diff options
Diffstat (limited to 'module/zfs')
| -rw-r--r-- | module/zfs/metaslab.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c index 52a60cc5e..ae98c5143 100644 --- a/module/zfs/metaslab.c +++ b/module/zfs/metaslab.c @@ -48,8 +48,10 @@ */ unsigned long metaslab_aliquot = 512 << 10; -/* force gang blocks */ -unsigned long metaslab_gang_bang = SPA_MAXBLOCKSIZE + 1; +/* + * For testing, make some blocks above a certain size be gang blocks. + */ +unsigned long metaslab_force_ganging = SPA_MAXBLOCKSIZE + 1; /* * The in-core space map representation is more compact than its on-disk form. @@ -2952,7 +2954,7 @@ metaslab_alloc_dva(spa_t *spa, metaslab_class_t *mc, uint64_t psize, /* * For testing, make some blocks above a certain size be gang blocks. */ - if (psize >= metaslab_gang_bang && (ddi_get_lbolt() & 3) == 0) { + if (psize >= metaslab_force_ganging && (ddi_get_lbolt() & 3) == 0) { metaslab_trace_add(zal, NULL, NULL, psize, d, TRACE_FORCE_GANG); return (SET_ERROR(ENOSPC)); } @@ -3900,7 +3902,7 @@ MODULE_PARM_DESC(zfs_metaslab_switch_threshold, "segment-based metaslab selection maximum buckets before switching"); /* CSTYLED */ -module_param(metaslab_gang_bang, ulong, 0644); -MODULE_PARM_DESC(metaslab_gang_bang, +module_param(metaslab_force_ganging, ulong, 0644); +MODULE_PARM_DESC(metaslab_force_ganging, "blocks larger than this size are forced to be gang blocks"); #endif /* _KERNEL && HAVE_SPL */ |