drivers/scsi/scsi_sysctl.c

   1 /*
   2  * Copyright (C) 2003 Christoph Hellwig.
   3  *      Released under GPL v2.
   4  */
   5
   6 #include <linux/errno.h>
   7 #include <linux/init.h>
   8 #include <linux/kernel.h>
   9 #include <linux/sysctl.h>
  10
  11 #include "scsi_logging.h"
  12
  13
  14 static ctl_table scsi_table[] = {
  15         { .ctl_name     = DEV_SCSI_LOGGING_LEVEL,
  16           .procname     = "logging_level",
  17           .data         = &scsi_logging_level,
  18           .maxlen       = sizeof(scsi_logging_level),
  19           .mode         = 0644,
  20           .proc_handler = &proc_dointvec },
  21         { }
  22 };
  23
  24 static ctl_table scsi_dir_table[] = {
  25         { .ctl_name     = DEV_SCSI,
  26           .procname     = "scsi",
  27           .mode         = 0555,
  28           .child        = scsi_table },
  29         { }
  30 };
  31
  32 static ctl_table scsi_root_table[] = {
  33         { .ctl_name     = CTL_DEV,
  34           .procname     = "dev",
  35           .mode         = 0555,
  36           .child        = scsi_dir_table },
  37         { }
  38 };
  39
  40 static struct ctl_table_header *scsi_table_header;
  41
  42 int __init scsi_init_sysctl(void)
  43 {
  44         scsi_table_header = register_sysctl_table(scsi_root_table, 1);
  45         if (!scsi_table_header)
  46                 return -ENOMEM;
  47         return 0;
  48 }
  49
  50 void scsi_exit_sysctl(void)
  51 {
  52         unregister_sysctl_table(scsi_table_header);
  53 }