On Wed, 2015-03-11 at 12:23 +0000, Andrew Cooper wrote: > On 11/03/15 12:15, Ian Campbell wrote: > > On Fri, 2015-03-06 at 19:05 +0000, Andrew Cooper wrote: > >> From: Ross Lagerwall <ross.lagerw...@citrix.com> > >> > >> Currently, a datacopier will unconditionally read until EOF on its read fd. > >> > >> For migration v2, libxl needs to read records of a specific length out of > >> the > >> migration stream, without reading any further data. > >> > >> Introduce a parameter, maxread, which may be used to stop the datacopier > >> ahead > >> of reaching EOF. > > maxread is ok as a parameter but not really in the dc. > > > > It's unfortunate that "toread" is already used. Perhaps "remaining" (or > > remread if you want to get terse)? > > ssize_t bytes_to_read perhaps? with -1 being a sentinel for "until EOF" ?
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