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Commit e89c0413 authored by Darrick J. Wong's avatar Darrick J. Wong
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xfs: implement the GETFSMAP ioctl 


Introduce a new ioctl that uses the reverse mapping btree to return
information about the physical layout of the filesystem.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarBrian Foster <bfoster@redhat.com>
parent fb3c3de2
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