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xfs: log rmap intent items

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Provide a mechanism for higher levels to create RUI/RUD items, submit
them to the log, and a stub function to deal with recovered RUI items.
These parts will be connected to the rmapbt in a later patch.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong
2016-08-03 12:09:48 +10:00
committed by Dave Chinner
parent 5880f2d78f
commit 9e88b5d867
6 changed files with 438 additions and 0 deletions
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fs/xfs/xfs_rmap_item.h
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@@ -96,5 +96,6 @@ int xfs_rui_copy_format(struct xfs_log_iovec *buf,
struct xfs_rui_log_format *dst_rui_fmt);
void xfs_rui_item_free(struct xfs_rui_log_item *);
void xfs_rui_release(struct xfs_rui_log_item *);
int xfs_rui_recover(struct xfs_mount *mp, struct xfs_rui_log_item *ruip);
#endif /* __XFS_RMAP_ITEM_H__ */