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ZTS: Test for clone, mmap and write for block cloning

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For block cloning, if we mmap the cloned file and write from the
map into the file, it triggers a panic in dbuf_redirty() on Linux.

The same scenario causes data corruption on FreeBSD. Both these
issues are fixed under PR#15656 and PR#15665.

It would be good to add a test for this scenario in ZTS. The test
program and issue was produced by @robn.

Reviewed-by: Pawel Jakub Dawidek <pawel@dawidek.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Signed-off-by: Umer Saleem <usaleem@ixsystems.com>
Closes #15717
This commit is contained in:
Umer Saleem
2024-01-17 02:15:10 +05:00
committed by GitHub
parent a1771d243a
commit 995734ed12
8 changed files with 209 additions and 1 deletions
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tests/test-runner/bin/zts-report.py.in
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@@ -287,6 +287,8 @@ elif sys.platform.startswith('linux'):
'bclone/bclone_samefs_data': ['SKIP', cfr_reason],
'bclone/bclone_samefs_embedded': ['SKIP', cfr_reason],
'bclone/bclone_samefs_hole': ['SKIP', cfr_reason],
'block_cloning/block_cloning_clone_mmap_write':
['SKIP', cfr_reason],
'block_cloning/block_cloning_copyfilerange':
['SKIP', cfr_reason],
'block_cloning/block_cloning_copyfilerange_cross_dataset':