xfs: add a xfs_qm_unmount_rt helper

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RT group enabled file systems fix the bug where we pointlessly attach
quotas to the RT bitmap and summary files.  Split the code to detach the
quotas into a helper, make it conditional and document the differing
behavior for RT group and pre-RT group file systems.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

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Christoph Hellwig 2024-11-03 20:19:07 -08:00 • committed by Darrick J. Wong

parent 9c3cfb9c96

commit cd8d049082

1 changed files with 18 additions and 4 deletions

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fs/xfs/xfs_qm.c

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