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FreeBSD: notify userspace when a vdev is removed

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This is needed for zfsd to autoreplace vdevs.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #11260
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Ryan Moeller 2020-12-02 13:20:02 -05:00 committed by GitHub
parent ec50cd24ba
commit 0aacde2e9a
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2 changed files with 5 additions and 0 deletions
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2
cmd/zed/agents/zfs_agents.c
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@ -181,6 +181,8 @@ zfs_agent_post_event(const char *class, const char *subclass, nvlist_t *nvl)
* from the vdev_disk layer after a hot unplug. Fortunately we do
* get an EC_DEV_REMOVE from our disk monitor and it is a suitable
* proxy so we remap it here for the benefit of the diagnosis engine.
* Starting in OpenZFS 2.0, we do get FM_RESOURCE_REMOVED from the spa
* layer. Processing multiple FM_RESOURCE_REMOVED events is not harmful.
*/
if ((strcmp(class, EC_DEV_REMOVE) == 0) &&
(strcmp(subclass, ESC_DISK) == 0) &&

3
module/zfs/spa.c
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@ -7974,6 +7974,9 @@ spa_async_remove(spa_t *spa, vdev_t *vd)
vd->vdev_stat.vs_checksum_errors = 0;
vdev_state_dirty(vd->vdev_top);
/* Tell userspace that the vdev is gone. */
zfs_post_remove(spa, vd);
}
for (int c = 0; c < vd->vdev_children; c++)