[PATCH 29/38] vfs: Convert ibmasmfs to fs_context

From: David Howells
Date: Thu Mar 14 2019 - 12:12:57 EST


Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Arnd Bergmann <arnd@xxxxxxxx>
cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---

drivers/misc/ibmasm/ibmasmfs.c | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index fa840666bdd1..e615f335db99 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -74,6 +74,7 @@
*/

#include <linux/fs.h>
+#include <linux/fs_context.h>
#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
@@ -88,13 +89,21 @@ static LIST_HEAD(service_processors);

static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode);
static void ibmasmfs_create_files (struct super_block *sb);
-static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent);
+static int ibmasmfs_fill_super(struct super_block *sb, struct fs_context *fc);

+static int ibmasmfs_get_tree(struct fs_context *fc)
+{
+ return vfs_get_super(fc, vfs_get_single_super, ibmasmfs_fill_super);
+}

-static struct dentry *ibmasmfs_mount(struct file_system_type *fst,
- int flags, const char *name, void *data)
+static const struct fs_context_operations ibmasmfs_context_ops = {
+ .get_tree = ibmasmfs_get_tree,
+};
+
+static int ibmasmfs_init_fs_context(struct fs_context *fc)
{
- return mount_single(fst, flags, data, ibmasmfs_fill_super);
+ fc->ops = &ibmasmfs_context_ops;
+ return 0;
}

static const struct super_operations ibmasmfs_s_ops = {
@@ -107,12 +116,12 @@ static const struct file_operations *ibmasmfs_dir_ops = &simple_dir_operations;
static struct file_system_type ibmasmfs_type = {
.owner = THIS_MODULE,
.name = "ibmasmfs",
- .mount = ibmasmfs_mount,
+ .init_fs_context = ibmasmfs_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("ibmasmfs");

-static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent)
+static int ibmasmfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
struct inode *root;