Messages in this thread | | | Date | Fri, 22 Feb 2013 10:47:39 +0100 | From | Paolo Bonzini <> | Subject | Re: New copyfile system call - discuss before LSF? |
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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
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