xfs: add realtime reverse map inode to metadata directory

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Add a metadir path to select the realtime rmap btree inode and load
it at mount time.  The rtrmapbt inode will have a unique extent format
code, which means that we also have to update the inode validation and
flush routines to look for it.

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 16:20:27 -08:00

parent 702c90f451

commit 6b08901a6e

6 changed files with 47 additions and 6 deletions

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4

fs/xfs/libxfs/xfs_format.h

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9

fs/xfs/libxfs/xfs_inode_buf.c

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6

fs/xfs/libxfs/xfs_inode_fork.c

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20

fs/xfs/libxfs/xfs_rtgroup.c

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8

fs/xfs/libxfs/xfs_rtgroup.h

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6

fs/xfs/libxfs/xfs_rtrmap_btree.c

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