[Patch v2 09/19] CIFS: SMBD: Read data from SMBDirect

Long Li
2017-08-20T19:04:33Z

From: Long Li <longli@microsoft.com>

With SMBDirect connected, use it for receiving data via RDMA recv.

Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/connect.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f65950f..9b0da7f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -584,6 +584,10 @@ cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
{
struct msghdr smb_msg;
struct kvec iov = {.iov_base = buf, .iov_len = to_read};
+
+ if (server->smbd_conn)
+ return smbd_recv(server->smbd_conn, buf, to_read);
+
iov_iter_kvec(&smb_msg.msg_iter, READ | ITER_KVEC, &iov, 1, to_read);

return cifs_readv_from_socket(server, &smb_msg);
@@ -595,6 +599,10 @@ cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page,
{
struct msghdr smb_msg;
struct bio_vec bv = {.bv_page = page, .bv_len = to_read};
+
+ if (server->smbd_conn)
+ return smbd_recv_page(server->smbd_conn, page, to_read);
+
iov_iter_bvec(&smb_msg.msg_iter, READ | ITER_BVEC, &bv, 1, to_read);
return cifs_readv_from_socket(server, &smb_msg);
}
--
2.7.4