nfsd4: read encoding cleanup

Trivial cleanup, no change in functionality.

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

1 files changed, 14 insertions, 13 deletions

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index bad762b6cf10..addb93bf03b7 100644
--- 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;