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author | David Howells <dhowells@redhat.com> | 2007-04-26 15:55:03 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2007-04-26 15:55:03 -0700 |
commit | 08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb (patch) | |
tree | 1c4f7e91e20e56ff2ec755e988a6ee828b1a21c0 /fs/afs/afs.h | |
parent | 651350d10f93bed7003c9a66e24cf25e0f8eed3d (diff) | |
download | linux-3.10-08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb.tar.gz linux-3.10-08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb.tar.bz2 linux-3.10-08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb.zip |
[AF_RXRPC]: Make the in-kernel AFS filesystem use AF_RXRPC.
Make the in-kernel AFS filesystem use AF_RXRPC instead of the old RxRPC code.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/afs/afs.h')
-rw-r--r-- | fs/afs/afs.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/fs/afs/afs.h b/fs/afs/afs.h new file mode 100644 index 00000000000..b9d2d2ceaf4 --- /dev/null +++ b/fs/afs/afs.h @@ -0,0 +1,105 @@ +/* AFS common types + * + * Copyright (C) 2002, 2007 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_H +#define AFS_H + +#include <linux/in.h> + +typedef unsigned afs_volid_t; +typedef unsigned afs_vnodeid_t; +typedef unsigned long long afs_dataversion_t; + +typedef enum { + AFSVL_RWVOL, /* read/write volume */ + AFSVL_ROVOL, /* read-only volume */ + AFSVL_BACKVOL, /* backup volume */ +} __attribute__((packed)) afs_voltype_t; + +typedef enum { + AFS_FTYPE_INVALID = 0, + AFS_FTYPE_FILE = 1, + AFS_FTYPE_DIR = 2, + AFS_FTYPE_SYMLINK = 3, +} afs_file_type_t; + +/* + * AFS file identifier + */ +struct afs_fid { + afs_volid_t vid; /* volume ID */ + afs_vnodeid_t vnode; /* file index within volume */ + unsigned unique; /* unique ID number (file index version) */ +}; + +/* + * AFS callback notification + */ +typedef enum { + AFSCM_CB_UNTYPED = 0, /* no type set on CB break */ + AFSCM_CB_EXCLUSIVE = 1, /* CB exclusive to CM [not implemented] */ + AFSCM_CB_SHARED = 2, /* CB shared by other CM's */ + AFSCM_CB_DROPPED = 3, /* CB promise cancelled by file server */ +} afs_callback_type_t; + +struct afs_callback { + struct afs_fid fid; /* file identifier */ + unsigned version; /* callback version */ + unsigned expiry; /* time at which expires */ + afs_callback_type_t type; /* type of callback */ +}; + +#define AFSCBMAX 50 /* maximum callbacks transferred per bulk op */ + +/* + * AFS volume information + */ +struct afs_volume_info { + afs_volid_t vid; /* volume ID */ + afs_voltype_t type; /* type of this volume */ + afs_volid_t type_vids[5]; /* volume ID's for possible types for this vol */ + + /* list of fileservers serving this volume */ + size_t nservers; /* number of entries used in servers[] */ + struct { + struct in_addr addr; /* fileserver address */ + } servers[8]; +}; + +/* + * AFS file status information + */ +struct afs_file_status { + unsigned if_version; /* interface version */ +#define AFS_FSTATUS_VERSION 1 + + afs_file_type_t type; /* file type */ + unsigned nlink; /* link count */ + size_t size; /* file size */ + afs_dataversion_t data_version; /* current data version */ + unsigned author; /* author ID */ + unsigned owner; /* owner ID */ + unsigned caller_access; /* access rights for authenticated caller */ + unsigned anon_access; /* access rights for unauthenticated caller */ + umode_t mode; /* UNIX mode */ + struct afs_fid parent; /* parent file ID */ + time_t mtime_client; /* last time client changed data */ + time_t mtime_server; /* last time server changed data */ +}; + +/* + * AFS volume synchronisation information + */ +struct afs_volsync { + time_t creation; /* volume creation time */ +}; + +#endif /* AFS_H */ |