Re: PATCH: Raw device IO for 2.1.131
yodaiken@chelm.cs.nmt.edu
Fri, 18 Dec 1998 05:53:22 -0700 (MST)
> There is nothing conceptually better about locking down a set of pages
> in the page cache and dma'ing to them via copyfd than locking down a set
> of user pages in the swap cache and dma'ing to them via read(). I know
> for sure which version looks cleaner to the user. Similarly there is
> nothing to stop us doing that read into a mmap()ed region if we want to
> write it to disk.
Yes!
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