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xfs: implement the GETFSMAP ioctl
authorDarrick J. Wong <darrick.wong@oracle.com>
Thu, 11 May 2017 19:01:07 +0000 (14:01 -0500)
committerEric Sandeen <sandeen@redhat.com>
Thu, 11 May 2017 19:01:07 +0000 (14:01 -0500)
commit9282c506a62cad473c4c5f157f3eff0b0b9c3f10
treed6cf5c2d5cac095fbc0f58ad011c398b9b246125tree | snapshot
parent0b10a7f446749273495ea3f29e98a68cd9ba0b0ecommit | diff
xfs: implement the GETFSMAP ioctl

Source kernel commit: e89c041338ed6ef2694e6465ca1ba033e0a2978c

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

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
libxfs/xfs_fs.h diff | blob | blame | history
libxfs/xfs_rmap.c diff | blob | blame | history
libxfs/xfs_rmap.h diff | blob | blame | history
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