Properly access a buffer's LSN using existing access macros instead of abusing
commitf6826e031c454887bd58188f728f0f8dfa9418e5
authoralvherre <alvherre>
Mon, 20 Oct 2008 21:11:15 +0000 (20 21:11 +0000)
committeralvherre <alvherre>
Mon, 20 Oct 2008 21:11:15 +0000 (20 21:11 +0000)
tree9e35e7652f5e7d9f4379ec04e2c919d9e40bb30b
parent21a021c2805e16f3c3ae3dc23a3915b1fb579ffa
Properly access a buffer's LSN using existing access macros instead of abusing
knowledge of page layout.

Stolen from Jonah Harris' CRC patch
src/backend/storage/buffer/bufmgr.c