[Bug 260453] ZFS truncated write to O_APPEND file from mmap'ed memory
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Date: Thu, 16 Dec 2021 04:44:52 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260453
Rich Ercolani <Rincebrain@gmail.com> changed:
What |Removed |Added
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CC| |Rincebrain@gmail.com
--- Comment #2 from Rich Ercolani <Rincebrain@gmail.com> ---
This reminds me of the bug
https://github.com/openzfs/zfs/commit/c23803be84cb5cc9d98186221f4106a9962dfc45
and its predecessor commit
https://github.com/openzfs/zfs/commit/de198f2d9507b6dcf3d0d8f037ba33940208733e
were intended to fix.
Obviously, this isn't SEEK_DATA/SEEK_HOLE, and in that case, you wound up with
correctly sized files with zeroes for the last $WHATEVER. But I still thought
I'd mention it in case the logic changes there might help.
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