btrfs: allow remapped chunks to have zero stripes

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When a chunk has been fully remapped, we are going to set its
num_stripes to 0, as it will no longer represent a physical location on
disk.

Change tree-checker to allow for this, and fix read_one_chunk() to avoid
a divide by zero.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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This commit is contained in:

Mark Harmstone 2026-01-07 14:09:03 +00:00 • committed by David Sterba

parent 0b4d29fa98

commit c3d6dda60c

2 changed files with 41 additions and 21 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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55

fs/btrfs/tree-checker.c

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7

fs/btrfs/volumes.c

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