int qemu_fsdev_add(QemuOpts *opts) { int i; struct FsDriverListEntry *fsle; const char *fsdev_id = qemu_opts_id(opts); const char *fsdriver = qemu_opt_get(opts, "fsdriver"); const char *writeout = qemu_opt_get(opts, "writeout"); bool ro = qemu_opt_get_bool(opts, "readonly", 0); if (!fsdev_id) { fprintf(stderr, "fsdev: No id specified\n"); return -1; } if (fsdriver) { for (i = 0; i < ARRAY_SIZE(FsDrivers); i++) { if (strcmp(FsDrivers[i].name, fsdriver) == 0) { break; } } if (i == ARRAY_SIZE(FsDrivers)) { fprintf(stderr, "fsdev: fsdriver %s not found\n", fsdriver); return -1; } } else { fprintf(stderr, "fsdev: No fsdriver specified\n"); return -1; } fsle = g_malloc0(sizeof(*fsle)); fsle->fse.fsdev_id = g_strdup(fsdev_id); fsle->fse.ops = FsDrivers[i].ops; if (writeout) { if (!strcmp(writeout, "immediate")) { fsle->fse.export_flags |= V9FS_IMMEDIATE_WRITEOUT; } } if (ro) { fsle->fse.export_flags |= V9FS_RDONLY; } else { fsle->fse.export_flags &= ~V9FS_RDONLY; } if (fsle->fse.ops->parse_opts) { if (fsle->fse.ops->parse_opts(opts, &fsle->fse)) { return -1; } } QTAILQ_INSERT_TAIL(&fsdriver_entries, fsle, next); return 0; }