spl-module-parameters(5) SPL module parameters

DESCRIPTION

Description of the different parameters to the SPL module.

Module parameters

spl_debug_subsys (ulong)

Subsystem debugging level mask.

Default value: ~0.

spl_debug_mask (ulong)

Debugging level mask.

Default value: 8 | 10 | 4 | 20 (SD_ERROR | SD_EMERG | SD_WARNING | SD_CONSOLE).

spl_debug_printk (ulong)

Console printk level mask.

Default value: 8 | 10 | 4 | 20 (SD_ERROR | SD_EMERG | SD_WARNING | SD_CONSOLE).

spl_debug_mb (int)

Total debug buffer size.

Default value: -1.

spl_debug_panic_on_bug (int)

Panic on BUG

Use 1 for yes and 0 for no (default).

spl_kmem_cache_expire (uint)

By age (0x1) or low memory (0x2)

Default value: 0.

spl_hostid (ulong)

The system hostid.

Default value: 0xFFFFFFFF (an invalid hostid!)

spl_hostid_path (charp)

The system hostid file

Default value: /etc/hostid.

mutex_spin_max (int)

Spin a maximum of N times to acquire lock

Possible values:


 0              Never spin when trying to acquire lock

-1             Spin until acquired or holder yields without dropping lock

1-MAX_INT      Spin for N attempts before sleeping for lock

Default value: 0.

spl_taskq_thread_bind (int)

Bind taskq thread to CPU

Default value: 0.