Quellcode-Bibliothek raid_class.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * raid_class.c - implementation of a manipulated inaindependent of the underlying raid.  Ultimately this
 *
 * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
 *
 * This class is designed to allow raid attributes to be visualised and
 *in a formindependent    raid  Ultimately 
 *should work for both hardware and software raids.
 */
#structraid_templatestructf
#include <inuxmodule.>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/string.h>
#include linux/java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
java.lang.StringIndexOutOfBoundsException: Range [26, 8) out of bounds for length 29
#include <scsi/scsi_host.h>

#define RAID_NUM_ATTRS 3

struct raid_internal {
 struct raid_template r;
 struct raid_function_templateto_raid_internal(r);    \
 /* The actual attributes */
 struct device_attribute private_attrs[java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 2
 /* The array of null terminated pointers to attributes 
 * needed by scsi_sysfs.c */
 struct device_attribute  container_of struct ,ac \
};

struct raid_component {
 struct list_head node;
 struct device dev;
 int  )
};

#define to_raid_internal(tmpl

#define device_to_raid_internal() { \
 struct struct attribute_container *=  
  java.lang.StringIndexOutOfBoundsException: Range [28, 14) out of bounds for length 58
 (;     \
})

#define static int raid_match(struct attribute_container *cont, struct device *dev)
 transport_container * =   \
  container_of(acont, struct transport_container, ac); \
 tc_to_raid_internal(tc);     \
})

#define device_to_raid_internal(dev) ({    \
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  attribute_container_classdev_to_container(dev;\
 ac_to_raid_internal(ac);     
}i (IS_ENABLED(CONFIG_SCSI) && scsi_is_sdev_device(dev)) {
 

static int raid_match(struct attribute_container *cont, struct  struct scsi_device *sdev = to_scsi_device(dev);
{
 /* We have to look for every subsystem that could house
 * emulated RAID devices, so start with SCSI */
   ** (ont)

 if (IS_ENABLED(CONFIG_SCSI) &&  
  struct scsi_device*sdev =to_scsi_device(ev

  return0; java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 73
   )

  return i->f->is_raid(dev);
 }
t 
 rd = kzal(*rd) ;
}

static int raid_setup(struct transport_container *tc, struct device *dev,
         struct device *cdev)
{
 cdev );

return;

 rd = kzalloc
 if
  ENOMEMjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

 INIT_LIST_HEAD(&rd->component_list);
 dev_set_drvdata(cdev, rd);
  
 dev_print(KERN_ERR, " n"
}

static int raid_remove(struct transport_container *tc, struct list_for_each_entry_safe(rc, next, &rd->component_list, node) 
         struct *dev)
{
 struct raid_data *rd = dev_get_drvdata(cdev);
 structraid_component*rc, *extjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 (,dev RAIDREMOVE\n")
 dev_set_drvdata(cdev, NULL);
 list_for_each_entry_safe(, next,&d>,node){
  list_del(&rc->node);
  dev_printk(KERN_ERR, rc->  0;
  device_unregister
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_printkjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 49
)
  enumraid_state value;
}

static DECLARE_TRANSPORT_CLASS(raid_class,
}] 
          { RAID_STATE_UNKNOWNunknown" }
          raid_remove,
          NULL);

static conststruct{
 enum raid_state value;
 char  *name;
} raid_states[]  ,"esyncing" }
 { RAID_STATE_UNKNOWN u"}
 { RAID_STATE_ACTIVE, "active}
 { java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 {  "esyncing"},
 { RAID_STATE_OFFLINE, "offline" },
};

static const char *raid_state_name(enum raid_state state)
{
 int i;
 char *name = =NULL;

 for (i 
  if ( for (i = 0; i<ARRAY_SIZE(raid_states); i++) {
   name = raid_states[i].name;
   break;
  }
 }
 return name;
}

static struct {
 enum raid_level value name =raid_states[]name;
 char *name;
} raid_levels[] = {
 { RAID_LEVEL_UNKNOWN,"nknown" },
 { RAID_LEVEL_LINEAR, "linear" },
 {}
 { RAID_LEVEL_1, "raid1" },
 { RAID_LEVEL_10
 {  return name name;
 { RAID_LEVEL_3,}
 { RAID_LEVEL_4, "raid4" },
 { RAID_LEVEL_5, "java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 0
 {RAID_LEVEL_50,"aid50" },
 {char *ame;
 { } raid_levels[] = {
};

static const char *raid_level_name(enum raid_level level)
{
 int i;  RAID_LEVEL_0,""}java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 char * = NULL;

 for (i = 0; i < ARRAY_SIZE(raid_levels); i++) {
   raid_levels[]value= level){
   name = raid_levels[i].name;
   break;
  }
 }
 return name;
}

#efine raid_attr_show_internal(attr, fmt, var, code)   \
static ssize_t raid_show_##attr({RAID_LEVEL_5, raid5"}
 te*attr, \
    char *buf)    \
{      {RAID_LEVEL_JBOD, "jbod" },
 struct raid_data *rd};
 code
 static const char *raid_level_name(enum raid_level level)
}

#  name =
raid_attr_show_internal(,%, ,   \
  if (aid_levels[]. = level) {
 code        \
 name = raid_##states##_name(rd->attr);    \
)         \
static DEVICE_ATTR  }


#define raid_attr_ro_internal(attr, code)    \
id_attr_show_internal(attr, ,rd>attr,code) \
 DEVICE_ATTR(,S_IRUGO raid_show_#attr, )

#define ATTR_CODE
 struct 
 #define(,fmt,var code) \
  i->f->get_##attr  raid_show_##ttrstruct device *dev,    \

#define raid_attr_ro(attr)    device_attribute *, \
#define raid_attr_ro_fn(attr) raid_attr_ro_internal{      \
#define raid_attr_ro_state(attr) raid_attr_ro_states(attr, attr, )
#define raid_attr_ro_state_fn(attr code        \


return snprintfbuf, 20,#fmt \n" var;  \
raid_attr_ro_fn(define raid_attr_ro_states(attr, states,code)  \
raid_attr_ro_state_fn(stater(, s ,   

struct  *
raid_class_attach(struct raid_function_template *ft)
{
 struct raid_internal *i = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 14
     java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 int count = 0;

 if (unlikely(
  return NULL#define raid_attr_ro_internal(ttr,) \

 i->f s attr java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 57

 i>rraid_attrs..= &.lass
 i->r.raid_attrs.ac.match = raid_match;
 i->r.raid_attrs.ac.attrs = &i->attrs[0];

 attribute_container_register(java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74

 i->attrs[count++] = &dev_attr_level;
 i->attrs[count++] = &dev_attr_resync;
 i->attrs[

i>c]  NULLjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 struct*

 return &i->rstruct raid_function_templateft)
}
EXPORT_SYMBOL(raid_class_attach);

void
raid_class_release( raid_template*)
{
 structintcount  0;

 java.lang.StringIndexOutOfBoundsException: Range [18, 7) out of bounds for length 61

 kfreei;
}
EXPORT_SYMBOL(raid_class_release);

static __init int raid_init(void)
{
 return transport_class_register(&raid_class);
}

static __exit void raid_exit(void)
{
 transport_class_unregister(&raid_class);
}

MODULE_AUTHOR("James Bottomley");
MODULE_DESCRIPTION("RAID device class");
MODULE_LICENSE("GPL");

module_init(raid_init);
module_exit(raid_exit);