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authorAnna Schumaker <Anna.Schumaker@Netapp.com>2015-01-27 01:26:19 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2020-10-07 21:28:39 +0300
commitf7d61ee414cadaeb05af3bf7a64fb99760b9c6e7 (patch)
tree060c1acba40022cbb57f4fc8ce00c4a6b65ede77 /net/sunrpc/xdr.c
parent247db73560bc3e5aef6db50c443c3c0db115bc93 (diff)
downloadlinux-f7d61ee414cadaeb05af3bf7a64fb99760b9c6e7.tar.xz
SUNRPC: Split out a function for setting current page
I'm going to need this bit of code in a few places for READ_PLUS decoding, so let's make it a helper function. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xdr.c')
-rw-r--r--net/sunrpc/xdr.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index be11d672b5b9..fa7517c1d125 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -825,6 +825,13 @@ static int xdr_set_page_base(struct xdr_stream *xdr,
return 0;
}
+static void xdr_set_page(struct xdr_stream *xdr, unsigned int base,
+ unsigned int len)
+{
+ if (xdr_set_page_base(xdr, base, len) < 0)
+ xdr_set_iov(xdr, xdr->buf->tail, xdr->nwords << 2);
+}
+
static void xdr_set_next_page(struct xdr_stream *xdr)
{
unsigned int newbase;
@@ -832,8 +839,7 @@ static void xdr_set_next_page(struct xdr_stream *xdr)
newbase = (1 + xdr->page_ptr - xdr->buf->pages) << PAGE_SHIFT;
newbase -= xdr->buf->page_base;
- if (xdr_set_page_base(xdr, newbase, PAGE_SIZE) < 0)
- xdr_set_iov(xdr, xdr->buf->tail, xdr->nwords << 2);
+ xdr_set_page(xdr, newbase, PAGE_SIZE);
}
static bool xdr_set_next_buffer(struct xdr_stream *xdr)
@@ -841,8 +847,7 @@ static bool xdr_set_next_buffer(struct xdr_stream *xdr)
if (xdr->page_ptr != NULL)
xdr_set_next_page(xdr);
else if (xdr->iov == xdr->buf->head) {
- if (xdr_set_page_base(xdr, 0, PAGE_SIZE) < 0)
- xdr_set_iov(xdr, xdr->buf->tail, xdr->nwords << 2);
+ xdr_set_page(xdr, 0, PAGE_SIZE);
}
return xdr->p != xdr->end;
}