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zed: misc vdev_enc_sysfs_path fixes

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There have been rare cases where the VDEV_ENC_SYSFS_PATH value that zed
gets passed is stale.  To mitigate this, dynamically check the sysfs
path at the time of zed event processing, and use the dynamic value if
possible.  Note that there will be other times when we can not
dynamically detect the sysfs path (like if a disk disappears) and have
to rely on the old value for things like turning on the fault LED.  That
is to say, we can't just blindly use the dynamic path in every case.

Also:
	- Add enclosure sysfs entry when running 'zpool add'
	- Fix 'slot' and 'enc' zpool.d scripts for nvme

Reviewed-by: Don Brady <dev.fs.zfs@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #15462
This commit is contained in:
Tony Hutter
2023-11-07 09:09:24 -08:00
committed by GitHub
parent 2a154b8484
commit 358ce2cf28
8 changed files with 78 additions and 8 deletions
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lib/libzfs/libzfs.abi
+7
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@@ -260,6 +260,7 @@
<elf-symbol name='tpool_suspended' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='tpool_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='update_vdev_config_dev_strs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='update_vdev_config_dev_sysfs_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='use_color' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='vdev_expand_proplist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='vdev_name_to_prop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@@ -8332,6 +8333,12 @@
<parameter type-id='b59d7dce' name='buflen'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='update_vdev_config_dev_sysfs_path' mangled-name='update_vdev_config_dev_sysfs_path' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='update_vdev_config_dev_sysfs_path'>
<parameter type-id='5ce45b60' name='nv'/>
<parameter type-id='80f4b756' name='path'/>
<parameter type-id='80f4b756' name='key'/>
<return type-id='48b5725f'/>
</function-decl>
<function-type size-in-bits='64' id='2ec2411e'>
<parameter type-id='eaa32e2f'/>
<parameter type-id='5ce45b60'/>