nfsd4: read encoding cleanup

Trivial cleanup, no change in functionality.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index bad762b..addb93b 100644 (file)
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3075,6 +3075,7 @@ static __be32 nfsd4_encode_splice_read(
                                struct file *file, unsigned long maxcount)
 {
        struct xdr_stream *xdr = &resp->xdr;
+       struct xdr_buf *buf = xdr->buf;
        u32 eof;
        int starting_len = xdr->buf->len - 8;
        int space_left;
@@ -3097,7 +3098,7 @@ static __be32 nfsd4_encode_splice_read(
                 * page length; reset it so as not to confuse
                 * xdr_truncate_encode:
                 */
-               xdr->buf->page_len = 0;
+               buf->page_len = 0;
                return nfserr;
        }
 
@@ -3105,29 +3106,29 @@ static __be32 nfsd4_encode_splice_read(
               read->rd_fhp->fh_dentry->d_inode->i_size);
 
        tmp = htonl(eof);
-       write_bytes_to_xdr_buf(xdr->buf, starting_len    , &tmp, 4);
+       write_bytes_to_xdr_buf(buf, starting_len    , &tmp, 4);
        tmp = htonl(maxcount);
-       write_bytes_to_xdr_buf(xdr->buf, starting_len + 4, &tmp, 4);
+       write_bytes_to_xdr_buf(buf, starting_len + 4, &tmp, 4);
 
-       resp->xdr.buf->page_len = maxcount;
-       xdr->buf->len += maxcount;
+       buf->page_len = maxcount;
+       buf->len += maxcount;
        xdr->page_ptr += (maxcount + PAGE_SIZE - 1) / PAGE_SIZE;
-       xdr->iov = xdr->buf->tail;
+       xdr->iov = buf->tail;
 
        /* Use rest of head for padding and remaining ops: */
-       resp->xdr.buf->tail[0].iov_base = xdr->p;
-       resp->xdr.buf->tail[0].iov_len = 0;
+       buf->tail[0].iov_base = xdr->p;
+       buf->tail[0].iov_len = 0;
        if (maxcount&3) {
                p = xdr_reserve_space(xdr, 4);
                WRITE32(0);
-               resp->xdr.buf->tail[0].iov_base += maxcount&3;
-               resp->xdr.buf->tail[0].iov_len = 4 - (maxcount&3);
-               xdr->buf->len -= (maxcount&3);
+               buf->tail[0].iov_base += maxcount&3;
+               buf->tail[0].iov_len = 4 - (maxcount&3);
+               buf->len -= (maxcount&3);
        }
 
        space_left = min_t(int, (void *)xdr->end - (void *)xdr->p,
-                               xdr->buf->buflen - xdr->buf->len);
-       xdr->buf->buflen = xdr->buf->len + space_left;
+                               buf->buflen - buf->len);
+       buf->buflen = buf->len + space_left;
        xdr->end = (__be32 *)((void *)xdr->end + space_left);
 
        return 0;