xfs: rework log grant space calculations

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The log grant space calculations are repeated for both write and
reserve grant heads. To make it simpler to convert the calculations
toa different algorithm, factor them so both the gratn heads use the
same calculation functions. Once this is done we can drop the
wrappers that are used in only a couple of place to update both
grant heads at once as they don't provide any particular value.

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

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Dave Chinner 2010-12-21 12:06:05 +11:00 • committed by Dave Chinner

parent 3f336c6fa1

commit 663e496a72

1 changed files with 48 additions and 47 deletions

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fs/xfs/xfs_log.c

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