btrfs: add assertions where number of devices could go below 0

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In preparation to add helper function to deduce the num_devices with
replace running, use assert instead of BUG_ON or WARN_ON. The number of
devices would not normally drop to 0 due to other checks so the assert
is sufficient.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog, adjust the assert condition ]
Signed-off-by: David Sterba <dsterba@suse.com>

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Anand Jain 2018-08-10 13:53:20 +08:00 • committed by David Sterba

parent f8b00e0f06

commit 16220c467a

1 changed files with 2 additions and 2 deletions

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fs/btrfs/volumes.c

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