vfs: support FS_XFLAG_COWEXTSIZE and get/set of CoW extent size hint

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Introduce XFLAGs for the new XFS CoW extent size hint, and actually
plumb the CoW extent size hint into the fsxattr structure.

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

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Darrick J. Wong 2016-10-03 09:11:13 -07:00

parent 155cd433b5

commit 0a6eab8bd4

1 changed files with 3 additions and 1 deletions

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include/uapi/linux/fs.h

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