Re: [PATCH, RESEND] Avoid that SCSI device removal through sysfs triggers a deadlock

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On Thu, 2018-07-26 at 06:35 -0700, Tejun Heo wrote:
+AD4- Making removal asynchronous this way sometimes causes issues because
+AD4- whether the user sees the device released or not is racy.

Hello Tejun,

How could this change cause any user-visible changes? My understanding is
that any work queued with task+AF8-work+AF8-add() is executed before system call
execution leaves kernel context and returns back to user space context.

Thanks,

Bart.





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