std: implement `File::fsync` for Hermit - #162079

Merged

rust-bors[bot] merged 1 commit into

rust-lang:mainfrom

Sep 1, 2026

stlankes commented Aug 31, 2026

Contributor

hermit-abi 0.5.3 exposes fsync, so the operation no longer has to return Unsupported.


          std: implement File::fsync for Hermit

c4c8883

hermit-abi 0.5.3 exposes `fsync`, so the operation no longer
has to return `Unsupported`.

rustbot commented Aug 31, 2026

Collaborator

These commits modify the library/Cargo.lock file. Unintentional changes to library/Cargo.lock can be introduced when switching branches and rebasing PRs.

If this was unintentional then you should revert the changes before this PR is merged.
Otherwise, you can ignore this comment.

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rustbot assigned aapoalas

rustbot commented Aug 31, 2026

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rustbot has assigned @aapoalas.
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Use r? to explicitly pick a reviewer

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joboet commented Sep 1, 2026

Member

Great!
@bors r+ rollup
r? joboet

rust-bors Bot commented Sep 1, 2026

Contributor

📌 Commit c4c8883 has been approved by joboet

It is now in the queue for this repository.

rustbot assigned joboet

rust-bors Bot added the S-waiting-on-bors label

rustbot unassigned aapoalas

rust-bors Bot removed the S-waiting-on-review label

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

4b8b790

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

d16ed17

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

7f561a5

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

b36f790

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

4e46245

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

f15cf6f

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request


          Rollup merge of rust-lang#162079 - stlankes:sync, r=joboet

57b7299

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

JonathanBrouwer mentioned this pull request

Rollup of 16 pull requests #162117

Merged

rust-bors Bot pushed a commit that referenced this pull request


          Auto merge of #162117 - JonathanBrouwer:rollup-vMnIfR5, r=JonathanBro…

a433023

…uwer

Rollup of 16 pull requests

Successful merges:

 - #137720 (support `#[target_feature(enable = ...)]` on `#[naked]` functions)
 - #160534 (stabilize smart pointer map functions)
 - #160551 (mir_build: Clearly distinguish or/refutable/irrefutable patterns during match lowering)
 - #160989 (Make sin, cos, exp, exp2, log, log2, log10 generic)
 - #161861 (mir_build: Clarify parts of if-condition lowering)
 - #161929 (explicitly track inherent const generic args kind)
 - #162040 (bootstrap: stage0 to cbae9b4)
 - #162063 (Switch dist-aarch64-linux to EC2 and update dist-x86_64-linux)
 - #161353 (Add test for parallel compiler reproducible build)
 - #161937 (A series of Polonius Alpha refactors)
 - #162051 (`rustc_feature` cleanups)
 - #162055 (remove `_{style}` recovery for diagnostic structs)
 - #162075 (Move track_caller on closures gating to attribute parsing)
 - #162079 (std: implement `File::fsync` for Hermit)
 - #162097 (Deduplicate `InstrumentFnAttr`)
 - #162115 (fix typo in feature documentation)

rust-bors Bot pushed a commit that referenced this pull request


          Unrolled build for #162079 in rollup 162117

ef8d93e

Rollup merge of #162079 - stlankes:sync, r=joboet

std: implement `File::fsync` for Hermit

- hermit-abi 0.5.3 exposes `fsync`, so the operation no longer has to return `Unsupported`.

cc: @mkroening

rust-bors Bot merged commit ea480ca into rust-lang:main

13 checks passed

rustbot added this to the 1.100.0 milestone

rust-timer commented Sep 1, 2026

Collaborator

Note

This PR was benchmarked as part of triage of its containing rollup: triage URL.

Finished benchmarking commit (ef8d93e): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.4%	[-0.4%, -0.4%]	1
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (secondary -1.9%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-1.9%	[-2.4%, -0.8%]	6
All ❌✅ (primary)	-	-	0

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: missing data
Artifact size: 400.59 MiB -> 400.66 MiB (0.02%)

pull Bot pushed a commit to LeeeeeeM/miri that referenced this pull request


          Auto merge of #162117 - JonathanBrouwer:rollup-vMnIfR5, r=JonathanBro…

25a3c06

…uwer

Rollup of 16 pull requests

Successful merges:

 - rust-lang/rust#137720 (support `#[target_feature(enable = ...)]` on `#[naked]` functions)
 - rust-lang/rust#160534 (stabilize smart pointer map functions)
 - rust-lang/rust#160551 (mir_build: Clearly distinguish or/refutable/irrefutable patterns during match lowering)
 - rust-lang/rust#160989 (Make sin, cos, exp, exp2, log, log2, log10 generic)
 - rust-lang/rust#161861 (mir_build: Clarify parts of if-condition lowering)
 - rust-lang/rust#161929 (explicitly track inherent const generic args kind)
 - rust-lang/rust#162040 (bootstrap: stage0 to cbae9b4cae2b108f6a3d18cfe6075714bb739463)
 - rust-lang/rust#162063 (Switch dist-aarch64-linux to EC2 and update dist-x86_64-linux)
 - rust-lang/rust#161353 (Add test for parallel compiler reproducible build)
 - rust-lang/rust#161937 (A series of Polonius Alpha refactors)
 - rust-lang/rust#162051 (`rustc_feature` cleanups)
 - rust-lang/rust#162055 (remove `_{style}` recovery for diagnostic structs)
 - rust-lang/rust#162075 (Move track_caller on closures gating to attribute parsing)
 - rust-lang/rust#162079 (std: implement `File::fsync` for Hermit)
 - rust-lang/rust#162097 (Deduplicate `InstrumentFnAttr`)
 - rust-lang/rust#162115 (fix typo in feature documentation)

asukaminato0721 pushed a commit to asukaminato0721/rust-analyzer that referenced this pull request


          Auto merge of #162117 - JonathanBrouwer:rollup-vMnIfR5, r=JonathanBro…

a62eeeb

…uwer

Rollup of 16 pull requests

Successful merges:

 - rust-lang/rust#137720 (support `#[target_feature(enable = ...)]` on `#[naked]` functions)
 - rust-lang/rust#160534 (stabilize smart pointer map functions)
 - rust-lang/rust#160551 (mir_build: Clearly distinguish or/refutable/irrefutable patterns during match lowering)
 - rust-lang/rust#160989 (Make sin, cos, exp, exp2, log, log2, log10 generic)
 - rust-lang/rust#161861 (mir_build: Clarify parts of if-condition lowering)
 - rust-lang/rust#161929 (explicitly track inherent const generic args kind)
 - rust-lang/rust#162040 (bootstrap: stage0 to cbae9b4cae2b108f6a3d18cfe6075714bb739463)
 - rust-lang/rust#162063 (Switch dist-aarch64-linux to EC2 and update dist-x86_64-linux)
 - rust-lang/rust#161353 (Add test for parallel compiler reproducible build)
 - rust-lang/rust#161937 (A series of Polonius Alpha refactors)
 - rust-lang/rust#162051 (`rustc_feature` cleanups)
 - rust-lang/rust#162055 (remove `_{style}` recovery for diagnostic structs)
 - rust-lang/rust#162075 (Move track_caller on closures gating to attribute parsing)
 - rust-lang/rust#162079 (std: implement `File::fsync` for Hermit)
 - rust-lang/rust#162097 (Deduplicate `InstrumentFnAttr`)
 - rust-lang/rust#162115 (fix typo in feature documentation)

github-actions Bot pushed a commit to rust-lang/rustc-dev-guide that referenced this pull request


          Auto merge of #162117 - JonathanBrouwer:rollup-vMnIfR5, r=JonathanBro…

5d0d292

…uwer

Rollup of 16 pull requests

Successful merges:

 - rust-lang/rust#137720 (support `#[target_feature(enable = ...)]` on `#[naked]` functions)
 - rust-lang/rust#160534 (stabilize smart pointer map functions)
 - rust-lang/rust#160551 (mir_build: Clearly distinguish or/refutable/irrefutable patterns during match lowering)
 - rust-lang/rust#160989 (Make sin, cos, exp, exp2, log, log2, log10 generic)
 - rust-lang/rust#161861 (mir_build: Clarify parts of if-condition lowering)
 - rust-lang/rust#161929 (explicitly track inherent const generic args kind)
 - rust-lang/rust#162040 (bootstrap: stage0 to cbae9b4cae2b108f6a3d18cfe6075714bb739463)
 - rust-lang/rust#162063 (Switch dist-aarch64-linux to EC2 and update dist-x86_64-linux)
 - rust-lang/rust#161353 (Add test for parallel compiler reproducible build)
 - rust-lang/rust#161937 (A series of Polonius Alpha refactors)
 - rust-lang/rust#162051 (`rustc_feature` cleanups)
 - rust-lang/rust#162055 (remove `_{style}` recovery for diagnostic structs)
 - rust-lang/rust#162075 (Move track_caller on closures gating to attribute parsing)
 - rust-lang/rust#162079 (std: implement `File::fsync` for Hermit)
 - rust-lang/rust#162097 (Deduplicate `InstrumentFnAttr`)
 - rust-lang/rust#162115 (fix typo in feature documentation)

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