xfs: enable discarding of folios backing an xfile

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Create a new xfile function to discard the page cache that's backing
part of an xfile.  The next patch wil use this to drop parts of an xfile
that aren't needed anymore.

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 14:54:42 -07:00

parent fe6c9f8e48

commit 98339edf07

3 changed files with 14 additions and 0 deletions

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1

fs/xfs/scrub/trace.h

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12

fs/xfs/scrub/xfile.c

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1

fs/xfs/scrub/xfile.h

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