On Mon, Oct 28, 2019 at 01:47:16PM +0100, Linus Torvalds wrote: > 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? Yes. That's the reason the patch was rejected back then. My point is that we need to make sure that this patch not break anything. -- Kirill A. Shutemov
