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wait for reading threads to complete before dropping sealed chunks

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This commit is contained in:
chrislu
2022-01-17 22:24:44 -08:00
parent 0a3f95ca01
commit f4ad63528a
15 changed files with 106 additions and 1086 deletions
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9
weed/filesys/filehandle.go
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@@ -75,6 +75,8 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
buff = make([]byte, req.Size)
}
fh.lockForRead(req.Offset, len(buff))
defer fh.unlockForRead(req.Offset, len(buff))
totalRead, err := fh.readFromChunks(buff, req.Offset)
if err == nil || err == io.EOF {
maxStop := fh.readFromDirtyPages(buff, req.Offset)
@@ -101,6 +103,13 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
return err
}
func (fh *FileHandle) lockForRead(startOffset int64, size int) {
fh.dirtyPages.LockForRead(startOffset, startOffset+int64(size))
}
func (fh *FileHandle) unlockForRead(startOffset int64, size int) {
fh.dirtyPages.UnlockForRead(startOffset, startOffset+int64(size))
}
func (fh *FileHandle) readFromDirtyPages(buff []byte, startOffset int64) (maxStop int64) {
maxStop = fh.dirtyPages.ReadDirtyDataAt(buff, startOffset)
return