CIFS: Add readpage support for SMB2

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index da31235023fb..fb289d2abae7 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -393,6 +393,17 @@ smb2_read_data_length(char *buf)
         return le32_to_cpu(rsp->DataLength);
 }
 
+
+static int
+smb2_sync_read(const unsigned int xid, struct cifsFileInfo *cfile,
+               struct cifs_io_parms *parms, unsigned int *bytes_read,
+               char **buf, int *buf_type)
+{
+        parms->persistent_fid = cfile->fid.persistent_fid;
+        parms->volatile_fid = cfile->fid.volatile_fid;
+        return SMB2_read(xid, parms, bytes_read, buf, buf_type);
+}
+
 struct smb_version_operations smb21_operations = {
         .setup_request = smb2_setup_request,
         .setup_async_request = smb2_setup_async_request,
@@ -435,6 +446,7 @@ struct smb_version_operations smb21_operations = {
         .flush = smb2_flush_file,
         .async_readv = smb2_async_readv,
         .async_writev = smb2_async_writev,
+        .sync_read = smb2_sync_read,
 };
 
 struct smb_version_values smb21_values = {