perf(link): optimize concurrent response

[j2rong4cn]

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[github-actions]

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[Copilot]

Pull Request Overview

This performance optimization pull request optimizes concurrent response link handling by implementing proper resource management for link objects and refactoring range reading interfaces. The changes improve memory efficiency and prevent resource leaks through systematic use of defer statements for closing links.

Key changes include:

• Implementing consistent resource cleanup with defer link.Close() across multiple handlers
• Refactoring RangeReadCloser interface to use RangeReader for better abstraction
• Adding reference counting for shared link resources to support concurrent access safely

Reviewed Changes

Copilot reviewed 78 out of 78 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
server/webdav/webdav.go	Added defer link.Close() calls for proper resource cleanup
server/handles/*.go	Standardized link resource management with defer statements
server/s3/backend.go	Refactored to use new RangeReader interface with proper cleanup
pkg/utils/io.go	Enhanced Closers implementation with sync support and reference counting
internal/stream/util.go	Replaced RangeReadCloser with RangeReader interface
internal/model/args.go	Updated Link struct to use RangeReader and added Close method
drivers/*	Updated driver configurations to use new field names

Comments suppressed due to low confidence (1)

server/s3/backend.go:145

• [nitpick] The parameter name 's3Obj' is inconsistent with the original 'obj' name and could be confusing. Consider using a more descriptive name like 'object' or keeping the original 'obj' name.

func (b *s3Backend) GetObject(ctx context.Context, bucketName, objectName string, rangeRequest *gofakes3.ObjectRangeRequest) (s3Obj *gofakes3.Object, err error) {