storage: Robustify btrfs polling #19853
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It is only a warning when one of the "btrfs" invocations terminates unsuccessfully, and the loop continues with the next volume. Some failures are expected when polling happens concurrently with removing subvolumes or volumes.
cockpituous
reviewed
Jan 18, 2024
| const m = line.match(/ID (\d+).*parent (\d+).*path (<FS_TREE>\/)?(.*)/); | ||
| if (m) | ||
| subvols.push({ pathname: m[4], id: Number(m[1]) }); | ||
| console.warn(`unable to obtain subvolumes for mount point ${mount_point}`, err); |
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| const id_match = output.match(/ID (\d+).*/); | ||
| if (id_match) | ||
| btrfs_default_subvol[uuid] = Number(id_match[1]); | ||
| } catch (err) { | ||
| console.error(`unable to obtain default subvolume for mount point ${mount_point}`, err); | ||
| console.warn(`unable to obtain default subvolume for mount point ${mount_point}`, err); |
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| } catch (err) { | ||
| console.warn(`btrfs filesystem show ${uuid}`, err); |
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It is only a warning when one of the "btrfs" invocations terminates unsuccessfully, and the loop continues with the next volume.
Some failures are expected when polling happens concurrently with removing subvolumes or volumes.