diff options
Diffstat (limited to 'fs/afs/server.h')
-rw-r--r-- | fs/afs/server.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/fs/afs/server.h b/fs/afs/server.h deleted file mode 100644 index e1a006829b5..00000000000 --- a/fs/afs/server.h +++ /dev/null @@ -1,97 +0,0 @@ -/* AFS server record - * - * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef AFS_SERVER_H -#define AFS_SERVER_H - -#include "types.h" -#include "kafstimod.h" -#include <rxrpc/peer.h> -#include <linux/rwsem.h> - -extern spinlock_t afs_server_peer_lock; - -/* - * AFS server record - */ -struct afs_server { - atomic_t usage; - struct afs_cell *cell; /* cell in which server resides */ - struct list_head link; /* link in cell's server list */ - struct rw_semaphore sem; /* access lock */ - struct afs_timer timeout; /* graveyard timeout */ - struct in_addr addr; /* server address */ - struct rxrpc_peer *peer; /* peer record for this server */ - struct rxrpc_connection *vlserver; /* connection to the volume location service */ - - /* file service access */ -#define AFS_SERVER_CONN_LIST_SIZE 2 - struct rxrpc_connection *fs_conn[AFS_SERVER_CONN_LIST_SIZE]; /* FS connections */ - unsigned fs_conn_cnt[AFS_SERVER_CONN_LIST_SIZE]; /* per conn call count */ - struct list_head fs_callq; /* queue of processes waiting to make a call */ - spinlock_t fs_lock; /* access lock */ - int fs_state; /* 0 or reason FS currently marked dead (-errno) */ - unsigned fs_rtt; /* FS round trip time */ - unsigned long fs_act_jif; /* time at which last activity occurred */ - unsigned long fs_dead_jif; /* time at which no longer to be considered dead */ - - /* callback promise management */ - struct list_head cb_promises; /* as yet unbroken promises from this server */ - spinlock_t cb_lock; /* access lock */ -}; - -extern int afs_server_lookup(struct afs_cell *, const struct in_addr *, - struct afs_server **); - -#define afs_get_server(S) do { atomic_inc(&(S)->usage); } while(0) - -extern void afs_put_server(struct afs_server *); -extern void afs_server_do_timeout(struct afs_server *); - -extern int afs_server_find_by_peer(const struct rxrpc_peer *, - struct afs_server **); - -extern int afs_server_get_vlconn(struct afs_server *, - struct rxrpc_connection **); - -static inline -struct afs_server *afs_server_get_from_peer(struct rxrpc_peer *peer) -{ - struct afs_server *server; - - spin_lock(&afs_server_peer_lock); - server = peer->user; - if (server) - afs_get_server(server); - spin_unlock(&afs_server_peer_lock); - - return server; -} - -/* - * AFS server callslot grant record - */ -struct afs_server_callslot { - struct list_head link; /* link in server's list */ - struct task_struct *task; /* process waiting to make call */ - struct rxrpc_connection *conn; /* connection to use (or NULL on error) */ - short nconn; /* connection slot number (-1 on error) */ - char ready; /* T when ready */ - int errno; /* error number if nconn==-1 */ -}; - -extern int afs_server_request_callslot(struct afs_server *, - struct afs_server_callslot *); - -extern void afs_server_release_callslot(struct afs_server *, - struct afs_server_callslot *); - -#endif /* AFS_SERVER_H */ |