static int unmount_root(void) { int r; if (!root->mounted) return -EINVAL; mounts_remove(root); if (root->session) fuse_session_destroy(root->session); // also destroys root->channel if (root->channel_fd >= 0) (void) close(root->channel_fd); // only use fuse_unmount if there are no nested mounts if (nmounts == 0) fuse_unmount(root->mountpoint); fuse_opt_free_args(&root->args); free(root->mountpoint); free(root->fstitch_path); hash_map_destroy(root->parents); memset(root, 0, sizeof(*root)); free(root); root = NULL; if ((r = helper_shutdown()) < 0) fprintf(stderr, "%s(): helper_shutdown() failed (%d), continuing anyway\n", __FUNCTION__, r); destroy_locals(); return 0; }
int main(int argc, char *argv[]) { struct fuse_args args = FUSE_ARGS_INIT(argc, argv); char *mountpoint; int err = -1; int fd; if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 && (fd = fuse_mount(mountpoint, &args)) != -1) { struct fuse_session *se; se = fuse_lowlevel_new(&args, &hello_ll_oper, sizeof(hello_ll_oper), NULL); if (se != NULL) { if (fuse_set_signal_handlers(se) != -1) { struct fuse_chan *ch = fuse_kern_chan_new(fd); if (ch != NULL) { fuse_session_add_chan(se, ch); err = fuse_session_loop(se); } fuse_remove_signal_handlers(se); } fuse_session_destroy(se); } close(fd); } fuse_unmount(mountpoint); fuse_opt_free_args(&args); return err ? 1 : 0; }
int main(int argc, char *argv[]){ // Initialize an empty argument list struct fuse_args mountpt = FUSE_ARGS_INIT(0, NULL); // add program and mountpoint fuse_opt_add_arg(&mountpt, argv[0]); fuse_opt_add_arg(&mountpt, argv[1]); //fuse_opt_add_arg(&mountpt, argv[2]);// for debug //fuse_opt_add_arg(&mountpt, argv[3]);// for debug log_file_path= argv[2]; fs_size=atoi(argv[3])*1000000; num_blocks=fs_size/block_size; if(num_blocks < 1000){ free_space =block_size; }else free_space=block_size*4; dictionary= malloc(num_blocks*sizeof(int)); log_fp = fopen (log_file_path,"a+"); if (log_fp == NULL) { printf ("Data file could not be opened\n"); return 1; } initialize_dictionary(); mount=time(NULL); struct fuse_args args = FUSE_ARGS_INIT(mountpt.argc, mountpt.argv); struct fuse_chan *ch; char *mountpoint; int err = -1; if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 && (ch = fuse_mount(mountpoint, &args)) != NULL) { struct fuse_session *se; se = fuse_lowlevel_new(&args, &lfs_ll_oper, sizeof(lfs_ll_oper), NULL); if (se != NULL) { if (fuse_set_signal_handlers(se) != -1) { fuse_session_add_chan(se, ch); /* Block until ctrl+c or fusermount -u */ err = fuse_session_loop(se); fuse_remove_signal_handlers(se); fuse_session_remove_chan(ch); } fuse_session_destroy(se); unmount=time(NULL); write_stats(); } fuse_unmount(mountpoint, ch); } fuse_opt_free_args(&args); free(dictionary); fclose(log_fp); return err ? 1 : 0; }
int fuse_loop_mt_proc(struct fuse *f, fuse_processor_t proc, void *data) { int res; struct procdata pd; struct fuse_session *prevse = fuse_get_session(f); struct fuse_session *se; struct fuse_chan *prevch = fuse_session_next_chan(prevse, NULL); struct fuse_chan *ch; struct fuse_session_ops sop = { .exit = mt_session_exit, .exited = mt_session_exited, .process = mt_session_proc, }; struct fuse_chan_ops cop = { .receive = mt_chan_receive, .send = mt_chan_send, }; pd.f = f; pd.prevch = prevch; pd.prevse = prevse; pd.proc = proc; pd.data = data; se = fuse_session_new(&sop, &pd); if (se == NULL) return -1; ch = fuse_chan_new(&cop, fuse_chan_fd(prevch), sizeof(struct fuse_cmd *), &pd); if (ch == NULL) { fuse_session_destroy(se); return -1; } fuse_session_add_chan(se, ch); res = fuse_session_loop_mt(se); fuse_session_destroy(se); return res; }
static void fuseFiniDisplay(CompPlugin *p, CompDisplay *d) { FUSE_DISPLAY(d); fuseUnmount(d); fuse_session_destroy(fd->session); compFiniDisplayOptions(d, fd->opt, FUSE_DISPLAY_OPTION_NUM); free(fd); }
/* * Delete a filesystem/file descriptor from the poll set * Must be called with mtx locked */ static void destroy_fs(int i) { VERIFY(pthread_mutex_lock(&sysmtx) == 0); if (fsinfo[i].se) { #ifdef DEBUG fprintf(stderr, "Filesystem %i (%s) is being unmounted\n", i, mountpoints[i]); #endif fuse_session_reset(fsinfo[i].se); fuse_session_destroy(fsinfo[i].se); fsinfo[i].se = NULL; close(fds[i].fd); fds[i].fd = -1; kmem_free(mountpoints[i],fsinfo[i].mntlen+1); } VERIFY(pthread_mutex_unlock(&sysmtx) == 0); }
int main(int argc, char *argv[]) { struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct fuse_chan *ch; char *mountpoint; int ret = -1; struct lo_data lo = { .debug = 0 }; if (fuse_opt_parse(&args, &lo, lo_opts, NULL) == -1) exit(1); lo.root.next = lo.root.prev = &lo.root; lo.root.fd = open("/", O_PATH); lo.root.nlookup = 2; if (lo.root.fd == -1) err(1, "open(\"/\", O_PATH)"); if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 && (ch = fuse_mount(mountpoint, &args)) != NULL) { struct fuse_session *se; se = fuse_lowlevel_new(&args, &lo_oper, sizeof(lo_oper), &lo); if (se != NULL) { if (fuse_set_signal_handlers(se) != -1) { fuse_session_add_chan(se, ch); ret = fuse_session_loop(se); fuse_remove_signal_handlers(se); fuse_session_remove_chan(ch); } fuse_session_destroy(se); } fuse_unmount(mountpoint, ch); free(mountpoint); } fuse_opt_free_args(&args); while (lo.root.next != &lo.root) lo_free(lo.root.next); return ret ? 1 : 0; }
static void fuse_unmount_all(void) { VERIFY(pthread_mutex_lock(&sysmtx) == 0); for(int i = nfds-1; i >= 1; i--) { if(fds[i].fd == -1) continue; #ifdef DEBUG fprintf(stderr, "Filesystem %i (%s) is being unmounted\n", i, mountpoints[i]); #endif /* unmount before shuting down... */ fuse_session_remove_chan(fsinfo[i].ch); fuse_session_destroy(fsinfo[i].se); fsinfo[i].se = NULL; fuse_unmount(mountpoints[i],fsinfo[i].ch); close(fds[i].fd); fds[i].fd = -1; kmem_free(mountpoints[i],fsinfo[i].mntlen+1); } VERIFY(pthread_mutex_unlock(&sysmtx) == 0); }
void cuse_lowlevel_teardown(struct fuse_session *se) { fuse_remove_signal_handlers(se); fuse_session_destroy(se); }
struct fuse_session *cuse_lowlevel_setup(int argc, char *argv[], const struct cuse_info *ci, const struct cuse_lowlevel_ops *clop, int *multithreaded, void *userdata) { const char *devname = "/dev/cuse"; static const struct fuse_opt kill_subtype_opts[] = { FUSE_OPT_KEY("subtype=", FUSE_OPT_KEY_DISCARD), FUSE_OPT_END }; struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct fuse_session *se; struct fuse_chan *ch; int fd; int foreground; int res; res = fuse_parse_cmdline(&args, NULL, multithreaded, &foreground); if (res == -1) goto err_args; res = fuse_opt_parse(&args, NULL, kill_subtype_opts, NULL); if (res == -1) goto err_args; /* * Make sure file descriptors 0, 1 and 2 are open, otherwise chaos * would ensue. */ do { fd = open("/dev/null", O_RDWR); if (fd > 2) close(fd); } while (fd >= 0 && fd <= 2); se = cuse_lowlevel_new(&args, ci, clop, userdata); fuse_opt_free_args(&args); if (se == NULL) goto err_args; fd = open(devname, O_RDWR); if (fd == -1) { if (errno == ENODEV || errno == ENOENT) fprintf(stderr, "cuse: device not found, try 'modprobe cuse' first\n"); else fprintf(stderr, "cuse: failed to open %s: %s\n", devname, strerror(errno)); goto err_se; } ch = fuse_kern_chan_new(fd); if (!ch) { close(fd); goto err_se; } fuse_session_add_chan(se, ch); res = fuse_set_signal_handlers(se); if (res == -1) goto err_se; res = fuse_daemonize(foreground); if (res == -1) goto err_sig; return se; err_sig: fuse_remove_signal_handlers(se); err_se: fuse_session_destroy(se); err_args: fuse_opt_free_args(&args); return NULL; }
int fuse_serve_mount_step_remove(void) { char b = 1; queue_entry_t * qe; Dprintf("%s()\n", __FUNCTION__); if (unmount_pipe[0] == -1) return -1; // Read the byte from helper to zero the read fd's level if (read(unmount_pipe[0], &b, 1) != 1) { perror("fuse_serve_mount_step_shutdown(): read"); if (write(unmount_pipe[1], &b, 1) != 1) assert(0); return -1; } if (vector_size(remove_queue) > 0) { qe = vector_elt(remove_queue, 0); // NOTE: vector_erase() is O(|remove_queue|). If this queue // gets to be big we can change how this removal works. vector_erase(remove_queue, 0); } else { assert(shutdown_has_started()); if (nmounts == 1) { Dprintf("%s(): unmounting root\n", __FUNCTION__); return unmount_root(); } if (!(qe = calloc(1, sizeof(*qe)))) { (void) write(unmount_pipe[1], &b, 1); // unzero the read fd's level return -ENOMEM; } qsort(mounts, nmounts, sizeof(*mounts), mount_path_compar); qe->mount = mounts[nmounts - 1]; qe->action = QEUNMOUNT; } mounts_remove(qe->mount); fuse_session_destroy(qe->mount->session); qe->mount->session = NULL; (void) close(qe->mount->channel_fd); fuse_opt_free_args(&qe->mount->args); if (enqueue_helper_request(qe) < 0) { fprintf(stderr, "%s(): enqueue_helper_request failed; unmount \"%s\" is unrecoverable\n", __FUNCTION__, qe->mount->fstitch_path); free(qe); return -1; } if (ensure_helper_is_running() < 0) { fprintf(stderr, "%s(): ensure_helper_is_running failed; unmount \"%s\" is unrecoverable\n", __FUNCTION__, qe->mount->fstitch_path); return -1; } return 0; }
int mainloop(struct fuse_args *args,const char* mp,int mt,int fg) { struct fuse_session *se; struct fuse_chan *ch; struct rlimit rls; int piped[2]; char s; int err; int i; md5ctx ctx; uint8_t md5pass[16]; if (mfsopts.passwordask && mfsopts.password==NULL && mfsopts.md5pass==NULL) { mfsopts.password = getpass("MFS Password:"******"bad md5 definition (md5 should be given as 32 hex digits)\n"); return 1; } p++; if (*p>='0' && *p<='9') { md5pass[i]+=(*p-'0'); } else if (*p>='a' && *p<='f') { md5pass[i]+=(*p-'a'+10); } else if (*p>='A' && *p<='F') { md5pass[i]+=(*p-'A'+10); } else { fprintf(stderr,"bad md5 definition (md5 should be given as 32 hex digits)\n"); return 1; } p++; } if (*p) { fprintf(stderr,"bad md5 definition (md5 should be given as 32 hex digits)\n"); return 1; } memset(mfsopts.md5pass,0,strlen(mfsopts.md5pass)); } if (mfsopts.delayedinit) { fs_init_master_connection(mfsopts.bindhost,mfsopts.masterhost,mfsopts.masterport,mfsopts.meta,mp,mfsopts.subfolder,(mfsopts.password||mfsopts.md5pass)?md5pass:NULL,mfsopts.donotrememberpassword,1); } else { if (fs_init_master_connection(mfsopts.bindhost,mfsopts.masterhost,mfsopts.masterport,mfsopts.meta,mp,mfsopts.subfolder,(mfsopts.password||mfsopts.md5pass)?md5pass:NULL,mfsopts.donotrememberpassword,0)<0) { return 1; } } memset(md5pass,0,16); if (fg==0) { openlog(STR(APPNAME), LOG_PID | LOG_NDELAY , LOG_DAEMON); } else { #if defined(LOG_PERROR) openlog(STR(APPNAME), LOG_PID | LOG_NDELAY | LOG_PERROR, LOG_USER); #else openlog(STR(APPNAME), LOG_PID | LOG_NDELAY, LOG_USER); #endif } i = mfsopts.nofile; while (1) { rls.rlim_cur = i; rls.rlim_max = i; if (setrlimit(RLIMIT_NOFILE,&rls)<0) { i /= 2; if (i<1000) { break; } } else { break; } } if (i != (int)(mfsopts.nofile)) { fprintf(stderr,"can't set open file limit to %d\n",mfsopts.nofile); if (i>=1000) { fprintf(stderr,"open file limit set to: %d\n",i); } } setpriority(PRIO_PROCESS,getpid(),mfsopts.nice); #ifdef MFS_USE_MEMLOCK if (mfsopts.memlock) { rls.rlim_cur = RLIM_INFINITY; rls.rlim_max = RLIM_INFINITY; if (setrlimit(RLIMIT_MEMLOCK,&rls)<0) { mfsopts.memlock=0; } } #endif piped[0] = piped[1] = -1; if (fg==0) { if (pipe(piped)<0) { fprintf(stderr,"pipe error\n"); return 1; } err = fork(); if (err<0) { fprintf(stderr,"fork error\n"); return 1; } else if (err>0) { close(piped[1]); err = read(piped[0],&s,1); if (err==0) { s=1; } return s; } close(piped[0]); s=1; } #ifdef MFS_USE_MEMLOCK if (mfsopts.memlock) { if (mlockall(MCL_CURRENT|MCL_FUTURE)==0) { syslog(LOG_NOTICE,"process memory was successfully locked in RAM"); } } #endif /* glibc malloc tuning */ #ifdef MFS_USE_MALLOPT if (mfsopts.limitarenas) { if (!getenv("MALLOC_ARENA_MAX")) { syslog(LOG_NOTICE,"setting glibc malloc arena max to 8"); mallopt(M_ARENA_MAX, mfsopts.limitarenas); } if (!getenv("MALLOC_ARENA_TEST")) { syslog(LOG_NOTICE,"setting glibc malloc arena test to 1"); mallopt(M_ARENA_TEST, 1); } } else { syslog(LOG_NOTICE,"setting glibc malloc arenas turned off"); } #endif /* glibc malloc tuning */ syslog(LOG_NOTICE,"monotonic clock function: %s",monotonic_method()); syslog(LOG_NOTICE,"monotonic clock speed: %"PRIu32" ops / 10 mili seconds",monotonic_speed()); conncache_init(200); chunkloc_cache_init(); symlink_cache_init(); negentry_cache_init(mfsopts.negentrycacheto); // dir_cache_init(); fs_init_threads(mfsopts.ioretries); if (masterproxy_init(mfsopts.proxyhost)<0) { fs_term(); // dir_cache_term(); negentry_cache_term(); symlink_cache_term(); chunkloc_cache_term(); return 1; } // fs_term(); // negentry_cache_term(); // symlink_cache_term(); // chunkloc_cache_term(); // return 1; if (mfsopts.meta==0) { csdb_init(); delay_init(); read_data_init(mfsopts.readaheadsize*1024*1024,mfsopts.readaheadleng,mfsopts.readaheadtrigger,mfsopts.ioretries); write_data_init(mfsopts.writecachesize*1024*1024,mfsopts.ioretries); } ch = fuse_mount(mp, args); if (ch==NULL) { fprintf(stderr,"error in fuse_mount\n"); if (piped[1]>=0) { if (write(piped[1],&s,1)!=1) { fprintf(stderr,"pipe write error\n"); } close(piped[1]); } if (mfsopts.meta==0) { write_data_term(); read_data_term(); delay_term(); csdb_term(); } masterproxy_term(); fs_term(); // dir_cache_term(); negentry_cache_term(); symlink_cache_term(); chunkloc_cache_term(); return 1; } if (mfsopts.meta) { mfs_meta_init(mfsopts.debug,mfsopts.entrycacheto,mfsopts.attrcacheto); se = fuse_lowlevel_new(args, &mfs_meta_oper, sizeof(mfs_meta_oper), (void*)piped); } else { mfs_init(mfsopts.debug,mfsopts.keepcache,mfsopts.direntrycacheto,mfsopts.entrycacheto,mfsopts.attrcacheto,mfsopts.xattrcacheto,mfsopts.groupscacheto,mfsopts.mkdircopysgid,mfsopts.sugidclearmode,1,mfsopts.fsyncbeforeclose,mfsopts.noxattrs,mfsopts.noposixlocks,mfsopts.nobsdlocks); //mfsopts.xattraclsupport); se = fuse_lowlevel_new(args, &mfs_oper, sizeof(mfs_oper), (void*)piped); } if (se==NULL) { fuse_unmount(mp,ch); fprintf(stderr,"error in fuse_lowlevel_new\n"); portable_usleep(100000); // time for print other error messages by FUSE if (piped[1]>=0) { if (write(piped[1],&s,1)!=1) { fprintf(stderr,"pipe write error\n"); } close(piped[1]); } if (mfsopts.meta==0) { write_data_term(); read_data_term(); delay_term(); csdb_term(); } masterproxy_term(); fs_term(); // dir_cache_term(); negentry_cache_term(); symlink_cache_term(); chunkloc_cache_term(); return 1; } // fprintf(stderr,"check\n"); fuse_session_add_chan(se, ch); if (fuse_set_signal_handlers(se)<0) { fprintf(stderr,"error in fuse_set_signal_handlers\n"); fuse_session_remove_chan(ch); fuse_session_destroy(se); fuse_unmount(mp,ch); if (piped[1]>=0) { if (write(piped[1],&s,1)!=1) { fprintf(stderr,"pipe write error\n"); } close(piped[1]); } if (mfsopts.meta==0) { write_data_term(); read_data_term(); delay_term(); csdb_term(); } masterproxy_term(); fs_term(); // dir_cache_term(); negentry_cache_term(); symlink_cache_term(); chunkloc_cache_term(); return 1; } if (mfsopts.debug==0 && fg==0) { setsid(); setpgid(0,getpid()); if ((i = open("/dev/null", O_RDWR, 0)) != -1) { (void)dup2(i, STDIN_FILENO); (void)dup2(i, STDOUT_FILENO); (void)dup2(i, STDERR_FILENO); if (i>2) close (i); } } if (mt) { err = fuse_session_loop_mt(se); } else { err = fuse_session_loop(se); } if (err) { if (piped[1]>=0) { if (write(piped[1],&s,1)!=1) { syslog(LOG_ERR,"pipe write error: %s",strerr(errno)); } close(piped[1]); } } fuse_remove_signal_handlers(se); fuse_session_remove_chan(ch); fuse_session_destroy(se); fuse_unmount(mp,ch); if (mfsopts.meta==0) { write_data_term(); read_data_term(); delay_term(); csdb_term(); } masterproxy_term(); fs_term(); // dir_cache_term(); negentry_cache_term(); symlink_cache_term(); chunkloc_cache_term(); return err ? 1 : 0; }
int main(int argc, char **argv) { extern void init_ops(fuse_lowlevel_ops *ops); struct options options; std::memset(&options, 0, sizeof(options)); struct fuse_args args = FUSE_ARGS_INIT(argc, argv); struct fuse_chan *ch; char *mountpoint = NULL; int err = -1; std::string mountPath; unsigned format = 0; int foreground = false; int multithread = false; Pascal::VolumeEntryPointer volume; init_ops(&pascal_ops); // scan the argument list, looking for the name of the disk image. if (fuse_opt_parse(&args, &options ,pascal_options, pascal_option_proc) == -1) exit(1); if (fDiskImage.empty()) { usage(); exit(1); } // default prodos-order disk image. if (options.format) { format = Device::BlockDevice::ImageType(options.format); if (!format) std::fprintf(stderr, "Warning: Unknown image type ``%s''\n", options.format); } try { Device::BlockDevicePointer device; device = Device::BlockDevice::Open(fDiskImage.c_str(), File::ReadOnly, format); if (!device.get()) { std::fprintf(stderr, "Error: Unknown or unsupported device type.\n"); exit(1); } volume = Pascal::VolumeEntry::Open(device); } catch (::Exception &e) { std::fprintf(stderr, "%s\n", e.what()); std::fprintf(stderr, "%s\n", std::strerror(e.error())); return -1; } #ifdef __APPLE__ { // Macfuse supports custom volume names (displayed in Finder) std::string str("-ovolname="); str += volume->name(); fuse_opt_add_arg(&args, str.c_str()); // 512 byte blocksize. fuse_opt_add_arg(&args, "-oiosize=512"); } #endif fuse_opt_add_arg(&args, "-ofsname=PascalFS"); if (!options.readOnly) fuse_opt_add_arg(&args, "-ordonly"); if (options.readWrite) { std::fprintf(stderr, "Warning: write support is not yet enabled.\n"); } if (fuse_parse_cmdline(&args, &mountpoint, &multithread, &foreground) == -1) { usage(); return -1; } #ifdef __APPLE__ if (mountpoint == NULL || *mountpoint == 0) { if (make_mount_dir(volume->name(), mountPath)) mountpoint = (char *)mountPath.c_str(); } #endif if ((ch = fuse_mount(mountpoint, &args)) != NULL) { struct fuse_session* se; std::printf("Mounting ``%s'' on ``%s''\n", volume->name(), mountpoint); se = fuse_lowlevel_new(&args, &pascal_ops, sizeof(pascal_ops), volume.get()); if (se) do { err = fuse_daemonize(foreground); if (err < 0 ) break; err = fuse_set_signal_handlers(se); if (err < 0) break; fuse_session_add_chan(se, ch); if (multithread) err = fuse_session_loop_mt(se); else err = fuse_session_loop(se); fuse_remove_signal_handlers(se); fuse_session_remove_chan(ch); } while (false); if (se) fuse_session_destroy(se); fuse_unmount(mountpoint, ch); } fuse_opt_free_args(&args); #ifdef __APPLE__ if (!mountPath.empty()) rmdir(mountPath.c_str()); #endif return err ? 1 : 0; }
int do_mount(char *spec, char *dir, int mflag, char *opt) { // VERIFY(mflag == 0); vfs_t *vfs = kmem_zalloc(sizeof(vfs_t), KM_SLEEP); if(vfs == NULL) return ENOMEM; VFS_INIT(vfs, zfs_vfsops, 0); VFS_HOLD(vfs); struct mounta uap = { .spec = spec, .dir = dir, .flags = mflag | MS_SYSSPACE, .fstype = "zfs-fuse", .dataptr = "", .datalen = 0, .optptr = opt, .optlen = strlen(opt) }; int ret; if ((ret = VFS_MOUNT(vfs, rootdir, &uap, kcred)) != 0) { kmem_free(vfs, sizeof(vfs_t)); return ret; } /* Actually, optptr is totally ignored by VFS_MOUNT. * So we are going to pass this with fuse_mount_options if possible */ if (fuse_mount_options == NULL) fuse_mount_options = ""; char real_opts[1024]; *real_opts = 0; if (*fuse_mount_options) strcat(real_opts,fuse_mount_options); // comes with a starting , if (*opt) sprintf(&real_opts[strlen(real_opts)],",%s",opt); #ifdef DEBUG atomic_inc_32(&mounted);; fprintf(stderr, "mounting %s\n", dir); #endif char *fuse_opts = NULL; int has_default_perm = 0; if (fuse_version() <= 27) { if(asprintf(&fuse_opts, FUSE_OPTIONS, spec, real_opts) == -1) { VERIFY(do_umount(vfs, B_FALSE) == 0); return ENOMEM; } } else { if(asprintf(&fuse_opts, FUSE_OPTIONS ",big_writes", spec, real_opts) == -1) { VERIFY(do_umount(vfs, B_FALSE) == 0); return ENOMEM; } } struct fuse_args args = FUSE_ARGS_INIT(0, NULL); if(fuse_opt_add_arg(&args, "") == -1 || fuse_opt_add_arg(&args, "-o") == -1 || fuse_opt_add_arg(&args, fuse_opts) == -1) { fuse_opt_free_args(&args); free(fuse_opts); VERIFY(do_umount(vfs, B_FALSE) == 0); return ENOMEM; } has_default_perm = detect_fuseoption(fuse_opts,"default_permissions"); free(fuse_opts); struct fuse_chan *ch = fuse_mount(dir, &args); if(ch == NULL) { VERIFY(do_umount(vfs, B_FALSE) == 0); return EIO; } if (has_default_perm) vfs->fuse_attribute = FUSE_VFS_HAS_DEFAULT_PERM; struct fuse_session *se = fuse_lowlevel_new(&args, &zfs_operations, sizeof(zfs_operations), vfs); fuse_opt_free_args(&args); if(se == NULL) { VERIFY(do_umount(vfs, B_FALSE) == 0); /* ZFSFUSE: FIXME?? */ fuse_unmount(dir,ch); return EIO; } fuse_session_add_chan(se, ch); if(zfsfuse_newfs(dir, ch) != 0) { fuse_session_destroy(se); fuse_unmount(dir,ch); return EIO; } return 0; }
int main(int argc, char *argv[]) { struct fuse_args args; sqfs_opts opts; char *mountpoint = NULL; int mt, fg; int err; sqfs_ll *ll; struct fuse_lowlevel_ops sqfs_ll_ops; memset(&sqfs_ll_ops, 0, sizeof(sqfs_ll_ops)); sqfs_ll_ops.getattr = sqfs_ll_op_getattr; sqfs_ll_ops.opendir = sqfs_ll_op_opendir; sqfs_ll_ops.releasedir = sqfs_ll_op_releasedir; sqfs_ll_ops.readdir = sqfs_ll_op_readdir; sqfs_ll_ops.lookup = sqfs_ll_op_lookup; sqfs_ll_ops.open = sqfs_ll_op_open; sqfs_ll_ops.release = sqfs_ll_op_release; sqfs_ll_ops.read = sqfs_ll_op_read; sqfs_ll_ops.readlink = sqfs_ll_op_readlink; sqfs_ll_ops.listxattr = sqfs_ll_op_listxattr; sqfs_ll_ops.getxattr = sqfs_ll_op_getxattr; sqfs_ll_ops.forget = sqfs_ll_op_forget; /* PARSE ARGS */ args.argc = argc; args.argv = argv; args.allocated = 0; opts.progname = argv[0]; opts.image = NULL; opts.mountpoint = 0; if (fuse_opt_parse(&args, &opts, NULL, sqfs_opt_proc) == -1) sqfs_usage(argv[0], true); if (fuse_parse_cmdline(&args, &mountpoint, &mt, &fg) == -1) sqfs_usage(argv[0], true); if (mountpoint == NULL) sqfs_usage(argv[0], true); /* OPEN FS */ err = !(ll = sqfs_ll_open(opts.image)); /* STARTUP FUSE */ if (!err) { sqfs_ll_chan ch; err = -1; if (sqfs_ll_mount(&ch, mountpoint, &args) == SQFS_OK) { struct fuse_session *se = fuse_lowlevel_new(&args, &sqfs_ll_ops, sizeof(sqfs_ll_ops), ll); if (se != NULL) { if (sqfs_ll_daemonize(fg) != -1) { if (fuse_set_signal_handlers(se) != -1) { fuse_session_add_chan(se, ch.ch); /* FIXME: multithreading */ err = fuse_session_loop(se); fuse_remove_signal_handlers(se); #if HAVE_DECL_FUSE_SESSION_REMOVE_CHAN fuse_session_remove_chan(ch.ch); #endif } } fuse_session_destroy(se); } sqfs_ll_destroy(ll); sqfs_ll_unmount(&ch, mountpoint); } } fuse_opt_free_args(&args); free(ll); free(mountpoint); return -err; }