fs with writev allow many buffers to be pushed to underlying OS
APIs in one batch, so this should improve write speed to files.

Refs: #2298

PR-URL: #25925
Fixes: #2298
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

Notable changes:

* **crypto**:
  * Added an oaepHash option to asymmetric encryption which allows users to specify a hash function when using OAEP padding (Tobias Nießen) [#28335](#28335).
* **deps**:
  * Updated V8 to 7.6.303.29 (Michaël Zasso) [#28955](#28955).
    * Improves the performance of various APIs such as `JSON.parse` and methods
      called on frozen arrays.
    * Adds the [`Promise.allSettled`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/allSettled) method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0 (cjihrig) [#29070](#29070).
    * `UV_FS_O_FILEMAP` has been added for faster access to memory mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been added.
* **fs**:
  * Added `fs.writev` and `fs.writevSync` methods. They allow to write an array of `ArrayBufferView`s to a file descriptor (Anas Aboureada) [#25925](#25925).
* **http**:
  * Added three properties to `OutgoingMessage.prototype`: `writableObjectMode`, `writableLength` and `writableHighWaterMark` [#29018](#29018).
* **stream**:
  * Added an new property `writableEnded` to writable streams. Its value is set to `true` after `writable.end()` has been called. (Robert Nagy) [#28934](#28934).

PR-URL: #29210

nodejs#25925 added fs.writev()
and fs.writevSync(), but did not include a Promises based
equivalent. This commit adds the missing method.

Refs: nodejs#25925
PR-URL: nodejs#29186
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

This commit updates the recently added writev methods
to validate file descriptors like the other fs methods do.

PR-URL: #29185
Refs: #25925
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

#25925 added fs.writev()
and fs.writevSync(), but did not include a Promises based
equivalent. This commit adds the missing method.

Refs: #25925
PR-URL: #29186
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    #28335
* deps:
  * Updated V8 to 7.6.303.29. #28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. #29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. #25925
    https://github.com/nodejs/node/pull/29186/files
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    #29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    #28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    #28934

PR-URL: #29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    nodejs#28335
* deps:
  * Updated V8 to 7.6.303.29. nodejs#28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. nodejs#29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. nodejs#25925
    https://github.com/nodejs/node/pull/29186/files
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    nodejs#29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    nodejs#28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    nodejs#28934

PR-URL: nodejs#29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    #28335
* deps:
  * Updated V8 to 7.6.303.29. #28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. #29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. #25925
    #29186
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    #29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    #28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    #28934

PR-URL: #29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    #28335
* deps:
  * Updated V8 to 7.6.303.29. #28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. #29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. #25925
    #29186
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    #29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    #28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    #28934

PR-URL: #29210