diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap_btree.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 0c96e26daca9..3d4134eab8cf 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -22,6 +22,8 @@ #include "xfs_ag.h" #include "xfs_ag_resv.h" +static kmem_zone_t *xfs_rmapbt_cur_cache; + /* * Reverse map btree. * @@ -453,7 +455,7 @@ xfs_rmapbt_init_common( /* Overlapping btree; 2 keys per pointer. */ cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_RMAP, - mp->m_rmap_maxlevels); + mp->m_rmap_maxlevels, xfs_rmapbt_cur_cache); cur->bc_flags = XFS_BTREE_CRC_BLOCKS | XFS_BTREE_OVERLAPPING; cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_rmap_2); cur->bc_ops = &xfs_rmapbt_ops; @@ -674,3 +676,22 @@ xfs_rmapbt_calc_reserves( return error; } + +int __init +xfs_rmapbt_init_cur_cache(void) +{ + xfs_rmapbt_cur_cache = kmem_cache_create("xfs_rmapbt_cur", + xfs_btree_cur_sizeof(xfs_rmapbt_maxlevels_ondisk()), + 0, 0, NULL); + + if (!xfs_rmapbt_cur_cache) + return -ENOMEM; + return 0; +} + +void +xfs_rmapbt_destroy_cur_cache(void) +{ + kmem_cache_destroy(xfs_rmapbt_cur_cache); + xfs_rmapbt_cur_cache = NULL; +} |