From 6868b8505c807ad9397d78cc4e07cb1cb3582152 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 11 Oct 2023 12:35:20 -0700 Subject: [PATCH] xfs: adjust the incore perag block_count when shrinking If we reduce the number of blocks in an AG, we must update the incore geometry values as well. Fixes: 0800169e3e2c9 ("xfs: Pre-calculate per-AG agbno geometry") Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_ag.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c index e9cc481b4ddf..f9f4d694640d 100644 --- a/fs/xfs/libxfs/xfs_ag.c +++ b/fs/xfs/libxfs/xfs_ag.c @@ -1001,6 +1001,12 @@ xfs_ag_shrink_space( error = -ENOSPC; goto resv_init_out; } + + /* Update perag geometry */ + pag->block_count -= delta; + __xfs_agino_range(pag->pag_mount, pag->block_count, &pag->agino_min, + &pag->agino_max); + xfs_ialloc_log_agi(*tpp, agibp, XFS_AGI_LENGTH); xfs_alloc_log_agf(*tpp, agfbp, XFS_AGF_LENGTH); return 0;