diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2019-06-14 14:18:53 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-06-14 14:18:53 -0600 |
| commit | 8afecfb0ec961e37e61b2d19c4fa71617a9482de (patch) | |
| tree | c43ea51a47b1e76b762caa4c1b0c356249e5e874 /fs/xfs/libxfs/xfs_rmap_btree.c | |
| parent | ce1a5ea18ef9bf4c62c75abe7c540a29264ec988 (diff) | |
| parent | d1fdb6d8f6a4109a4263176c84b899076a5f8008 (diff) | |
Merge tag 'v5.2-rc4' into mauro
We need to pick up post-rc1 changes to various document files so they don't
get lost in Mauro's massive RST conversion push.
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap_btree.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 5738e11055e6..5d1f8884c888 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -578,6 +578,15 @@ xfs_rmapbt_calc_reserves( tree_len = be32_to_cpu(agf->agf_rmap_blocks); xfs_trans_brelse(tp, agbp); + /* + * The log is permanently allocated, so the space it occupies will + * never be available for the kinds of things that would require btree + * expansion. We therefore can pretend the space isn't there. + */ + if (mp->m_sb.sb_logstart && + XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == agno) + agblocks -= mp->m_sb.sb_logblocks; + /* Reserve 1% of the AG or enough for 1 block per record. */ *ask += max(agblocks / 100, xfs_rmapbt_max_size(mp, agblocks)); *used += tree_len; |