man/man5/spl-module-parameters.5

   1 '\" te
   2 .\"
   3 .\" Copyright 2013 Turbo Fredriksson <turbo@bayour.com>. All rights reserved.
   4 .\"
   5 .TH SPL-MODULE-PARAMETERS 5 "Nov 18, 2013"
   6 .SH NAME
   7 spl\-module\-parameters \- SPL module parameters
   8 .SH DESCRIPTION
   9 .sp
  10 .LP
  11 Description of the different parameters to the SPL module.
  12
  13 .SS "Module parameters"
  14 .sp
  15 .LP
  16
  17 .sp
  18 .ne 2
  19 .na
  20 \fBspl_debug_subsys\fR (ulong)
  21 .ad
  22 .RS 12n
  23 Subsystem debugging level mask.
  24 .sp
  25 Default value: \fB~0\fR.
  26 .RE
  27
  28 .sp
  29 .ne 2
  30 .na
  31 \fBspl_debug_mask\fR (ulong)
  32 .ad
  33 .RS 12n
  34 Debugging level mask.
  35 .sp
  36 Default value: \fB8 | 10 | 4 | 20\fR (SD_ERROR | SD_EMERG | SD_WARNING | SD_CONSOLE).
  37 .RE
  38
  39 .sp
  40 .ne 2
  41 .na
  42 \fBspl_debug_printk\fR (ulong)
  43 .ad
  44 .RS 12n
  45 Console printk level mask.
  46 .sp
  47 Default value: \fB8 | 10 | 4 | 20\fR (SD_ERROR | SD_EMERG | SD_WARNING | SD_CONSOLE).
  48 .RE
  49
  50 .sp
  51 .ne 2
  52 .na
  53 \fBspl_debug_mb\fR (int)
  54 .ad
  55 .RS 12n
  56 Total debug buffer size.
  57 .sp
  58 Default value: \fB-1\fR.
  59 .RE
  60
  61 .sp
  62 .ne 2
  63 .na
  64 \fBspl_debug_panic_on_bug\fR (int)
  65 .ad
  66 .RS 12n
  67 Panic on BUG
  68 .sp
  69 Use \fB1\fR for yes and \fB0\fR for no (default).
  70 .RE
  71
  72 .sp
  73 .ne 2
  74 .na
  75 \fBspl_kmem_cache_expire\fR (uint)
  76 .ad
  77 .RS 12n
  78 By age (0x1) or low memory (0x2)
  79 .sp
  80 Default value: \fB0\fR.
  81 .RE
  82
  83 .sp
  84 .ne 2
  85 .na
  86 \fBspl_hostid\fR (ulong)
  87 .ad
  88 .RS 12n
  89 The system hostid.
  90 .sp
  91 Default value: \fB0xFFFFFFFF\fR (an invalid hostid!)
  92 .RE
  93
  94 .sp
  95 .ne 2
  96 .na
  97 \fBspl_hostid_path\fR (charp)
  98 .ad
  99 .RS 12n
 100 The system hostid file
 101 .sp
 102 Default value: \fB/etc/hostid\fR.
 103 .RE
 104
 105 .sp
 106 .ne 2
 107 .na
 108 \fBmutex_spin_max\fR (int)
 109 .ad
 110 .RS 12n
 111 Spin a maximum of N times to acquire lock
 112 .sp
 113 .ne 2
 114 .na
 115 \fBPossible values:\fR
 116 .sp
 117 .RS 12n
 118  \fB0\fR                Never spin when trying to acquire lock
 119 .sp
 120 \fB-1\fR                Spin until acquired or holder yields without dropping lock
 121 .sp
 122 \fB1-MAX_INT\fR Spin for N attempts before sleeping for lock
 123 .RE
 124 .sp
 125 .ne -4
 126 Default value: \fB0\fR.
 127 .RE
 128
 129 .sp
 130 .ne 2
 131 .na
 132 \fBspl_taskq_thread_bind\fR (int)
 133 .ad
 134 .RS 12n
 135 Bind taskq thread to CPU
 136 .sp
 137 Default value: \fB0\fR.
 138 .RE