Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 #include "scsi_priv.h"
 13 
 14 
 15 static ctl_table scsi_table[] = {
 16         { .ctl_name     = DEV_SCSI_LOGGING_LEVEL,
 17           .procname     = "logging_level",
 18           .data         = &scsi_logging_level,
 19           .maxlen       = sizeof(scsi_logging_level),
 20           .mode         = 0644,
 21           .proc_handler = &proc_dointvec },
 22         { }
 23 };
 24 
 25 static ctl_table scsi_dir_table[] = {
 26         { .ctl_name     = DEV_SCSI,
 27           .procname     = "scsi",
 28           .mode         = 0555,
 29           .child        = scsi_table },
 30         { }
 31 };
 32 
 33 static ctl_table scsi_root_table[] = {
 34         { .ctl_name     = CTL_DEV,
 35           .procname     = "dev",
 36           .mode         = 0555,
 37           .child        = scsi_dir_table },
 38         { }
 39 };
 40 
 41 static struct ctl_table_header *scsi_table_header;
 42 
 43 int __init scsi_init_sysctl(void)
 44 {
 45         scsi_table_header = register_sysctl_table(scsi_root_table);
 46         if (!scsi_table_header)
 47                 return -ENOMEM;
 48         return 0;
 49 }
 50 
 51 void scsi_exit_sysctl(void)
 52 {
 53         unregister_sysctl_table(scsi_table_header);
 54 }
 55 
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