* "error inheriting props for ino": Btrfs "compression" property
@ 2018-07-25 16:16 Roman Mamedov
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From: Roman Mamedov @ 2018-07-25 16:16 UTC (permalink / raw)
To: linux-btrfs
Hello,
On two machines I have subvolumes where I backup other hosts' root filesystems
via rsync. These subvolumes have the +c attribute on them.
During the backup, sometimes I get tons of messages like these in dmesg:
[Wed Jul 25 20:58:22 2018] BTRFS error (device dm-8): error inheriting props for ino 1213720 (root 1301): -28
[Wed Jul 25 20:58:22 2018] BTRFS error (device dm-8): error inheriting props for ino 1213723 (root 1301): -28
[Wed Jul 25 20:58:22 2018] BTRFS error (device dm-8): error inheriting props for ino 1213724 (root 1301): -28
[Wed Jul 25 20:58:22 2018] BTRFS error (device dm-8): error inheriting props for ino 1213725 (root 1301): -28
# btrfs inspect inode-resolve 1213720 .
./gemini/lib/modules/4.14.58-rm2+/kernel/virt
This seems to be related to the "compression" property in Btrfs:
# btrfs property get ./gemini/lib/modules/4.14.58-rm2+/
compression=zlib
# btrfs property get ./gemini/lib/modules/4.14.58-rm2+/kernel/virt
(no output)
Why would it fail like that? This does seem harmless, but the messages are annoying and it's puzzling why
this happens in the first place.
--
With respect,
Roman
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2018-07-25 16:16 "error inheriting props for ino": Btrfs "compression" property Roman Mamedov
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