xfs: add the ability to reap entire inode forks

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In preparation for supporting repair of indexed file-based metadata
(such as realtime bitmaps, directories, and extended attribute data),
add a function to reap the old blocks after a metadata repair finishes.
IOWs, this is an elaborate bunmapi call that deals with crosslinked
blocks by unmapping them without freeing them, and also scans for incore
buffers to invalidate.

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

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Darrick J. Wong 2024-04-15 14:54:30 -07:00

parent 20a3c1ecc3

commit 5befb047b9

3 changed files with 436 additions and 0 deletions

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372

fs/xfs/scrub/reap.c

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1

fs/xfs/scrub/reap.h

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63

fs/xfs/scrub/trace.h

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