devstat.9: Use bio_length instead of bio_bcount in examples
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Authored by 0mp on Oct 28 2025, 2:12 PM.

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Summary

The bio_length member of struct bio is preferred over bio_bcount.

MFC after: 2 weeks

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rG FreeBSD src repository

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Buildable 68167
Build 65050: arc lint + arc unit

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0mp created this revision.Oct 28 2025, 2:12 PM

Herald added subscribers: ziaee, imp. · View Herald TranscriptOct 28 2025, 2:12 PM

0mp requested review of this revision.Oct 28 2025, 2:12 PM

Harbormaster completed remote builds in B68167: Diff 165213.Oct 28 2025, 2:12 PM

0mp added reviewers: imp, phk.Oct 28 2025, 2:12 PM

Nah, it's not that simple.

./sys/kern/subr_devstat.c
367:    devstat_end_transaction(ds, bp->bio_bcount - bp->bio_resid,

It'll require more work before we can update this manual.

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man9/

devstat.9

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devstat.9: Use bio_length instead of bio_bcount in examplesChanges PlannedPublicActions