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| Rev 2587 | Rev 2588 | ||
|---|---|---|---|
| Line 84... | Line 84... | ||
| 84 | */ |
84 | */ |
| 85 | ipc_callid_t callid; |
85 | ipc_callid_t callid; |
| 86 | ipc_call_t call; |
86 | ipc_call_t call; |
| 87 | size_t size; |
87 | size_t size; |
| 88 | if (!ipc_data_receive(&callid, &call, NULL, &size)) { |
88 | if (!ipc_data_receive(&callid, &call, NULL, &size)) { |
| 89 | ipc_answer_fast(callid, EINVAL, 0, 0); |
89 | ipc_answer_fast_0(callid, EINVAL); |
| 90 | ipc_answer_fast(rid, EINVAL, 0, 0); |
90 | ipc_answer_fast_0(rid, EINVAL); |
| 91 | return; |
91 | return; |
| 92 | } |
92 | } |
| 93 | 93 | ||
| 94 | /* |
94 | /* |
| 95 | * There is no sense in receiving data that can't hold a single |
95 | * There is no sense in receiving data that can't hold a single |
| 96 | * character of path. We won't accept data that exceed certain limits |
96 | * character of path. We won't accept data that exceed certain limits |
| 97 | * either. |
97 | * either. |
| 98 | */ |
98 | */ |
| 99 | if ((size < FS_NAME_MAXLEN + 1) || |
99 | if ((size < FS_NAME_MAXLEN + 1) || |
| 100 | (size > FS_NAME_MAXLEN + MAX_PATH_LEN)) { |
100 | (size > FS_NAME_MAXLEN + MAX_PATH_LEN)) { |
| 101 | ipc_answer_fast(callid, EINVAL, 0, 0); |
101 | ipc_answer_fast_0(callid, EINVAL); |
| 102 | ipc_answer_fast(rid, EINVAL, 0, 0); |
102 | ipc_answer_fast_0(rid, EINVAL); |
| 103 | return; |
103 | return; |
| 104 | } |
104 | } |
| 105 | 105 | ||
| 106 | /* |
106 | /* |
| 107 | * Allocate buffer for the data being received. |
107 | * Allocate buffer for the data being received. |
| 108 | */ |
108 | */ |
| 109 | uint8_t *buf; |
109 | uint8_t *buf; |
| 110 | buf = malloc(size); |
110 | buf = malloc(size); |
| 111 | if (!buf) { |
111 | if (!buf) { |
| 112 | ipc_answer_fast(callid, ENOMEM, 0, 0); |
112 | ipc_answer_fast_0(callid, ENOMEM); |
| 113 | ipc_answer_fast(rid, ENOMEM, 0, 0); |
113 | ipc_answer_fast_0(rid, ENOMEM); |
| 114 | return; |
114 | return; |
| 115 | } |
115 | } |
| 116 | 116 | ||
| 117 | /* |
117 | /* |
| 118 | * Deliver the data. |
118 | * Deliver the data. |
| Line 128... | Line 128... | ||
| 128 | * This will also give us its file system handle. |
128 | * This will also give us its file system handle. |
| 129 | */ |
129 | */ |
| 130 | int fs_handle = fs_name_to_handle(fs_name, true); |
130 | int fs_handle = fs_name_to_handle(fs_name, true); |
| 131 | if (!fs_handle) { |
131 | if (!fs_handle) { |
| 132 | free(buf); |
132 | free(buf); |
| 133 | ipc_answer_fast(rid, ENOENT, 0, 0); |
133 | ipc_answer_fast_0(rid, ENOENT); |
| 134 | return; |
134 | return; |
| 135 | } |
135 | } |
| 136 | 136 | ||
| 137 | /* |
137 | /* |
| 138 | * Lookup the root node of the filesystem being mounted. |
138 | * Lookup the root node of the filesystem being mounted. |
| Line 140... | Line 140... | ||
| 140 | int rc; |
140 | int rc; |
| 141 | vfs_triplet_t mounted_root; |
141 | vfs_triplet_t mounted_root; |
| 142 | rc = lookup_root(fs_handle, dev_handle, &mounted_root); |
142 | rc = lookup_root(fs_handle, dev_handle, &mounted_root); |
| 143 | if (rc != EOK) { |
143 | if (rc != EOK) { |
| 144 | free(buf); |
144 | free(buf); |
| 145 | ipc_answer_fast(rid, rc, 0, 0); |
145 | ipc_answer_fast_0(rid, rc); |
| 146 | return; |
146 | return; |
| 147 | } |
147 | } |
| 148 | 148 | ||
| 149 | /* |
149 | /* |
| 150 | * Finally, we need to resolve the path to the mountpoint. |
150 | * Finally, we need to resolve the path to the mountpoint. |
| Line 161... | Line 161... | ||
| 161 | /* |
161 | /* |
| 162 | * The lookup failed for some reason. |
162 | * The lookup failed for some reason. |
| 163 | */ |
163 | */ |
| 164 | futex_up(&rootfs_futex); |
164 | futex_up(&rootfs_futex); |
| 165 | free(buf); |
165 | free(buf); |
| 166 | ipc_answer_fast(rid, rc, 0, 0); |
166 | ipc_answer_fast_0(rid, rc); |
| 167 | return; |
167 | return; |
| 168 | } |
168 | } |
| 169 | } else { |
169 | } else { |
| 170 | /* |
170 | /* |
| 171 | * We still don't have the root file system mounted. |
171 | * We still don't have the root file system mounted. |
| Line 176... | Line 176... | ||
| 176 | * For this simple, but important case, we are done. |
176 | * For this simple, but important case, we are done. |
| 177 | */ |
177 | */ |
| 178 | rootfs = mounted_root; |
178 | rootfs = mounted_root; |
| 179 | futex_up(&rootfs_futex); |
179 | futex_up(&rootfs_futex); |
| 180 | free(buf); |
180 | free(buf); |
| 181 | ipc_answer_fast(rid, EOK, 0, 0); |
181 | ipc_answer_fast_0(rid, EOK); |
| 182 | return; |
182 | return; |
| 183 | } else { |
183 | } else { |
| 184 | /* |
184 | /* |
| 185 | * We can't resolve this without the root filesystem |
185 | * We can't resolve this without the root filesystem |
| 186 | * being mounted first. |
186 | * being mounted first. |
| 187 | */ |
187 | */ |
| 188 | futex_up(&rootfs_futex); |
188 | futex_up(&rootfs_futex); |
| 189 | free(buf); |
189 | free(buf); |
| 190 | ipc_answer_fast(rid, ENOENT, 0, 0); |
190 | ipc_answer_fast_0(rid, ENOENT); |
| 191 | return; |
191 | return; |
| 192 | } |
192 | } |
| 193 | } |
193 | } |
| 194 | futex_up(&rootfs_futex); |
194 | futex_up(&rootfs_futex); |
| 195 | 195 | ||
| Line 216... | Line 216... | ||
| 216 | async_wait_for(req1, &rc1); |
216 | async_wait_for(req1, &rc1); |
| 217 | async_wait_for(req2, &rc2); |
217 | async_wait_for(req2, &rc2); |
| 218 | vfs_release_phone(phone); |
218 | vfs_release_phone(phone); |
| 219 | 219 | ||
| 220 | if (rc2 == EOK) |
220 | if (rc2 == EOK) |
| 221 | ipc_answer_fast(rid, rc1, 0, 0); |
221 | ipc_answer_fast_0(rid, rc1); |
| 222 | else if (rc1 == EOK) |
222 | else if (rc1 == EOK) |
| 223 | ipc_answer_fast(rid, rc2, 0, 0); |
223 | ipc_answer_fast_0(rid, rc2); |
| 224 | else |
224 | else |
| 225 | ipc_answer_fast(rid, rc1, 0, 0); |
225 | ipc_answer_fast_0(rid, rc1); |
| 226 | } |
226 | } |
| 227 | 227 | ||
| 228 | /** |
228 | /** |
| 229 | * @} |
229 | * @} |
| 230 | */ |
230 | */ |