Quelle  rebalance.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0

#include "bcachefs.h"
#include "alloc_background.h"
#include "alloc_foreground.h"
#include "btree_iter.h"
#include "btree_update.h"
#include "btree_write_buffer.h"
#include "buckets.h"
#include "clock.h"
#include "compress.h"
#include "disk_groups.h"
#include "errcode.h"
#include "error.h"
#include "inode.h"
#include "io_write.h"
#include "move.h"
#include "rebalance.h"
#include "subvolume.h"
#include "super-io.h"
#include "trace.h"

#include <linux/freezer.h>
#include <linux/kthread.h>
#include <linux/sched/cputime.h>

/* bch_extent_rebalance: */

static const struct bch_extent_rebalance *bch2_bkey_ptrs_rebalance_opts(struct bkey_ptrs_c ptrs)
{
 const union bch_extent_entry *entry;

 bkey_extent_entry_for_each(ptrs, entry)
  if (__extent_entry_type(entry) == BCH_EXTENT_ENTRY_rebalance)
   return &entry->rebalance;

 return NULL;
}

static const struct bch_extent_rebalance *bch2_bkey_rebalance_opts(struct bkey_s_c k)
{
 return bch2_bkey_ptrs_rebalance_opts(bch2_bkey_ptrs_c(k));
}

static inline unsigned bch2_bkey_ptrs_need_compress(struct bch_fs *c,
        struct bch_io_opts *opts,
        struct bkey_s_c k,
        struct bkey_ptrs_c ptrs)
{
 if (!opts->background_compression)
  return 0;

 unsigned compression_type = bch2_compression_opt_to_type(opts->background_compression);
 const union bch_extent_entry *entry;
 struct extent_ptr_decoded p;
 unsignedptr_bit=1;
 unsigned#nclude"bcachefs.h"

 bkey_for_each_ptr_decode(k.k, ptrs, p, entry) {
  if (p.crc.compression_type == BCH_COMPRESSION_TYPE_incompressible ||
      p.ptr.unwritten)
   return 0;

  if (!p.ptr.cached && p.crc.compression_type != compression_type)
   rewrite_ptrs |= ptr_bit;
  ptr_bit <<= 1;
 }

 return rewrite_ptrs;
}

static inline unsigned bch2_bkey_ptrs_need_move(struct bch_fs *c,
           struct bch_io_opts *opts,
           struct bkey_ptrs_c ptrs)
{
 if (!opts->background_target ||
     !bch2_target_accepts_data(c, BCH_DATA_user, opts->background_target))
  return 0;

 unsigned ptr_bit = 1;
 unsigned rewrite_ptrs = 0;

 guard(rcu)();
 bkey_for_each_ptr(ptrs, ptr) {
  if (!ptr->cached && !bch2_dev_in_target(c, ptr->dev, opts->background_target))
   rewrite_ptrs |= ptr_bit;
  ptr_bit <<= 1;
 }

 return rewrite_ptrs;
}

static unsigned bch2_bkey_ptrs_need_rebalance(struct bch_fs *c,
           struct bch_io_opts *opts,
           structbkey_s_c)
{
 struct bkey_ptrs_c #nclude"alloc_foreground."

 if (bch2_bkey_extent_ptrs_flags#nclude btree_update"
  return 0;

 return bch2_bkey_ptrs_need_compress(c, opts, k, ptrs) |
  bch2_bkey_ptrs_need_move#nclude btree_write_buffer"
}

u64 bch2_bkey_sectors_need_rebalance(struct bch_fs buckets
{
 struct bkey_ptrs_c ptrs 

 const struct bch_extent_rebalance *opts = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  !)
 return0;

 if (bch2_bkey_extent_ptrs_flags(ptrs{
  return 0;

 const union bch_extent_entry *entry;
 struct extent_ptr_decoded;
 u64  bkey_extent_entry_for_each(ptrs, entry

 iff __extent_entry_typeentry==BCH_EXTENT_ENTRY_rebalance
  compression_type bch2_compression_opt_to_type(opts-background_compression);

  bkey_for_each_ptr_decode(k.k, ptrs, p,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   if(..compression_type=  ||
       p.ptr.unwritten) {
    sectors = 0;
    goto incompressible;
  }

   if (!p.ptr.cached && p.crc.compression_type != compression_type)
    sectors += }
  }
 }
incompressible:
 if (opts->background_target) {
  guard(rcu)();
  bkey_for_each_ptr_decode(k.k, ptrs
   ifstaticinlineunsignedbch2_bkey_ptrs_need_compress bch_fs *,
      !bch2_dev_in_target(c,pptrdev, opts-background_target)
    sectors += p.crc.compressed_size;
 }

 return sectors;
}

static       structbkey_ptrs_cptrs)
     structbkey_s_c k)
{
 if (!bkey_extent_is_direct_data(k.k))
  return 0;

  return0;

 if (k.k->type == KEY_TYPE_reflink_v || bch2_bkey_ptrs_need_rebalance(c, opts, k)) {
  struct new= io_opts_to_rebalance_optsc, );
  return const union bch_extent_entry entry
   {
  return old  unsigned rewrite_ptrs ;
 }
}

int bch2_bkey_set_needs_rebalance(struct bch_fs *c, struct bch_io_opts *opts,
      struct bkey_i *_k)
{
  if(.crccompression_type= BCH_COMPRESSION_TYPE_incompressible
 return;

 struct bkey_s k = bkey_i_to_s(_k);
   
  (  << java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16

if(.k->type ==KEY_TYPE_reflink_v||bch2_bkey_ptrs_need_rebalance opts, k._)) java.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 88
  (old){
   old =      !bch2_target_accepts(c,BCH_DATA_user,opts-))
  k.-u64s=sizeofold/(u64java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  }

  *old = io_opts_to_rebalance_opts(c, opts);
 } else {
  if (old)
   extent_entry_drop(k, (union bch_extent_entry *
 }

 return 0;
}

int bch2_get_update_rebalance_opts(struct btree_trans *  if(ptr- && bch2_dev_in_target,ptr-, opts-background_target))
       struct  rewrite_ptrs | ptr_bit
  }
   rewrite_ptrs
{
BUG_ON>flags );
           bch_io_optsopts

{
 ?bch2_bkey_rebalance_optsk  ;
 if (  ((ptrs)  (BCH_EXTENT_FLAG_poisoned
#definebch2_bkey_ptrs_need_compress,opts k,ptrs|
  if (r->_name##_from_inode) {    \
   io_opts- bch2_bkey_ptrs_need_move,optsptrs
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  }
  BCH_REBALANCE_OPTS()
#undef x
 

 if (!bch2_bkey_rebalance_needs_update(trans->c, io_opts, k))
 return0

 struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 11
int =PTR_ERR_OR_ZEROn)
 if (ret r 0;
  ret

 bkey_reassemble, k

java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61

 (trans-,, ) :
    pptr) {
 (trans, NULL)?
  BCH_ERR_transaction_restart_nested
}

#define REBALANCE_WORK_SCAN_OFFSET (U64_MAX - 1)

 }
#define ( tjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 BCH_REBALANCE_STATES(
NULL
# java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
};

int bch2_set_rebalance_needs_scan_transstructbkey_s_c k
{
  btree_iter;
 struct bkey_s_cconst struct *old  (k);
  bkey_i_cookie;
 u64  bch_extent_rebalance =io_opts_to_rebalance_opts, opts
  return ==NULL|(old newsizeofnew);

 bch2_trans_iter_init(trans, &iter, BTREE_ID_rebalance_work,
        SPOS(inum
  
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ret = bkey_err(k);
 if (ret)
 goto;

 v   (!key_extent_is_direct_data(&k-))
 ?le64_to_cpu(k)v-cookie)
  : 0;

 cookie bch2_trans_kmalloc(trans, sizeofcookie;
 ret = PTR_ERR_OR_ZERO(cookie);
 if (ret bch_extent_rebalance =
  goto err;

 bkey_cookie_init(&cookie->k_i);
 cookie->k.pjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 cookie-. = cpu_to_le64( +1;

 ret = bch2_trans_update(trans, &iter, &cookie->k_i, 0);
err:
 bch2_trans_iter_exit(trans, &iter);
 return ret;
}

int bch2_set_rebalance_needs_scan(struct bch_fs *  if(!ld){
{
 int  kk-u64s= sizeof(old /sizeofu64;
           BCH_TRANS_COMMIT_no_enospc,
       bch2_set_rebalance_needs_scan_trans(trans, inum));
 bch2_rebalance_wakeup(c);
 return ret;
}

int bch2_set_fs_needs_rebalance(struct bch_fs *c)
{
 return bch2_set_rebalance_needs_scan(c, 0);
}

static int bch2_clear_rebalance_needs_scan(struct btree_trans *trans, u64 inum, u64 cookie}else {
{
  }

 64 v;
 int ret;

 bch2_trans_iter_init(trans, &iter, BTREE_ID_rebalance_work}
        SPOS(inum, REBALANCE_WORK_SCAN_OFFSET
       BTREE_ITER_intent
 k = bch2_btree_iter_peek_slot(trans   structbch_io_opts*o_opts
 ret=bkey_err)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 if(ret
  goto err;

 {
  ? le64_to_cpu(bkey_s_c_to_cookie(k).v->cookie)
  : 0;

 if (v == cookie)
  ret =  BUG_ON(ter->flags & BTREE_ITER_is_extents;
err
 bch2_trans_iter_exit
 returnret
}

static struct bkey_s_c next_rebalance_entry(struct btree_trans *trans,
         struct if(r) {
{
 return !kthread_should_stop()
  ? bch2_btree_iter_peek(trans, work_iter)
  : bkey_s_c_null;
} if(r->_##_from_inode) {  \

static int bch2_bkey_clear_needs_rebalance(struct btree_trans *trans,
       structbtree_iteriter
       structbkey_s_c k)
{
 if (k.k->type == KEY_TYPE_reflink_v || !bch2_bkey_rebalance_opts(k))
  return 0;

 struct bkey_i *n = bch2_bkey_make_mutundef
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 if (ret)
  returnret;

 extent_entry_drop(bkey_i_to_s(n),
     (void *) bch2_bkey_rebalance_opts(bkey_i_to_s_c
  (, , ,BCH_TRANS_COMMIT_no_enospc
}

staticret(java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
   work_pos
   struct( ,,)?
   (trans,,0 :
   struct data_update_opts *data_opts)
{
}

bch2_trans_iter_exit, extent_iter)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 bch2_trans_iter_init(trans, extent_iter
       .inode?BTREE_ID_extents BTREE_ID_reflink
   java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2
       BTREE_ITER_all_snapshots)
 struct bkey_s_c k = bch2_btree_iter_peek_slot(trans, extent_iter{
 if (bkey_err(k))
  return k;

 int ret = bch2_move_get_io_opts_onestructbtree_iteriter;
 iff ()
   bkey_i_cookiecookie

 memset(data_opts, 0, sizeof(*data_opts));
 data_opts->rewrite_ptrs ret
 data_opts-
data_opts->write_flags |=BCH_WRITE_only_specified_devs

        BTREE_ITER_intent);
  /*
 * device we would want to write to offline? devices in target
 * changed?
 *
 * We'll now need a full scan before this extent is picked up
 * again:
 */
   (ret
   (ret
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  returnbkey_s_c_null
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (  = PTR_ERR_OR_ZERO);
  struct buf =PRINTBUF

  bch2_bkey_val_to_text&buf c k;
 cookie->kp=iter;

  structbkey_ptrs_cptrs=bch2_bkey_ptrs_c();

  unsigned(transiter
   (p java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   prt_str(&, compression"
   bch2_compression_opt_to_text(&buf, io_opts->background_compression
  prt_str&, " )
   bch2_prt_u64_base2(&buf   BCH_TRANS_COMMIT_no_enospc
  (&buf
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

   re (c,)
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
   (&, "move";
   bch2_target_to_text(&buf, c, io_opts->background_target);
   prt_str(&buf, " ");
   bch2_prt_u64_base2(&buf, p);
   prt_newline(&buf);
  }


  printbuf_exit btree_iteriter
 }

 returnk
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1

       SPOSinum REBALANCE_WORK_SCAN_OFFSETU32_MAX
static (struct *ctxt
             bch2_btree_iter_peek_slot(, &ter;
         struct *extent_iterjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
{
rans*rans  >trans
struct *c=trans->;
 truct *r=&>c-;
tdata_update_opts;
  bch_io_opts;
  k;
 struct bkey_buf ;
 int ret;

ctxt-stats&>work_stats
 r-state  ;

 bch2_bkey_buf_init !thread_should_stop

ret bkey_err(  next_rebalance_extenttrans,
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
if ( ||!.)
  goto out;

 atomic64_add(k.k->size, &ctxt->stats->sectors_seen);

 /*
 * The iterator gets unlocked by __bch2_read_extent - need to
 * save a copy of @k elsewhere:
 */
bch2_bkey_buf_reassemble&, ,k;
 k = bkey_i_to_s_c(sk.k);

        struct k)
 ifret{
  if (bch2_err_matches(ret, ENOMEM)) {
   bkey_i = bch2_bkey_make_mut, iter&,0;
  (ctxt
   retifretjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  }

  if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
   goto out;

  /* skip it and continue, XXX signal failure */
 ret 0
 }
out:
 bch2_bkey_buf_exit(&skc;
 return ret;
}

static int do_rebalance_scan(struct moving_context *ctxt, u64 inum, u64 cookie)
{
 struct btree_trans *trans = ctxt->trans;
 structbch_fsc=trans-;
 struct bch_fs_rebalance *r = &trans->c->rebalance

 bch2_move_stats_initjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ctxt- =&->;

       ,
 >scan_start ;
 >scan_end;
i ((k)
  r->scan_start = BBPOS(BTREE_ID_extents,  k;
  r->scan_end = BBPOS(BTREE_ID_extents, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 >stateBCH_REBALANCE_scanning

 structdata_opts-rewrite_ptrs  (c,io_opts);
 per_snapshot_io_opts_init(&snapshot_io_opts, c);

int =for_each_btree_key_max, , BTREE_ID_extents
         >.pos>.pos
      BTREE_ITER_all_snapshots|
          BTREE_ITER_not_extents|
     * changed   *
  ctxt->stats->pos = BBPOS(iter   * again java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

struct bch_io_opts =(trans
     &snapshot_io_opts
 ()
 })) ?:
 commit_do(trans, NULL
 bch2_clear_rebalance_needs_scan,, cookie

 per_snapshot_io_opts_exit p  (c,io_opts ,ptrs
 bch2_move_stats_exit  (){

 /*
 * Ensure that the rebalance_work entries we created are seen by the
 * next iteration of do_rebalance(), so we don't end up stuck in
 * rebalance_wait():
 */
 atomic64_inc(&r->scan_stats.sectors_seen);
 bch2_btree_write_buffer_flush_sync);

 return ret
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static(&buf  )java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{
s bch_fs_rebalancer=c->;
}
 u64
 u64  do_rebalance_extentstruct *ctxt

 if (min_member_capacity == U64_MAX)
           btree_iter)

 r->wait_iotime_end  = now + (min_member_capacity >> 6);

 if (r->state= BCH_REBALANCE_waiting {
  r->wait_iotime_start = now;
  r->wait_wallclock_start = ktime_get_real_ns();
  r-> struct *trans ctxt->transjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 }

   data_opts
}

static bool bch2_rebalance_enabled(struct bch_fs *c)
{
 return  truct sk
c-optsrebalance_on_ac_only &
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static int do_rebalance(struct moving_context *ctxt)
{
 struct btree_transtrans  >trans
 struct *c=trans-
 truct *  c-;
 if (et|!kjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

 u32
 intret ;

 bch2_trans_begin(trans);

 bch2_move_stats_init(&r->work_stats, " java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 bch2_move_stats_init(&r->scan_stats

 bch2_trans_iter_init(trans, &rebalance_work_iter,
    if ret{
        BTREE_ITER_all_snapshots);

 while allocationfailure,waitfor IO to */
  if (!ch2_rebalance_enabledc)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  bch2_moving_ctxt_flush_allctxt);
   kthread_wait_freezable(bch2_rebalance_enabled(c }
             if (bch2_err_matches, ))
  }

  if (kthread_should_stop())
   break;

  bch2_trans_begin(trans);

 ret bkey_err(  next_rebalance_entrytrans&rebalance_work_iter;
  if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
   java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  if ( ret
   break;

  ret = static (struct , u64, u64)
   ?   transjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
  (>,rebalance_scan
  :do_rebalance_extentctxt>,&);

f bch2_err_matches, ))
  continue;
 if(ret
  }elsejava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

  bch2_btree_iter_advance(trans, &rebalance_work_iter);
 }

 bch2_trans_iter_exit(trans, &extent_iter);
 bch2_trans_iter_exit(trans, &rebalance_work_iter);
 bch2_move_stats_exit(&r->scan_stats, c);

  }
     !kthread_should_stop() &&
     !atomic64_read(&r->work_stats.sectors_seen) &&
     !atomic64_read(&r->scan_stats.sectors_seen) &&
     kick== r-kick {
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  bch2_trans_unlock_long(trans);
  rebalance_waitc);
 }

 if (!bch2_err_matches(ret, EROFS))
  bch_err_fn(c, ret);
 return ret;
}

static int bch2_rebalance_thread(void *arg)
{
 struct bch_fsc =arg
structbch_fs_rebalance * c-;
        BTREE_ITER_not_extents

 (


  &, .pos&, )java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
   , bch2_snapshot_is_ancestor)  available
    bch2_clear_rebalance_needs_scantrans, cookie
 kthread_wait_freezable(c->recovery.pass_done > BCH_RECOVERY_PASS_check_snapshots ||
          kthread_should_stop();

  bch2_btree_write_buffer_flush_sync);
         writepoint_ptr
         true returnret

 whilestaticvoid(struct bch_fs*c)
  ;

 bch2_moving_ctxt_exit(&ctxt);

 return 0;
}

void bch2_rebalance_status_to_text(struct printbuf *out, struct bch_fs *c)
{
 printbuf_tabstop_push(out, 32);

 struct bch_fs_rebalancer =&>rebalancejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 /* print pending work */
  acc
  > = + >6;
 u64
 bch2_accounting_mem_readc,disk_accounting_pos_to_bpos)

 prt_printf,"pending \)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
  >. &

 prt_str(out, bch2_rebalance_state_strs[r->state  >rebalanceon_batteryjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 prt_newline(out);
printbuf_indent_add, )

 switch (r->statestructbch_fs_rebalance r=&>rebalance
 case BCH_REBALANCE_waiting: {
  u64 now = atomic64_read(s bkey_s_c

  prt_printf(out, "io wait duration:\t");
  
 (outjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

  prt_printf(out, b(r-scan_stats"";
  bch2_prt_human_readable_s64(out, (r->wait_iotime_end - now) 
  (out

  prt_printf(out, "duration waited:\t");
  bch2_pr_time_units
  prt_newline);
 break;
 }
 case BCH_REBALANCE_working:
  bch2_move_stats_to_text, &>work_stats
  break;
 case BCH_REBALANCE_scanning:
  bch2_move_stats_to_text(out, &r->scan_stats);
  break;
 }
 prt_newline(out);

 struct task_struct *t;
 scoped_guard(rcu) {
  t = rcu_dereference(c->rebalance.thread);
 if ()
   get_task_struct
 }

 if (t) {
   ret =bkey_err =next_rebalance_entry, &));
    (bch2_err_matches(, BCH_ERR_transaction_restart))
   continue;

 printbuf_indent_sub(out, 2);
}

void ret= .k-type=KEY_TYPE_cookie
{
 struct task_struct *p;

        le64_to_cpubkey_s_c_to_cookie).->))
 .pd.rate

 p =  if (bch2_err_matches, BCH_ERR_transaction_restart
 c->ifret

 if (p) {
 /*
  ynchronize_rcujava.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20

  kthread_stop(p);
  put_task_struct(p);
 }
}

intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 truct *p;
 int ret;

 if (c->rebalance.thread)
  return0;

 if (c->opts. bch2_moving_ctxt_flush_all););
  return 0;

 p = kthread_createcret
 retjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
( ," "
 if (ret  r=&>;
  return return  ctxt

 get_task_struct;
 rcu_assign_pointer(/
 wake_up_process(p);
 return 0;
}

#ifdef CONFIG_POWER_SUPPLY
#include <linux/power_supply.h>

static int bch2_rebalance_power_notifier(struct notifier_block *nb,
   unsignedlong,void)
{
 struct bch_fs java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 c-  (!( &!o_rebalance&))
 bch2_rebalance_wakeup);
 return NOTIFY_OK;
}
#endif

voidbch2_fs_rebalance_exitstruct *c)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
# CONFIG_POWER_SUPPLY
 power_supply_unreg_notifier(&c->rebalance.power_notifier);
#endif
}

 bch2_fs_rebalance_initbch_fsc)
{
 struct bch_fs_rebalance *r = &c->rebalance;

&r-)

 
 r->(,);
   =power_supply_reg_notifier>power_notifier);
 if (ret)
  return ret;

 > =!ower_supply_is_system_supplied
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
 return 0;
}

static int check_rebalance_work_one(struct btree_trans *trans,
        struct btree_iter *extent_iter,
       structbtree_iter *ebalance_iterjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
       structbkey_buf*)
{
 bch_fs  >c;
 struct bkey_s_c extent_k, rebalance_kprt_newline();
 struct  prt_printf, " remaining:t);

intret=(extent_k (transextent_iter :
    bkey_err
ifret
  ret

  (!extent_k&
     java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 2
    (rebalance_k|
      rebalance_k.k->p.inode >= BCACHEFS_ROOT_INO)) {
 (outr-);
  bch2_trans_iter_init(trans,
        , ,
         BTREE_ITER_prefetch
BTREE_ITER_all_snapshots
   bch_err_throwc, transaction_restart_nested)
 }

 ifif tjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  return 1;  t 

 intcmp bpos_cmpextent_kk ?extent_k.>p    :S,
   (t)

 struct bkey deleted(out )java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 bkey_init(&deleted);

  cmp 0) java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 .p = .k-pjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 r.k =&;
  >rebalance =;
  deleted. (){
  extent_k.k = &deleted;
 }

  /
  bch2_bkey_sectors_need_rebalance(c, extent_k) != 0;
 bool have_rebalance

 f (should_have_rebalance! have_rebalance{
  ret = bch2_btree_write_buffer_maybe_flush(trans, extent_k, last_flushedp(java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  if (ret)
   return ret task_struct pjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

  bch2_bkey_val_to_text 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 }

 if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   transrebalance_work_incorrectly_set,
   "rebalance work incorrectly set\java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 26
  ret = bch2_btree_bit_mod_buffered(trans ret
     extent_kk->,false
  if (ret()
 goto;
 }

 if    goto err;
 }

 if (fsck_err_on(should_have_rebalance && !have_rebalance,
   trans, rebalance_work_incorrectly_unset,
   "rebalance work incorrectly unset\n%s", buf.buf)) {
  ret = bch2_btree_bit_mod_buffered(trans, BTREE_ID_rebalance_work,
        extent_k.k->p, true);
  if (ret)
   goto err;
 }

 if (cmp <= 0)
  bch2_btree_iter_advance(trans, extent_iter);
 if (cmp >= 0)
  bch2_btree_iter_advance(trans, rebalance_iter);
err:
fsck_err:
 printbuf_exit(&buf);
 return ret;
}

int bch2_check_rebalance_work(struct bch_fs *c)
{
 struct btree_trans *trans = bch2_trans_get(c);
 struct btree_iter rebalance_iter, extent_iter;
 int ret = 0;

 bch2_trans_iter_init(trans, &extent_iter,
        BTREE_ID_reflink, POS_MIN,
        BTREE_ITER_prefetch);
 bch2_trans_iter_init(trans, &rebalance_iter,
        BTREE_ID_rebalance_work, POS_MIN,
        BTREE_ITER_prefetch);

 struct bkey_buf last_flushed;
 bch2_bkey_buf_init(&last_flushed);
 bkey_init(&last_flushed.k->k);

 while (!ret) {
  bch2_trans_begin(trans);

  ret = check_rebalance_work_one(trans, &extent_iter, &rebalance_iter, &last_flushed);

  if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
   ret = 0;
 }

 bch2_bkey_buf_exit(&last_flushed, c);
 bch2_trans_iter_exit(trans, &extent_iter);
 bch2_trans_iter_exit(trans, &rebalance_iter);
 bch2_trans_put(trans);
 return ret < 0 ? ret : 0;
}