[jdk21u] Integrated: 8312127: FileDescriptor.sync should temporarily increase parallelism

[Aleksey Shipilev]

On Thu, 10 Aug 2023 16:06:10 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to avoid the temporary loss of platform thread when virtual thread does `fsync`. In https://github.com/openjdk/jdk/pull/15231, I tested that the overhead of doing this for platform threads is very small compared to the cost of the `fsync` itself.

This pull request has now been integrated.

Changeset: 8912d3e5
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk21u/commit/8912d3e5893a517a4f428e83b1fb2d96be572791
Stats:     17 lines in 3 files changed: 11 ins; 0 del; 6 mod

8312127: FileDescriptor.sync should temporarily increase parallelism

Reviewed-by: alanb
Backport-of: fbe51e388d8a7475f162f10aa788a6d37ec4c6d8

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PR: https://git.openjdk.org/jdk21u/pull/52