[Patch v2 6/6] cifs: smbd: Dump SMB packet when configured

From: Long Li
Date: Tue Apr 17 2018 - 15:19:03 EST


From: Long Li <longli@xxxxxxxxxxxxx>

When sending through SMB Direct, also dump the packet in SMB send path.

Also fixed a typo in debug message.

Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
fs/cifs/smbdirect.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index f575e9a..6ff864a 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -1029,7 +1029,7 @@ static int smbd_post_send(struct smbd_connection *info,
for (i = 0; i < request->num_sge; i++) {
log_rdma_send(INFO,
"rdma_request sge[%d] addr=%llu length=%u\n",
- i, request->sge[0].addr, request->sge[0].length);
+ i, request->sge[i].addr, request->sge[i].length);
ib_dma_sync_single_for_device(
info->id->device,
request->sge[i].addr,
@@ -2130,6 +2130,10 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst)
goto done;
}

+ cifs_dbg(FYI, "Sending smb (RDMA): smb_len=%u\n", buflen);
+ for (i = 0; i < rqst->rq_nvec-1; i++)
+ dump_smb(iov[i].iov_base, iov[i].iov_len);
+
remaining_data_length = buflen;

log_write(INFO, "rqst->rq_nvec=%d rqst->rq_npages=%d rq_pagesz=%d "
--
2.7.4