/fs/rpdfs/super.c
index 4b2d968a6767..d24e0d771df8 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"
@@ -17,6 +18,8 @@
 #include "parse.h"
 #include "pr.h"
 
+static int rpdfs_statfs(struct dentry *dentry, struct kstatfs *kst);
+
 struct rpdfs_fs_context {
 	struct rpdfs_net_transport_addr source_addr;
 	bool mkfs;
@@ -25,6 +28,7 @@ struct rpdfs_fs_context {
 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,
 };
 
@@ -42,6 +46,15 @@ static int rpdfs_set_super(struct super_block *sb, struct fs_context *fc)
 	return set_anon_super_fc(sb, fc);
 }
 
+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 void rpdfs_destroy(struct rpdfs_fs_info *rfi)
 {
 	rpdfs_balloc_destroy(rfi);
-- 
2.53.0