On Thu, May 08, 2014 at 03:46:36PM +0300, Alexander Shishkin wrote: > Peter Zijlstra <pet...@infradead.org> writes: > > > On Thu, May 08, 2014 at 03:34:17PM +0300, Alexander Shishkin wrote: > >> Peter Zijlstra <pet...@infradead.org> writes: > >> > >> > So the aux_head/tail values should also be in the file space and not > >> > start at 0 again, similar for the offsets in the AUX record. > >> > >> Thinking some more about it: if we keep aux_{offset,size} in userpg, > >> then it would make sense to have aux_{head,tail} run from 0 to infinity > >> similar to data_{head,tail}, especially considering that neither data_* > >> nor aux_* pointers are file offsets anyway. > > > > Yeah, this might make it easier. So then the rule is *_offset + > > *_{head,tail} is the actual file offset into the buffer. > > You mean *_offset + (*_{head,tail} % *_size) ?
Indeed I did..
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