From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Tue, 25 Oct 2016 01:30:19 +0000 (+1100)
Subject: xfs: log bmap intent items
X-Git-Tag: v4.9.0-rc1~98
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=34f8f3e12ea53c8ec956560df322a8f24a15f6a4;p=thirdparty%2Fxfsprogs-dev.git

xfs: log bmap intent items

Source kernel commit: 77d61fe45e720577a2cc0e9580fbc57d8faa7232

Provide a mechanism for higher levels to create BUI/BUD items, submit
them to the log, and a stub function to deal with recovered BUI 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: Christoph Hellwig <hch@lst.de>
---

diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h
index 1067fe364..2d238a580 100644
--- a/libxfs/xfs_bmap.h
+++ b/libxfs/xfs_bmap.h
@@ -214,4 +214,17 @@ struct xfs_bmbt_rec_host *
 				struct xfs_bmbt_irec *prevp);
 
 
+enum xfs_bmap_intent_type {
+	XFS_BMAP_MAP = 1,
+	XFS_BMAP_UNMAP,
+};
+
+struct xfs_bmap_intent {
+	struct list_head			bi_list;
+	enum xfs_bmap_intent_type		bi_type;
+	struct xfs_inode			*bi_owner;
+	int					bi_whichfork;
+	struct xfs_bmbt_irec			bi_bmap;
+};
+
 #endif	/* __XFS_BMAP_H__ */