diff options
| author | Matt Ahrens <[email protected]> | 2017-07-24 11:07:39 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-04-17 10:44:50 -0700 |
| commit | d830d4795a210b5ba85482fe26909e64857af763 (patch) | |
| tree | 421469ce7ca41ab3078290cd581fa9e8cac877a8 /module/zfs/metaslab.c | |
| parent | d68ac65eb61acfd898262709a726bbcd7f5a31f1 (diff) | |
OpenZFS 9280 - Assertion failure while running removal_with_ganging test with 4K devices
Authored by: Matt Ahrens <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: John Kennedy <[email protected]>
Reviewed-by: Giuseppe Di Natale <[email protected]>
Approved by: Garrett D'Amore <[email protected]>
Ported-by: Brian Behlendorf <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/9280
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/243952c
Closes #7445
Diffstat (limited to 'module/zfs/metaslab.c')
| -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 */ |