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makefs: Fix "time" mtree attribute handling

Authored by on Mar 18 2019, 6:14 PM.



When processing mtree(5) MANIFEST files, makefs(8) throws will throw an
error if it encounters an entry whose "time" attribute contains a
non-zero subsecond component (e.g. time=1551620152.987220000).

Update the handling logic to properly assign the subsecond component if
built with nanosecond support, or silently discard it otherwise.

Also, re-enable the time attribute for the kyua tests.

PR: 194703

Test Plan

Ran makefs using METALOG, which contains timestamps for the kernel.

Ran the kyua tests.

Diff Detail

rS FreeBSD src repository
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

656 ↗(On Diff #55205)

makefs is built without HAVE_STRUCT_STAT_ST_MTIMENSEC, and fails to compile with it defined. D19626 makes the change required to fix this, and I have tested that with both of these changes nanoseconds are handled properly for a generated UFS image.

emaste accepted this revision.Mar 18 2019, 6:22 PM


This revision is now accepted and ready to land.Mar 18 2019, 6:22 PM
This revision was automatically updated to reflect the committed changes.