diff options
| -rw-r--r-- | libdiskfs/diskfs.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/libdiskfs/diskfs.h b/libdiskfs/diskfs.h index c80f8a28..f62ca32d 100644 --- a/libdiskfs/diskfs.h +++ b/libdiskfs/diskfs.h @@ -1,5 +1,5 @@ /* Definitions for fileserver helper functions - Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as @@ -54,8 +54,13 @@ struct peropen int lock_status; int refcnt; int openstat; - mach_port_t dotdotport; /* dotdot from ROOT through this peropen */ + struct node *np; + + mach_port_t dotdotport; /* dotdot from ROOT through this peropen */ + unsigned depth; /* How many levels there are between + DOTDOTPORT and us; if DEPTH == 0, + DOTDOTPORT is our parent. */ }; /* A unique one of these exists for each node currently in use (and @@ -780,6 +785,10 @@ struct node *diskfs_make_node (struct disknode *dn); locked, so don't lock it or add a reference to it. (SPEC_DOTDOT will not be given with CREATE.) + DEPTH is the number of nodes between DP and the filesystem root. + If NEW_DEPTH is non-zero, then for a non-error return, the depth of the + resulting node NP is returned in it. + Return ENOTDIR if DP is not a directory. Return EACCES if CRED isn't allowed to search DP. Return EACCES if completing the operation will require writing @@ -792,7 +801,8 @@ struct node *diskfs_make_node (struct disknode *dn); */ error_t diskfs_lookup (struct node *dp, char *name, enum lookup_type type, struct node **np, struct dirstat *ds, - struct protid *cred); + struct protid *cred, + unsigned depth, unsigned *new_depth); /* Add NP to directory DP under the name NAME. This will only be called after an unsuccessful call to diskfs_lookup of type CREATE @@ -856,7 +866,7 @@ void diskfs_finish_protid (struct protid *cred, struct iouser *user); /* Create and return a new peropen structure on node NP with open flags FLAGS. */ struct peropen *diskfs_make_peropen (struct node *np, int flags, - mach_port_t dotdotnode); + mach_port_t dotdotnode, unsigned depth); /* Called when a protid CRED has no more references. (Because references\ to protids are maintained by the port management library, this is |