1 files changed, 8 insertions, 14 deletions

diff --git a/fs/libfs.c b/fs/libfs.c
index 62baa0387d6e..a3accdf528ad 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -201,9 +201,8 @@ static const struct super_operations simple_super_operations = {
  * Common helper for pseudo-filesystems (sockfs, pipefs, bdev - stuff that
  * will never be mountable)
  */
-int get_sb_pseudo(struct file_system_type *fs_type, char *name,
-        const struct super_operations *ops, unsigned long magic,
-        struct vfsmount *mnt)
+struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
+        const struct super_operations *ops, unsigned long magic)
 {
         struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL);
         struct dentry *dentry;
@@ -211,7 +210,7 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
         struct qstr d_name = {.name = name, .len = strlen(name)};
 
         if (IS_ERR(s))
-                return PTR_ERR(s);
+                return ERR_CAST(s);
 
         s->s_flags = MS_NOUSER;
         s->s_maxbytes = MAX_LFS_FILESIZE;
@@ -241,12 +240,11 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
         d_instantiate(dentry, root);
         s->s_root = dentry;
         s->s_flags |= MS_ACTIVE;
-        simple_set_mnt(mnt, s);
-        return 0;
+        return dget(s->s_root);
 
 Enomem:
         deactivate_locked_super(s);
-        return -ENOMEM;
+        return ERR_PTR(-ENOMEM);
 }
 
 int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
@@ -255,7 +253,7 @@ int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *den
 
         inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
         inc_nlink(inode);
-        atomic_inc(&inode->i_count);
+        ihold(inode);
         dget(dentry);
         d_instantiate(dentry, inode);
         return 0;
@@ -892,10 +890,6 @@ EXPORT_SYMBOL_GPL(generic_fh_to_parent);
  */
 int generic_file_fsync(struct file *file, int datasync)
 {
-        struct writeback_control wbc = {
-                .sync_mode = WB_SYNC_ALL,
-                .nr_to_write = 0, /* metadata-only; caller takes care of data */
-        };
         struct inode *inode = file->f_mapping->host;
         int err;
         int ret;
@@ -906,7 +900,7 @@ int generic_file_fsync(struct file *file, int datasync)
         if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
                 return ret;
 
-        err = sync_inode(inode, &wbc);
+        err = sync_inode_metadata(inode, 1);
         if (ret == 0)
                 ret = err;
         return ret;
@@ -955,7 +949,7 @@ EXPORT_SYMBOL(dcache_dir_lseek);
 EXPORT_SYMBOL(dcache_dir_open);
 EXPORT_SYMBOL(dcache_readdir);
 EXPORT_SYMBOL(generic_read_dir);
-EXPORT_SYMBOL(get_sb_pseudo);
+EXPORT_SYMBOL(mount_pseudo);
 EXPORT_SYMBOL(simple_write_begin);
 EXPORT_SYMBOL(simple_write_end);
 EXPORT_SYMBOL(simple_dir_inode_operations);