@@ -13,6 +13,7 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/fs.h>
+#include <linux/fs_context.h>
#include <linux/magic.h>
#include <xen/xen.h>
@@ -42,7 +43,7 @@ static const struct file_operations capabilities_file_ops = {
.llseek = default_llseek,
};
-static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
+static int xenfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
static const struct tree_descr xenfs_files[] = {
[2] = { "xenbus", &xen_xenbus_fops, S_IRUSR|S_IWUSR },
@@ -67,17 +68,25 @@ static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
xen_initial_domain() ? xenfs_init_files : xenfs_files);
}
-static struct dentry *xenfs_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name,
- void *data)
+static int xenfs_get_tree(struct fs_context *fc)
{
- return mount_single(fs_type, flags, data, xenfs_fill_super);
+ return vfs_get_super(fc, vfs_get_single_super, xenfs_fill_super);
+}
+
+static const struct fs_context_operations xenfs_context_ops = {
+ .get_tree = xenfs_get_tree,
+};
+
+static int xenfs_init_fs_context(struct fs_context *fc)
+{
+ fc->ops = &xenfs_context_ops;
+ return 0;
}
static struct file_system_type xenfs_type = {
.owner = THIS_MODULE,
.name = "xenfs",
- .mount = xenfs_mount,
+ .init_fs_context = xenfs_init_fs_context,
.kill_sb = kill_litter_super,
};
MODULE_ALIAS_FS("xenfs");
Convert the xenfs filesystem to the new internal mount API as the old one will be obsoleted and removed. This allows greater flexibility in communication of mount parameters between userspace, the VFS and the filesystem. See Documentation/filesystems/mount_api.txt for more information. Signed-off-by: David Howells <dhowells@redhat.com> cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> cc: Juergen Gross <jgross@suse.com> cc: Stefano Stabellini <sstabellini@kernel.org> cc: xen-devel@lists.xenproject.org --- drivers/xen/xenfs/super.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-)