Fix off-by-one error in read IO tracing AsyncReadBuffer()'s no-IO needed path passed TRACE_POSTGRESQL_BUFFER_READ_DONE the wrong block number because it had already incremented operation->nblocks_done. Fix by folding the nblocks_done offset into the blocknum local variable at initialization.
Author: Melanie Plageman <[email protected]> Reviewed-by: Andres Freund <[email protected]> Discussion: https://postgr.es/m/u73un3xeljr4fiidzwi4ikcr6vm7oqugn4fo5vqpstjio6anl2%40hph6fvdiiria Backpatch-through: 18 Branch ------ REL_18_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/fb072e1721230a483f3aa299bcffbe0b8602b2c4 Modified Files -------------- src/backend/storage/buffer/bufmgr.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
