Commit f0ec1b8e authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: add reflink feature flag to geometry 



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

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent 53aa1c34

fs/xfs/libxfs/xfs_fs.h

+2 −1
Original line number Diff line number Diff line
@@ -206,7 +206,8 @@ 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.

fs/xfs/xfs_fsops.c

+3 −1
Original line number Diff line number Diff line
@@ -108,7 +108,9 @@ xfs_fs_geometry( 
			(xfs_sb_version_hassparseinodes(&mp->m_sb) ?

				XFS_FSOP_GEOM_FLAGS_SPINODES : 0) |

			(xfs_sb_version_hasrmapbt(&mp->m_sb) ?

				XFS_FSOP_GEOM_FLAGS_RMAPBT : 0);

				XFS_FSOP_GEOM_FLAGS_RMAPBT : 0) |

			(xfs_sb_version_hasreflink(&mp->m_sb) ?

				XFS_FSOP_GEOM_FLAGS_REFLINK : 0);

		geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?

				mp->m_sb.sb_logsectsize : BBSIZE;

		geo->rtsectsize = mp->m_sb.sb_blocksize;