| Message ID | 73447bd6fc331c911d32f212d85cc65898432ce5.1427471526.git.agruenba@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 4439ac4..062951b 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -537,6 +537,14 @@ static __be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr, */ xdr->scratch.iov_base = xdr->p; xdr->scratch.iov_len = frag1bytes; + + if (!*xdr->page_ptr) { + struct page *page = alloc_page(GFP_KERNEL); + if (!page) + return ERR_PTR(-ENOMEM); + *xdr->page_ptr = page; + } + p = page_address(*xdr->page_ptr); /* * Note this is where the next encode will start after we've
When encoding large, variable-length objects such as acls into xdr_bufs, it is easier to allocate buffer pages on demand rather than computing the required buffer size beforehand. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- net/sunrpc/xdr.c | 8 ++++++++ 1 file changed, 8 insertions(+)