xfs: make the RT allocator rtgroup aware

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Make the allocator rtgroup aware by either picking a specific group if
there is a hint, or loop over all groups otherwise.  A simple rotor is
provided to pick the placement for initial allocations.

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 2024-11-03 20:19:29 -08:00 • committed by Darrick J. Wong

parent b91afef724

commit d162491c54

4 changed files with 105 additions and 13 deletions

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13

fs/xfs/libxfs/xfs_bmap.c

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6

fs/xfs/libxfs/xfs_rtbitmap.c

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1

fs/xfs/xfs_mount.h

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98

fs/xfs/xfs_rtalloc.c

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