951099dbed
In my testing with local and remote storage this is a good compromise between delaying the seeks and failing to wait for in sequence reads. See: https://forum.rclone.org/t/constantly-high-iowait-add-log/14156/40
57 lines
2 KiB
Go
57 lines
2 KiB
Go
package vfscommon
|
|
|
|
import (
|
|
"os"
|
|
"runtime"
|
|
"time"
|
|
|
|
"github.com/rclone/rclone/fs"
|
|
)
|
|
|
|
// Options is options for creating the vfs
|
|
type Options struct {
|
|
NoSeek bool // don't allow seeking if set
|
|
NoChecksum bool // don't check checksums if set
|
|
ReadOnly bool // if set VFS is read only
|
|
NoModTime bool // don't read mod times for files
|
|
DirCacheTime time.Duration // how long to consider directory listing cache valid
|
|
PollInterval time.Duration
|
|
Umask int
|
|
UID uint32
|
|
GID uint32
|
|
DirPerms os.FileMode
|
|
FilePerms os.FileMode
|
|
ChunkSize fs.SizeSuffix // if > 0 read files in chunks
|
|
ChunkSizeLimit fs.SizeSuffix // if > ChunkSize double the chunk size after each chunk until reached
|
|
CacheMode CacheMode
|
|
CacheMaxAge time.Duration
|
|
CacheMaxSize fs.SizeSuffix
|
|
CachePollInterval time.Duration
|
|
CaseInsensitive bool
|
|
WriteWait time.Duration // time to wait for in-sequence write
|
|
ReadWait time.Duration // time to wait for in-sequence read
|
|
}
|
|
|
|
// DefaultOpt is the default values uses for Opt
|
|
var DefaultOpt = Options{
|
|
NoModTime: false,
|
|
NoChecksum: false,
|
|
NoSeek: false,
|
|
DirCacheTime: 5 * 60 * time.Second,
|
|
PollInterval: time.Minute,
|
|
ReadOnly: false,
|
|
Umask: 0,
|
|
UID: ^uint32(0), // these values instruct WinFSP-FUSE to use the current user
|
|
GID: ^uint32(0), // overriden for non windows in mount_unix.go
|
|
DirPerms: os.FileMode(0777),
|
|
FilePerms: os.FileMode(0666),
|
|
CacheMode: CacheModeOff,
|
|
CacheMaxAge: 3600 * time.Second,
|
|
CachePollInterval: 60 * time.Second,
|
|
ChunkSize: 128 * fs.MebiByte,
|
|
ChunkSizeLimit: -1,
|
|
CacheMaxSize: -1,
|
|
CaseInsensitive: runtime.GOOS == "windows" || runtime.GOOS == "darwin", // default to true on Windows and Mac, false otherwise
|
|
WriteWait: 1000 * time.Millisecond,
|
|
ReadWait: 20 * time.Millisecond,
|
|
}
|