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Subject[Patch v3 07/16] CIFS: When sending data on socket, pass the correct page offset
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From: Long Li <longli@microsoft.com>

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>
---
fs/cifs/transport.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index d6b5523..5c96ee8 100644
--- 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;
--
2.7.4
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