On Fri, Nov 30, 2018 at 03:03:39PM -0500, Olga Kornievskaia wrote: > Relax the condition that input files must be from the same > file systems. > + ret = do_splice_direct(file_in, &pos_in, file_out, &pos_out, > + count > MAX_RW_COUNT ? MAX_RW_COUNT : count, 0); Wasn't there a concern about splicing between filesystems with different block sizes mentioned the last time this came up? I can't find a citation for that now. > - /* this could be relaxed once generic cross fs support is added */ > - if (inode_in->i_sb != inode_out->i_sb) { > - ret = -EXDEV; > - goto done; > - }