xfs: allow block allocator to take an alignment hint

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Add a BMAPI flag to provide a hint to the block allocator to align extents
according to the extszhint.

This will be useful for atomic writes to ensure that we are not being
allocated extents which are not suitable (for atomic writes).

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>

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John Garry 2025-05-07 14:18:27 -07:00 • committed by Darrick J. Wong

parent 85bf2dfa3f

commit 6baf4cc47a

2 changed files with 10 additions and 1 deletions

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5

fs/xfs/libxfs/xfs_bmap.c

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6

fs/xfs/libxfs/xfs_bmap.h

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