xfs: add realtime rmap btree operations

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Implement the generic btree operations needed to manipulate rtrmap
btree blocks. This is different from the regular rmapbt in that we
allocate space from the filesystem at large, and are neither
constrained to the free space nor any particular AG.

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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Darrick J. Wong 2024-11-20 16:20:23 -08:00

parent e1c76fce50

commit d386b40243

3 changed files with 345 additions and 0 deletions

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68

fs/xfs/libxfs/xfs_btree.c

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6

fs/xfs/libxfs/xfs_btree.h

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271

fs/xfs/libxfs/xfs_rtrmap_btree.c

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