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

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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>
This commit is contained in:
Long Li 2018-05-30 12:47:59 -07:00 committed by Steve French
parent 7b7f2bdf82
commit e8157b2729
1 changed files with 6 additions and 8 deletions
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14
fs/cifs/transport.c
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@ -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;