From: Andreas Gruenbacher <[email protected]> When encoding large, variable-length objects such as acls into xdr_bufs, it is easier to allocate buffer pages on demand rather than precomputing the required buffer size.
Signed-off-by: Andreas Gruenbacher <[email protected]> --- net/sunrpc/xdr.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 4439ac4..e6a1744 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_NOFS); + if (!page) + return NULL; + *xdr->page_ptr = page; + } + p = page_address(*xdr->page_ptr); /* * Note this is where the next encode will start after we've -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
