xfs: add a xfs_btree_init_ptr_from_cur

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Inode-rooted btrees don't need to initialize the root pointer in the
->init_ptr_from_cur method as the root is found by the
xfs_btree_get_iroot method later.  Make ->init_ptr_from_cur option
for inode rooted btrees by providing a helper that does the right
thing for the given btree type and also documents the semantics.

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 2024-02-22 12:37:26 -08:00 • committed by Darrick J. Wong

parent 72c2070f3f

commit f9c18129e5

5 changed files with 26 additions and 15 deletions

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9

fs/xfs/libxfs/xfs_bmap_btree.c

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27

fs/xfs/libxfs/xfs_btree.c

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2

fs/xfs/libxfs/xfs_btree.h

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1

fs/xfs/libxfs/xfs_btree_staging.c

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fs/xfs/scrub/btree.c

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