xfs: factor out rtbitmap/summary initialization helpers

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Add helpers to libxfs that can be shared by growfs and mkfs for
initializing the rtbitmap and summary, and by passing the optional data
pointer also by repair for rebuilding them.  This will become even more
useful when the rtgroups feature adds a metadata header to each block,
which means even more shared code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
[djwong: minor documentation and data advance tweaks]
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

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Christoph Hellwig 2024-08-30 15:36:59 -07:00 • committed by Darrick J. Wong

parent 266e78aec4

commit 2a95ffc44b

3 changed files with 133 additions and 117 deletions

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126

fs/xfs/libxfs/xfs_rtbitmap.c

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3

fs/xfs/libxfs/xfs_rtbitmap.h

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121

fs/xfs/xfs_rtalloc.c

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