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

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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: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2016-10-03 09:11:47 -07:00
parent 80de462e09
commit 0e07c039ba
3 changed files with 15 additions and 0 deletions
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3
fs/xfs/libxfs/xfs_log_format.h
View File

@ -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

3
fs/xfs/xfs_rmap_item.c
View File

@ -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;

9
fs/xfs/xfs_trans_rmap.c
View File

@ -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;