From: Dave Chinner <dchinner@xxxxxxxxxx>
Source kernel commit: 68422d90dad4fe98f99d6e414aeec9a58d5185d5
we need to name the btree cursor private structures to be able
to pull them out of the deeply nested structure definition they are
in now.
Based on code extracted from a patchset by Darrick Wong.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
libxfs/xfs_btree.h | 39 ++++++++++++++++++++++++---------------
1 file changed, 24 insertions(+), 15 deletions(-)
diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h
index 337fb1d0..5e1bae45 100644
--- a/libxfs/xfs_btree.h
+++ b/libxfs/xfs_btree.h
@@ -188,6 +188,27 @@ union xfs_btree_cur_private {
} abt;
};
+/* Per-AG btree information. */
+struct xfs_btree_cur_ag {
+ struct xfs_buf *agbp;
+ xfs_agnumber_t agno;
+ union xfs_btree_cur_private priv;
+};
+
+/* Btree-in-inode cursor information */
+struct xfs_btree_cur_ino {
+ struct xfs_inode *ip;
+ int allocated;
+ short forksize;
+ char whichfork;
+ char flags;
+/* We are converting a delalloc reservation */
+#define XFS_BTCUR_BMBT_WASDEL (1 << 0)
+
+/* For extent swap, ignore owner check in verifier */
+#define XFS_BTCUR_BMBT_INVALID_OWNER (1 << 1)
+};
+
/*
* Btree cursor structure.
* This collects all information needed by the btree code in one place.
@@ -209,21 +230,9 @@ typedef struct xfs_btree_cur
xfs_btnum_t bc_btnum; /* identifies which btree type */
int bc_statoff; /* offset of btre stats array */
union {
- struct { /* needed for BNO, CNT, INO */
- struct xfs_buf *agbp; /* agf/agi buffer pointer */
- xfs_agnumber_t agno; /* ag number */
- union xfs_btree_cur_private priv;
- } bc_ag;
- struct { /* needed for BMAP */
- struct xfs_inode *ip; /* pointer to our inode */
- int allocated; /* count of alloced */
- short forksize; /* fork's inode space */
- char whichfork; /* data or attr fork */
- char flags; /* flags */
-#define XFS_BTCUR_BMBT_WASDEL (1 << 0) /* was delayed */
-#define XFS_BTCUR_BMBT_INVALID_OWNER (1 << 1) /* for ext swap */
- } bc_ino;
- }; /* per-btree type data */
+ struct xfs_btree_cur_ag bc_ag;
+ struct xfs_btree_cur_ino bc_ino;
+ };
} xfs_btree_cur_t;
/* cursor flags */
--
2.26.2
