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-rw-r--r--fs/cifs/cifsglob.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index f15d7b0c123d..ae7f571a7dba 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -557,6 +557,8 @@ struct smb_version_values {
#define HEADER_SIZE(server) (server->vals->header_size)
#define MAX_HEADER_SIZE(server) (server->vals->max_header_size)
+#define HEADER_PREAMBLE_SIZE(server) (server->vals->header_preamble_size)
+#define MID_HEADER_SIZE(server) (HEADER_SIZE(server) - 1 - HEADER_PREAMBLE_SIZE(server))
/**
* CIFS superblock mount flags (mnt_cifs_flags) to consider when
@@ -750,6 +752,11 @@ struct TCP_Server_Info {
#endif
};
+static inline bool is_smb1(struct TCP_Server_Info *server)
+{
+ return HEADER_PREAMBLE_SIZE(server) != 0;
+}
+
static inline void cifs_server_lock(struct TCP_Server_Info *server)
{
unsigned int nofs_flag = memalloc_nofs_save();