Commit 0e07c039 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: add shared rmap map/unmap/convert log item types 



Wire up some rmap log redo item type codes to map, unmap, or convert
shared data block extents.  The actual log item recovery comes in a
later patch.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent 80de462e

fs/xfs/libxfs/xfs_log_format.h

+3 −0
Original line number Diff line number Diff line
@@ -635,8 +635,11 @@ struct xfs_map_extent { 


/* rmap me_flags: upper bits are flags, lower byte is type code */

#define XFS_RMAP_EXTENT_MAP		1

#define XFS_RMAP_EXTENT_MAP_SHARED	2

#define XFS_RMAP_EXTENT_UNMAP		3

#define XFS_RMAP_EXTENT_UNMAP_SHARED	4

#define XFS_RMAP_EXTENT_CONVERT		5

#define XFS_RMAP_EXTENT_CONVERT_SHARED	6

#define XFS_RMAP_EXTENT_ALLOC		7

#define XFS_RMAP_EXTENT_FREE		8

#define XFS_RMAP_EXTENT_TYPE_MASK	0xFF

fs/xfs/xfs_rmap_item.c

+3 −0
Original line number Diff line number Diff line
@@ -441,8 +441,11 @@ xfs_rui_recover( 
				   XFS_FSB_TO_DADDR(mp, rmap->me_startblock));

		switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {

		case XFS_RMAP_EXTENT_MAP:

		case XFS_RMAP_EXTENT_MAP_SHARED:

		case XFS_RMAP_EXTENT_UNMAP:

		case XFS_RMAP_EXTENT_UNMAP_SHARED:

		case XFS_RMAP_EXTENT_CONVERT:

		case XFS_RMAP_EXTENT_CONVERT_SHARED:

		case XFS_RMAP_EXTENT_ALLOC:

		case XFS_RMAP_EXTENT_FREE:

			op_ok = true;

fs/xfs/xfs_trans_rmap.c

+9 −0
Original line number Diff line number Diff line
@@ -48,12 +48,21 @@ xfs_trans_set_rmap_flags( 
	case XFS_RMAP_MAP:

		rmap->me_flags |= XFS_RMAP_EXTENT_MAP;

		break;

	case XFS_RMAP_MAP_SHARED:

		rmap->me_flags |= XFS_RMAP_EXTENT_MAP_SHARED;

		break;

	case XFS_RMAP_UNMAP:

		rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP;

		break;

	case XFS_RMAP_UNMAP_SHARED:

		rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP_SHARED;

		break;

	case XFS_RMAP_CONVERT:

		rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT;

		break;

	case XFS_RMAP_CONVERT_SHARED:

		rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT_SHARED;

		break;

	case XFS_RMAP_ALLOC:

		rmap->me_flags |= XFS_RMAP_EXTENT_ALLOC;

		break;