writeback: add name to backing_dev_info

This enables us to track who does what and print info. Its main use
is catching dirty inodes on the default_backing_dev_info, so we can
fix that up.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 8d6050a5966c..51763aa8f4de 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1965,6 +1965,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
          *
          * Read-ahead will be disabled because @c->bdi.ra_pages is 0.
          */
+        c->bdi.name = "ubifs",
         c->bdi.capabilities = BDI_CAP_MAP_COPY;
         c->bdi.unplug_io_fn = default_unplug_io_fn;
         err  = bdi_init(&c->bdi);