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Rename CacheUnionFs -> CacheOnReadFs

This commit is contained in:
Steve Francia 2016-01-11 20:25:54 -05:00
parent a3ed628486
commit 9d548259fd
2 changed files with 18 additions and 18 deletions
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32
union_cache.go
View File

@ -19,7 +19,7 @@ import (
// system first. To prevent writing to the base Fs, wrap it in a read-only
// filter - Note: this will also make the overlay read-only, for writing files
// in the overlay, use the overlay Fs directly, not via the union Fs.
type CacheUnionFs struct {
type CacheOnReadFs struct {
base Fs
layer Fs
cacheTime time.Duration
@ -42,7 +42,7 @@ const (
cacheLocal
)
func (u *CacheUnionFs) cacheStatus(name string) (state cacheState, fi os.FileInfo, err error) {
func (u *CacheOnReadFs) cacheStatus(name string) (state cacheState, fi os.FileInfo, err error) {
var lfi, bfi os.FileInfo
lfi, err = u.layer.Stat(name)
if err == nil {
@ -73,11 +73,11 @@ func (u *CacheUnionFs) cacheStatus(name string) (state cacheState, fi os.FileInf
return cacheMiss, nil, err
}
func (u *CacheUnionFs) copyToLayer(name string) error {
func (u *CacheOnReadFs) copyToLayer(name string) error {
return copyToLayer(u.base, u.layer, name)
}
func (u *CacheUnionFs) Chtimes(name string, atime, mtime time.Time) error {
func (u *CacheOnReadFs) Chtimes(name string, atime, mtime time.Time) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
@ -98,7 +98,7 @@ func (u *CacheUnionFs) Chtimes(name string, atime, mtime time.Time) error {
return u.layer.Chtimes(name, atime, mtime)
}
func (u *CacheUnionFs) Chmod(name string, mode os.FileMode) error {
func (u *CacheOnReadFs) Chmod(name string, mode os.FileMode) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
@ -119,7 +119,7 @@ func (u *CacheUnionFs) Chmod(name string, mode os.FileMode) error {
return u.layer.Chmod(name, mode)
}
func (u *CacheUnionFs) Stat(name string) (os.FileInfo, error) {
func (u *CacheOnReadFs) Stat(name string) (os.FileInfo, error) {
st, fi, err := u.cacheStatus(name)
if err != nil {
return nil, err
@ -132,7 +132,7 @@ func (u *CacheUnionFs) Stat(name string) (os.FileInfo, error) {
}
}
func (u *CacheUnionFs) Rename(oldname, newname string) error {
func (u *CacheOnReadFs) Rename(oldname, newname string) error {
st, _, err := u.cacheStatus(oldname)
if err != nil {
return err
@ -153,7 +153,7 @@ func (u *CacheUnionFs) Rename(oldname, newname string) error {
return u.layer.Rename(oldname, newname)
}
func (u *CacheUnionFs) Remove(name string) error {
func (u *CacheOnReadFs) Remove(name string) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
@ -169,7 +169,7 @@ func (u *CacheUnionFs) Remove(name string) error {
return u.layer.Remove(name)
}
func (u *CacheUnionFs) RemoveAll(name string) error {
func (u *CacheOnReadFs) RemoveAll(name string) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
@ -185,7 +185,7 @@ func (u *CacheUnionFs) RemoveAll(name string) error {
return u.layer.RemoveAll(name)
}
func (u *CacheUnionFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
func (u *CacheOnReadFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
st, _, err := u.cacheStatus(name)
if err != nil {
return nil, err
@ -212,7 +212,7 @@ func (u *CacheUnionFs) OpenFile(name string, flag int, perm os.FileMode) (File,
return u.layer.OpenFile(name, flag, perm)
}
func (u *CacheUnionFs) Open(name string) (File, error) {
func (u *CacheOnReadFs) Open(name string) (File, error) {
st, fi, err := u.cacheStatus(name)
if err != nil {
return nil, err
@ -256,7 +256,7 @@ func (u *CacheUnionFs) Open(name string) (File, error) {
return &UnionFile{base: bfile, layer: lfile}, nil
}
func (u *CacheUnionFs) Mkdir(name string, perm os.FileMode) error {
func (u *CacheOnReadFs) Mkdir(name string, perm os.FileMode) error {
err := u.base.Mkdir(name, perm)
if err != nil {
return err
@ -264,11 +264,11 @@ func (u *CacheUnionFs) Mkdir(name string, perm os.FileMode) error {
return u.layer.MkdirAll(name, perm) // yes, MkdirAll... we cannot assume it exists in the cache
}
func (u *CacheUnionFs) Name() string {
return "CacheUnionFs"
func (u *CacheOnReadFs) Name() string {
return "CacheOnReadFs"
}
func (u *CacheUnionFs) MkdirAll(name string, perm os.FileMode) error {
func (u *CacheOnReadFs) MkdirAll(name string, perm os.FileMode) error {
err := u.base.MkdirAll(name, perm)
if err != nil {
return err
@ -276,7 +276,7 @@ func (u *CacheUnionFs) MkdirAll(name string, perm os.FileMode) error {
return u.layer.MkdirAll(name, perm)
}
func (u *CacheUnionFs) Create(name string) (File, error) {
func (u *CacheOnReadFs) Create(name string) (File, error) {
bfh, err := u.base.Create(name)
if err != nil {
return nil, err

4
union_test.go
View File

@ -86,7 +86,7 @@ func TestUnionCacheWrite(t *testing.T) {
base := &MemMapFs{}
layer := &MemMapFs{}
ufs := &CacheUnionFs{base: base, layer: layer, cacheTime: 0}
ufs := &CacheOnReadFs{base: base, layer: layer, cacheTime: 0}
base.Mkdir("/data", 0777)
@ -115,7 +115,7 @@ func TestUnionCacheWrite(t *testing.T) {
func TestUnionCacheExpire(t *testing.T) {
base := &MemMapFs{}
layer := &MemMapFs{}
ufs := &CacheUnionFs{base: base, layer: layer, cacheTime: 1 * time.Second}
ufs := &CacheOnReadFs{base: base, layer: layer, cacheTime: 1 * time.Second}
base.Mkdir("/data", 0777)