xfs: create a incompat flag for atomic file mapping exchanges

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Create a incompat flag so that we only attempt to process file mapping
exchange log items if the filesystem supports it, and a geometry flag to
advertise support if it's present.

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 2024-04-15 14:54:15 -07:00

parent 9a64d9b310

commit 1518646eef

5 changed files with 24 additions and 11 deletions

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23

fs/xfs/libxfs/xfs_format.h

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1

fs/xfs/libxfs/xfs_fs.h

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5

fs/xfs/libxfs/xfs_sb.c

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2

fs/xfs/xfs_mount.h

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4

fs/xfs/xfs_super.c

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