shutil: add reflink=False to file copy functions to control clone/CoW copies (use copy_file_range)

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#81,338 建立於 2019年6月4日 43 則留言 6 個 reaction 已指派 0 人在 GitHub 檢視

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Issue 類型: 功能
描述清晰度: 基本清楚
活躍度: 停滯
技術堆疊: python
領域: operating-systems

研究方向

從 Python 的 shutil 檔案複製函式著手，檢視連結的 cow.diff 和 cow2.diff 提案。追蹤 reflink=False 應如何透過 copy_file_range 控制 clone/CoW 複製，然後在受影響的複製操作及其現有測試中驗證預期行為。

由索引模型根據 Issue 內容生成。

描述

performance stdlib type-feature

BPO	37157
Nosy	@giampaolo, @albertz, @desbma, @koobs, @pablogsal
Files	cow.diff cow2.diff

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-06-04.21:36:40.594>
labels = ['library', '3.9', 'performance']
title = 'shutil: add reflink=False to file copy functions to control clone/CoW copies (use copy_file_range)'
updated_at = <Date 2021-10-07.19:23:42.385>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2021-10-07.19:23:42.385>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-06-04.21:36:40.594>
creator = 'vstinner'
dependencies = []
files = ['48390', '48393']
hgrepos = []
issue_num = 37157
keywords = ['patch']
message_count = 14.0
messages = ['344648', '344651', '344667', '344692', '344694', '344697', '344702', '344709', '350623', '384015', '384105', '403414', '403418', '403423']
nosy_count = 6.0
nosy_names = ['giampaolo.rodola', 'Albert.Zeyer', 'desbma', 'koobs', 'pablogsal', 'dulanic']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue37157'
versions = ['Python 3.9']

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