[RFC,1/2] dlmfs: convert to the new mount API

Commit Message

Eric Sandeen Oct. 28, 2024, 2:41 p.m. UTC

Convert dlmfs to the new mount API.

Signed-off-by: Eric Sandeen <[e-mail]>
---
 fs/ocfs2/dlmfs/dlmfs.c | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

Patch

diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 7fc0e920eda7..2a7f36643895 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -20,6 +20,7 @@ 
 
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/fs_context.h>
 #include <linux/pagemap.h>
 #include <linux/types.h>
 #include <linux/slab.h>
@@ -506,9 +507,7 @@  static int dlmfs_unlink(struct inode *dir,
 	return status;
 }
 
-static int dlmfs_fill_super(struct super_block * sb,
-			    void * data,
-			    int silent)
+static int dlmfs_fill_super(struct super_block *sb, struct fs_context *fc)
 {
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
 	sb->s_blocksize = PAGE_SIZE;
@@ -556,17 +555,27 @@  static const struct inode_operations dlmfs_file_inode_operations = {
 	.setattr	= dlmfs_file_setattr,
 };
 
-static struct dentry *dlmfs_mount(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
+static int dlmfs_get_tree(struct fs_context *fc)
 {
-	return mount_nodev(fs_type, flags, data, dlmfs_fill_super);
+	return get_tree_nodev(fc, dlmfs_fill_super);
+}
+
+static const struct fs_context_operations dlmfs_context_ops = {
+	.get_tree       = dlmfs_get_tree,
+};
+
+static int dlmfs_init_fs_context(struct fs_context *fc)
+{
+	fc->ops = &dlmfs_context_ops;
+
+	return 0;
 }
 
 static struct file_system_type dlmfs_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "ocfs2_dlmfs",
-	.mount		= dlmfs_mount,
 	.kill_sb	= kill_litter_super,
+	.init_fs_context = dlmfs_init_fs_context,
 };
 MODULE_ALIAS_FS("ocfs2_dlmfs");