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: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 26ef195..5c90f82 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -79,6 +79,7 @@
xfs_extent_busy.o \
xfs_file.o \
xfs_filestream.o \
+ xfs_fsmap.o \
xfs_fsops.o \
xfs_globals.o \
xfs_icache.o \