From b8c3f60e7c3d545904ea1ba7ed1413f3a3eef7af Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 1 Oct 2024 18:20:04 -0700 Subject: [PATCH] xfs: simplify usage of the rcur local variable in xfs_rmap_finish_one Source kernel commit: 905af72610d90f58f994feff4ead1fc258f5d2b1 Only update rcur when we know the final *pcur value. Signed-off-by: Christoph Hellwig [djwong: don't leave the caller with a dangling ref] Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- libxfs/xfs_rmap.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 1b5004b9..d60edaa2 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -2569,7 +2569,7 @@ xfs_rmap_finish_one( { struct xfs_owner_info oinfo; struct xfs_mount *mp = tp->t_mountp; - struct xfs_btree_cur *rcur; + struct xfs_btree_cur *rcur = *pcur; struct xfs_buf *agbp = NULL; xfs_agblock_t bno; bool unwritten; @@ -2584,7 +2584,6 @@ xfs_rmap_finish_one( * If we haven't gotten a cursor or the cursor AG doesn't match * the startblock, get one now. */ - rcur = *pcur; if (rcur != NULL && rcur->bc_ag.pag != ri->ri_pag) { xfs_btree_del_cursor(rcur, 0); rcur = NULL; @@ -2606,9 +2605,8 @@ xfs_rmap_finish_one( return -EFSCORRUPTED; } - rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, ri->ri_pag); + *pcur = rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, ri->ri_pag); } - *pcur = rcur; xfs_rmap_ino_owner(&oinfo, ri->ri_owner, ri->ri_whichfork, ri->ri_bmap.br_startoff); -- 2.47.2