CIFS: When sending data on socket, pass the correct page offset

It's possible that the offset is non-zero in the page to send, change the
function to pass this offset to socket.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index d6cff1e..24887a0 100644 (file)
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -288,15 +288,13 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 
        /* now walk the page array and send each page in it */
        for (i = 0; i < rqst->rq_npages; i++) {
-               size_t len = i == rqst->rq_npages - 1
-                               ? rqst->rq_tailsz
-                               : rqst->rq_pagesz;
-               struct bio_vec bvec = {
-                       .bv_page = rqst->rq_pages[i],
-                       .bv_len = len
-               };
+               struct bio_vec bvec;
+
+               bvec.bv_page = rqst->rq_pages[i];
+               rqst_page_get_length(rqst, i, &bvec.bv_len, &bvec.bv_offset);
+
                iov_iter_bvec(&smb_msg.msg_iter, WRITE | ITER_BVEC,
-                             &bvec, 1, len);
+                             &bvec, 1, bvec.bv_len);
                rc = smb_send_kvec(server, &smb_msg, &sent);
                if (rc < 0)
                        break;