From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 24 Mar 2026 19:31:34 +0000 (-0700)
Subject: Merge branch 'ps/upload-pack-buffer-more-writes'
X-Git-Tag: v2.54.0-rc0~34
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8023abc632;p=thirdparty%2Fgit.git

Merge branch 'ps/upload-pack-buffer-more-writes'

Reduce system overhead "git upload-pack" spends on relaying "git
pack-objects" output to the "git fetch" running on the other end of
the connection.

* ps/upload-pack-buffer-more-writes:
  builtin/pack-objects: reduce lock contention when writing packfile data
  csum-file: drop `hashfd_throughput()`
  csum-file: introduce `hashfd_ext()`
  sideband: use writev(3p) to send pktlines
  wrapper: introduce writev(3p) wrappers
  compat/posix: introduce writev(3p) wrapper
  upload-pack: reduce lock contention when writing packfile data
  upload-pack: prefer flushing data over sending keepalive
  upload-pack: adapt keepalives based on buffering
  upload-pack: fix debug statement when flushing packfile data
---

8023abc632ea45a9a1b7f78b13db2cf541849775