Quelle  rebalance.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
   
# java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
#include " bkey_s_c k
# h
#include "btree_iter.h"
#".hjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
i".hjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
#include".h"
#include "clock.h"

#includejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#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 if(opts return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 const  p

bkey_extent_entry_for_eache)
f(_()  )
   return & unsigned =bch2_compression_opt_to_type>background_compression;

 return NULL;
}

static const struct bch_extent_rebalance *bch2_bkey_rebalance_opts(struct bkey_s_c pcrc =BCH_COMPRESSION_TYPE_incompressible
{
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

   (structc
        struct bch_io_opts *opts  bch2_dev_in_target,..dev>))
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
       ptrs
{
 if (         )
 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 unsigned compression_type bch_extent_rebalance =(opts
constunionbch_extent_entry*;
 struct extent_ptr_decoded p;
 unsigned}else
 unsigned =0

 bkey_for_each_ptr_decode(k.java.lang.StringIndexOutOfBoundsException: Range [1, 29) out of bounds for length 2
  (.. = ||
      p.ptr.unwritten)
     0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

  if (!p.ptr.cached && p.crc.java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 0
   rewrite_ptrs structbch_extent_rebalance*old=
 ptr_bit=1;
 }

 return rewrite_ptrs;
}

static inline unsigned bch2_bkey_ptrs_need_move(struct bch_fs *c,
   kk-type  |(c,opts k.c){
           struct bkey_ptrs_c ptrs)
{
 if (! if(old 
_datac,BCH_DATA_user >background_target
  return 0; k.> + (*) /sizeof);

 unsigned ptr_bit = 1;
 unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 guard(rcu)()}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (>cached!(c,>dev>background_targetjava.lang.StringIndexOutOfBoundsException: Range [80, 81) out of bounds for length 80
  rewrite_ptrs =ptr_bit;
  ptr_bit <<= 1;
 }

return;
}

static (iter- &BTREE_ITER_is_extents
   struct *,
  
{
   ():NULL

ifbch2_bkey_extent_ptrs_flags)&BIT_ULL))
  return 0;

 (c , k,) java.lang.StringIndexOutOfBoundsException: Range [56, 57) out of bounds for length 56
  (c , );
}

u64 bch2_bkey_sectors_need_rebalance(struct bch_fs *c, struct
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 const struct  ;
 if (!opts)
  return 0;

 if (bch2_bkey_extent_ptrs_flags(ptrs  ret PTR_ERR_OR_ZERO(n;
  eturn

 returnret;
 struct 
 u64(n, );

 if (
   /* On successfull transaction commit, @k was invalidated: */

  bkey_for_each_ptr_decode(k.k, ptrs, p, entry
 returnbch2_bkey_set_needs_rebalance>c,io_optsn)?
     ..unwritten{
   bch2_trans_commit, NULL, 0 :
 -;
   }

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    sectors += p.crc.
 }
 }
#definex()#,
 if (opts->background_target) {
  guard(rcu)();
  bkey_for_each_ptr_decodeBCH_REBALANCE_STATES)
  NULL
 #undef x
    sectors += p.crc.compressed_size;
 }

 return sectors;
}

static bool bch2_bkey_rebalance_needs_update(struct bch_fs *c, struct bch_io_opts *opts,
          struct bkey_s_ck)
{
 if
  returnstruct iter

 const  bch_extent_rebalanceold=bch2_bkey_rebalance_opts

 struct *cookie
 struct new (c);
  old  ||memcmp,&, (new)
 } else {
  return oldjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
 }
}

int bch2_bkey_set_needs_rebalance(struct bch_fs *c, struct bch_io_opts *opts,
        err
{
if!key_extent_is_direct_data_>k
  return  (bkey_s_c_to_cookie)>cookie

 struct =bch2_trans_kmalloctrans(*))java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 struct *old
  (struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11

 if (k.k->type == KEY_TYPE_reflink_v>vcookiecpu_to_le64( )java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
 !)
   old = bkey_val_end
  .> + *)  ()java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43


 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }
  if (old)
   extent_entry_drop
}

 u4java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

int bch2_get_update_rebalance_opts( BTREE_ITER_intent);
       *,
       struct btree_iter =(k;
       struct bkey_s_c  )
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
i )
 :

 ;
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 r 
#define x(_name)   java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  r-namefrom_inode   java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
   io_opts->_name = r->_name;   \
   io_opts->       *,
   java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 
# x
 }

 if (!bch2_bkey_rebalance_needs_update(trans->c, io_opts, k))
  return 0  retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 struct bkey_i *n = bch2_trans_kmalloc(transreturnbch2_trans_committransNULL NULL BCH_TRANS_COMMIT_no_enospc);
 int ret = PTR_ERR_OR_ZEROn);
 if (ret)
  return ret;

 bkey_reassemble(n, k);

 /* On successfull transaction commit, @k was invalidated: */

 return bch2_bkey_set_needs_rebalance(trans->c  struct bposwork_pos,
  bch2_trans_updatetrans,iter n BTREE_UPDATE_internal_snapshot_node ?:
 bch2_trans_commit, NULL, NULL ) ?java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  -BCH_ERR_transaction_restart_nested
}

# (transextent_iter;

static const char * const bch2_rebalance_state_strs[] = {
#define x(t) #t,

 NULL work_pos   :,
#undef x
};

int bch2_set_rebalance_needs_scan_trans(struct  )
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   iter
 structi ret
struct *;
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 int;

   ;

 
 k = bch2_btree_iter_peek_slot(trans,    * changed
 ret = bkey_err   *  * 
if)
 if)

 v = k.k->type ;
  }
  : 0;

 cookie
ret(cookie
 if (ret printbuf  ;
  

 bkey_cookie_init(&cookie- (&, ,)
cookie-. =.pos
 cookie-   =bch2_bkey_ptrs_ck;

 ret =
err:
 bch2_trans_iter_exit, &);
 returnif(p){
}

int bch2_set_rebalance_needs_scan(struct bch_fs *cprt_str(buf"=);
{
 int ret = prt_str(buf"";
         ,
   prt_newline);
 }
 return ret;
}

int bch2_set_fs_needs_rebalance
{
turn bch2_set_rebalance_needs_scan,0;
}

static int bch2_clear_rebalance_needs_scan(struct btree_trans *trans, u64 inum prt_strbuf"=)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
{
 struct ;
 struct}
 u64 ;
 int

 bch2_trans_iter_init(trans
 (,, ),
        BTREE_ITER_intent) intdo_rebalance_extent moving_context,
 k=bch2_btree_iter_peek_slottrans&ter);
 ret = bkey_err(k);
         btree_iterextent_iter)
  goto err;

 v = k.k->type == KEY_TYPE_cookie
  ? le64_to_cpu *rans=ctxt-;
   bch_fs  trans->;

 s bch_fs_rebalance  trans->rebalance
  ret   data_opts
errstruct io_opts
 struct bkey_s_c
 return struct bkey_buf sk
}

txt-> = r-;
      >state=BCH_REBALANCE_working
{
 return!()

    =bkey_err(k=next_rebalance_extent(, work_pos
}

static int bch2_bkey_clear_needs_rebalance(struct btree_trans f ret|kkjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
         bch2_bkey_buf_reassemble(skc )java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
       bkey_s_c)
{
 if   () java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  return 0;

truct *n = (trans, k 0;
 int ret bch2_move_ctxt_wait_for_io);
  (ret)
  return ret;

 extent_entry_drop(bkey_i_to_s(n),
     java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return
}

static struct  =0
  bch2_bkey_buf_exit, c)
   struct java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
   struct bch_io_opts *io_opts
   struct data_update_opts  *  >c
{
 struct

 bch2_trans_iter_exit(trans, extent_iter);
 bch2_trans_iter_init( >stats=&->can_stats
        
  work_pos
  r- =BBPOS_MIN
  r- = BBPOS_MAX
 f(key_err)java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  returnkjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 int ret = bch2_move_get_io_opts_one(trans, io_opts, extent_iter, k);
 if
 r- = ;

 memset
 >rewrite_ptrs =bch2_bkey_ptrs_need_rebalance , k)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 
  ret (transiter,

  r-scan_start, r-scan_end,
  /*
 * 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:
 */
  int ret = bch2_bkey_clear_needs_rebalance(trans, extent_iter, k);
  if (ret)
   return bkey_s_c_err(ret);
  return bkey_s_c_null;
 }

 if (trace_rebalance_extent_enabled()) {
  struct printbuf   *io_opts bch2_move_get_io_opts,

  bch2_bkey_val_to_text(&buf PTR_ERR_OR_ZEROio_opts;
  java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 7

  struct   (trans inum));

  unsigned =bch2_bkey_ptrs_need_compress io_opts,k );
 if(p {
   prt_str
   bch2_compression_opt_to_text  * Ensure that the rebalance_work entries we created are seen by the
   prt_str(&buf, " ");
   bch2_prt_u64_base2  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    prt_newline(trans
  }

  p}
  if (p) {
   prt_str(&buf, "move=");
   bch2_target_to_text(&buf, c, io_opts->
 _str&buf, "";
   bch2_prt_u64_base2(&buf, p);
   prt_newline(&buf);
  }

   truct * =&c->ebalance
  printbuf_exit(&buf);
 }

 return k;
}

noinline_for_stack
static intdo_rebalance_extent( moving_context,
          struct bposjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         struct *extent_iter
{ r- !)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 btree_trans =ctxt-;
 struct bch_fs *c = trans->c;
 struct bch_fs_rebalance
 structdata_update_opts;
 struct bch_io_optsjava.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 1
 struct bkey_s_c
s bkey_buf;
 int>.rebalance_on_ac_only&

 ctxt->stats = &r->work_stats;
 r-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 bch2_bkey_buf_init *trans=ctxt-;

 ret  bch_fs  >c;
  s bch_fs_rebalancer=&>rebalance
 if ( | k.)
  goto out;

 atomic64_add(k.k->size

 /*  ret =0
 * The iterator gets unlocked by __bch2_read_extent - need to
 * save a copy of @k elsewhere:
 */
 bch2_bkey_buf_reassemble(&sk, c, k);
 k = bkey_i_to_s_c(sk.k);

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if() java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  if
memory failure,  some  finish
   bch2_move_ctxt_wait_for_io !() {
   ret = bch_err_throw(c, transaction_restart_nested (ctxt
 }

(ret BCH_ERR_transaction_restart
   goto out;

  /* skip it and continue, XXX signal failure */)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  ret = 0  = bkey_errk=next_rebalance_entry(, &))java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
}
out:
 bch2_bkey_buf_exit(&sk, c);
n ;
}

static intdo_rebalance_scanstruct moving_context*ctxt inumu64 cookie
{
struct btree_trans * = ctxt->trans;
 struct bch_fs *c = trans->c;
 struct bch_fs_rebalance *r = &trans->c->rebalance;

bch2_move_stats_init&r->scan_stats "");
 ctxt->stats = &r-   do_rebalance_extent(, k.k-p extent_iter

  i((retBCH_ERR_transaction_restart)
   continue;
  r-  ()
   {
  r->scan_start = BBPOSjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 r-  =>){

 struct per_snapshot_io_opts snapshot_io_opts;
 per_snapshot_io_opts_init(java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 20

 java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 1
struct * ;
            bch_fs_rebalancer= &c->rebalance
         BTREE_ITER_not_extents|
          BTREE_ITER_prefetch
  ctxt- set_freezable);

  struct bch_io_opts
    snapshot_io_optsiterpos, &terk;
  PTR_ERR_OR_ZERO(io_opts);
 })) ?:
 commit_do(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc*completed and()is.
   bch2_clear_rebalance_needs_scan(, inum));

 per_snapshot_io_opts_exit(&snapshot_io_opts);
 bch2_move_stats_exit(&r->scan_stats, trans->c);

 /*
 * 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(
(trans

  ;
}

  rebalance_wait c
{
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 struct io_clock *clock = &c-
 struct *  c-;
 u64 min_member_capacity = bch2_min_rw_member_capacity(c);

 if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  min_member_capacity = 12 structdisk_accounting_posacc;

 r-wait_iotime_end  = now (min_member_capacity> 6)

  bch2_accounting_mem_read(c disk_accounting_pos_to_bpos(&acc), &v, 1;
  r->wait_iotime_start(out "pendingwork:\";
  r->wait_wallclock_start = ktime_get_real_ns();
  r->state  = BCH_REBALANCE_waiting;
 }

 bch2_kthread_io_clock_wait_once(clock, r->wait_iotime_end, MAX_SCHEDULE_TIMEOUT);
}

static bool bch2_rebalance_enabled(struct bch_fs *c)
{
 returnc-optsrebalance_enabled&
  !java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  c-rebalance.);
}

static int do_rebalance(struct moving_context *ctxt)
{
  (out2;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  bch_fs_rebalance *  c-rebalance;
 struct btree_iter rebalance_work_iter, java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 30
 truct k;
 u32 kick =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 int ret = 0;

  prt_newline);

 bch2_move_stats_init(&r->work_stats, "rebalance_work");
 ch2_move_stats_init&r->, "ebalance_scan)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

 bch2_trans_iter_init(trans,   prt_newline);
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        BTREE_ITER_all_snapshots);

 while(out
   break;
   java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 2
   (outr-);
     java.lang.StringIndexOutOfBoundsException: Range [0, 12) out of bounds for length 8
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

   t
   break;

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

  ret (k  (transrebalance_work_iter
ifbch2_err_matchesretBCH_ERR_transaction_restart)
 continue;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   break;

  =k> = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
   ? do_rebalance_scan
    ((k.>ookie
   : do_rebalance_extent( bch2_ratelimit_reset(&c->rebalance);

(ret ))
   continue;
   ()
   break;

  bch2_btree_iter_advance * for sychronizing with bch2_rebalance_wakeup() */s();
 }

 bch2_trans_iter_exit(trans, &extent_iter);
 java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 bch2_move_stats_exit(& java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (!ret &&
     !kthread_should_stop() &&
     s task_structp;
      intretjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
     kick == r-  return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  bch2_moving_ctxt_flush_all(ctxt
  bch2_trans_unlock_long(trans
  rebalance_wait(c);
 }

 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  bch_err_fn(, );
 return ret;
}

static int bch2_rebalance_thread(void *arg)
{
 struct bch_fs *c bch_err_msgc, ret "reatingrebalancethread);
 structbch_fs_rebalance* = c-rebalance
 oving_contextctxt;

 get_task_struct(p)

 /*
 * Data move operations can't run until after check_snapshots has
 * completed, and bch2_snapshot_is_ancestor() is available.
 */
 kthread_wait_freezable(c->recovery.pass_done > BCH_RECOVERY_PASS_check_snapshots   unsigned  event  *data
          kthread_should_stop());

 bch2_moving_ctxt_init(&ctxt, c, NULL, &r->work_stats,
         writepoint_ptr(&c->rebalance_write_point),
         true);

while!thread_should_stop)& !o_rebalance(&txt
  (c;

 bch2_moving_ctxt_exit(&ctxt

 return ( bch_fsc)
}

void bch2_rebalance_status_to_text(struct printbuf *out, struct bch_fsifdef
{
 printbuf_tabstop_push

 struct bch_fs_rebalanceint(struct  *cjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 /* print pending work */>pd;
 struct disk_accounting_pos #ifdefCONFIG_POWER_SUPPLY
 disk_accounting_key_initacc rebalance_work;
 u64intret=(&r-;
 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9

 prt_printf r-on_battery !();
 prt_human_readable_u64(out, v <<endif
 prt_printf(out, "\n\n");

 prt_str(out, bch2_rebalance_state_strs[r->state]);
 prt_newline(out);
 printbuf_indent_add(outjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 switch (r->state) {
 case BCH_REBALANCE_waiting: {
  u64 now = atomic64_read(&c-  btree_iter *ebalance_iter,

  prt_printf(out  bkey_buf last_flushed
  bch2_prt_human_readable_s64 structbch_fs *c =trans-
  prt_newline(out

  (out "iowait remaining:";
  bch2_prt_human_readable_s64(
  prt_newline(out  ret =bkey_err =bch2_btree_iter_peek, )) ?

  prt_printf(  ()
  bch2_pr_time_units( return;
  prt_newline(out
  break; if.k &
 }
 case BCH_REBALANCE_working:
  bch2_move_stats_to_text(out, &r->work_stats);
      !.k |java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 case BCH_REBALANCE_scanning:
 bch2_move_stats_to_text, &>scan_stats
  break;
 }
 prt_newline   BTREE_ID_extentsPOS_MIN

 struct      );
 scoped_guard return(c,transaction_restart_nested;
  t
  if()
   get_task_struct(t);
 }

 if(){
  bch2_prt_task_backtrace(out  = (.k  ?extent_kk-p    : POS_MAX
  put_task_struct;
 }

 printbuf_indent_sub, 2;
}

void bch2_rebalance_stop(struct bch_fs *c)
{
 struct task_struct  if( <0){

 c->rebalance.pd.rate.rate  deleted= extent_k>p;
 bch2_ratelimit_reset(&c->rebalance.pd.rate);

 p = rcu_dereference_protected  ebalance_k =deleted
c-.thread=NULL

 ifp java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 /* for sychronizing with bch2_rebalance_wakeup() */


  i should_have_rebalance =) java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
  ut_task_structp);
 }
}

int bch2_rebalance_start(struct bch_fs *c)
{
 structtask_struct*;
 int ret;

 if
  return;

 if (c->opts.nochanges)
  return

 p = kthread_create(bch2_rebalance_thread, c, "bch-rebalance/%s", c->name, rebalance_work_incorrectly_set
 ret = PTR_ERR_OR_ZERO(p);
 bch_err_msg(c, ret, "creating rebalance thread");
 if()
     .k-p );

 get_task_structp;
 rcu_assign_pointer(c-   errjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 ake_up_process);
 return 0;
}

#  transrebalance_work_incorrectly_unset
#nclude<linux.h>

static int bch2_rebalance_power_notifier(struct notifier_block *nb,
      unsigned long event, void *data)
{
 struct bch_fs *c = container_of(nb, struct      xtent_kk->,true;

 c->rebalance.  goto err;
 bch2_rebalance_wakeup(c);
 return NOTIFY_OK;
}
if

voidbch2_fs_rebalance_exit(struct bch_fs*)
{
#ifdefCONFIG_POWER_SUPPLY
 (&c-rebalance);
#endiferr:
}

int bch2_fs_rebalance_init(struct bch_fs *c)
{
 structbch_fs_rebalance *=&>rebalance

 bch2_pd_controller_init(r-);

#ifdef CONFIG_POWER_SUPPLY
 r->power_notifier bch2_check_rebalance_workstructbch_fs *)
 int
 if (ret)
  returnret;

 r->on_battery = !power_supply_is_system_supplied();
#endif
 return0;
}

static check_rebalance_work_onejava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  btree_iterextent_iterjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
   structrebalance_iter
        struct bkey_buf *last_flushed)
{
 struct bch_fs *c =   bkey_buf;
 struct bkey_s_c(&.k-k);
 struct printbuf  (!et){

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   bkey_err( =bch2_btree_iter_peektrans,rebalance_iter;
 if (ret)
  return ret;

 if (!extent_k.k &&
     extent_iter-
     (! if((ret))
        ret=0
  bch2_trans_iter_exit(trans, extent_iter);
  bch2_trans_iter_init(trans, bch2_bkey_buf_exit(&, c)
       , ,
    bch2_trans_iter_exit, &rebalance_iter)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
       );
  return bch_err_throw(c, transaction_restart_nested}
 }

 if (!extent_k.k && !rebalance_k.k)
  return 1;

 int cmp = bpos_cmp(extent_k.k  ? extent_k.k->p    : SPOS_MAX,
      rebalance_k.k ? rebalance_k.k->p : SPOS_MAX);

 struct bkey deleted;
 bkey_init(&deleted);

 if (cmp < 0) {
  deleted.p = extent_k.k->p;
  rebalance_k.k = &deleted;
 } else if (cmp > 0) {
  deleted.p = rebalance_k.k->p;
  extent_k.k = &deleted;
 }

 bool should_have_rebalance =
  bch2_bkey_sectors_need_rebalance(c, extent_k) != 0;
 bool have_rebalance = rebalance_k.k->type == KEY_TYPE_set;

 if (should_have_rebalance != have_rebalance) {
  ret = bch2_btree_write_buffer_maybe_flush(trans, extent_k, last_flushed);
  if (ret)
   return ret;

  bch2_bkey_val_to_text(&buf, c, extent_k);
 }

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