b22bd6de9e
mkfs.btrfs (unlike mkfs.ext4) checks if the target already contains a file system and refuses to continue if so. This causes spurious fails in case the random garbage on the temporary device matches a valid FS header: [ 19.723806] testsuite-64.sh[355]: + udevadm lock --device=/dev/mapper/encbtrfs0 --device=/dev/mapper/encbtrfs1 --device=/dev/mapper/encbtrfs2 --device=/dev/mapper/encbtrfs3 mkfs.btrfs -M -d raid1 -m raid1 -L btrfs_mencdisk -U deadbeef-dead-dead-beef-000000000003 /dev/mapper/encbtrfs0 /dev/mapper/encbtrfs1 /dev/mapper/encbtrfs2 /dev/mapper/encbtrfs3 [ 19.918934] testsuite-64.sh[2494]: ERROR: /dev/mapper/encbtrfs0 appears to contain an existing filesystem (hfsplus) [ 19.920490] testsuite-64.sh[2494]: ERROR: use the -f option to force overwrite of /dev/mapper/encbtrfs0 Let's force mkfs.btrfs to overwrite the file system in such case. (cherry picked from commit b3ba7d6274aff864a80dc9b1ff7d88ad376da451) (cherry picked from commit 12c3b1980b47a87139c3f4406161df69e7515873) (cherry picked from commit b67fad80e048ab4d8f0f39e40302b41f6161fe75)
System and Service Manager
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