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Rahman Yilmaz
5eb5c01e36
The concurrent walker created by walk() only stopped when the callback returned an error or the whole tree had been listed. Cancelling the context (for example via the rc job/stop endpoint for an async operations/size or recursive operations/list call) was therefore ignored: the checkers kept pulling list jobs from the channel and kept listing the entire tree, burning CPU and making job cancellation useless for every backend without a native ListR implementation. Make every checker select on ctx.Done() so a cancelled walk shuts down promptly through the existing quit/drain path and reports the context error. Also check the context between directory read chunks in the local backend so a single huge directory does not block cancellation.