From: Stefan Metzmacher metze@samba.org
commit d643a8a446fc46c06837d08a056f69da2ff16025 upstream.
This will simplify the following changes and makes it easy to get in passed in from the caller in future.
Signed-off-by: Stefan Metzmacher metze@samba.org Cc: Steve French smfrench@gmail.com Cc: Tom Talpey tom@talpey.com Cc: Long Li longli@microsoft.com Cc: Namjae Jeon linkinjeon@kernel.org Cc: David Howells dhowells@redhat.com Cc: linux-cifs@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/cifs/smb2pdu.c | 53 +++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 39 insertions(+), 14 deletions(-)
--- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -4504,10 +4504,27 @@ smb2_async_writev(struct cifs_writedata struct kvec iov[1]; struct smb_rqst rqst = { }; unsigned int total_len; + struct cifs_io_parms _io_parms; + struct cifs_io_parms *io_parms = NULL;
if (!wdata->server) server = wdata->server = cifs_pick_channel(tcon->ses);
+ /* + * in future we may get cifs_io_parms passed in from the caller, + * but for now we construct it here... + */ + _io_parms = (struct cifs_io_parms) { + .tcon = tcon, + .server = server, + .offset = wdata->offset, + .length = wdata->bytes, + .persistent_fid = wdata->cfile->fid.persistent_fid, + .volatile_fid = wdata->cfile->fid.volatile_fid, + .pid = wdata->pid, + }; + io_parms = &_io_parms; + rc = smb2_plain_req_init(SMB2_WRITE, tcon, server, (void **) &req, &total_len); if (rc) @@ -4517,26 +4534,31 @@ smb2_async_writev(struct cifs_writedata flags |= CIFS_TRANSFORM_REQ;
shdr = (struct smb2_hdr *)req; - shdr->Id.SyncId.ProcessId = cpu_to_le32(wdata->cfile->pid); + shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid);
- req->PersistentFileId = wdata->cfile->fid.persistent_fid; - req->VolatileFileId = wdata->cfile->fid.volatile_fid; + req->PersistentFileId = io_parms->persistent_fid; + req->VolatileFileId = io_parms->volatile_fid; req->WriteChannelInfoOffset = 0; req->WriteChannelInfoLength = 0; req->Channel = 0; - req->Offset = cpu_to_le64(wdata->offset); + req->Offset = cpu_to_le64(io_parms->offset); req->DataOffset = cpu_to_le16( offsetof(struct smb2_write_req, Buffer)); req->RemainingBytes = 0;
- trace_smb3_write_enter(0 /* xid */, wdata->cfile->fid.persistent_fid, - tcon->tid, tcon->ses->Suid, wdata->offset, wdata->bytes); + trace_smb3_write_enter(0 /* xid */, + io_parms->persistent_fid, + io_parms->tcon->tid, + io_parms->tcon->ses->Suid, + io_parms->offset, + io_parms->length); + #ifdef CONFIG_CIFS_SMB_DIRECT /* * If we want to do a server RDMA read, fill in and append * smbd_buffer_descriptor_v1 to the end of write request */ - if (server->rdma && !server->sign && wdata->bytes >= + if (server->rdma && !server->sign && io_parms->length >= server->smbd_conn->rdma_readwrite_threshold) {
struct smbd_buffer_descriptor_v1 *v1; @@ -4590,14 +4612,14 @@ smb2_async_writev(struct cifs_writedata } #endif cifs_dbg(FYI, "async write at %llu %u bytes\n", - wdata->offset, wdata->bytes); + io_parms->offset, io_parms->length);
#ifdef CONFIG_CIFS_SMB_DIRECT /* For RDMA read, I/O size is in RemainingBytes not in Length */ if (!wdata->mr) - req->Length = cpu_to_le32(wdata->bytes); + req->Length = cpu_to_le32(io_parms->length); #else - req->Length = cpu_to_le32(wdata->bytes); + req->Length = cpu_to_le32(io_parms->length); #endif
if (wdata->credits.value > 0) { @@ -4605,7 +4627,7 @@ smb2_async_writev(struct cifs_writedata SMB2_MAX_BUFFER_SIZE)); shdr->CreditRequest = cpu_to_le16(le16_to_cpu(shdr->CreditCharge) + 8);
- rc = adjust_credits(server, &wdata->credits, wdata->bytes); + rc = adjust_credits(server, &wdata->credits, io_parms->length); if (rc) goto async_writev_out;
@@ -4618,9 +4640,12 @@ smb2_async_writev(struct cifs_writedata
if (rc) { trace_smb3_write_err(0 /* no xid */, - req->PersistentFileId, - tcon->tid, tcon->ses->Suid, wdata->offset, - wdata->bytes, rc); + io_parms->persistent_fid, + io_parms->tcon->tid, + io_parms->tcon->ses->Suid, + io_parms->offset, + io_parms->length, + rc); kref_put(&wdata->refcount, release); cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); }