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Linux 7.2-rc7 恢复 Btrfs Fixup Worker 基础设施以解决静默数据丢失问题
摘要
Back during the Linux 7.2 merge window the Btrfs file-system dropped its COW fixup mechanism, which was used to detect dirty pages without an ordered extent. This code was removed as it was believed t...
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Linux
Btrfs
fixup
kernel
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merge
2026-08-07
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Michael Larabel
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早在 Linux 7.2 合并窗口期间,Btrfs 文件系统就放弃了其 COW 修复机制,该机制用于检测没有有序范围的脏页。该代码被删除,因为人们认为内核的内存管理层已经解决了根本问题,但实际上它最终导致了静默数据丢失。 Btrfs 修复工作基础设施现已及时恢复,以适应本周末的 Linux 7.2-rc7 以及本月晚些时候的稳定 v7.2 内核...
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