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From fed62af06eb1584adbacd821dfe79c2df52c6aa4 Mon Sep 17 00:00:00 2001
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From: Vojtech Trefny <vtrefny@redhat.com>
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Date: Wed, 2 Nov 2022 12:14:28 +0100
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Subject: [PATCH] Catch BlockDevNotImplementedError for btrfs plugin calls
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This is a workaround for RHEL where the btrfs plugin is not
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available and where we might still try to call some libblockdev
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functions to gather information about preexisting btrfs devices.
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---
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blivet/devices/btrfs.py | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/blivet/devices/btrfs.py b/blivet/devices/btrfs.py
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index 0e029715..1ae6a04d 100644
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--- a/blivet/devices/btrfs.py
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+++ b/blivet/devices/btrfs.py
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@@ -362,7 +362,7 @@ class BTRFSVolumeDevice(BTRFSDevice, ContainerDevice, RaidDevice):
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try:
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subvols = blockdev.btrfs.list_subvolumes(mountpoint,
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snapshots_only=snapshots_only)
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- except blockdev.BtrfsError as e:
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+ except (blockdev.BtrfsError, blockdev.BlockDevNotImplementedError) as e:
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log.debug("failed to list subvolumes: %s", e)
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else:
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self._get_default_subvolume_id()
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@@ -400,7 +400,7 @@ class BTRFSVolumeDevice(BTRFSDevice, ContainerDevice, RaidDevice):
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with self._do_temp_mount() as mountpoint:
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try:
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subvolid = blockdev.btrfs.get_default_subvolume_id(mountpoint)
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- except blockdev.BtrfsError as e:
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+ except (blockdev.BtrfsError, blockdev.BlockDevNotImplementedError) as e:
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log.debug("failed to get default subvolume id: %s", e)
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self._default_subvolume_id = subvolid
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@@ -413,7 +413,7 @@ class BTRFSVolumeDevice(BTRFSDevice, ContainerDevice, RaidDevice):
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with self._do_temp_mount() as mountpoint:
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try:
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blockdev.btrfs.set_default_subvolume(mountpoint, vol_id)
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- except blockdev.BtrfsError as e:
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+ except (blockdev.BtrfsError, blockdev.BlockDevNotImplementedError) as e:
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log.error("failed to set new default subvolume id (%s): %s",
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vol_id, e)
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# The only time we set a new default subvolume is so we can remove
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@@ -471,7 +471,7 @@ class BTRFSVolumeDevice(BTRFSDevice, ContainerDevice, RaidDevice):
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if not self.format.vol_uuid:
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try:
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bd_info = blockdev.btrfs.filesystem_info(self.parents[0].path)
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- except blockdev.BtrfsError as e:
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+ except (blockdev.BtrfsError, blockdev.BlockDevNotImplementedError) as e:
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log.error("failed to get filesystem info for new btrfs volume %s", e)
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else:
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self.format.vol_uuid = bd_info.uuid
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--
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2.38.1
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