xfs: reflink should break pnfs leases before sharing blocks

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Before we share blocks between files, we need to break the pnfs leases
on the layout before we start slicing and dicing the block map.  The
structure of this function sets us up for the lock contention reduction
in the next patch.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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Darrick J. Wong 2018-01-18 13:55:20 -08:00

parent c47b74fb2d

commit 1364b1d4b5

1 changed files with 47 additions and 1 deletions

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fs/xfs/xfs_reflink.c

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