On Mon, 06 Jun 2022, Chuck Lever wrote: > The value of @p is not used until the "location of the next item" is > computed. Help human readers by moving its initial assignment to the > paragraph where that value is used and by clarifying the antecedents > in the documenting comment. > > Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Reviewed-by: NeilBrown <neilb@xxxxxxxx> > --- > net/sunrpc/xdr.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c > index de8f71468637..89cb48931a1f 100644 > --- a/net/sunrpc/xdr.c > +++ b/net/sunrpc/xdr.c > @@ -971,6 +971,7 @@ static noinline __be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr, > xdr->buf->page_len += frag1bytes; > xdr->page_ptr++; > xdr->iov = NULL; > + > /* > * If the last encode didn't end exactly on a page boundary, the > * next one will straddle boundaries. Encode into the next > @@ -979,11 +980,12 @@ static noinline __be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr, > * space at the end of the previous buffer: > */ > xdr_set_scratch_buffer(xdr, xdr->p, frag1bytes); > - p = page_address(*xdr->page_ptr); > + > /* > - * Note this is where the next encode will start after we've > - * shifted this one back: > + * xdr->p is where the next encode will start after > + * xdr_commit_encode() has shifted this one back: > */ > + p = page_address(*xdr->page_ptr); > xdr->p = (void *)p + frag2bytes; > space_left = xdr->buf->buflen - xdr->buf->len; > if (space_left - nbytes >= PAGE_SIZE) > > >