btrfs: free qgroup pertrans reserve on transaction abort

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If we abort a transaction, we never run the code that frees the pertrans
qgroup reservation. This results in warnings on unmount as that
reservation has been leaked. The leak isn't a huge issue since the fs is
read-only, but it's better to clean it up when we know we can/should. Do
it during the cleanup_transaction step of aborting.

CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>

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Boris Burkov 2023-12-01 13:00:11 -08:00 • committed by David Sterba

parent 9e65bfca24

commit b321a52cce

4 changed files with 34 additions and 4 deletions

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28

fs/btrfs/disk-io.c

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5

fs/btrfs/qgroup.c

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2

fs/btrfs/transaction.c

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3

fs/btrfs/transaction.h

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