Hi Eric, On 2019/6/21 4:50, Eric Biggers wrote: > +static int f2fs_begin_enable_verity(struct file *filp) > +{ > + struct inode *inode = file_inode(filp); > + int err; > + I think we'd better add condition here (under inode lock) to disallow enabling verity on atomic/volatile inode, as we may fail to write merkle tree data due to atomic/volatile inode's special writeback method. > + err = f2fs_convert_inline_inode(inode); > + if (err) > + return err; > + > + err = dquot_initialize(inode); > + if (err) > + return err; We can get rid of dquot_initialize() here, since f2fs_file_open() -> dquot_file_open() should has initialized quota entry previously, right? Thanks, > + > + set_inode_flag(inode, FI_VERITY_IN_PROGRESS); > + return 0; > +} > +