Messages in this thread | | | Date | Fri, 22 Feb 2013 10:52:35 +0100 | From | Ric Wheeler <> | Subject | Re: New copyfile system call - discuss before LSF? |
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On 02/22/2013 10:47 AM, Paolo Bonzini wrote: > Il 21/02/2013 23:24, Zach Brown ha scritto: >> You could make it work with some locking and out_fd seeking to set the >> write offset before calling sendfile64()+flags, but ugh. >> >> ssize_t sendfile(int out_fd, int in_fd, off_t in_offset, off_t >> out_offset, size_t count, int flags); >> >> That seems closer. >> >> We might also want to pre-emptively offer iovs instead of offsets, >> because that's the very first thing that's going to be requested after >> people prototype having to iterate calling sendfile() for each >> contiguous copy region. > Indeed, I was about to propose that exactly. So that would be > psendfilev. I don't think psendfile is useful, and can be easily > provided at the libc level. > > Paolo
This seems to be suspiciously close to a clear consensus on how to move forward after many years of spinning our wheels. Anyone want to promote an actual patch before we change our collective minds?
Ric
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