On Sun, Jul 01, 2018 at 11:43:43PM +0200, Andreas Gruenbacher wrote: > > + WARN_ON_ONCE(plen != PAGE_SIZE); > > Inline mappings only extend to the end of the file (iomap->offset == 0 > && iomap->length == inode->i_size), so length and plen will be > inode->i_size here. This assertion should just be removed. But we should generally still return PAGE_SIZE from iomap_begin because we cover the whole page and zero the rest, don't we? Either way, I can remove the assert from now.
