On Sat, Jan 02, 2021 at 03:17:34PM +0000, Pavel Begunkov wrote: > --- a/Documentation/filesystems/porting.rst > +++ b/Documentation/filesystems/porting.rst > @@ -865,3 +865,10 @@ no matter what. Everything is handled by the caller. > > clone_private_mount() returns a longterm mount now, so the proper destructor of > its result is kern_unmount() or kern_unmount_array(). > + > +--- > + > +**mandatory** > + > +zero-length bvec segments are disallowed, they must be filtered out before > +passed on to an iterator. Why are you putting this in filesystems/porting? Filesystems don't usually generate bvecs ... there's nothing in this current series that stops them. I'd suggest Documentation/block/biovecs.rst or biodoc.rst (and frankly, biodoc.rst needs a good cleanup)
