diff options
Diffstat (limited to 'libdiskfs')
| -rw-r--r-- | libdiskfs/diskfs.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libdiskfs/diskfs.h b/libdiskfs/diskfs.h index f62ca32d..e92158f4 100644 --- a/libdiskfs/diskfs.h +++ b/libdiskfs/diskfs.h @@ -57,10 +57,13 @@ struct 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. */ + /* The parent of the translator's root node. */ + mach_port_t root_parent; + + /* If this node is in a shadow tree, the parent of its root. */ + mach_port_t shadow_root_parent; + /* If in a shadow tree, its root node in this translator. */ + struct node *shadow_root; }; /* A unique one of these exists for each node currently in use (and @@ -785,10 +788,6 @@ 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 @@ -801,8 +800,7 @@ 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, - unsigned depth, unsigned *new_depth); + struct protid *cred); /* Add NP to directory DP under the name NAME. This will only be called after an unsuccessful call to diskfs_lookup of type CREATE @@ -864,9 +862,11 @@ error_t diskfs_start_protid (struct peropen *po, struct protid **cred); void diskfs_finish_protid (struct protid *cred, struct iouser *user); /* Create and return a new peropen structure on node NP with open - flags FLAGS. */ + flags FLAGS. The initial values for the root_parent, shadow_root, and + shadow_root_parent fields are copied from CONTEXT if it's non-zero, + otherwise zerod. */ struct peropen *diskfs_make_peropen (struct node *np, int flags, - mach_port_t dotdotnode, unsigned depth); + struct peropen *context); /* Called when a protid CRED has no more references. (Because references\ to protids are maintained by the port management library, this is |