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mount: file handle locks entry better

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related to https://github.com/chrislusf/seaweedfs/issues/2952
This commit is contained in:
chrislu 2022-06-05 18:15:06 -07:00
parent 746092a60b
commit d65bb2c6df
7 changed files with 47 additions and 15 deletions
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2
weed/mount/dirty_pages_chunked.go
View file

@ -84,7 +84,7 @@ func (pages *ChunkedDirtyPages) saveChunkedFileIntevalToStorage(reader io.Reader
}
chunk.Mtime = mtime
pages.collection, pages.replication = collection, replication
pages.fh.addChunks([]*filer_pb.FileChunk{chunk})
pages.fh.AddChunks([]*filer_pb.FileChunk{chunk})
pages.fh.entryViewCache = nil
glog.V(3).Infof("%v saveToStorage %s [%d,%d)", fileFullPath, chunk.FileId, offset, offset+size)

19
weed/mount/filehandle.go
View file

@ -16,7 +16,7 @@ type FileHandle struct {
fh FileHandleId
counter int64
entry *filer_pb.Entry
chunkAddLock sync.Mutex
entryLock sync.Mutex
inode uint64
wfs *WFS
@ -53,7 +53,20 @@ func (fh *FileHandle) FullPath() util.FullPath {
return fp
}
func (fh *FileHandle) addChunks(chunks []*filer_pb.FileChunk) {
func (fh *FileHandle) GetEntry() *filer_pb.Entry {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
return fh.entry
}
func (fh *FileHandle) SetEntry(entry *filer_pb.Entry) {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
fh.entry = entry
}
func (fh *FileHandle) AddChunks(chunks []*filer_pb.FileChunk) {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
// find the earliest incoming chunk
newChunks := chunks
@ -82,10 +95,8 @@ func (fh *FileHandle) addChunks(chunks []*filer_pb.FileChunk) {
glog.V(4).Infof("%s existing %d chunks adds %d more", fh.FullPath(), len(fh.entry.Chunks), len(chunks))
fh.chunkAddLock.Lock()
fh.entry.Chunks = append(fh.entry.Chunks, newChunks...)
fh.entryViewCache = nil
fh.chunkAddLock.Unlock()
}
func (fh *FileHandle) Release() {

3
weed/mount/filehandle_read.go
View file

@ -25,6 +25,9 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
fileFullPath := fh.FullPath()
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
entry := fh.entry
if entry == nil {
return 0, io.EOF

7
weed/mount/weedfs.go
View file

@ -131,10 +131,11 @@ func (wfs *WFS) maybeReadEntry(inode uint64) (path util.FullPath, fh *FileHandle
}
var found bool
if fh, found = wfs.fhmap.FindFileHandle(inode); found {
if fh.entry.Attributes == nil {
fh.entry.Attributes = &filer_pb.FuseAttributes{}
entry = fh.GetEntry()
if entry != nil && fh.entry.Attributes == nil {
entry.Attributes = &filer_pb.FuseAttributes{}
}
return path, fh, fh.entry, fuse.OK
return path, fh, entry, fuse.OK
}
entry, status = wfs.maybeLoadEntry(path)
return

4
weed/mount/weedfs_attr.go
View file

@ -43,6 +43,10 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
if status != fuse.OK {
return status
}
if fh != nil {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
}
if size, ok := input.GetSize(); ok {
glog.V(4).Infof("%v setattr set size=%v chunks=%d", path, size, len(entry.Chunks))

3
weed/mount/weedfs_file_sync.go
View file

@ -118,6 +118,9 @@ func (wfs *WFS) doFlush(fh *FileHandle, uid, gid uint32) fuse.Status {
err := wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
entry := fh.entry
if entry == nil {
return nil

14
weed/mount/weedfs_xattr.go
View file

@ -94,10 +94,15 @@ func (wfs *WFS) SetXAttr(cancel <-chan struct{}, input *fuse.SetXAttrIn, attr st
}
}
path, _, entry, status := wfs.maybeReadEntry(input.NodeId)
path, fh, entry, status := wfs.maybeReadEntry(input.NodeId)
if status != fuse.OK {
return status
}
if fh != nil {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
}
if entry.Extended == nil {
entry.Extended = make(map[string][]byte)
}
@ -154,10 +159,15 @@ func (wfs *WFS) RemoveXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr
if len(attr) == 0 {
return fuse.EINVAL
}
path, _, entry, status := wfs.maybeReadEntry(header.NodeId)
path, fh, entry, status := wfs.maybeReadEntry(header.NodeId)
if status != fuse.OK {
return status
}
if fh != nil {
fh.entryLock.Lock()
defer fh.entryLock.Unlock()
}
if entry.Extended == nil {
return fuse.ENOATTR
}