diff options
Diffstat (limited to 'include/net/9p/client.h')
| -rw-r--r-- | include/net/9p/client.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/net/9p/client.h b/include/net/9p/client.h index e52f93d9ac5..c936dd14de4 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -26,6 +26,23 @@ #ifndef NET_9P_CLIENT_H #define NET_9P_CLIENT_H +/** + * struct p9_client - per client instance state + * @lock: protect @fidlist + * @msize: maximum data size negotiated by protocol + * @dotu: extension flags negotiated by protocol + * @trans_mod: module API instantiated with this client + * @trans: tranport instance state and API + * @conn: connection state information used by trans_fd + * @fidpool: fid handle accounting for session + * @fidlist: List of active fid handles + * + * The client structure is used to keep track of various per-client + * state that has been instantiated. + * + * Bugs: duplicated data and potentially unnecessary elements. + */ + struct p9_client { spinlock_t lock; /* protect client structure */ int msize; @@ -38,6 +55,24 @@ struct p9_client { struct list_head fidlist; }; +/** + * struct p9_fid - file system entity handle + * @clnt: back pointer to instantiating &p9_client + * @fid: numeric identifier for this handle + * @mode: current mode of this fid (enum?) + * @qid: the &p9_qid server identifier this handle points to + * @iounit: the server reported maximum transaction size for this file + * @uid: the numeric uid of the local user who owns this handle + * @aux: transport specific information (unused?) + * @rdir_fpos: tracks offset of file position when reading directory contents + * @rdir_pos: (unused?) + * @rdir_fcall: holds response of last directory read request + * @flist: per-client-instance fid tracking + * @dlist: per-dentry fid tracking + * + * TODO: This needs lots of explanation. + */ + struct p9_fid { struct p9_client *clnt; u32 fid; |