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Differential D56229

tunefs: Fix alignment warning on arm64
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Authored by des on Apr 2 2026, 8:53 PM.
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bakul_iitbombay.org
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rG616f47f176c3: tunefs: Fix alignment warning on arm64
Summary

MFC after: 1 week
Reported by: bakul
Fixes: c5e79c7e93dd ("tunefs: Don't lower WARNS")

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rG FreeBSD src repository
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Event Timeline

des created this revision.Apr 2 2026, 8:53 PM
Herald added a subscriber: imp. · View Herald TranscriptApr 2 2026, 8:53 PM
des requested review of this revision.Apr 2 2026, 8:53 PM
Harbormaster completed remote builds in B71924: Diff 174819.Apr 2 2026, 8:53 PM
bakul_iitbombay.org accepted this revision.Apr 2 2026, 9:12 PM

Not sure why the compiler complained since it should know that indirbuf is a local, and it should know its own alignment logic for locals!

This revision is now accepted and ready to land.Apr 2 2026, 9:12 PM
Closed by commit rG616f47f176c3: tunefs: Fix alignment warning on arm64 (authored by des). · Explain WhyApr 2 2026, 9:25 PM
This revision was automatically updated to reflect the committed changes.
des added a commit: rG616f47f176c3: tunefs: Fix alignment warning on arm64.
des added a comment.Apr 2 2026, 9:39 PM
In D56229#1286514, @bakul_iitbombay.org wrote:

Not sure why the compiler complained since it should know that indirbuf is a local, and it should know its own alignment logic for locals!

This falls in the category of “probably ok with current compilers but technically not allowed”, I'll have a better patch tomorrow but at least the build is no longer broken.

des mentioned this in rG83a0bced4ef0: tunefs: Don't lower WARNS.Apr 4 2026, 8:59 AM
des mentioned this in rG1fcaefce1e19: tunefs: Don't lower WARNS.

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sbin/
tunefs/
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sbin/tunefs/tunefs.c

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