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| 171 | #define L_DESTROY 16 |
171 | #define L_DESTROY 16 |
| 172 | 172 | ||
| 173 | typedef struct { |
173 | typedef struct { |
| 174 | vfs_triplet_t triplet; |
174 | vfs_triplet_t triplet; |
| 175 | size_t size; |
175 | size_t size; |
| - | 176 | unsigned lnkcnt; |
|
| 176 | } vfs_lookup_res_t; |
177 | } vfs_lookup_res_t; |
| 177 | 178 | ||
| 178 | /** |
179 | /** |
| 179 | * Instances of this type represent an active, in-memory VFS node and any state |
180 | * Instances of this type represent an active, in-memory VFS node and any state |
| 180 | * which may be associated with it. |
181 | * which may be associated with it. |
| 181 | */ |
182 | */ |
| 182 | typedef struct { |
183 | typedef struct { |
| 183 | VFS_TRIPLET; /**< Identity of the node. */ |
184 | VFS_TRIPLET; /**< Identity of the node. */ |
| - | 185 | ||
| - | 186 | /** |
|
| - | 187 | * Usage counter. This includes, but is not limited to, all vfs_file_t |
|
| - | 188 | * structures that reference this node. |
|
| - | 189 | */ |
|
| 184 | unsigned refcnt; /**< Usage counter. */ |
190 | unsigned refcnt; |
| - | 191 | ||
| - | 192 | /** Number of names this node has in the file system namespace. */ |
|
| - | 193 | unsigned lnkcnt; |
|
| - | 194 | ||
| 185 | link_t nh_link; /**< Node hash-table link. */ |
195 | link_t nh_link; /**< Node hash-table link. */ |
| 186 | size_t size; /**< Cached size of the file. */ |
196 | size_t size; /**< Cached size of the file. */ |
| 187 | 197 | ||
| 188 | /** |
198 | /** |
| 189 | * Holding this rwlock prevents modifications of the node's contents. |
199 | * Holding this rwlock prevents modifications of the node's contents. |