forked from hanwen/go-fuse
/
main.go
56 lines (48 loc) · 1.71 KB
/
main.go
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package main
import (
"flag"
"fmt"
"github.com/hanwen/go-fuse/fuse"
"github.com/hanwen/go-fuse/unionfs"
"log"
"os"
"time"
)
func main() {
debug := flag.Bool("debug", false, "debug on")
portable := flag.Bool("portable", false, "use 32 bit inodes")
entry_ttl := flag.Float64("entry_ttl", 1.0, "fuse entry cache TTL.")
negative_ttl := flag.Float64("negative_ttl", 1.0, "fuse negative entry cache TTL.")
delcache_ttl := flag.Float64("deletion_cache_ttl", 5.0, "Deletion cache TTL in seconds.")
branchcache_ttl := flag.Float64("branchcache_ttl", 5.0, "Branch cache TTL in seconds.")
deldirname := flag.String(
"deletion_dirname", "GOUNIONFS_DELETIONS", "Directory name to use for deletions.")
flag.Parse()
if len(flag.Args()) < 2 {
fmt.Println("Usage:\n unionfs MOUNTPOINT RW-DIRECTORY RO-DIRECTORY ...")
os.Exit(2)
}
ufsOptions := unionfs.UnionFsOptions{
DeletionCacheTTL: time.Duration(*delcache_ttl * float64(time.Second)),
BranchCacheTTL: time.Duration(*branchcache_ttl * float64(time.Second)),
DeletionDirName: *deldirname,
}
ufs, err := unionfs.NewUnionFsFromRoots(flag.Args()[1:], &ufsOptions, true)
if err != nil {
log.Fatal("Cannot create UnionFs", err)
os.Exit(1)
}
nodeFs := fuse.NewPathNodeFs(ufs, &fuse.PathNodeFsOptions{ClientInodes: true})
mOpts := fuse.FileSystemOptions{
EntryTimeout: time.Duration(*entry_ttl * float64(time.Second)),
AttrTimeout: time.Duration(*entry_ttl * float64(time.Second)),
NegativeTimeout: time.Duration(*negative_ttl * float64(time.Second)),
PortableInodes: *portable,
}
mountState, _, err := fuse.MountNodeFileSystem(flag.Arg(0), nodeFs, &mOpts)
if err != nil {
log.Fatal("Mount fail:", err)
}
mountState.Debug = *debug
mountState.Loop()
}