[XFS] implement generic xfs_btree_lshift

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Make the btree left shift code generic. Based on a patch from David
Chinner with lots of changes to follow the original btree implementations
more closely. While this loses some of the generic helper routines for
inserting/moving/removing records it also solves some of the one off bugs
in the original code and makes it easier to verify.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32197a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>

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This commit is contained in:

Christoph Hellwig 2008-10-30 16:56:53 +11:00 • committed by Lachlan McIlroy

parent 9eaead51be

commit 687b890a18

5 changed files with 192 additions and 425 deletions

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146

fs/xfs/xfs_alloc_btree.c

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138

fs/xfs/xfs_bmap_btree.c

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185

fs/xfs/xfs_btree.c

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1

fs/xfs/xfs_btree.h

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147

fs/xfs/xfs_ialloc_btree.c

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