Messages in this thread | | | Date | Fri, 2 Sep 2011 09:10:57 -0400 | From | Christoph Hellwig <> | Subject | Re: Approaches to making io_submit not block |
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On Fri, Sep 02, 2011 at 09:08:35AM -0400, Ted Ts'o wrote: > That may be true for hard drives, but PCIe attached flash can support > millions of IOP's per second --- i.e., at least hundreds of IOP's in > milliseconds. Yes, these devices are expensive, but so are the > thousand-disk RAID arrays that some people attach via XFS. :-)
reading / writing to the devices is different from allocator calls.
You reall do not want to do an allocator call for each of these device.
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