1 files changed, 15 insertions, 10 deletions

diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 5b68e4294faa..124f1aa9ab03 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -10,6 +10,7 @@
 #include <linux/ctype.h>
 #include <linux/efi.h>
 #include <linux/fs.h>
+#include <linux/fs_context.h>
 #include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/ucs2_string.h>
@@ -31,8 +32,6 @@ static const struct super_operations efivarfs_ops = {
         .evict_inode = efivarfs_evict_inode,
 };
 
-static struct super_block *efivarfs_sb;
-
 /*
  * Compare two efivarfs file names.
  *
@@ -191,14 +190,12 @@ static int efivarfs_destroy(struct efivar_entry *entry, void *data)
         return 0;
 }
 
-static int efivarfs_fill_super(struct super_block *sb, void *data, int silent)
+static int efivarfs_fill_super(struct super_block *sb, struct fs_context *fc)
 {
         struct inode *inode = NULL;
         struct dentry *root;
         int err;
 
-        efivarfs_sb = sb;
-
         sb->s_maxbytes          = MAX_LFS_FILESIZE;
         sb->s_blocksize         = PAGE_SIZE;
         sb->s_blocksize_bits    = PAGE_SHIFT;
@@ -226,16 +223,24 @@ static int efivarfs_fill_super(struct super_block *sb, void *data, int silent)
         return err;
 }
 
-static struct dentry *efivarfs_mount(struct file_system_type *fs_type,
-                                    int flags, const char *dev_name, void *data)
+static int efivarfs_get_tree(struct fs_context *fc)
+{
+        return get_tree_single(fc, efivarfs_fill_super);
+}
+
+static const struct fs_context_operations efivarfs_context_ops = {
+        .get_tree       = efivarfs_get_tree,
+};
+
+static int efivarfs_init_fs_context(struct fs_context *fc)
 {
-        return mount_single(fs_type, flags, data, efivarfs_fill_super);
+        fc->ops = &efivarfs_context_ops;
+        return 0;
 }
 
 static void efivarfs_kill_sb(struct super_block *sb)
 {
         kill_litter_super(sb);
-        efivarfs_sb = NULL;
 
         /* Remove all entries and destroy */
         __efivar_entry_iter(efivarfs_destroy, &efivarfs_list, NULL, NULL);
@@ -244,7 +249,7 @@ static void efivarfs_kill_sb(struct super_block *sb)
 static struct file_system_type efivarfs_type = {
         .owner   = THIS_MODULE,
         .name    = "efivarfs",
-        .mount   = efivarfs_mount,
+        .init_fs_context = efivarfs_init_fs_context,
         .kill_sb = efivarfs_kill_sb,
 };