retire mount v1

7 files changed, 43 insertions, 416 deletions

diff --git a/weed/command/command.go b/weed/command/command.go
index c6665a7be..dbc18a053 100644
--- a/weed/command/command.go
+++ b/weed/command/command.go
@@ -30,7 +30,6 @@ var Commands = []*Command{
 	cmdMaster,
 	cmdMasterFollower,
 	cmdMount,
-	cmdMount2,
 	cmdS3,
 	cmdIam,
 	cmdMsgBroker,
diff --git a/weed/command/mount.go b/weed/command/mount.go
deleted file mode 100644
index 545ba8a43..000000000
--- a/weed/command/mount.go
+++ /dev/null
@@ -1,86 +0,0 @@
-package command
-
-import (
-	"os"
-	"time"
-)
-
-type MountOptions struct {
-	filer              *string
-	filerMountRootPath *string
-	dir                *string
-	dirAutoCreate      *bool
-	collection         *string
-	replication        *string
-	diskType           *string
-	ttlSec             *int
-	chunkSizeLimitMB   *int
-	concurrentWriters  *int
-	cacheDir           *string
-	cacheSizeMB        *int64
-	dataCenter         *string
-	allowOthers        *bool
-	umaskString        *string
-	nonempty           *bool
-	volumeServerAccess *string
-	uidMap             *string
-	gidMap             *string
-	readOnly           *bool
-	debug              *bool
-	debugPort          *int
-}
-
-var (
-	mountOptions       MountOptions
-	mountCpuProfile    *string
-	mountMemProfile    *string
-	mountReadRetryTime *time.Duration
-)
-
-func init() {
-	cmdMount.Run = runMount // break init cycle
-	mountOptions.filer = cmdMount.Flag.String("filer", "localhost:8888", "comma-separated weed filer location")
-	mountOptions.filerMountRootPath = cmdMount.Flag.String("filer.path", "/", "mount this remote path from filer server")
-	mountOptions.dir = cmdMount.Flag.String("dir", ".", "mount weed filer to this directory")
-	mountOptions.dirAutoCreate = cmdMount.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
-	mountOptions.collection = cmdMount.Flag.String("collection", "", "collection to create the files")
-	mountOptions.replication = cmdMount.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
-	mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
-	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
-	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
-	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 32, "limit concurrent goroutine writers if not 0")
-	mountOptions.cacheDir = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
-	mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 0, "local file chunk cache capacity in MB")
-	mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
-	mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
-	mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")
-	mountOptions.nonempty = cmdMount.Flag.Bool("nonempty", false, "allows the mounting over a non-empty directory")
-	mountOptions.volumeServerAccess = cmdMount.Flag.String("volumeServerAccess", "direct", "access volume servers by [direct|publicUrl|filerProxy]")
-	mountOptions.uidMap = cmdMount.Flag.String("map.uid", "", "map local uid to uid on filer, comma-separated <local_uid>:<filer_uid>")
-	mountOptions.gidMap = cmdMount.Flag.String("map.gid", "", "map local gid to gid on filer, comma-separated <local_gid>:<filer_gid>")
-	mountOptions.readOnly = cmdMount.Flag.Bool("readOnly", false, "read only")
-	mountOptions.debug = cmdMount.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
-	mountOptions.debugPort = cmdMount.Flag.Int("debug.port", 6061, "http port for debugging")
-
-	mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
-	mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
-	mountReadRetryTime = cmdMount.Flag.Duration("readRetryTime", 6*time.Second, "maximum read retry wait time")
-}
-
-var cmdMount = &Command{
-	UsageLine: "mount -filer=localhost:8888 -dir=/some/dir",
-	Short:     "mount weed filer to a directory as file system in userspace(FUSE)",
-	Long: `mount weed filer to userspace.
-
-  Pre-requisites:
-  1) have SeaweedFS master and volume servers running
-  2) have a "weed filer" running
-  These 2 requirements can be achieved with one command "weed server -filer=true"
-
-  This uses github.com/seaweedfs/fuse, which enables writing FUSE file systems on
-  Linux, and OS X.
-
-  On OS X, it requires OSXFUSE (http://osxfuse.github.com/).
-
-  `,
-}
diff --git a/weed/command/mount2.go b/weed/command/mount2.go
index b285f5d3f..545ba8a43 100644
--- a/weed/command/mount2.go
+++ b/weed/command/mount2.go
@@ -5,7 +5,7 @@ import (
 	"time"
 )
 
-type Mount2Options struct {
+type MountOptions struct {
 	filer              *string
 	filerMountRootPath *string
 	dir                *string
@@ -31,42 +31,45 @@ type Mount2Options struct {
 }
 
 var (
-	mount2Options Mount2Options
+	mountOptions       MountOptions
+	mountCpuProfile    *string
+	mountMemProfile    *string
+	mountReadRetryTime *time.Duration
 )
 
 func init() {
-	cmdMount2.Run = runMount2 // break init cycle
-	mount2Options.filer = cmdMount2.Flag.String("filer", "localhost:8888", "comma-separated weed filer location")
-	mount2Options.filerMountRootPath = cmdMount2.Flag.String("filer.path", "/", "mount this remote path from filer server")
-	mount2Options.dir = cmdMount2.Flag.String("dir", ".", "mount weed filer to this directory")
-	mount2Options.dirAutoCreate = cmdMount2.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
-	mount2Options.collection = cmdMount2.Flag.String("collection", "", "collection to create the files")
-	mount2Options.replication = cmdMount2.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
-	mount2Options.diskType = cmdMount2.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
-	mount2Options.ttlSec = cmdMount2.Flag.Int("ttl", 0, "file ttl in seconds")
-	mount2Options.chunkSizeLimitMB = cmdMount2.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
-	mount2Options.concurrentWriters = cmdMount2.Flag.Int("concurrentWriters", 32, "limit concurrent goroutine writers if not 0")
-	mount2Options.cacheDir = cmdMount2.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
-	mount2Options.cacheSizeMB = cmdMount2.Flag.Int64("cacheCapacityMB", 0, "local file chunk cache capacity in MB")
-	mount2Options.dataCenter = cmdMount2.Flag.String("dataCenter", "", "prefer to write to the data center")
-	mount2Options.allowOthers = cmdMount2.Flag.Bool("allowOthers", true, "allows other users to access the file system")
-	mount2Options.umaskString = cmdMount2.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")
-	mount2Options.nonempty = cmdMount2.Flag.Bool("nonempty", false, "allows the mounting over a non-empty directory")
-	mount2Options.volumeServerAccess = cmdMount2.Flag.String("volumeServerAccess", "direct", "access volume servers by [direct|publicUrl|filerProxy]")
-	mount2Options.uidMap = cmdMount2.Flag.String("map.uid", "", "map local uid to uid on filer, comma-separated <local_uid>:<filer_uid>")
-	mount2Options.gidMap = cmdMount2.Flag.String("map.gid", "", "map local gid to gid on filer, comma-separated <local_gid>:<filer_gid>")
-	mount2Options.readOnly = cmdMount2.Flag.Bool("readOnly", false, "read only")
-	mount2Options.debug = cmdMount2.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
-	mount2Options.debugPort = cmdMount2.Flag.Int("debug.port", 6061, "http port for debugging")
+	cmdMount.Run = runMount // break init cycle
+	mountOptions.filer = cmdMount.Flag.String("filer", "localhost:8888", "comma-separated weed filer location")
+	mountOptions.filerMountRootPath = cmdMount.Flag.String("filer.path", "/", "mount this remote path from filer server")
+	mountOptions.dir = cmdMount.Flag.String("dir", ".", "mount weed filer to this directory")
+	mountOptions.dirAutoCreate = cmdMount.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
+	mountOptions.collection = cmdMount.Flag.String("collection", "", "collection to create the files")
+	mountOptions.replication = cmdMount.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
+	mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
+	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
+	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
+	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 32, "limit concurrent goroutine writers if not 0")
+	mountOptions.cacheDir = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
+	mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 0, "local file chunk cache capacity in MB")
+	mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
+	mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
+	mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")
+	mountOptions.nonempty = cmdMount.Flag.Bool("nonempty", false, "allows the mounting over a non-empty directory")
+	mountOptions.volumeServerAccess = cmdMount.Flag.String("volumeServerAccess", "direct", "access volume servers by [direct|publicUrl|filerProxy]")
+	mountOptions.uidMap = cmdMount.Flag.String("map.uid", "", "map local uid to uid on filer, comma-separated <local_uid>:<filer_uid>")
+	mountOptions.gidMap = cmdMount.Flag.String("map.gid", "", "map local gid to gid on filer, comma-separated <local_gid>:<filer_gid>")
+	mountOptions.readOnly = cmdMount.Flag.Bool("readOnly", false, "read only")
+	mountOptions.debug = cmdMount.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
+	mountOptions.debugPort = cmdMount.Flag.Int("debug.port", 6061, "http port for debugging")
 
-	mountCpuProfile = cmdMount2.Flag.String("cpuprofile", "", "cpu profile output file")
-	mountMemProfile = cmdMount2.Flag.String("memprofile", "", "memory profile output file")
-	mountReadRetryTime = cmdMount2.Flag.Duration("readRetryTime", 6*time.Second, "maximum read retry wait time")
+	mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
+	mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
+	mountReadRetryTime = cmdMount.Flag.Duration("readRetryTime", 6*time.Second, "maximum read retry wait time")
 }
 
-var cmdMount2 = &Command{
-	UsageLine: "mount2 -filer=localhost:8888 -dir=/some/dir",
-	Short:     "<WIP> mount weed filer to a directory as file system in userspace(FUSE)",
+var cmdMount = &Command{
+	UsageLine: "mount -filer=localhost:8888 -dir=/some/dir",
+	Short:     "mount weed filer to a directory as file system in userspace(FUSE)",
 	Long: `mount weed filer to userspace.
 
   Pre-requisites:
diff --git a/weed/command/mount2_std.go b/weed/command/mount2_std.go
index 61555d8f2..e53f9831e 100644
--- a/weed/command/mount2_std.go
+++ b/weed/command/mount2_std.go
@@ -27,10 +27,10 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util/grace"
 )
 
-func runMount2(cmd *Command, args []string) bool {
+func runMount(cmd *Command, args []string) bool {
 
-	if *mount2Options.debug {
-		go http.ListenAndServe(fmt.Sprintf(":%d", *mount2Options.debugPort), nil)
+	if *mountOptions.debug {
+		go http.ListenAndServe(fmt.Sprintf(":%d", *mountOptions.debugPort), nil)
 	}
 
 	grace.SetupProfiling(*mountCpuProfile, *mountMemProfile)
@@ -39,9 +39,9 @@ func runMount2(cmd *Command, args []string) bool {
 	}
 	util.RetryWaitTime = *mountReadRetryTime
 
-	umask, umaskErr := strconv.ParseUint(*mount2Options.umaskString, 8, 64)
+	umask, umaskErr := strconv.ParseUint(*mountOptions.umaskString, 8, 64)
 	if umaskErr != nil {
-		fmt.Printf("can not parse umask %s", *mount2Options.umaskString)
+		fmt.Printf("can not parse umask %s", *mountOptions.umaskString)
 		return false
 	}
 
@@ -49,13 +49,13 @@ func runMount2(cmd *Command, args []string) bool {
 		return false
 	}
 
-	return RunMount2(&mount2Options, os.FileMode(umask))
+	return RunMount2(&mountOptions, os.FileMode(umask))
 }
 
-func RunMount2(option *Mount2Options, umask os.FileMode) bool {
+func RunMount2(option *MountOptions, umask os.FileMode) bool {
 
 	// basic checks
-	chunkSizeLimitMB := *mount2Options.chunkSizeLimitMB
+	chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB
 	if chunkSizeLimitMB <= 0 {
 		fmt.Printf("Please specify a reasonable buffer size.")
 		return false
@@ -213,7 +213,7 @@ func RunMount2(option *Mount2Options, umask os.FileMode) bool {
 		MountCtime:         fileInfo.ModTime(),
 		MountMtime:         time.Now(),
 		Umask:              umask,
-		VolumeServerAccess: *mount2Options.volumeServerAccess,
+		VolumeServerAccess: *mountOptions.volumeServerAccess,
 		Cipher:             cipher,
 		UidGidMapper:       uidGidMapper,
 	})
diff --git a/weed/command/mount_freebsd.go b/weed/command/mount_freebsd.go
deleted file mode 100644
index f0a5581e7..000000000
--- a/weed/command/mount_freebsd.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package command
-
-import (
-	"github.com/seaweedfs/fuse"
-)
-
-func osSpecificMountOptions() []fuse.MountOption {
-	return []fuse.MountOption{}
-}
-
-func checkMountPointAvailable(dir string) bool {
-	return true
-}
diff --git a/weed/command/mount_notsupported.go b/weed/command/mount_notsupported.go
deleted file mode 100644
index 1e5c9f53d..000000000
--- a/weed/command/mount_notsupported.go
+++ /dev/null
@@ -1,15 +0,0 @@
-//go:build !linux && !darwin && !freebsd
-// +build !linux,!darwin,!freebsd
-
-package command
-
-import (
-	"fmt"
-	"runtime"
-)
-
-func runMount(cmd *Command, args []string) bool {
-	fmt.Printf("Mount is not supported on %s %s\n", runtime.GOOS, runtime.GOARCH)
-
-	return true
-}
diff --git a/weed/command/mount_std.go b/weed/command/mount_std.go
deleted file mode 100644
index 8f62b4ec9..000000000
--- a/weed/command/mount_std.go
+++ /dev/null
@@ -1,261 +0,0 @@
-//go:build linux || darwin || freebsd
-// +build linux darwin freebsd
-
-package command
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-	"os"
-	"os/user"
-	"path"
-	"path/filepath"
-	"runtime"
-	"strconv"
-	"strings"
-	"syscall"
-	"time"
-
-	"github.com/chrislusf/seaweedfs/weed/storage/types"
-
-	"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
-
-	"github.com/seaweedfs/fuse"
-	"github.com/seaweedfs/fuse/fs"
-
-	"github.com/chrislusf/seaweedfs/weed/filesys"
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/security"
-	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/chrislusf/seaweedfs/weed/util/grace"
-)
-
-func runMount(cmd *Command, args []string) bool {
-
-	if *mountOptions.debug {
-		go http.ListenAndServe(fmt.Sprintf(":%d", *mountOptions.debugPort), nil)
-	}
-
-	grace.SetupProfiling(*mountCpuProfile, *mountMemProfile)
-	if *mountReadRetryTime < time.Second {
-		*mountReadRetryTime = time.Second
-	}
-	util.RetryWaitTime = *mountReadRetryTime
-
-	umask, umaskErr := strconv.ParseUint(*mountOptions.umaskString, 8, 64)
-	if umaskErr != nil {
-		fmt.Printf("can not parse umask %s", *mountOptions.umaskString)
-		return false
-	}
-
-	if len(args) > 0 {
-		return false
-	}
-
-	return RunMount(&mountOptions, os.FileMode(umask))
-}
-
-func getParentInode(mountDir string) (uint64, error) {
-	parentDir := filepath.Clean(filepath.Join(mountDir, ".."))
-	fi, err := os.Stat(parentDir)
-	if err != nil {
-		return 0, err
-	}
-
-	stat, ok := fi.Sys().(*syscall.Stat_t)
-	if !ok {
-		return 0, nil
-	}
-
-	return stat.Ino, nil
-}
-
-func RunMount(option *MountOptions, umask os.FileMode) bool {
-
-	filerAddresses := pb.ServerAddresses(*option.filer).ToAddresses()
-
-	util.LoadConfiguration("security", false)
-	// try to connect to filer, filerBucketsPath may be useful later
-	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
-	var cipher bool
-	var err error
-	for i := 0; i < 10; i++ {
-		err = pb.WithOneOfGrpcFilerClients(false, filerAddresses, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
-			resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
-			if err != nil {
-				return fmt.Errorf("get filer grpc address %v configuration: %v", filerAddresses, err)
-			}
-			cipher = resp.Cipher
-			return nil
-		})
-		if err != nil {
-			glog.V(0).Infof("failed to talk to filer %v: %v", filerAddresses, err)
-			glog.V(0).Infof("wait for %d seconds ...", i+1)
-			time.Sleep(time.Duration(i+1) * time.Second)
-		}
-	}
-	if err != nil {
-		glog.Errorf("failed to talk to filer %v: %v", filerAddresses, err)
-		return true
-	}
-
-	filerMountRootPath := *option.filerMountRootPath
-	dir := util.ResolvePath(*option.dir)
-	parentInode, err := getParentInode(dir)
-	if err != nil {
-		glog.Errorf("failed to retrieve inode for parent directory of %s: %v", dir, err)
-		return true
-	}
-
-	fmt.Printf("This is SeaweedFS version %s %s %s\n", util.Version(), runtime.GOOS, runtime.GOARCH)
-	if dir == "" {
-		fmt.Printf("Please specify the mount directory via \"-dir\"")
-		return false
-	}
-
-	chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB
-	if chunkSizeLimitMB <= 0 {
-		fmt.Printf("Please specify a reasonable buffer size.")
-		return false
-	}
-
-	fuse.Unmount(dir)
-
-	// detect mount folder mode
-	if *option.dirAutoCreate {
-		os.MkdirAll(dir, os.FileMode(0777)&^umask)
-	}
-	fileInfo, err := os.Stat(dir)
-
-	uid, gid := uint32(0), uint32(0)
-	mountMode := os.ModeDir | 0777
-	if err == nil {
-		mountMode = os.ModeDir | os.FileMode(0777)&^umask
-		uid, gid = util.GetFileUidGid(fileInfo)
-		fmt.Printf("mount point owner uid=%d gid=%d mode=%s\n", uid, gid, mountMode)
-	} else {
-		fmt.Printf("can not stat %s\n", dir)
-		return false
-	}
-
-	if uid == 0 {
-		if u, err := user.Current(); err == nil {
-			if parsedId, pe := strconv.ParseUint(u.Uid, 10, 32); pe == nil {
-				uid = uint32(parsedId)
-			}
-			if parsedId, pe := strconv.ParseUint(u.Gid, 10, 32); pe == nil {
-				gid = uint32(parsedId)
-			}
-			fmt.Printf("current uid=%d gid=%d\n", uid, gid)
-		}
-	}
-
-	// mapping uid, gid
-	uidGidMapper, err := meta_cache.NewUidGidMapper(*option.uidMap, *option.gidMap)
-	if err != nil {
-		fmt.Printf("failed to parse %s %s: %v\n", *option.uidMap, *option.gidMap, err)
-		return false
-	}
-
-	// Ensure target mount point availability
-	if isValid := checkMountPointAvailable(dir); !isValid {
-		glog.Fatalf("Expected mount to still be active, target mount point: %s, please check!", dir)
-		return true
-	}
-
-	mountName := path.Base(dir)
-
-	options := []fuse.MountOption{
-		fuse.VolumeName(mountName),
-		fuse.FSName(*option.filer + ":" + filerMountRootPath),
-		fuse.Subtype("seaweedfs"),
-		// fuse.NoAppleDouble(), // include .DS_Store, otherwise can not delete non-empty folders
-		fuse.NoAppleXattr(),
-		fuse.ExclCreate(),
-		fuse.DaemonTimeout("3600"),
-		fuse.AllowDev(),
-		fuse.AllowSUID(),
-		fuse.DefaultPermissions(),
-		fuse.MaxReadahead(1024 * 512),
-		fuse.AsyncRead(),
-		// fuse.WritebackCache(),
-		// fuse.MaxBackground(1024),
-		// fuse.CongestionThreshold(1024),
-	}
-
-	options = append(options, osSpecificMountOptions()...)
-	if *option.allowOthers {
-		options = append(options, fuse.AllowOther())
-	}
-	if *option.nonempty {
-		options = append(options, fuse.AllowNonEmptyMount())
-	}
-	if *option.readOnly {
-		options = append(options, fuse.ReadOnly())
-	}
-
-	// find mount point
-	mountRoot := filerMountRootPath
-	if mountRoot != "/" && strings.HasSuffix(mountRoot, "/") {
-		mountRoot = mountRoot[0 : len(mountRoot)-1]
-	}
-
-	diskType := types.ToDiskType(*option.diskType)
-
-	seaweedFileSystem := filesys.NewSeaweedFileSystem(&filesys.Option{
-		MountDirectory:     dir,
-		FilerAddresses:     filerAddresses,
-		GrpcDialOption:     grpcDialOption,
-		FilerMountRootPath: mountRoot,
-		Collection:         *option.collection,
-		Replication:        *option.replication,
-		TtlSec:             int32(*option.ttlSec),
-		DiskType:           diskType,
-		ChunkSizeLimit:     int64(chunkSizeLimitMB) * 1024 * 1024,
-		ConcurrentWriters:  *option.concurrentWriters,
-		CacheDir:           *option.cacheDir,
-		CacheSizeMB:        *option.cacheSizeMB,
-		DataCenter:         *option.dataCenter,
-		MountUid:           uid,
-		MountGid:           gid,
-		MountMode:          mountMode,
-		MountCtime:         fileInfo.ModTime(),
-		MountMtime:         time.Now(),
-		MountParentInode:   parentInode,
-		Umask:              umask,
-		VolumeServerAccess: *mountOptions.volumeServerAccess,
-		Cipher:             cipher,
-		UidGidMapper:       uidGidMapper,
-	})
-
-	// mount
-	c, err := fuse.Mount(dir, options...)
-	if err != nil {
-		glog.V(0).Infof("mount: %v", err)
-		return true
-	}
-	defer fuse.Unmount(dir)
-
-	grace.OnInterrupt(func() {
-		fuse.Unmount(dir)
-		c.Close()
-	})
-
-	glog.V(0).Infof("mounted %s%s to %v", *option.filer, mountRoot, dir)
-	server := fs.New(c, nil)
-	seaweedFileSystem.Server = server
-	seaweedFileSystem.StartBackgroundTasks()
-	err = server.Serve(seaweedFileSystem)
-
-	// check if the mount process has an error to report
-	<-c.Ready
-	if err := c.MountError; err != nil {
-		glog.V(0).Infof("mount process: %v", err)
-		return true
-	}
-
-	return true
-}