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reverting and working

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This commit is contained in:
Chris Lu 2020-06-28 10:14:17 -07:00
parent b813fac4a3
commit 1bb8cae65d
11 changed files with 478 additions and 53 deletions
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2
weed/command/mount.go
View file

@ -21,6 +21,7 @@ type MountOptions struct {
umaskString *string
nonempty *bool
outsideContainerClusterMode *bool
asyncMetaDataCaching *bool
}
var (
@ -49,6 +50,7 @@ func init() {
mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
mountOptions.outsideContainerClusterMode = cmdMount.Flag.Bool("outsideContainerClusterMode", false, "allows other users to access the file system")
mountOptions.asyncMetaDataCaching = cmdMount.Flag.Bool("asyncMetaDataCaching", true, "async meta data caching. this feature will be permanent and this option will be removed.")
}
var cmdMount = &Command{

1
weed/command/mount_std.go
View file

@ -170,6 +170,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
MountMtime: time.Now(),
Umask: umask,
OutsideContainerClusterMode: *mountOptions.outsideContainerClusterMode,
AsyncMetaDataCaching: *mountOptions.asyncMetaDataCaching,
Cipher: cipher,
})

101
weed/filesys/dir.go
View file

@ -7,13 +7,14 @@ import (
"strings"
"time"
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
)
type Dir struct {
@ -90,18 +91,22 @@ func (dir *Dir) setRootDirAttributes(attr *fuse.Attr) {
}
func (dir *Dir) newFile(name string, entry *filer_pb.Entry) fs.Node {
return &File{
Name: name,
dir: dir,
wfs: dir.wfs,
entry: entry,
entryViewCache: nil,
}
return dir.wfs.fsNodeCache.EnsureFsNode(util.NewFullPath(dir.FullPath(), name), func() fs.Node {
return &File{
Name: name,
dir: dir,
wfs: dir.wfs,
entry: entry,
entryViewCache: nil,
}
})
}
func (dir *Dir) newDirectory(fullpath util.FullPath, entry *filer_pb.Entry) fs.Node {
return &Dir{name: entry.Name, wfs: dir.wfs, entry: entry, parent: dir}
return dir.wfs.fsNodeCache.EnsureFsNode(fullpath, func() fs.Node {
return &Dir{name: entry.Name, wfs: dir.wfs, entry: entry, parent: dir}
})
}
@ -136,7 +141,9 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
return fuse.EIO
}
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
return nil
}); err != nil {
@ -185,7 +192,9 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err
return err
}
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
return nil
})
@ -205,15 +214,18 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
glog.V(4).Infof("dir Lookup %s: %s by %s", dir.FullPath(), req.Name, req.Header.String())
dirPath := dir.FullPath()
fullFilePath := util.NewFullPath(dirPath, req.Name)
fullFilePath := util.NewFullPath(dir.FullPath(), req.Name)
entry := dir.wfs.cacheGet(fullFilePath)
dirPath := util.FullPath(dir.FullPath())
meta_cache.EnsureVisited(dir.wfs.metaCache, dir.wfs, util.FullPath(dirPath))
cachedEntry, cacheErr := dir.wfs.metaCache.FindEntry(context.Background(), fullFilePath)
if cacheErr == filer_pb.ErrNotFound {
return nil, fuse.ENOENT
if dir.wfs.option.AsyncMetaDataCaching {
cachedEntry, cacheErr := dir.wfs.metaCache.FindEntry(context.Background(), fullFilePath)
if cacheErr == filer_pb.ErrNotFound {
return nil, fuse.ENOENT
}
entry = cachedEntry.ToProtoEntry()
}
entry := cachedEntry.ToProtoEntry()
if entry == nil {
// glog.V(3).Infof("dir Lookup cache miss %s", fullFilePath)
@ -222,6 +234,7 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
glog.V(1).Infof("dir GetEntry %s: %v", fullFilePath, err)
return nil, fuse.ENOENT
}
dir.wfs.cacheSet(fullFilePath, entry, 5*time.Minute)
} else {
glog.V(4).Infof("dir Lookup cache hit %s", fullFilePath)
}
@ -253,6 +266,7 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
glog.V(3).Infof("dir ReadDirAll %s", dir.FullPath())
cacheTtl := 5 * time.Minute
processEachEntryFn := func(entry *filer_pb.Entry, isLast bool) error {
fullpath := util.NewFullPath(dir.FullPath(), entry.Name)
inode := fullpath.AsInode()
@ -263,21 +277,31 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
dirent := fuse.Dirent{Inode: inode, Name: entry.Name, Type: fuse.DT_File}
ret = append(ret, dirent)
}
dir.wfs.cacheSet(fullpath, entry, cacheTtl)
return nil
}
dirPath := util.FullPath(dir.FullPath())
meta_cache.EnsureVisited(dir.wfs.metaCache, dir.wfs, dirPath)
listedEntries, listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), dirPath, "", false, int(dir.wfs.option.DirListCacheLimit))
if listErr != nil {
glog.Errorf("list meta cache: %v", listErr)
return nil, fuse.EIO
if dir.wfs.option.AsyncMetaDataCaching {
listedEntries, listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), util.FullPath(dir.FullPath()), "", false, int(dir.wfs.option.DirListCacheLimit))
if listErr != nil {
glog.Errorf("list meta cache: %v", listErr)
return nil, fuse.EIO
}
for _, cachedEntry := range listedEntries {
processEachEntryFn(cachedEntry.ToProtoEntry(), false)
}
return
}
for _, cachedEntry := range listedEntries {
processEachEntryFn(cachedEntry.ToProtoEntry(), false)
}
return
readErr := filer_pb.ReadDirAllEntries(dir.wfs, util.FullPath(dir.FullPath()), "", processEachEntryFn)
if readErr != nil {
glog.V(0).Infof("list %s: %v", dir.FullPath(), err)
return ret, fuse.EIO
}
return ret, err
}
func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
@ -303,7 +327,12 @@ func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error {
dir.wfs.deleteFileChunks(entry.Chunks)
dir.wfs.metaCache.DeleteEntry(context.Background(), filePath)
dir.wfs.cacheDelete(filePath)
dir.wfs.fsNodeCache.DeleteFsNode(filePath)
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.DeleteEntry(context.Background(), filePath)
}
glog.V(3).Infof("remove file: %v", req)
err = filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, false, false, false)
@ -319,8 +348,12 @@ func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error {
func (dir *Dir) removeFolder(req *fuse.RemoveRequest) error {
t := util.NewFullPath(dir.FullPath(), req.Name)
dir.wfs.cacheDelete(t)
dir.wfs.fsNodeCache.DeleteFsNode(t)
dir.wfs.metaCache.DeleteEntry(context.Background(), t)
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.DeleteEntry(context.Background(), t)
}
glog.V(3).Infof("remove directory entry: %v", req)
err := filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, true, false, false)
@ -357,6 +390,8 @@ func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fus
dir.entry.Attributes.Mtime = req.Mtime.Unix()
}
dir.wfs.cacheDelete(util.FullPath(dir.FullPath()))
return dir.saveEntry()
}
@ -373,6 +408,8 @@ func (dir *Dir) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error {
return err
}
dir.wfs.cacheDelete(util.FullPath(dir.FullPath()))
return dir.saveEntry()
}
@ -389,6 +426,8 @@ func (dir *Dir) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) e
return err
}
dir.wfs.cacheDelete(util.FullPath(dir.FullPath()))
return dir.saveEntry()
}
@ -411,6 +450,8 @@ func (dir *Dir) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp
func (dir *Dir) Forget() {
glog.V(3).Infof("Forget dir %s", dir.FullPath())
dir.wfs.fsNodeCache.DeleteFsNode(util.FullPath(dir.FullPath()))
}
func (dir *Dir) maybeLoadEntry() error {
@ -443,7 +484,9 @@ func (dir *Dir) saveEntry() error {
return fuse.EIO
}
dir.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
return nil
})

4
weed/filesys/dir_link.go
View file

@ -42,7 +42,9 @@ func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node,
return fuse.EIO
}
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
if dir.wfs.option.AsyncMetaDataCaching {
dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
return nil
})

9
weed/filesys/dir_rename.go
View file

@ -38,5 +38,14 @@ func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirector
})
if err == nil {
dir.wfs.cacheDelete(newPath)
dir.wfs.cacheDelete(oldPath)
// fmt.Printf("rename path: %v => %v\n", oldPath, newPath)
dir.wfs.fsNodeCache.Move(oldPath, newPath)
}
return err
}

13
weed/filesys/file.go
View file

@ -150,6 +150,8 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
return nil
}
file.wfs.cacheDelete(file.fullpath())
return file.saveEntry()
}
@ -166,6 +168,8 @@ func (file *File) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error
return err
}
file.wfs.cacheDelete(file.fullpath())
return file.saveEntry()
}
@ -182,6 +186,8 @@ func (file *File) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest)
return err
}
file.wfs.cacheDelete(file.fullpath())
return file.saveEntry()
}
@ -212,7 +218,8 @@ func (file *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
func (file *File) Forget() {
t := util.NewFullPath(file.dir.FullPath(), file.Name)
glog.V(4).Infof("Forget file %s", t)
glog.V(3).Infof("Forget file %s", t)
file.wfs.fsNodeCache.DeleteFsNode(t)
}
func (file *File) maybeLoadEntry(ctx context.Context) error {
@ -271,7 +278,9 @@ func (file *File) saveEntry() error {
return fuse.EIO
}
file.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
if file.wfs.option.AsyncMetaDataCaching {
file.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
return nil
})

4
weed/filesys/filehandle.go
View file

@ -215,7 +215,9 @@ func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
return fmt.Errorf("fh flush create %s: %v", fh.f.fullpath(), err)
}
fh.f.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
if fh.f.wfs.option.AsyncMetaDataCaching {
fh.f.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
}
fh.f.wfs.deleteFileChunks(garbages)
for i, chunk := range garbages {

207
weed/filesys/fscache.go Normal file
View file

@ -0,0 +1,207 @@
package filesys
import (
"sync"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/seaweedfs/fuse/fs"
)
type FsCache struct {
root *FsNode
sync.RWMutex
}
type FsNode struct {
parent *FsNode
node fs.Node
name string
childrenLock sync.RWMutex
children map[string]*FsNode
}
func newFsCache(root fs.Node) *FsCache {
return &FsCache{
root: &FsNode{
node: root,
},
}
}
func (c *FsCache) GetFsNode(path util.FullPath) fs.Node {
c.RLock()
defer c.RUnlock()
return c.doGetFsNode(path)
}
func (c *FsCache) doGetFsNode(path util.FullPath) fs.Node {
t := c.root
for _, p := range path.Split() {
t = t.findChild(p)
if t == nil {
return nil
}
}
return t.node
}
func (c *FsCache) SetFsNode(path util.FullPath, node fs.Node) {
c.Lock()
defer c.Unlock()
c.doSetFsNode(path, node)
}
func (c *FsCache) doSetFsNode(path util.FullPath, node fs.Node) {
t := c.root
for _, p := range path.Split() {
t = t.ensureChild(p)
}
t.node = node
}
func (c *FsCache) EnsureFsNode(path util.FullPath, genNodeFn func() fs.Node) fs.Node {
c.Lock()
defer c.Unlock()
t := c.doGetFsNode(path)
if t != nil {
return t
}
t = genNodeFn()
c.doSetFsNode(path, t)
return t
}
func (c *FsCache) DeleteFsNode(path util.FullPath) {
c.Lock()
defer c.Unlock()
t := c.root
for _, p := range path.Split() {
t = t.findChild(p)
if t == nil {
return
}
}
if t.parent != nil {
t.parent.disconnectChild(t)
}
t.deleteSelf()
}
// oldPath and newPath are full path including the new name
func (c *FsCache) Move(oldPath util.FullPath, newPath util.FullPath) *FsNode {
c.Lock()
defer c.Unlock()
// find old node
src := c.root
for _, p := range oldPath.Split() {
src = src.findChild(p)
if src == nil {
return src
}
}
if src.parent != nil {
src.parent.disconnectChild(src)
}
// find new node
target := c.root
for _, p := range newPath.Split() {
target = target.ensureChild(p)
}
parent := target.parent
src.name = target.name
if dir, ok := src.node.(*Dir); ok {
dir.name = target.name // target is not Dir, but a shortcut
}
if f, ok := src.node.(*File); ok {
f.Name = target.name
if f.entry != nil {
f.entry.Name = f.Name
}
}
parent.disconnectChild(target)
target.deleteSelf()
src.connectToParent(parent)
return src
}
func (n *FsNode) connectToParent(parent *FsNode) {
n.parent = parent
oldNode := parent.findChild(n.name)
if oldNode != nil {
oldNode.deleteSelf()
}
if dir, ok := n.node.(*Dir); ok {
dir.parent = parent.node.(*Dir)
}
if f, ok := n.node.(*File); ok {
f.dir = parent.node.(*Dir)
}
n.childrenLock.Lock()
parent.children[n.name] = n
n.childrenLock.Unlock()
}
func (n *FsNode) findChild(name string) *FsNode {
n.childrenLock.RLock()
defer n.childrenLock.RUnlock()
child, found := n.children[name]
if found {
return child
}
return nil
}
func (n *FsNode) ensureChild(name string) *FsNode {
n.childrenLock.Lock()
defer n.childrenLock.Unlock()
if n.children == nil {
n.children = make(map[string]*FsNode)
}
child, found := n.children[name]
if found {
return child
}
t := &FsNode{
parent: n,
node: nil,
name: name,
children: nil,
}
n.children[name] = t
return t
}
func (n *FsNode) disconnectChild(child *FsNode) {
n.childrenLock.Lock()
delete(n.children, child.name)
n.childrenLock.Unlock()
child.parent = nil
}
func (n *FsNode) deleteSelf() {
n.childrenLock.Lock()
for _, child := range n.children {
child.deleteSelf()
}
n.children = nil
n.childrenLock.Unlock()
n.node = nil
n.parent = nil
}

96
weed/filesys/fscache_test.go Normal file
View file

@ -0,0 +1,96 @@
package filesys
import (
"testing"
"github.com/chrislusf/seaweedfs/weed/util"
)
func TestPathSplit(t *testing.T) {
parts := util.FullPath("/").Split()
if len(parts) != 0 {
t.Errorf("expecting an empty list, but getting %d", len(parts))
}
parts = util.FullPath("/readme.md").Split()
if len(parts) != 1 {
t.Errorf("expecting an empty list, but getting %d", len(parts))
}
}
func TestFsCache(t *testing.T) {
cache := newFsCache(nil)
x := cache.GetFsNode(util.FullPath("/y/x"))
if x != nil {
t.Errorf("wrong node!")
}
p := util.FullPath("/a/b/c")
cache.SetFsNode(p, &File{Name: "cc"})
tNode := cache.GetFsNode(p)
tFile := tNode.(*File)
if tFile.Name != "cc" {
t.Errorf("expecting a FsNode")
}
cache.SetFsNode(util.FullPath("/a/b/d"), &File{Name: "dd"})
cache.SetFsNode(util.FullPath("/a/b/e"), &File{Name: "ee"})
cache.SetFsNode(util.FullPath("/a/b/f"), &File{Name: "ff"})
cache.SetFsNode(util.FullPath("/z"), &File{Name: "zz"})
cache.SetFsNode(util.FullPath("/a"), &File{Name: "aa"})
b := cache.GetFsNode(util.FullPath("/a/b"))
if b != nil {
t.Errorf("unexpected node!")
}
a := cache.GetFsNode(util.FullPath("/a"))
if a == nil {
t.Errorf("missing node!")
}
cache.DeleteFsNode(util.FullPath("/a"))
if b != nil {
t.Errorf("unexpected node!")
}
a = cache.GetFsNode(util.FullPath("/a"))
if a != nil {
t.Errorf("wrong DeleteFsNode!")
}
z := cache.GetFsNode(util.FullPath("/z"))
if z == nil {
t.Errorf("missing node!")
}
y := cache.GetFsNode(util.FullPath("/x/y"))
if y != nil {
t.Errorf("wrong node!")
}
}
func TestFsCacheMove(t *testing.T) {
cache := newFsCache(nil)
cache.SetFsNode(util.FullPath("/a/b/d"), &File{Name: "dd"})
cache.SetFsNode(util.FullPath("/a/b/e"), &File{Name: "ee"})
cache.SetFsNode(util.FullPath("/z"), &File{Name: "zz"})
cache.SetFsNode(util.FullPath("/a"), &File{Name: "aa"})
cache.Move(util.FullPath("/a/b"), util.FullPath("/z/x"))
d := cache.GetFsNode(util.FullPath("/z/x/d"))
if d == nil {
t.Errorf("unexpected nil node!")
}
if d.(*File).Name != "dd" {
t.Errorf("unexpected non dd node!")
}
}

52
weed/filesys/wfs.go
View file

@ -10,12 +10,9 @@ import (
"sync"
"time"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
"github.com/karlseguin/ccache"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
"github.com/chrislusf/seaweedfs/weed/glog"
@ -23,6 +20,8 @@ import (
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/util/chunk_cache"
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
)
type Option struct {
@ -48,6 +47,7 @@ type Option struct {
OutsideContainerClusterMode bool // whether the mount runs outside SeaweedFS containers
Cipher bool // whether encrypt data on volume server
AsyncMetaDataCaching bool // whether asynchronously cache meta data
}
@ -56,6 +56,7 @@ var _ = fs.FSStatfser(&WFS{})
type WFS struct {
option *Option
listDirectoryEntriesCache *ccache.Cache
// contains all open handles, protected by handlesLock
handlesLock sync.Mutex
@ -66,6 +67,7 @@ type WFS struct {
stats statsCache
root fs.Node
fsNodeCache *FsCache
chunkCache *chunk_cache.ChunkCache
metaCache *meta_cache.MetaCache
@ -78,6 +80,7 @@ type statsCache struct {
func NewSeaweedFileSystem(option *Option) *WFS {
wfs := &WFS{
option: option,
listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(option.DirListCacheLimit * 3).ItemsToPrune(100)),
handles: make(map[uint64]*FileHandle),
bufPool: sync.Pool{
New: func() interface{} {
@ -92,18 +95,21 @@ func NewSeaweedFileSystem(option *Option) *WFS {
wfs.chunkCache.Shutdown()
})
}
wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.CacheDir, "meta"))
startTime := time.Now()
if err := meta_cache.InitMetaCache(wfs.metaCache, wfs, wfs.option.FilerMountRootPath); err != nil {
glog.V(0).Infof("failed to init meta cache: %v", err)
} else {
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
grace.OnInterrupt(func() {
wfs.metaCache.Shutdown()
})
if wfs.option.AsyncMetaDataCaching {
wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.CacheDir, "meta"))
startTime := time.Now()
if err := meta_cache.InitMetaCache(wfs.metaCache, wfs, wfs.option.FilerMountRootPath); err != nil {
glog.V(0).Infof("failed to init meta cache: %v", err)
} else {
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
grace.OnInterrupt(func() {
wfs.metaCache.Shutdown()
})
}
}
wfs.root = &Dir{name: wfs.option.FilerMountRootPath, wfs: wfs}
wfs.fsNodeCache = newFsCache(wfs.root)
return wfs
}
@ -223,6 +229,24 @@ func (wfs *WFS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.
return nil
}
func (wfs *WFS) cacheGet(path util.FullPath) *filer_pb.Entry {
item := wfs.listDirectoryEntriesCache.Get(string(path))
if item != nil && !item.Expired() {
return item.Value().(*filer_pb.Entry)
}
return nil
}
func (wfs *WFS) cacheSet(path util.FullPath, entry *filer_pb.Entry, ttl time.Duration) {
if entry == nil {
wfs.listDirectoryEntriesCache.Delete(string(path))
} else {
wfs.listDirectoryEntriesCache.Set(string(path), entry, ttl)
}
}
func (wfs *WFS) cacheDelete(path util.FullPath) {
wfs.listDirectoryEntriesCache.Delete(string(path))
}
func (wfs *WFS) AdjustedUrl(hostAndPort string) string {
if !wfs.option.OutsideContainerClusterMode {
return hostAndPort

42
weed/filesys/xattr.go
View file

@ -3,11 +3,11 @@ package filesys
import (
"context"
"github.com/seaweedfs/fuse"
"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/seaweedfs/fuse"
)
func getxattr(entry *filer_pb.Entry, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error {
@ -111,14 +111,44 @@ func listxattr(entry *filer_pb.Entry, req *fuse.ListxattrRequest, resp *fuse.Lis
func (wfs *WFS) maybeLoadEntry(dir, name string) (entry *filer_pb.Entry, err error) {
fullpath := util.NewFullPath(dir, name)
entry = wfs.cacheGet(fullpath)
if entry != nil {
return
}
// glog.V(3).Infof("read entry cache miss %s", fullpath)
// read from async meta cache
meta_cache.EnsureVisited(wfs.metaCache, wfs, util.FullPath(dir))
cachedEntry, cacheErr := wfs.metaCache.FindEntry(context.Background(), fullpath)
if cacheErr == filer_pb.ErrNotFound {
return nil, fuse.ENOENT
if wfs.option.AsyncMetaDataCaching {
cachedEntry, cacheErr := wfs.metaCache.FindEntry(context.Background(), fullpath)
if cacheErr == filer_pb.ErrNotFound {
return nil, fuse.ENOENT
}
return cachedEntry.ToProtoEntry(), nil
}
return cachedEntry.ToProtoEntry(), nil
err = wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Name: name,
Directory: dir,
}
resp, err := filer_pb.LookupEntry(client, request)
if err != nil {
if err == filer_pb.ErrNotFound {
glog.V(3).Infof("file attr read not found file %v: %v", request, err)
return fuse.ENOENT
}
glog.V(3).Infof("attr read %v: %v", request, err)
return fuse.EIO
}
entry = resp.Entry
wfs.cacheSet(fullpath, entry, wfs.option.EntryCacheTtl)
return nil
})
return
}