summaryrefslogtreecommitdiff
path: root/fs/cifs/smb2pdu.c
diff options
context:
space:
mode:
authorPavel Shilovsky <pshilovsky@samba.org>2012-09-18 16:20:28 -0700
committerSteve French <smfrench@gmail.com>2012-09-24 21:46:27 -0500
commit7a5cfb1965854132f2f382eade8c6ce2eeb6f692 (patch)
tree93f982d31fbcf23418423319be26ca77b364f83c /fs/cifs/smb2pdu.c
parent1d8c4c0009deda22b436b1f0ab9f2885863717fc (diff)
CIFS: Add SMB2 support for flush
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r--fs/cifs/smb2pdu.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 231e9701ab85..ff374063f4e2 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1152,3 +1152,41 @@ SMB2_echo(struct TCP_Server_Info *server)
cifs_small_buf_release(req);
return rc;
}
+
+int
+SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
+ u64 volatile_fid)
+{
+ struct smb2_flush_req *req;
+ struct TCP_Server_Info *server;
+ struct cifs_ses *ses = tcon->ses;
+ struct kvec iov[1];
+ int resp_buftype;
+ int rc = 0;
+
+ cFYI(1, "Flush");
+
+ if (ses && (ses->server))
+ server = ses->server;
+ else
+ return -EIO;
+
+ rc = small_smb2_init(SMB2_FLUSH, tcon, (void **) &req);
+ if (rc)
+ return rc;
+
+ req->PersistentFileId = persistent_fid;
+ req->VolatileFileId = volatile_fid;
+
+ iov[0].iov_base = (char *)req;
+ /* 4 for rfc1002 length field */
+ iov[0].iov_len = get_rfc1002_length(req) + 4;
+
+ rc = SendReceive2(xid, ses, iov, 1, &resp_buftype, 0);
+
+ if ((rc != 0) && tcon)
+ cifs_stats_fail_inc(tcon, SMB2_FLUSH_HE);
+
+ free_rsp_buf(resp_buftype, iov[0].iov_base);
+ return rc;
+}