xfs: add reflink feature flag to geometry

Source kernel commit: f0ec1b8ef11df0a51954df7e3ff3ca4aadb0d34b

Report the reflink feature in the XFS geometry so that xfs_info and
friends know the filesystem has this feature.

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

diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 085ea6ff783fed5fdfb81ee88d9ac20aecc5d87f..f291a5352d7fff8593388b0c9f880c04dd1c7811 100644 (file)
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -230,7 +230,8 @@ typedef struct xfs_fsop_resblks {
 #define XFS_FSOP_GEOM_FLAGS_FTYPE      0x10000 /* inode directory types */
 #define XFS_FSOP_GEOM_FLAGS_FINOBT     0x20000 /* free inode btree */
 #define XFS_FSOP_GEOM_FLAGS_SPINODES   0x40000 /* sparse inode chunks  */
-#define XFS_FSOP_GEOM_FLAGS_RMAPBT     0x80000 /* Reverse mapping btree */
+#define XFS_FSOP_GEOM_FLAGS_RMAPBT     0x80000 /* reverse mapping btree */
+#define XFS_FSOP_GEOM_FLAGS_REFLINK    0x100000 /* files can share blocks */
 
 /*
  * Minimum and maximum sizes need for growth checks.