xfs: hoist the node iroot update code out of xfs_btree_new_iroot

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In preparation for allowing records in an inode btree root, hoist the
code that copies keyptrs from an existing node root into a child block
to a separate function.  Note that the new function explicitly computes
the keys of the new child block and stores that in the root block; while
the bmap btree could rely on leaving the key alone, realtime rmap needs
to set the new high key.

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

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This commit is contained in:

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

parent c914081775

commit 7708951ae5

1 changed files with 76 additions and 41 deletions

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fs/xfs/libxfs/xfs_btree.c

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