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Re: Locking in disk(9) api
On Apr 15, 8:02pm, Michael van Elst wrote:
} haaaad%gmail.com@localhost (Adam Hamsik) writes:
} >After some discussion I think that disk(9) api should be changed to =
} >manage locking by itself and to not require explicit locking from users. =
} >There are some options which can be used in this case,]
} So far, all users have private locks and the disk(9) data is seen
} as part of the device instance and is protected by such a private lock.
} I'm not convinced that you need a separate lock just for disk(9) data.
Aren't these the stats displayed by iostat(8) [-dDx]? Do we need
locking shared with the things that read the stats? Or, is it
considered to be okay if the reader gets stats that are in flux?
}-- End of excerpt from Michael van Elst
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