Implemented io-uring `Op<Statx>` and applied to `read_uring` and `fs::try_exists`#8080

Merged

Daksh14 merged 11 commits into

tokio-rs:masterfrom

asder8215:io-uring-metadata

Jun 13, 2026

Commits on Jun 12, 2026

implement Op<Statx> and use it to implement fs::try_exists

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fix statx on unavailable platforms

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complete using only io-uring operations for read_uring

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Implemented io-uring::Op<Statx> and apply it accordingly to read_uring, try_exists
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Added test for io uring statx operations. Checks for cancellations, shutdown, stating multiple files, ELOOP, ENAMETOOLONG, EACCES
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Removed musl as supported platform for io_uring statx operations, as statx is supported on 1.25+ musl, and MSRV that uses 1.25 on all *-linux-musl platforms is 1.93
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Removed pending checks for cancel_op_future since io_uring not available on Linux <5.1, removed stat permission denied test case since it doesn't work on Linux 4.19
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Removed redundant cfg attributes on functions, added STATX_BTIME flag in statx operation, use assert pending in cancel ops
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Uncommented stat_permission_denied test and make sure it doesn't run on platforms that don't support io_uring, removed unnecessary comments, and added TODO on symlink_metadata for when Metadata::fr…
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Statx fd leak drop test added and added STATX_BTIME to file_metadata
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Remove unnecessary utils function, refactored code in statx and statx fd leak test, and removed cfg_io_uring gates (localized the feature gate to the pertinent part of the code that uses it in read…
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