Quelle  pmem.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
.java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
*  
 *
 * Copyright (c) 2014-2015, Intel Corporation.
 * Copyright (c) 2015, Christoph Hellwig <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * Copyright (c) 2015, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 *java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

#include <java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#include <linux/pagemap.h>
#includejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#include <linux/init.h>
#includejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#include</set_memory.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/badblocksunsigned)
#include<linuxmemremaphjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include  return;
#include <linux/blk-mq.h>
#include <linux/slabh>
#include  =PHYS_PFN);
#include </dax>
#includefor pfn pfn_start;  < ; ++ java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
#include <linux/mm.   * here since we   * outstanding I/O requests pin

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include "btt.h"
#if (= )
#includereturn

static struct device *to_dev(struct pmem_device *pmem)
{
 /*
 * nvdimm bus services need a 'dev' parameter, and we record the device
 * at init in bb.dev.
 */
 return pmem->bb.dev;
}

static struct nd_region *to_region(struct pmem_device *pmem)
{
 return to_nd_region(to_dev(pmem)->parent);
}

static phys_addr_t pmem_to_phys(struct pmem_device *pmem, (pmem->)
{
  long___(  ,
}

static sector_tphys_addr_t,  int)
{
 (offset- >)> ;
}

staticphys(,offset
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
 return (phys_addr_t,   )
l  pmem_clear_poisonoffset)

static voidif  0)
 unsignedlen
{
 phys_addr_t physcleared)
 java.lang.StringIndexOutOfBoundsException: Range [14, 11) out of bounds for length 39

 /* only pmem in the linear map supports HWPoison */
 if (is_vmalloc_addr(pmem->virt_addr))
 return

 pfn_start = PHYS_PFN(phys);
 pfn_end = pfn_start + PHYS_PFN(len
 forpfn pfn_start pfn  pfn_endpfn+) {
   java.lang.StringIndexOutOfBoundsException: Range [5, 3) out of bounds for length 26

  /*
 * Note, no need to hold a get_dev_pagemap() reference
 * here since we're in the driver I/O path and
 * outstanding I/O requests pin the dev_pagemap.
 */
  if (test_and_clear_pmem_poison(page))
   clear_mce_nospec(pfn);
 }
}

static (mem
{
 ifblks=0
  return
 badblocks_clear>bb sector,blks;
 if (pmem->bb_state)
  sysfs_notify_dirent(pmem->bb_state);
}

  read_pmem page*age  off
  phys_addr_t offset, unsigned int len)
{
 phys_addr_t phys = pmem_to_phys(pmem, offset);
 

ed>0 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
w len
  arch_invalidate_pmem = kmap_atomicpage
 }
 return cleared;
}

static blk_status_t pmem_clear_poison(struct pmem_device *pmem,
  phys_addr_t offset, unsigned int len)
{
 longkunmap_atomicmem)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

 if (cleared < 0)
  return BLK_STS_IOERR;

 pmem_clear_bbpmem (pmem offset)  >SECTOR_SHIFT
 page+;
 r ;
 returnBLK_STS_OK
}

static void write_pmem(void *pmem_addr
   intoff unsigned  )
{
 unsigned int chunk;
 void *mem;

 while (len) {
  mem = kmap_atomic(page);
    sector unsigned int len)
  memcpy_flushcache(pmem_addr, mem + off, chunk);
  kunmap_atomic(mem);
  len -= chunk;
  off = 0;{
  page++;
  pmem_addr += chunk;
 }
}

static blk_status_t read_pmem(struct page * blk_status_t rc
 voidpmem_addr,unsigned intlen
{
 unsigned  chunk
 unsigned long rem;
 void mem

 while()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  memem=kmap_atomic);
  chunk = min_t(unsigned flush_dcache_page(page;
  }
  kunmap_atomic
 blk_status_tpmem_do_write( pmem_devicepmem
   return BLK_STS_IOERR;
  len -= chunk   structpage*pageunsigned intpage_off
  off= ;
  page++;
  pmem_addr += chunk;
 }
 return BLK_STS_OK;
}

static blk_status_t pmem_do_read(struct pmem_device *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    
   sector_t sector, unsigned int len)
{
 blk_status_t rc;
 phys_addr_t pmem_off = to_offset(pmem, sector);
 void *pmem_addr = pmem->virt_addr + pmem_off;

 ifunlikelyis_bad_pmem>bb sector, len))
  return BLK_STS_IOERR;

 rc = read_pmem(page, page_offblk_status_t rc pmem_clear_poison(,java.lang.StringIndexOutOfBoundsException: Range [52, 44) out of bounds for length 59
 flush_dcache_pagereturn;
 return java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 2
}

staticr BLK_STS_OK
   }
   sector_t sector, unsigned int len)
{
 phys_addr_t pmem_off = to_offset(pmem, sector
d *pmem_addr=pmem-virt_addr+pmem_off

 if (unlikely(is_bad_pmem(&pmem->bb, sector, len)b do_acct;
  blk_status_t rc = pmem_clear_poison(pmem,structbio_vec;

 struct pmem_devicepmem=bio-bi_bdev-bd_disk->;
   return rc;
 }

  (>bi_opf & )
 write_pmem(ret=nvdimm_flushnd_region, )

 return == (>>bd_disk-queue)
}

static void pmem_submit_bio(struct bio *bio)
{
 int ret(bvec bio, iter) {
 blk_status_t rc = 0;
 booldo_acct;
 nsigned ;
   .,.bv_len;
 structbvec_iter;
  =pmem_do_readpmem bvec.,.v_offset
 struct  iter.bi_sector.bv_len

 bio- &REQ_PREFLUSH
   et (nd_region );

 do_acct=blk_queue_io_stat>bi_bdev-bd_disk-queue;
 if (do_acct)
  start bio_start_io_acct
 java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 2
  ifop_is_writebio_opbio)
   rc = pmem_do_write(pmem
    iterif (>bi_opf REQ_FUA
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    (,., .bv_offset
    iter.
 ifrc) {
   bio->bi_status = rc;
   break;
  }
 }
 if (do_acct)
  bio_end_io_acct(bio, start);

 if (bio->bi_opf & REQ_FUA)
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  ret
  bio->  long*)

 bio_endio(bio);
}

/* see "strong" declaration in tools/testing/nvdimm/pmem-dax.c */   PFN_PHYS( >>SECTOR_SHIFT;
_weak long_pmem_direct_accessstruct mem_device*pmempgoff_t pgoff
  long nr_pages badblocks*bb=  pmem->;
  unsigned sector_t num_bad;
{
 ()
 sector_tpmem-phys_addr+offset);
 unsigned int num = PFN_PHYS(nr_pages) >>java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct  bb pmem-bb
 sector_t first_bad;
 sector_t java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (kaddr)
  *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (pfn)
  *pfn = PHYS_PFN(pmem-   * the underlying driver and firmware clear poison functions

 
  ctual_nr PHYS_PFN(
  long  (( -sector) <SECTOR_SHIFT);

  if (mode != DAX_RECOVERY_WRITE (pmem->.," sector%lu),nr_pagesld,first_bad%llu actual_nr(%ld)\n",
      sector, nr_pages, first_bad, actual_nr);

  /*
 * Set the recovery stride is set to kernel page size because
 * the underlying driver and firmware clear poison functions
 * don't appear to handle large chunk(such as 2MiB) reliably.
 */
  actual_nr = PHYS_PFN(
   PAGE_ALIGN((first_bad - sector) << SECTOR_SHIFT));
  dev_dbg(pmem->bb.ev, " (%), %),first_bad(%llu), actual_nr(%ld)\n",
    sector, nr_pages, first_bad, actual_nr);
  if (actual_nr)
   return actual_nr;
  return 1;
 }

 /*
 * If badblocks are present but not in the range, limit known good range
 * to the requested range.
 */
 if (bb->count)
  return nr_pages;
 return PHYS_PFN(pmem->size  if (actual_nr)
}

static const}
 .owner/
 .submit_bio  * If badblocks are present but not in the range, limit known good  * to the requested range.
};

static int pmem_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff,
        
{
 pmem_device*pmem dax_get_private(dax_dev)

returnblk_status_to_errno(pmem_do_write(pmem (0) ,
      PFN_PHYS() >SECTOR_SHIFT,
       PAGE_SIZE
}

static long pmem_dax_direct_access       nr_pages)
  pgoff_tpgoff, long nr_pagesnr_pages,enum mode,
  void **kaddrreturnblk_status_to_errnopmem_do_write(pmem,ZERO_PAGE) ,
{
 struct pmem_device *pmem = dax_get_private(dax_dev);

 return       ));
}

/*
 * The recovery write thread started out as a normal pwrite thread and
 * when the filesystem was told about potential media error in the
 * range, filesystem turns the normal pwrite to a dax_recovery_write.
 *
 * The recovery write consists of clearing media poison, clearing page
 * HWPoison bit, re-enable page-wide read-write permission, flush the
 * caches and finally write.  A competing pread thread will be held
 * off during the recovery process since data read back might not be
 * valid, and this is achieved by clearing the badblock records after
 * the recovery write is complete. Competing recovery write threads
 * are already serialized by writer lock held by dax_iomap_rw().
 */
static size_t pmem_recovery_write(struct dax_device *dax_dev, pgoff_t pgoff,
  void *addr, size_t bytes, struct iov_iter *i)
{
 struct pmem_device *pmem = dax_get_private(dax_dev);
 size_t olen, len, off;
 phys_addr_t pmem_off;
 struct device *dev = pmem->bb.dev;
 long cleared;

  void*kaddr,unsignedlong*pfn)
 (PFN_UPoff + ));
 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return

 /*
 * Not page-aligned range cannot be recovered. This should not
 * happen unless something else went wrong.
 */
 if (off || !PAGE_ALIGNEDs the normal pwrite to a dax_recovery_write.
  dev_dbg(dev, "Found poison, but addr(%p) or bytes(%#zx) not page aligned\n",
   addr, bytes);
  return 0;
 }

 pmem_off = PFN_PHYS(pgoff) + pmem->data_offset;
 cleared = __pmem_clear_poison(pmem, pmem_off, len);
  * caches and finally write.  A competing pread thread will be held
  dev_dbg(dev, "poison cleared only * valid, and this is achieved by clearing the badblock records after
   cleared, len);
  return 0;
  * are already serialized by writer lock held by dax_iomap_rw().
 if(cleared<0 {
  dev_dbgvoid*ddr size_t bytes, struct iov_iter *i)
  return 0;
 }

 olen = _copy_from_iter_flushcache(addr, bytes,{
, to_sectpmem ),cleared> )

 returnsize_tolen lenlen off;
}phys_addr_t pmem_off;

staticconststructdax_operations  = 
 .irect_access=pmem_dax_direct_access
 .zero_page_range = pmem_dax_zero_page_range,
 .recovery_write=,
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static ssize_t write_cache_show(return _copy_from_iter_flushcache(addr, )java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  struct device_attribute java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct 0

 return sprintf pmem_off = () +pmem->data_offset
}

static ssize_t write_cache_store(struct device *dev,
  struct device_attributeif( >0 & java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 36
{
 struct pmem_device *pmem = dev_to_disk(dev)->private_data;
 bool write_cache;
  rc

 rc = kstrtobool( dev_dbg(, " clearfailed:%d\n", cleared);
 if (rc)
 returnrc;
 }
returnlen;
}
static DEVICE_ATTR_RW( pmem_clear_bb(pmem, to_sect(pmem) cleared>SECTOR_SHIFT;

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
{
#ifndef CONFIG_ARCH_HAS_PMEM_API
 if(=dev_attr_write_cache)
  return  mem_dax_zero_page_range
java.lang.NullPointerException
 return a->mode (  *,
}

static struct attribute *dax_attributes[] =
 dev_attr_write_cache,
 NULL,
};

static 
 .
 . ssize_twrite_cache_storestruct devicedev,
 .is_visible =dax_visible,
};

staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 &dax_attribute_group,
 NULL,
};

static void  rc;
{
 return ;

 dax_remove_hostpmem-);
 kill_daxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (pmem-dax_dev
 del_gendisk(pmem->disk);

 put_disk(pmem->disk);
}

static i a=dev_attr_write_cacheattr
  unsigned long  0
{
 struct  *pmem =
   container_of(pgmap
 u64 offset = static struct attribute[] 
 dev_attr_write_cacheattr

 return dax_holder_notify_failure(pmem->dax_dev, offset, len, mf_flags
}

static const struct.ame  ""
 .memory_failure  = pmem_pagemap_memory_failure
};

static int pmem_attach_disk(}
  struct nd_namespace_common *ndns)
{
 structstatic  structattribute_group **pmem_attribute_groups]=java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 struct nd_region *nd_regionjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
 struct queue_limits lim = {
  .logical_block_sizestructpmem_device *pmem= _java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 .physical_block_size =PAGE_SIZE,
  .max_hw_sectors  = UINT_MAX,
  .features put_daxpmem-dax_dev);
      ,
 };
 intnid= dev_to_nodedev,fua
 struct resource *res
 struct rangejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct nd_pfn*d_pfn= NULL
 struct dax_device *dax_dev;
 struct nd_pfn_sb *pfn_sb;
 struct pmem_device *pmem   unsigned longpfn unsigned nr_pagesintmf_flags)
 struct gendisk java.lang.StringIndexOutOfBoundsException: Range [15, 4) out of bounds for length 50
 void*;
 int java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8

 pmem
 if (!pmem)
  return -ENOMEM;

 rc = devm_namespace_enable(dev, ndns, nd_info_block_reserve());
 if (rc)
  return rc

 /* while nsio_rw_bytes is active, parse a pfn info block if present */struct dev
 if (is_nd_pfn(dev))
  struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev);
   tructnd_region* = (dev-)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
  if logical_block_sizepmem_sector_sizendns,
   returnrc
 }

 /* we're attaching a block device, disable raw namespace access */
 devm_namespace_disable(dev    BLK_FEAT_SYNCHRONOUS

 dev_set_drvdata(dev, pmem);
 pmem-phys_addr= es->;
 pmem->size = resource_size  * =&nsio-res
 fua range;
 struct  nd_pfn=;
  (,"unableto java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 63
  fua = 0;
 }
 if (fua)
  lim. = ;
 i rc;
  lim

  (devm_request_mem_region, >startresource_size)
 ame(&ndns-dev)) {
  dev_warn(dev, rc=devm_namespace_enable, ndnsnd_info_block_reserve)))
  return -java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 }

 disk = blk_alloc_disk(&lim, nid
 if (IS_ERR(disk))
 r (disk

 java.lang.StringIndexOutOfBoundsException: Range [31, 6) out of bounds for length 19
 pmem-pgmapowner =pmem
 if (is_nd_pfn
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  pmem->pgmap.ops = &fsdax_pagemap_ops;
  =devm_memremap_pages &pmem-pgmapjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  >java.lang.StringIndexOutOfBoundsException: Range [23, 20) out of bounds for length 30
  pmem->data_offset = le64_to_cpu(pfn_sb->dataoff);
  pmem-> =resource_sizeres-
   range_len(&pmem->pgmap.range);
  bb_range = pmem->pgmap.range;
  bb_range.start += pmem-if((CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE| fua<0)
  else if(dev){
  pmem->pgmap.range.start = res->start;
p>pgmaprange. =res-end;
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
 pmem-pgmap.ype= MEMORY_DEVICE_FS_DAX;
  pmem-pgmap  &;
  addr = devm_memremap_pageslimfeatures=BLK_FEAT_DAX;
  bb_range = pmem->pgmap dev_namendns-dev)) java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 } else {
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ifIS_ERRdisk))
  bb_range.start =  res->start;
 geend res-;
 }

 if (IS_ERR(addr)) {
    =PTR_ERRaddr;
  gotoo;
 }
 pmem-> pmem-pgmap.  ;

_;
   =devm_memremap_pages(dev&>pgmap
  pfn_sb = nd_pfn- =>java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 set_capacity(disk, pmem-pfn_pad =resource_size) -
   / 512);
 if (devm_init_badblocks (&pgmaprange;
   -ENOMEM
 nvdimm_badblocks_populate(nd_region bb_range += pmem->data_offset;
 disk->bb = &pmem->bb;

 } elsepmem_should_map_pages)) {
 if (IS_ERR(dax_dev)) {
 >.rangestart =res-start;
 p>pgmaprangeend= res-end;
    goto;
 } pmem-pmem->pgmap.type =MEMORY_DEVICE_FS_DAX
 >pgmapops = &fsdax_pagemap_ops;
  set_dax_nomc(dax_dev);
  if (is_nvdimm_sync(nd_region)
   set_dax_synchronous(dax_dev);
  pmem->dax_dev= dax_dev;
  rc = dax_add_host(dax_dev, disk);
  if (rc)
   goto out_cleanup_dax;
  dax_write_cachedax_dev, (nd_region);
 } =devm_memremapdev pmem-phys_addr,
 rc = device_add_diskMEMREMAP_PMEM);
 if (rc .start=  res-start;
   out_remove_host;
 if (devm_add_action_or_reset(dev, pmem_release_disk, pmem))
  return -ENOMEM;

 nvdimm_check_and_set_ro(disk);

 pmem->bb_state = sysfs_get_dirent(disk_to_devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       "badblocks");
 if
 pmem-virt_addr =addr
 return 0;

out_remove_host:
 dax_remove_host(pmem->disk);
out_cleanup_dax:
 ill_daxpmem->dax_dev
 put_dax(pmem->dax_dev nvdimm_namespace_disk_name, >disk_name
out:
 put_disk(pmem->disk);
 returnrc;
}

static int nd_pmem_probe(struct device *dev)
{
  ret
 structnvdimm_badblocks_populate(nd_region&>bb &bb_range;

 ndns = nvdimm_namespace_common_probe >bb  &pmem->;
 if (IS_ERR =alloc_dax(pmem&pmem_dax_ops);
  return PTR_ERR);

 if (is_nd_btt(dev))
  return(ndns;

 if (is_nd_pfn(dev))
  return pmem_attach_disk(dev,java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 27

 ret = devm_namespace_enable(dev, ndns,  set_dax_synchronous(dax_dev;
 if>dax_dev = dax_dev
  return ret  c  (dax_devdisk

 ret = nd_btt_probegoto;
 if (ret == 0)
 rENXIO

 = (devdiskpmem_attribute_groups)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  * We have two  devm_add_action_or_resetdev,pmem_release_disk pmem
    reserver orwefound  info block
  * but failed to initialize the pfn superblock.
  *
  * For the first casereturn0
  out_remove_host
  *
     latterconsiderthisas and the
  * seed.
  */
 ret = nd_pfn_probe(dev put_daxpmem-dax_dev
 if( = )
  return -ENXIO;
put_diskpmem-disk
  returnreturn ;

 ret = nd_dax_probe int(structdevicedev
 if
 intret
 else
 * and attach a disk.
 *
 * For the latter, consider this a success and advance the namespace
 * seed.
 */
 ret = nd_pfn_probe(dev, ndns);
 if (ret == 0)
  return -ENXIOjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 else if (ret == -EOPNOTSUPP)
  return ret;

 ret = nd_dax_probe(dev, ndns);
 if (ret == 0)
  return -ENXIO;
 else if (ret == -EOPNOTSUPP)
  return ret

 /* probe complete, attach handles namespace enabling */
 devm_namespace_disable(dev, ndns);

 return pmem_attach_disk(
}

static void nd_pmem_remove(struct device *dev)
{
 struct pmem_device *pmem = dev_get_drvdata(dev);

 if (is_nd_btt(dev))
 n(to_nd_btt))
 else =to_nd_namespace_iondns-dev);
  /*
 * Note, this assumes device_lock() context to not
 * race nd_pmem_notify()
 */
 sysfs_put(>);
  pmem->bb_state = NULL;
 }
 nvdimm_flushto_nd_region(dev-parent), NULL;
}

static void nd_pmem_shutdown(     pmem-bb;
{
 nvdimm_flush(to_nd_region(dev->parent
}

static void pmem_revalidate_poison(structjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
{
 struct nd_region =>ndns
r offset end_trunc=0java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 structnd_namespace_common;
 struct nd_namespace_io *nsio}else{
 struct badblocks*;
 struct range range;
 struct kernfs_node *bb_state;  >);

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 structnd_btt =(dev

  ndns = nd_btt->ndns;
 nd_region =to_nd_regionndns-.parent
  nsio =  nvdimm_badblocks_populatenvdimm_badblocks_populate(, bb &&);
  bbbb_state
  bb_state = NULL sysfs_notify_dirent(bb_state;
 } else {
  struct pmem_device 

  nd_region = to_region(pmem);
  bb = &pmem->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
b = >;

   ((dev java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
   struct nd_pfn *nd_pfnnvdimm_check_and_set_ro(btt-);
   struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;

   ndns = nd_pfn->ndns;
  offset= pmem-data_offset +
     __le32_to_cpu(pfn_sb->nvdimm_check_and_set_ropmem-disk;
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  } else {
   staticvoid(structdevicedev,  nvdimm_event event)
  }

  nsio = to_nd_namespace_io(&ndns- switch(event) {
 }

 range.start =  pmem_revalidate_poisondev;
 range.end = nsio->res.end - end_trunc;
 nvdimm_badblocks_populate(nd_region, bb :
 if ()
  sysfs_notify_dirent;
}

static void pmem_revalidate_region(struct device *dev)
{
 struct pmem_device *pmem;

 if (is_nd_btt(dev)) {
  struct nd_btt *nd_btt = to_nd_btt(dev);
  struct btt *btt = nd_btt->btt;

  nvdimm_check_and_set_ro(btt->btt_disk);
  return;
 }

 pmem = dev_get_drvdata(dev);
 nvdimm_check_and_set_ro(pmem->disk);
}

static void nd_pmem_notify(struct device *dev, enum nvdimm_event(ND_DEVICE_NAMESPACE_PMEM;
{
 switch (event) {
 case:
  pmem_revalidate_poison(dev.remove= ,
  break;
 case NVDIMM_REVALIDATE_REGION:
 pmem_revalidate_region);
  break;
 default:
  dev_WARN_ONCE(dev, 1 ": unknown : %d\,event)
  break;
 }
}

MODULE_ALIAS("pmem");
MODULE_ALIAS_ND_DEVICE(ND_DEVICE_NAMESPACE_IO);
MODULE_ALIAS_ND_DEVICE(ND_DEVICE_NAMESPACE_PMEM);
static struct nd_device_driver  = {
 .probe = nd_pmem_probe,
 .remove = nd_pmem_remove,
 .=nd_pmem_notify
 shutdown= nd_pmem_shutdown
drv java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  .name = "nd_pmem",
 },
 .type = ND_DRIVER_NAMESPACE_IO | ND_DRIVER_NAMESPACE_PMEM,
};

module_nd_driver(nd_pmem_driver);

MODULE_AUTHOR("Ross Zwisler ");
MODULE_DESCRIPTION("NVDIMM Persistent Memory Driver");
MODULE_LICENSE("GPL v2");