HCoop / hcoop / debian / openafs.git / blame
| Commit | Line | Data |
|---|---|---|
| 805e021f CE |
1 | /* |
| 2 | * Copyright 2000, International Business Machines Corporation and others. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This software has been released under the terms of the IBM Public | |
| 6 | * License. For details, see the LICENSE file in the top-level source | |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html | |
| 8 | */ | |
| 9 | ||
| 10 | /* | |
| 11 | * Vnode numbers in dynroot are composed of a type field (upper 8 bits) | |
| 12 | * and a type-specific identifier in the lower 24 bits. | |
| 13 | */ | |
| 14 | #define VN_TYPE_CELL 0x01 /* Corresponds to a struct cell */ | |
| 15 | #define VN_TYPE_ALIAS 0x02 /* Corresponds to a struct cell_alias */ | |
| 16 | #define VN_TYPE_SYMLINK 0x03 /* User-created symlink in /afs */ | |
| 17 | #define VN_TYPE_MOUNT 0x04 /* Mount point by volume ID */ | |
| 18 | ||
| 19 | #define VNUM_TO_VNTYPE(vnum) ((vnum) >> 24) | |
| 20 | #define VNUM_TO_VNID(vnum) ((vnum) & 0x00ffffff) | |
| 21 | #define VNUM_FROM_TYPEID(type, id) \ | |
| 22 | ((type) << 24 | (id)) | |
| 23 | #define VNUM_TO_CIDX(vnum) (VNUM_TO_VNID(vnum) >> 2) | |
| 24 | #define VNUM_TO_RW(vnum) (VNUM_TO_VNID(vnum) >> 1 & 1) | |
| 25 | #define VNUM_FROM_CIDX_RW(cidx, rw) \ | |
| 26 | VNUM_FROM_TYPEID(VN_TYPE_CELL, \ | |
| 27 | ((cidx) << 2 | (rw) << 1)) | |
| 28 | #define VNUM_FROM_CAIDX_RW(caidx, rw) \ | |
| 29 | VNUM_FROM_TYPEID(VN_TYPE_ALIAS, \ | |
| 30 | ((caidx) << 2 | (rw) << 1)) | |
| 31 | ||
| 32 | #define AFS_DYNROOT_MOUNTNAME ".:mount" |