btrfs: handle extent corruption with select_one_root properly

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In corruption cases we could have paths from a block up to no root at
all, and thus we'll BUG_ON(!root) in select_one_root.  Handle this by
adding an ASSERT() for developers, and returning an error for normal
users.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2021-03-12 15:25:32 -05:00 • committed by David Sterba

parent e0b085b0b0

commit 8717cf440d

1 changed files with 16 additions and 3 deletions

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fs/btrfs/relocation.c

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