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authorDavid Howells <dhowells@redhat.com>2007-04-26 15:55:03 -0700
committerDavid S. Miller <davem@davemloft.net>2007-04-26 15:55:03 -0700
commit08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb (patch)
tree1c4f7e91e20e56ff2ec755e988a6ee828b1a21c0 /fs/afs/afs.h
parent651350d10f93bed7003c9a66e24cf25e0f8eed3d (diff)
downloadop-kernel-dev-08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb.zip
op-kernel-dev-08e0e7c82eeadec6f4871a386b86bf0f0fbcb4eb.tar.gz
[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.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/fs/afs/afs.h b/fs/afs/afs.h
new file mode 100644
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+++ b/fs/afs/afs.h
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+/* 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 */
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