ns/batched-fsync & en/remerge-diff (was Re: What's cooking in git.git (Sep 2021, #08; Mon, 27))

["Ævar Arnfjörð Bjarmason" <avarab@gmail.com>]

On Mon, Sep 27 2021, Junio C Hamano wrote:

> * ns/batched-fsync (2021-09-27) 8 commits
>  - core.fsyncobjectfiles: performance tests for add and stash
>  - core.fsyncobjectfiles: tests for batch mode
>  - unpack-objects: use the bulk-checkin infrastructure
>  - update-index: use the bulk-checkin infrastructure
>  - core.fsyncobjectfiles: add windows support for batch mode
>  - core.fsyncobjectfiles: batched disk flushes
>  - bulk-checkin: rename 'state' variable and separate 'plugged' boolean
>  - object-file.c: do not rename in a temp odb
>
>  The "core.fsyncobjectfiles" configuration variable can now be set
>  to "batch" for improved performance.
>
>  Will merge to 'next'?

This version was significantly re-rolled in response to my feedback, I
haven't had time to look at this latest version in detail, but will try
to do so soon.

I did note in
https://lore.kernel.org/git/87v92lxhh4.fsf@evledraar.gmail.com/ that it
one of Elijah's in-flight seem to have independently come up with
slightly incompatible versions of the same tmp-objdir.c API....

> * en/remerge-diff (2021-08-31) 7 commits
>  - doc/diff-options: explain the new --remerge-diff option
>  - show, log: provide a --remerge-diff capability
>  - tmp-objdir: new API for creating and removing primary object dirs
>  - merge-ort: capture and print ll-merge warnings in our preferred fashion
>  - ll-merge: add API for capturing warnings in a strbuf instead of stderr
>  - merge-ort: add ability to record conflict messages in a file
>  - merge-ort: mark a few more conflict messages as omittable
>
>  A new presentation for two-parent merge "--remerge-diff" can be
>  used to show the difference between mechanical (and possibly
>  conflicted) merge results and the recorded resolution.
>
>  Will merge to 'next'?

...i.e. this series