xfs: dynamically allocate btree scrub context structure

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Reorganize struct xchk_btree so that we can dynamically size the context
structure to fit the type of btree cursor that we have.  This will
enable us to use memory more efficiently once we start adding very tall
btree types.  Right-size the lastkey array to match the number of *node*
levels in the tree so that we stop wasting space.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

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Darrick J. Wong 2021-09-16 12:21:55 -07:00

parent d47fef9342

commit eae5db476f

2 changed files with 26 additions and 12 deletions

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23

fs/xfs/scrub/btree.c

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15

fs/xfs/scrub/btree.h

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