Changes in uspace/srv/vfs/vfs_ops.c [1e4cada:dd2cfa7] in mainline
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uspace/srv/vfs/vfs_ops.c
r1e4cada rdd2cfa7 44 44 #include <string.h> 45 45 #include <bool.h> 46 #include <fibril_sync h.h>46 #include <fibril_sync.h> 47 47 #include <adt/list.h> 48 48 #include <unistd.h> … … 125 125 (ipcarg_t) dev_handle, &answer); 126 126 /* send the mount options */ 127 rc = async_data_write_start(phone, (void *)opts,127 rc = ipc_data_write_start(phone, (void *)opts, 128 128 str_size(opts)); 129 129 if (rc != EOK) { … … 207 207 208 208 /* send the mount options */ 209 rc = async_data_write_start(phone, (void *)opts, str_size(opts));209 rc = ipc_data_write_start(phone, (void *)opts, str_size(opts)); 210 210 if (rc != EOK) { 211 211 async_wait_for(msg, NULL); … … 268 268 ipc_callid_t callid; 269 269 size_t size; 270 if (! async_data_write_receive(&callid, &size)) {270 if (!ipc_data_write_receive(&callid, &size)) { 271 271 ipc_answer_0(callid, EINVAL); 272 272 ipc_answer_0(rid, EINVAL); … … 290 290 291 291 /* Deliver the mount point. */ 292 ipcarg_t retval = async_data_write_finalize(callid, mp, size);292 ipcarg_t retval = ipc_data_write_finalize(callid, mp, size); 293 293 if (retval != EOK) { 294 294 ipc_answer_0(rid, retval); … … 299 299 300 300 /* Now we expect to receive the mount options. */ 301 if (! async_data_write_receive(&callid, &size)) {301 if (!ipc_data_write_receive(&callid, &size)) { 302 302 ipc_answer_0(callid, EINVAL); 303 303 ipc_answer_0(rid, EINVAL); … … 324 324 325 325 /* Deliver the mount options. */ 326 retval = async_data_write_finalize(callid, opts, size);326 retval = ipc_data_write_finalize(callid, opts, size); 327 327 if (retval != EOK) { 328 328 ipc_answer_0(rid, retval); … … 337 337 * system. 338 338 */ 339 if (! async_data_write_receive(&callid, &size)) {339 if (!ipc_data_write_receive(&callid, &size)) { 340 340 ipc_answer_0(callid, EINVAL); 341 341 ipc_answer_0(rid, EINVAL); … … 370 370 371 371 /* Deliver the file system name. */ 372 retval = async_data_write_finalize(callid, fs_name, size);372 retval = ipc_data_write_finalize(callid, fs_name, size); 373 373 if (retval != EOK) { 374 374 ipc_answer_0(rid, retval); … … 469 469 470 470 ipc_callid_t callid; 471 if (! async_data_write_receive(&callid, &len)) {471 if (!ipc_data_write_receive(&callid, &len)) { 472 472 ipc_answer_0(callid, EINVAL); 473 473 ipc_answer_0(rid, EINVAL); … … 483 483 484 484 int rc; 485 if ((rc = async_data_write_finalize(callid, path, len))) {485 if ((rc = ipc_data_write_finalize(callid, path, len))) { 486 486 ipc_answer_0(rid, rc); 487 487 free(path); … … 543 543 * structure. 544 544 */ 545 int fd = vfs_fd_alloc( (oflag & O_DESC) != 0);545 int fd = vfs_fd_alloc(); 546 546 if (fd < 0) { 547 547 vfs_node_put(node); … … 620 620 * structure. 621 621 */ 622 int fd = vfs_fd_alloc( (oflag & O_DESC) != 0);622 int fd = vfs_fd_alloc(); 623 623 if (fd < 0) { 624 624 vfs_node_put(node); … … 679 679 } 680 680 681 static int vfs_close_internal(vfs_file_t *file)682 {683 /*684 * Lock the open file structure so that no other thread can manipulate685 * the same open file at a time.686 */687 fibril_mutex_lock(&file->lock);688 689 if (file->refcnt <= 1) {690 /* Only close the file on the destination FS server691 if there are no more file descriptors (except the692 present one) pointing to this file. */693 694 int fs_phone = vfs_grab_phone(file->node->fs_handle);695 696 /* Make a VFS_OUT_CLOSE request at the destination FS server. */697 aid_t msg;698 ipc_call_t answer;699 msg = async_send_2(fs_phone, VFS_OUT_CLOSE, file->node->dev_handle,700 file->node->index, &answer);701 702 /* Wait for reply from the FS server. */703 ipcarg_t rc;704 async_wait_for(msg, &rc);705 706 vfs_release_phone(fs_phone);707 fibril_mutex_unlock(&file->lock);708 709 return IPC_GET_ARG1(answer);710 }711 712 fibril_mutex_unlock(&file->lock);713 return EOK;714 }715 716 681 void vfs_close(ipc_callid_t rid, ipc_call_t *request) 717 682 { … … 725 690 } 726 691 727 int ret = vfs_close_internal(file); 728 if (ret != EOK) 729 ipc_answer_0(rid, ret); 730 731 ret = vfs_fd_free(fd); 732 ipc_answer_0(rid, ret); 692 /* 693 * Lock the open file structure so that no other thread can manipulate 694 * the same open file at a time. 695 */ 696 fibril_mutex_lock(&file->lock); 697 int fs_phone = vfs_grab_phone(file->node->fs_handle); 698 699 /* Make a VFS_OUT_CLOSE request at the destination FS server. */ 700 aid_t msg; 701 ipc_call_t answer; 702 msg = async_send_2(fs_phone, VFS_OUT_CLOSE, file->node->dev_handle, 703 file->node->index, &answer); 704 705 /* Wait for reply from the FS server. */ 706 ipcarg_t rc; 707 async_wait_for(msg, &rc); 708 709 vfs_release_phone(fs_phone); 710 fibril_mutex_unlock(&file->lock); 711 712 int retval = IPC_GET_ARG1(answer); 713 if (retval != EOK) 714 ipc_answer_0(rid, retval); 715 716 retval = vfs_fd_free(fd); 717 ipc_answer_0(rid, retval); 733 718 } 734 719 … … 762 747 int res; 763 748 if (read) 764 res = async_data_read_receive(&callid, NULL);749 res = ipc_data_read_receive(&callid, NULL); 765 750 else 766 res = async_data_write_receive(&callid, NULL);751 res = ipc_data_write_receive(&callid, NULL); 767 752 if (!res) { 768 753 ipc_answer_0(callid, EINVAL); … … 949 934 { 950 935 int fd = IPC_GET_ARG1(*request); 936 size_t size = IPC_GET_ARG2(*request); 951 937 ipcarg_t rc; 952 938 … … 958 944 959 945 ipc_callid_t callid; 960 if (! async_data_read_receive(&callid, NULL)) {946 if (!ipc_data_read_receive(&callid, NULL)) { 961 947 ipc_answer_0(callid, EINVAL); 962 948 ipc_answer_0(rid, EINVAL); … … 984 970 ipc_callid_t callid; 985 971 986 if (! async_data_write_receive(&callid, &len)) {972 if (!ipc_data_write_receive(&callid, &len)) { 987 973 ipc_answer_0(callid, EINVAL); 988 974 ipc_answer_0(rid, EINVAL); … … 996 982 } 997 983 int rc; 998 if ((rc = async_data_write_finalize(callid, path, len))) {984 if ((rc = ipc_data_write_finalize(callid, path, len))) { 999 985 ipc_answer_0(rid, rc); 1000 986 free(path); … … 1003 989 path[len] = '\0'; 1004 990 1005 if (! async_data_read_receive(&callid, NULL)) {991 if (!ipc_data_read_receive(&callid, NULL)) { 1006 992 free(path); 1007 993 ipc_answer_0(callid, EINVAL); … … 1052 1038 ipc_callid_t callid; 1053 1039 1054 if (! async_data_write_receive(&callid, &len)) {1040 if (!ipc_data_write_receive(&callid, &len)) { 1055 1041 ipc_answer_0(callid, EINVAL); 1056 1042 ipc_answer_0(rid, EINVAL); … … 1064 1050 } 1065 1051 int rc; 1066 if ((rc = async_data_write_finalize(callid, path, len))) {1052 if ((rc = ipc_data_write_finalize(callid, path, len))) { 1067 1053 ipc_answer_0(rid, rc); 1068 1054 free(path); … … 1089 1075 ipc_callid_t callid; 1090 1076 1091 if (! async_data_write_receive(&callid, &len)) {1077 if (!ipc_data_write_receive(&callid, &len)) { 1092 1078 ipc_answer_0(callid, EINVAL); 1093 1079 ipc_answer_0(rid, EINVAL); … … 1101 1087 } 1102 1088 int rc; 1103 if ((rc = async_data_write_finalize(callid, path, len))) {1089 if ((rc = ipc_data_write_finalize(callid, path, len))) { 1104 1090 ipc_answer_0(rid, rc); 1105 1091 free(path); … … 1140 1126 1141 1127 /* Retrieve the old path. */ 1142 if (! async_data_write_receive(&callid, &olen)) {1128 if (!ipc_data_write_receive(&callid, &olen)) { 1143 1129 ipc_answer_0(callid, EINVAL); 1144 1130 ipc_answer_0(rid, EINVAL); … … 1151 1137 return; 1152 1138 } 1153 if ((rc = async_data_write_finalize(callid, old, olen))) {1139 if ((rc = ipc_data_write_finalize(callid, old, olen))) { 1154 1140 ipc_answer_0(rid, rc); 1155 1141 free(old); … … 1159 1145 1160 1146 /* Retrieve the new path. */ 1161 if (! async_data_write_receive(&callid, &nlen)) {1147 if (!ipc_data_write_receive(&callid, &nlen)) { 1162 1148 ipc_answer_0(callid, EINVAL); 1163 1149 ipc_answer_0(rid, EINVAL); … … 1172 1158 return; 1173 1159 } 1174 if ((rc = async_data_write_finalize(callid, new, nlen))) {1160 if ((rc = ipc_data_write_finalize(callid, new, nlen))) { 1175 1161 ipc_answer_0(rid, rc); 1176 1162 free(old); … … 1325 1311 } 1326 1312 1327 void vfs_dup(ipc_callid_t rid, ipc_call_t *request)1328 {1329 int oldfd = IPC_GET_ARG1(*request);1330 int newfd = IPC_GET_ARG2(*request);1331 1332 /* Lookup the file structure corresponding to oldfd. */1333 vfs_file_t *oldfile = vfs_file_get(oldfd);1334 if (!oldfile) {1335 ipc_answer_0(rid, EBADF);1336 return;1337 }1338 1339 /* If the file descriptors are the same, do nothing. */1340 if (oldfd == newfd) {1341 ipc_answer_1(rid, EOK, newfd);1342 return;1343 }1344 1345 /*1346 * Lock the open file structure so that no other thread can manipulate1347 * the same open file at a time.1348 */1349 fibril_mutex_lock(&oldfile->lock);1350 1351 /* Lookup an open file structure possibly corresponding to newfd. */1352 vfs_file_t *newfile = vfs_file_get(newfd);1353 if (newfile) {1354 /* Close the originally opened file. */1355 int ret = vfs_close_internal(newfile);1356 if (ret != EOK) {1357 ipc_answer_0(rid, ret);1358 return;1359 }1360 1361 ret = vfs_fd_free(newfd);1362 if (ret != EOK) {1363 ipc_answer_0(rid, ret);1364 return;1365 }1366 }1367 1368 /* Assign the old file to newfd. */1369 int ret = vfs_fd_assign(oldfile, newfd);1370 fibril_mutex_unlock(&oldfile->lock);1371 1372 if (ret != EOK)1373 ipc_answer_0(rid, ret);1374 else1375 ipc_answer_1(rid, EOK, newfd);1376 }1377 1378 1313 /** 1379 1314 * @}
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