[Firebird-checkins] [FirebirdSQL/firebird] d3ef1f: refactor(pag): Use `fallocate` as the primary meth...

[TreeHunter <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/FirebirdSQL/firebird
  Commit: d3ef1f097db5b1a4239da24f99a27d905d98596e
      https://github.com/FirebirdSQL/firebird/commit/d3ef1f097db5b1a4239da24f99a27d905d98596e
  Author: TreeHunter <608...@us...>
  Date:   2025-10-08 (Wed, 08 Oct 2025)

  Changed paths:
    M src/jrd/nbak.cpp
    M src/jrd/os/pio_proto.h
    M src/jrd/os/posix/unix.cpp
    M src/jrd/os/win32/winnt.cpp
    M src/jrd/pag.cpp
    M src/jrd/pag.h

  Log Message:
  -----------
  refactor(pag): Use `fallocate` as the primary method for extending a file (#8758)

* refactor(pag): Use `fallocate` as the primary method for extending a file

- This should eliminate double writes of pages when file is extended.
- If fallocate is not supported by filesystem fallback to the old method of writing zeroes to the file.

* refactor(style): Switch to camelCase

* Fixes after review

* Fix function description according to a new logic

* Replace `ExtendResult` with `std::optional`

* Fixes after review

* Reset cached value

---------

Co-authored-by: Artyom Ivanov <art...@re...>



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