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fs: add O_DSYNC flag #15451

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jrasanen
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Added support for O_DSYNC file open flag. (issue #15425)

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines
Affected core subsystem(s)

src

@nodejs-github-bot nodejs-github-bot added the c++ Issues and PRs that require attention from people who are familiar with C++. label Sep 18, 2017
lpinca
lpinca approved these changes Sep 18, 2017
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SGTM.

bnoordhuis
bnoordhuis approved these changes Sep 18, 2017
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LGTM. CI: https://ci.nodejs.org/job/node-test-pull-request/10119/

tniessen
tniessen approved these changes Sep 18, 2017
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Thank you for this contribution! 😃

Note: It might be a good idea to rephrase the description of O_SYNC and O_DSYNC to emphasize their differences and to distinguish synchronous operations from synchronous API calls. This does not need to be fixed within this PR though.

@jrasanen
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Hi,

thanks for the comment! How would we rephrase it to emphasize the difference? Could it be O_FULLSYNC?

@tniessen
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Could it be O_FULLSYNC?

No, we should not deviate from the POSIX convention here. I would probably just adapt the descriptions from the Linux manual:

O_SYNC:

Write operations on the file will complete according to the requirements of synchronized I/O file integrity completion (by contrast with the synchronized I/O data integrity completion provided by O_DSYNC.) Refer to the Linux manual for further information.

O_DSYNC:

Write operations on the file will complete according to the requirements of synchronized I/O data integrity completion. Refer to the Linux manual for further information.

@BridgeAR
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@tniessen would you want to have this rephrased before landing or would that be fine sometime later on?

@tniessen tniessen added the semver-minor PRs that contain new features and should be released in the next minor version. label Sep 22, 2017
tniessen pushed a commit that referenced this pull request Sep 22, 2017
@tniessen
fs: add O_DSYNC
60460bf 
PR-URL: #15451
Fixes: #15425
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
@tniessen
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Landed in 60460bf 🎉 Thank you for your contribution, we are looking forward to more! 😃

I marked this as semver-minor to comply with our guidelines. Partial CI on master: https://ci.nodejs.org/job/node-test-commit-linuxone/8729/

@tniessen tniessen closed this Sep 22, 2017
tniessen added a commit to tniessen/node that referenced this pull request Sep 22, 2017
@tniessen
fs: minor improvements to O_DSYNC
34cf33a 
Refs: nodejs#15451
@tniessen tniessen mentioned this pull request Sep 22, 2017
Closed
3 tasks
@tniessen tniessen changed the title src: add O_DSYNC flag fs: add O_DSYNC flag Sep 22, 2017
@jrasanen jrasanen deleted the 15425-dsync-to-fs branch September 22, 2017 06:22
addaleax pushed a commit to addaleax/ayo that referenced this pull request Sep 23, 2017
@addaleax
fs: add O_DSYNC
80e44e8 
PR-URL: nodejs/node#15451
Fixes: nodejs/node#15425
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
@jasnell
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jasnell commented Sep 25, 2017

This does not land cleanly in v8.x-staging because the new fixtures tooling has not been backport to that yet. A backport PR would be needed.

tniessen added a commit to tniessen/node that referenced this pull request Sep 26, 2017
@tniessen
doc,test: minor improvements to O_DSYNC
f98687d 
PR-URL: nodejs#15547
Refs: nodejs#15451
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
@tniessen tniessen mentioned this pull request Sep 28, 2017
Closed
2 tasks
addaleax pushed a commit to addaleax/ayo that referenced this pull request Sep 30, 2017
@tniessen @addaleax
doc,test: minor improvements to O_DSYNC
a53d961 
PR-URL: nodejs/node#15547
Refs: nodejs/node#15451
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
tniessen pushed a commit to tniessen/node that referenced this pull request Oct 3, 2017
@tniessen
fs: add O_DSYNC
8b120fe 
PR-URL: nodejs#15451
Fixes: nodejs#15425
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
tniessen added a commit to tniessen/node that referenced this pull request Oct 3, 2017
@tniessen
doc,test: minor improvements to O_DSYNC
9d97fcc 
PR-URL: nodejs#15547
Refs: nodejs#15451
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
MylesBorins pushed a commit that referenced this pull request Oct 7, 2017
@MylesBorins
fs: add O_DSYNC
8ec81a8 
Backport-PR-URL: #15653
PR-URL: #15451
Fixes: #15425
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
MylesBorins pushed a commit that referenced this pull request Oct 7, 2017
@tniessen @MylesBorins
doc,test: minor improvements to O_DSYNC
dec383a 
Backport-PR-URL: #15653
PR-URL: #15547
Refs: #15451
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
@MylesBorins MylesBorins mentioned this pull request Oct 7, 2017
Merged
MylesBorins pushed a commit that referenced this pull request Oct 11, 2017
@MylesBorins
fs: add O_DSYNC
a814a55 
Backport-PR-URL: #15653
PR-URL: #15451
Fixes: #15425
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
MylesBorins pushed a commit that referenced this pull request Oct 11, 2017
@tniessen @MylesBorins
doc,test: minor improvements to O_DSYNC
6003afc 
Backport-PR-URL: #15653
PR-URL: #15547
Refs: #15451
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
MylesBorins added a commit that referenced this pull request Oct 11, 2017
@MylesBorins
2017-10-11, Node.js Version 8.7.0 (Current)
dc4f1b9 
Notable Changes:

* deps:
  * update npm to 5.4.2
    #15600
  * upgrade libuv to 1.15.0
    #15745
  * update V8 to 6.1.534.42
    #15393
* dgram:
  * support for setting dgram socket buffer size
    #13623
* fs:
  * add support O_DSYNC file open constant
    #15451
* util:
  * deprecate obj.inspect for custom inspection
    #15631
* tools, build:
  * there is a fancy new macOS installer
    #15179
* Added new collaborator
  * bmeurer - Benedikt Meurer - https://github.com/bmeurer
  * kfarnung - Kyle Farnung - https://github.com/kfarnung

PR-URL: #15762
MylesBorins added a commit that referenced this pull request Oct 11, 2017
@MylesBorins
2017-10-11, Node.js Version 8.7.0 (Current)
b7fec86 
Notable Changes:

* deps:
  * update npm to 5.4.2
    #15600
  * upgrade libuv to 1.15.0
    #15745
  * update V8 to 6.1.534.42
    #15393
* dgram:
  * support for setting dgram socket buffer size
    #13623
* fs:
  * add support O_DSYNC file open constant
    #15451
* util:
  * deprecate obj.inspect for custom inspection
    #15631
* tools, build:
  * there is a fancy new macOS installer
    #15179
* Added new collaborator
  * bmeurer - Benedikt Meurer - https://github.com/bmeurer
  * kfarnung - Kyle Farnung - https://github.com/kfarnung

PR-URL: #15762
addaleax pushed a commit to addaleax/ayo that referenced this pull request Oct 12, 2017
@MylesBorins @addaleax
2017-10-11, Node.js Version 8.7.0 (Current)
4b1e46b 
Notable Changes:

* deps:
  * update npm to 5.4.2
    nodejs/node#15600
  * upgrade libuv to 1.15.0
    nodejs/node#15745
  * update V8 to 6.1.534.42
    nodejs/node#15393
* dgram:
  * support for setting dgram socket buffer size
    nodejs/node#13623
* fs:
  * add support O_DSYNC file open constant
    nodejs/node#15451
* util:
  * deprecate obj.inspect for custom inspection
    nodejs/node#15631
* tools, build:
  * there is a fancy new macOS installer
    nodejs/node#15179
* Added new collaborator
  * bmeurer - Benedikt Meurer - https://github.com/bmeurer
  * kfarnung - Kyle Farnung - https://github.com/kfarnung

PR-URL: nodejs/node#15762
@gibfahn
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gibfahn commented Jan 15, 2018

Release team were +1 on backporting to v6.x.

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@bnoordhuis bnoordhuis bnoordhuis approved these changes

@jasnell jasnell jasnell approved these changes

@lpinca lpinca lpinca approved these changes

@cjihrig cjihrig cjihrig approved these changes

@tniessen tniessen tniessen approved these changes

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