xfs: lockdep annotations for xfs_dqlock2

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xfs_dqlock2 locks two xfs_dquots, which is fine as it always locks the
dquot with the lower id first.  Use mutex_lock_nested to tell lockdep
about this fact.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>

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Christoph Hellwig 2009-01-19 02:03:19 +01:00 • committed by Lachlan McIlroy

parent 080dda7f5e

commit 4f2d4ac6e5

2 changed files with 24 additions and 10 deletions

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24

fs/xfs/quota/xfs_dquot.c

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10

fs/xfs/quota/xfs_dquot.h

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