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| Rev 2687 | Rev 2688 | ||
|---|---|---|---|
| Line 183... | Line 183... | ||
| 183 | futex_down(&rootfs_futex); |
183 | futex_down(&rootfs_futex); |
| 184 | if (rootfs.fs_handle) { |
184 | if (rootfs.fs_handle) { |
| 185 | /* |
185 | /* |
| 186 | * We already have the root FS. |
186 | * We already have the root FS. |
| 187 | */ |
187 | */ |
| 188 | rwlock_writer_lock(&namespace_rwlock); |
188 | rwlock_write_lock(&namespace_rwlock); |
| 189 | rc = vfs_lookup_internal(buf, size, &mp, &mpsz, NULL); |
189 | rc = vfs_lookup_internal(buf, size, &mp, &mpsz, NULL); |
| 190 | if (rc != EOK) { |
190 | if (rc != EOK) { |
| 191 | /* |
191 | /* |
| 192 | * The lookup failed for some reason. |
192 | * The lookup failed for some reason. |
| 193 | */ |
193 | */ |
| 194 | rwlock_writer_unlock(&namespace_rwlock); |
194 | rwlock_write_unlock(&namespace_rwlock); |
| 195 | futex_up(&rootfs_futex); |
195 | futex_up(&rootfs_futex); |
| 196 | vfs_node_put(mr_node); /* failed -> drop reference */ |
196 | vfs_node_put(mr_node); /* failed -> drop reference */ |
| 197 | free(buf); |
197 | free(buf); |
| 198 | ipc_answer_0(rid, rc); |
198 | ipc_answer_0(rid, rc); |
| 199 | return; |
199 | return; |
| 200 | } |
200 | } |
| 201 | mp_node = vfs_node_get(&mp, mpsz); |
201 | mp_node = vfs_node_get(&mp, mpsz); |
| 202 | if (!mp_node) { |
202 | if (!mp_node) { |
| 203 | rwlock_writer_unlock(&namespace_rwlock); |
203 | rwlock_write_unlock(&namespace_rwlock); |
| 204 | futex_up(&rootfs_futex); |
204 | futex_up(&rootfs_futex); |
| 205 | vfs_node_put(mr_node); /* failed -> drop reference */ |
205 | vfs_node_put(mr_node); /* failed -> drop reference */ |
| 206 | free(buf); |
206 | free(buf); |
| 207 | ipc_answer_0(rid, ENOMEM); |
207 | ipc_answer_0(rid, ENOMEM); |
| 208 | return; |
208 | return; |
| Line 210... | Line 210... | ||
| 210 | /* |
210 | /* |
| 211 | * Now we hold a reference to mp_node. |
211 | * Now we hold a reference to mp_node. |
| 212 | * It will be dropped upon the corresponding VFS_UNMOUNT. |
212 | * It will be dropped upon the corresponding VFS_UNMOUNT. |
| 213 | * This prevents the mount point from being deleted. |
213 | * This prevents the mount point from being deleted. |
| 214 | */ |
214 | */ |
| 215 | rwlock_writer_unlock(&namespace_rwlock); |
215 | rwlock_write_unlock(&namespace_rwlock); |
| 216 | } else { |
216 | } else { |
| 217 | /* |
217 | /* |
| 218 | * We still don't have the root file system mounted. |
218 | * We still don't have the root file system mounted. |
| 219 | */ |
219 | */ |
| 220 | if ((size == 1) && (buf[0] == '/')) { |
220 | if ((size == 1) && (buf[0] == '/')) { |