Setup overlayfs' private bdi so that we can collect overlayfs' own dirty inodes. Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx> --- fs/overlayfs/super.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 178daa5e82c9..51886ba6130a 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1980,6 +1980,10 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) if (!ofs) goto out; + err = super_setup_bdi(sb); + if (err) + goto out_err; + err = -ENOMEM; ofs->creator_cred = cred = prepare_creds(); if (!cred) -- 2.27.0