On Mon, Oct 28, 2019 at 1:42 PM Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> wrote: > > I've tried something of this sort back in 2013: > > http://lore.kernel.org/r/1377099441-2224-1-git-send-email-kirill.shutemov@xxxxxxxxxxxxxxx > > and I've got push back. > > Apparently, some filesystems may not have valid i_size before >readpage(). > Not sure if it's still the case... Well, I agree that there might be some network filesystem that might have inode sizes that are stale, but if that's the case then I don't think your previous patch works either. It too will avoid the readpage() if the read position is beyond i_size. No? Linus