03e864fd86
Fix io::copy specialization using copy_file_range when writer was opened with O_APPEND fixes #82410 While `sendfile()` returns `EINVAL` when the output was opened with O_APPEND, `copy_file_range()` does not and returns `EBADF` instead, which – unlike other `EBADF` causes – is not fatal for this operation since a regular `write()` will likely succeed. We now treat `EBADF` as a non-fatal error for `copy_file_range` and fall back to a read-write copy as we already did for several other errors. |
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| benches | ||
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| tests | ||
| build.rs | ||
| Cargo.toml | ||