1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e4090259569b..b78bbbac900d 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1746,7 +1746,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
 
         mutex_lock(&inode->i_mutex);
 
-        current->backing_dev_info = inode->i_mapping->backing_dev_info;
+        current->backing_dev_info = inode_to_bdi(inode);
         err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
         if (err) {
                 mutex_unlock(&inode->i_mutex);
@@ -2081,7 +2081,6 @@ static const struct vm_operations_struct btrfs_file_vm_ops = {
         .fault          = filemap_fault,
         .map_pages      = filemap_map_pages,
         .page_mkwrite   = btrfs_page_mkwrite,
-        .remap_pages    = generic_file_remap_pages,
 };
 
 static int btrfs_file_mmap(struct file  *filp, struct vm_area_struct *vma)