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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:19:53 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:19:53 +0200
commit064a32d82c20cdcb0119a8b316eb520608d8c647 (patch)
treec67d534bd4458b1482c11f11c724fe93beca4f80 /include/net/9p/client.h
parent0327318445d55808991a63137cfb698a90ab6adf (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/memtesttip-x86-memtest-2008-06-16_09.19_Mon
Diffstat (limited to 'include/net/9p/client.h')
-rw-r--r--include/net/9p/client.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index e52f93d9ac5f..c936dd14de41 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;