Sysfs Stability
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"The fact that we continue to expose internal data structures via sysfs is a gaping open pit [and] is far more likely to cause any kind of problems than changing an error return," Theodore Ts'o noted, responding to a thread discussing a patch to fix an error return code. Andrew Morton agreed, "I was staring in astonishment at the pending sysfs patch pile last night. Forty syfs patches and twenty-odd patches against driver core and the kobject layer." He continued, "that's a huge amount of churn for a core piece of kernel infrastructure which has been there for four or five years. Not a good sign." Andrew then added a humorous quip, "I mean, it's not as if, say, the CPU scheduler guys keep on rewriting all their junk. oh, wait.."
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