| 234,6 → 234,7 |
|---|
| mr_res.triplet.index = (fs_index_t) rindex; |
| mr_res.size = (size_t) rsize; |
| mr_res.lnkcnt = (unsigned) rlnkcnt; |
| mr_res.type = VFS_NODE_DIRECTORY; |
| |
| rootfs.fs_handle = fs_handle; |
| rootfs.dev_handle = dev_handle; |
| 302,6 → 303,16 |
|---|
| int mode = IPC_GET_ARG3(*request); |
| size_t len; |
| |
| /* |
| * Make sure that we are called with exactly one of L_FILE and |
| * L_DIRECTORY. |
| */ |
| if ((lflag & (L_FILE | L_DIRECTORY)) == 0 || |
| (lflag & (L_FILE | L_DIRECTORY)) == (L_FILE | L_DIRECTORY)) { |
| ipc_answer_0(rid, EINVAL); |
| return; |
| } |
| |
| if (oflag & O_CREAT) |
| lflag |= L_CREATE; |
| if (oflag & O_EXCL) |
| 456,7 → 467,7 |
|---|
| * the same open file at a time. |
| */ |
| futex_down(&file->lock); |
| |
| |
| /* |
| * Lock the file's node so that no other client can read/write to it at |
| * the same time. |
| 465,6 → 476,15 |
|---|
| rwlock_read_lock(&file->node->contents_rwlock); |
| else |
| rwlock_write_lock(&file->node->contents_rwlock); |
| |
| if (file->node->type == VFS_NODE_DIRECTORY) { |
| /* |
| * Make sure that no one is modifying the namespace |
| * while we are in readdir(). |
| */ |
| assert(read); |
| rwlock_read_lock(&namespace_rwlock); |
| } |
| |
| int fs_phone = vfs_grab_phone(file->node->fs_handle); |
| |
| 490,6 → 510,9 |
|---|
| ipcarg_t rc; |
| async_wait_for(msg, &rc); |
| size_t bytes = IPC_GET_ARG1(answer); |
| |
| if (file->node->type == VFS_NODE_DIRECTORY) |
| rwlock_read_unlock(&namespace_rwlock); |
| |
| /* Unlock the VFS node. */ |
| if (read) |