btrfs: delete pointless BUG_ON check on quota root in btrfs_qgroup_account_extent()
[ Upstream commit f40a3ea94881f668084f68f6b9931486b1606db0 ]
The BUG_ON is deep in the qgroup code where we can expect that it
exists. A NULL pointer would cause a crash.
It was added long ago in 550d7a2ed5
("btrfs: qgroup: Add new qgroup
calculation function btrfs_qgroup_account_extents()."). It maybe made
sense back then as the quota enable/disable state machine was not that
robust as it is nowadays, so we can just delete it.
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -2658,8 +2658,6 @@ int btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, u64 bytenr,
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if (nr_old_roots == 0 && nr_new_roots == 0)
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goto out_free;
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BUG_ON(!fs_info->quota_root);
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trace_btrfs_qgroup_account_extent(fs_info, trans->transid, bytenr,
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num_bytes, nr_old_roots, nr_new_roots);
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