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Fixes in head_errlog feature with encryption

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For the head_errlog feature use dsl_dataset_hold_obj_flags() instead of
dsl_dataset_hold_obj() in order to enable access to the encryption keys
(if loaded). This enables reporting of errors in encrypted filesystems
which are not mounted but have their keys loaded.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #14837
This commit is contained in:
George Amanakis
2023-05-08 22:35:03 +02:00
committed by GitHub
parent 3095ca91c2
commit 4eca03faaf
4 changed files with 56 additions and 52 deletions
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man/man7/zpool-features.7
+3 -4
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@@ -562,13 +562,12 @@ This feature enables the upgraded version of errlog, which required an on-disk
error log format change.
Now the error log of each head dataset is stored separately in the zap object
and keyed by the head id.
In case of encrypted filesystems with unloaded keys or unmounted encrypted
filesystems we are unable to check their snapshots or clones for errors and
these will not be reported.
In this case no filenames will be reported either.
With this feature enabled, every dataset affected by an error block is listed
in the output of
.Nm zpool Cm status .
In case of encrypted filesystems with unloaded keys we are unable to check
their snapshots or clones for errors and these will not be reported.
An "access denied" error will be reported.
.Pp
\*[instant-never]
.