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fusefs: fix copy_file_range when extending a file
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Authored by asomers on Nov 28 2021, 6:56 PM.

Details

Summary

When copy_file_range extends a file, it must update the cached file
size.

MFC after: 2 weeks

Test Plan

test case added

Diff Detail

Repository
R10 FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

Looks ok to me, although I really don't know the fuse code,
so I can't say if it is correct.

asomers added subscribers: rmacklem, pfg.

Thanks for your input, @rmacklem . You're probably the most knowledgeable person about VOP_COPY_FILE_RANGE in general. @pfg , do the fuse changes look good to you?

This revision is now accepted and ready to land.Nov 29 2021, 12:26 AM