Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2012-11-10 16:24:22 -0500, Tom Lane wrote:
>> If any of this stuff were getting used by external modules, changing it
>> would be problematic ... but fortunately, it isn't, because we lack
>> support for plug-in rmgrs. So I'm not worried about back-patching the
>> change, and would prefer to keep the 9.x branches in sync.
> XLR_BKP_BLOCK_* might be used by things like pg_lesslog and its surely
> used by xlogdump. Not sure if either are worth that much attention, but
> it seems worth noticing that such a change will break stuff.
Hm. Okay, how about we leave the old macros in place in the back
branches?
regards, tom lane