Hi all,

As much as I know, type of an IO request can be realized by "DATA_DIR"
macro,but I wanted to know if it is possible to distinguish a read or
write is synchronous or asychronous.

I'm also using "blktrace" to extract requests dispatching to disk.
blktrace, determines synchrnous writes as "ws" and asynchronous writes
as "w".


Regards,

--
Amirali Shambayati
Bachelor Student
Computer Engineering Department
Sharif University of Technology
Tehran, Iran

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