diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_alloc.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 2afa6bc..0290781 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -1838,6 +1838,23 @@ xfs_alloc_longest_free_extent( return pag->pagf_flcount > 0 || pag->pagf_longest > 0; } +unsigned int +xfs_alloc_min_freelist( + struct xfs_mount *mp, + struct xfs_perag *pag) +{ + unsigned int min_free; + + /* space needed by-bno freespace btree */ + min_free = min_t(unsigned int, pag->pagf_levels[XFS_BTNUM_BNOi] + 1, + mp->m_ag_maxlevels); + /* space needed by-size freespace btree */ + min_free += min_t(unsigned int, pag->pagf_levels[XFS_BTNUM_CNTi] + 1, + mp->m_ag_maxlevels); + + return min_free; +} + /* * Check if the operation we are fixing up the freelist for should go ahead or * not. If we are freeing blocks, we always allow it, otherwise the allocation @@ -1912,7 +1929,7 @@ xfs_alloc_fix_freelist( goto out_agbp_relse; } - need = XFS_MIN_FREELIST_PAG(pag, mp); + need = xfs_alloc_min_freelist(mp, pag); if (!xfs_alloc_space_available(args, need, flags)) goto out_agbp_relse; @@ -1931,9 +1948,8 @@ xfs_alloc_fix_freelist( } } - /* If there isn't enough total space or single-extent, reject it. */ - need = XFS_MIN_FREELIST_PAG(pag, mp); + need = xfs_alloc_min_freelist(mp, pag); if (!xfs_alloc_space_available(args, need, flags)) goto out_agbp_relse; |