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bufmgr: Restructure AsyncReadBuffers()

Andres Freund <andres@anarazel.de>

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Commit: 8a1a1d6ab86217020a612ee2e03eae4fe00ae781
Author: Andres Freund <andres@anarazel.de>
Date: 2026-03-26T16:07:05Z
Releases: 19 (unreleased) 
bufmgr: Restructure AsyncReadBuffers()

Restructure AsyncReadBuffers() to use early return when the head buffer is
already valid, instead of using a did_start_io flag and if/else branches. Also
move around a bit of the code to be located closer to where it is used. This
is a refactor only.

Author: Melanie Plageman <melanieplageman@gmail.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/zljergweqti7x67lg5ije2rzjusie37nslsnkjkkby4laqqbfw@3p3zu522yykv

Files

PathChange+/−
src/backend/storage/buffer/bufmgr.c modified +81 −76

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