diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_refcount.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_refcount.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index 66c14ef5cc5a..5154c5e55122 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -883,8 +883,13 @@ xfs_refcount_still_have_space( { unsigned long overhead; - overhead = cur->bc_ag.refc.shape_changes * - xfs_allocfree_log_count(cur->bc_mp, 1); + /* + * Worst case estimate: full splits of the free space and rmap btrees + * to handle each of the shape changes to the refcount btree. + */ + overhead = xfs_allocfree_log_count(cur->bc_mp, + cur->bc_ag.refc.shape_changes); + overhead += cur->bc_mp->m_refc_maxlevels; overhead *= cur->bc_mp->m_sb.sb_blocksize; /* |