diff options
Diffstat (limited to 'fs/cifs/cifs_swn.h')
| -rw-r--r-- | fs/cifs/cifs_swn.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/fs/cifs/cifs_swn.h b/fs/cifs/cifs_swn.h new file mode 100644 index 000000000000..8a9d2a5c9077 --- /dev/null +++ b/fs/cifs/cifs_swn.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Witness Service client for CIFS + * + * Copyright (c) 2020 Samuel Cabrero <scabrero@suse.de> + */ + +#ifndef _CIFS_SWN_H +#define _CIFS_SWN_H +#include "cifsglob.h" + +struct cifs_tcon; +struct sk_buff; +struct genl_info; + +#ifdef CONFIG_CIFS_SWN_UPCALL +extern int cifs_swn_register(struct cifs_tcon *tcon); + +extern int cifs_swn_unregister(struct cifs_tcon *tcon); + +extern int cifs_swn_notify(struct sk_buff *skb, struct genl_info *info); + +extern void cifs_swn_dump(struct seq_file *m); + +extern void cifs_swn_check(void); + +static inline bool cifs_swn_set_server_dstaddr(struct TCP_Server_Info *server) +{ + if (server->use_swn_dstaddr) { + server->dstaddr = server->swn_dstaddr; + return true; + } + return false; +} + +static inline void cifs_swn_reset_server_dstaddr(struct TCP_Server_Info *server) +{ + server->use_swn_dstaddr = false; +} + +#else + +static inline int cifs_swn_register(struct cifs_tcon *tcon) { return 0; } +static inline int cifs_swn_unregister(struct cifs_tcon *tcon) { return 0; } +static inline int cifs_swn_notify(struct sk_buff *s, struct genl_info *i) { return 0; } +static inline void cifs_swn_dump(struct seq_file *m) {} +static inline void cifs_swn_check(void) {} +static inline bool cifs_swn_set_server_dstaddr(struct TCP_Server_Info *server) { return false; } +static inline void cifs_swn_reset_server_dstaddr(struct TCP_Server_Info *server) {} + +#endif /* CONFIG_CIFS_SWN_UPCALL */ +#endif /* _CIFS_SWN_H */ |