Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block

[mirror_ubuntu-bionic-kernel.git] / fs / btrfs / file.c

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a606ab551296e150f0b8045c937a8df0dab4dc58..b78bbbac900db833e54fc63bdbff8bae365225f3 100644 (file)
--- 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);