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Filipe Manana
18562c4228
Test that if we have a subvolume/snapshot that is writable, has a file with unflushed delalloc (buffered writes not yet flushed), turn the subvolume to readonly mode and then use it for send a operation, the send stream will contain the delalloc data - that is, no data loss happens. This currently files on btrfs (data loss) but is fixed by a patch for the linux kernel titled: "Btrfs: send, flush dellaloc in order to avoid data loss" Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
15 lines
403 B
Plaintext
15 lines
403 B
Plaintext
QA output created by 186
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Create subvolume 'SCRATCH_MNT/sv'
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wrote 110592/110592 bytes at offset 0
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XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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At subvol SCRATCH_MNT/sv
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File content in the original filesystem:
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0000000 ea ea ea ea ea ea ea ea ea ea ea ea ea ea ea ea
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*
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0110592
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At subvol sv
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File content in the new filesystem:
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0000000 ea ea ea ea ea ea ea ea ea ea ea ea ea ea ea ea
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*
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0110592
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