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-rw-r--r--fs/ubifs/budget.c104
-rw-r--r--fs/ubifs/commit.c2
-rw-r--r--fs/ubifs/debug.c14
-rw-r--r--fs/ubifs/dir.c4
-rw-r--r--fs/ubifs/file.c4
-rw-r--r--fs/ubifs/find.c10
-rw-r--r--fs/ubifs/master.c8
-rw-r--r--fs/ubifs/replay.c8
-rw-r--r--fs/ubifs/super.c26
-rw-r--r--fs/ubifs/tnc_commit.c10
-rw-r--r--fs/ubifs/ubifs.h75
11 files changed, 135 insertions, 130 deletions
diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c
index 8b3a7da531eb..315de66e52b2 100644
--- a/fs/ubifs/budget.c
+++ b/fs/ubifs/budget.c
@@ -106,7 +106,7 @@ static long long get_liability(struct ubifs_info *c)
106 long long liab; 106 long long liab;
107 107
108 spin_lock(&c->space_lock); 108 spin_lock(&c->space_lock);
109 liab = c->budg_idx_growth + c->budg_data_growth + c->budg_dd_growth; 109 liab = c->bi.idx_growth + c->bi.data_growth + c->bi.dd_growth;
110 spin_unlock(&c->space_lock); 110 spin_unlock(&c->space_lock);
111 return liab; 111 return liab;
112} 112}
@@ -180,7 +180,7 @@ int ubifs_calc_min_idx_lebs(struct ubifs_info *c)
180 int idx_lebs; 180 int idx_lebs;
181 long long idx_size; 181 long long idx_size;
182 182
183 idx_size = c->old_idx_sz + c->budg_idx_growth + c->budg_uncommitted_idx; 183 idx_size = c->bi.old_idx_sz + c->bi.idx_growth + c->bi.uncommitted_idx;
184 /* And make sure we have thrice the index size of space reserved */ 184 /* And make sure we have thrice the index size of space reserved */
185 idx_size += idx_size << 1; 185 idx_size += idx_size << 1;
186 /* 186 /*
@@ -292,13 +292,13 @@ static int can_use_rp(struct ubifs_info *c)
292 * budgeted index space to the size of the current index, multiplies this by 3, 292 * budgeted index space to the size of the current index, multiplies this by 3,
293 * and makes sure this does not exceed the amount of free LEBs. 293 * and makes sure this does not exceed the amount of free LEBs.
294 * 294 *
295 * Notes about @c->min_idx_lebs and @c->lst.idx_lebs variables: 295 * Notes about @c->bi.min_idx_lebs and @c->lst.idx_lebs variables:
296 * o @c->lst.idx_lebs is the number of LEBs the index currently uses. It might 296 * o @c->lst.idx_lebs is the number of LEBs the index currently uses. It might
297 * be large, because UBIFS does not do any index consolidation as long as 297 * be large, because UBIFS does not do any index consolidation as long as
298 * there is free space. IOW, the index may take a lot of LEBs, but the LEBs 298 * there is free space. IOW, the index may take a lot of LEBs, but the LEBs
299 * will contain a lot of dirt. 299 * will contain a lot of dirt.
300 * o @c->min_idx_lebs is the number of LEBS the index presumably takes. IOW, 300 * o @c->bi.min_idx_lebs is the number of LEBS the index presumably takes. IOW,
301 * the index may be consolidated to take up to @c->min_idx_lebs LEBs. 301 * the index may be consolidated to take up to @c->bi.min_idx_lebs LEBs.
302 * 302 *
303 * This function returns zero in case of success, and %-ENOSPC in case of 303 * This function returns zero in case of success, and %-ENOSPC in case of
304 * failure. 304 * failure.
@@ -343,13 +343,13 @@ static int do_budget_space(struct ubifs_info *c)
343 c->lst.taken_empty_lebs; 343 c->lst.taken_empty_lebs;
344 if (unlikely(rsvd_idx_lebs > lebs)) { 344 if (unlikely(rsvd_idx_lebs > lebs)) {
345 dbg_budg("out of indexing space: min_idx_lebs %d (old %d), " 345 dbg_budg("out of indexing space: min_idx_lebs %d (old %d), "
346 "rsvd_idx_lebs %d", min_idx_lebs, c->min_idx_lebs, 346 "rsvd_idx_lebs %d", min_idx_lebs, c->bi.min_idx_lebs,
347 rsvd_idx_lebs); 347 rsvd_idx_lebs);
348 return -ENOSPC; 348 return -ENOSPC;
349 } 349 }
350 350
351 available = ubifs_calc_available(c, min_idx_lebs); 351 available = ubifs_calc_available(c, min_idx_lebs);
352 outstanding = c->budg_data_growth + c->budg_dd_growth; 352 outstanding = c->bi.data_growth + c->bi.dd_growth;
353 353
354 if (unlikely(available < outstanding)) { 354 if (unlikely(available < outstanding)) {
355 dbg_budg("out of data space: available %lld, outstanding %lld", 355 dbg_budg("out of data space: available %lld, outstanding %lld",
@@ -360,7 +360,7 @@ static int do_budget_space(struct ubifs_info *c)
360 if (available - outstanding <= c->rp_size && !can_use_rp(c)) 360 if (available - outstanding <= c->rp_size && !can_use_rp(c))
361 return -ENOSPC; 361 return -ENOSPC;
362 362
363 c->min_idx_lebs = min_idx_lebs; 363 c->bi.min_idx_lebs = min_idx_lebs;
364 return 0; 364 return 0;
365} 365}
366 366
@@ -393,11 +393,11 @@ static int calc_data_growth(const struct ubifs_info *c,
393{ 393{
394 int data_growth; 394 int data_growth;
395 395
396 data_growth = req->new_ino ? c->inode_budget : 0; 396 data_growth = req->new_ino ? c->bi.inode_budget : 0;
397 if (req->new_page) 397 if (req->new_page)
398 data_growth += c->page_budget; 398 data_growth += c->bi.page_budget;
399 if (req->new_dent) 399 if (req->new_dent)
400 data_growth += c->dent_budget; 400 data_growth += c->bi.dent_budget;
401 data_growth += req->new_ino_d; 401 data_growth += req->new_ino_d;
402 return data_growth; 402 return data_growth;
403} 403}
@@ -413,12 +413,12 @@ static int calc_dd_growth(const struct ubifs_info *c,
413{ 413{
414 int dd_growth; 414 int dd_growth;
415 415
416 dd_growth = req->dirtied_page ? c->page_budget : 0; 416 dd_growth = req->dirtied_page ? c->bi.page_budget : 0;
417 417
418 if (req->dirtied_ino) 418 if (req->dirtied_ino)
419 dd_growth += c->inode_budget << (req->dirtied_ino - 1); 419 dd_growth += c->bi.inode_budget << (req->dirtied_ino - 1);
420 if (req->mod_dent) 420 if (req->mod_dent)
421 dd_growth += c->dent_budget; 421 dd_growth += c->bi.dent_budget;
422 dd_growth += req->dirtied_ino_d; 422 dd_growth += req->dirtied_ino_d;
423 return dd_growth; 423 return dd_growth;
424} 424}
@@ -460,19 +460,19 @@ int ubifs_budget_space(struct ubifs_info *c, struct ubifs_budget_req *req)
460 460
461again: 461again:
462 spin_lock(&c->space_lock); 462 spin_lock(&c->space_lock);
463 ubifs_assert(c->budg_idx_growth >= 0); 463 ubifs_assert(c->bi.idx_growth >= 0);
464 ubifs_assert(c->budg_data_growth >= 0); 464 ubifs_assert(c->bi.data_growth >= 0);
465 ubifs_assert(c->budg_dd_growth >= 0); 465 ubifs_assert(c->bi.dd_growth >= 0);
466 466
467 if (unlikely(c->nospace) && (c->nospace_rp || !can_use_rp(c))) { 467 if (unlikely(c->bi.nospace) && (c->bi.nospace_rp || !can_use_rp(c))) {
468 dbg_budg("no space"); 468 dbg_budg("no space");
469 spin_unlock(&c->space_lock); 469 spin_unlock(&c->space_lock);
470 return -ENOSPC; 470 return -ENOSPC;
471 } 471 }
472 472
473 c->budg_idx_growth += idx_growth; 473 c->bi.idx_growth += idx_growth;
474 c->budg_data_growth += data_growth; 474 c->bi.data_growth += data_growth;
475 c->budg_dd_growth += dd_growth; 475 c->bi.dd_growth += dd_growth;
476 476
477 err = do_budget_space(c); 477 err = do_budget_space(c);
478 if (likely(!err)) { 478 if (likely(!err)) {
@@ -484,9 +484,9 @@ again:
484 } 484 }
485 485
486 /* Restore the old values */ 486 /* Restore the old values */
487 c->budg_idx_growth -= idx_growth; 487 c->bi.idx_growth -= idx_growth;
488 c->budg_data_growth -= data_growth; 488 c->bi.data_growth -= data_growth;
489 c->budg_dd_growth -= dd_growth; 489 c->bi.dd_growth -= dd_growth;
490 spin_unlock(&c->space_lock); 490 spin_unlock(&c->space_lock);
491 491
492 if (req->fast) { 492 if (req->fast) {
@@ -506,9 +506,9 @@ again:
506 goto again; 506 goto again;
507 } 507 }
508 dbg_budg("FS is full, -ENOSPC"); 508 dbg_budg("FS is full, -ENOSPC");
509 c->nospace = 1; 509 c->bi.nospace = 1;
510 if (can_use_rp(c) || c->rp_size == 0) 510 if (can_use_rp(c) || c->rp_size == 0)
511 c->nospace_rp = 1; 511 c->bi.nospace_rp = 1;
512 smp_wmb(); 512 smp_wmb();
513 } else 513 } else
514 ubifs_err("cannot budget space, error %d", err); 514 ubifs_err("cannot budget space, error %d", err);
@@ -523,8 +523,8 @@ again:
523 * This function releases the space budgeted by 'ubifs_budget_space()'. Note, 523 * This function releases the space budgeted by 'ubifs_budget_space()'. Note,
524 * since the index changes (which were budgeted for in @req->idx_growth) will 524 * since the index changes (which were budgeted for in @req->idx_growth) will
525 * only be written to the media on commit, this function moves the index budget 525 * only be written to the media on commit, this function moves the index budget
526 * from @c->budg_idx_growth to @c->budg_uncommitted_idx. The latter will be 526 * from @c->bi.idx_growth to @c->bi.uncommitted_idx. The latter will be zeroed
527 * zeroed by the commit operation. 527 * by the commit operation.
528 */ 528 */
529void ubifs_release_budget(struct ubifs_info *c, struct ubifs_budget_req *req) 529void ubifs_release_budget(struct ubifs_info *c, struct ubifs_budget_req *req)
530{ 530{
@@ -553,23 +553,23 @@ void ubifs_release_budget(struct ubifs_info *c, struct ubifs_budget_req *req)
553 if (!req->data_growth && !req->dd_growth) 553 if (!req->data_growth && !req->dd_growth)
554 return; 554 return;
555 555
556 c->nospace = c->nospace_rp = 0; 556 c->bi.nospace = c->bi.nospace_rp = 0;
557 smp_wmb(); 557 smp_wmb();
558 558
559 spin_lock(&c->space_lock); 559 spin_lock(&c->space_lock);
560 c->budg_idx_growth -= req->idx_growth; 560 c->bi.idx_growth -= req->idx_growth;
561 c->budg_uncommitted_idx += req->idx_growth; 561 c->bi.uncommitted_idx += req->idx_growth;
562 c->budg_data_growth -= req->data_growth; 562 c->bi.data_growth -= req->data_growth;
563 c->budg_dd_growth -= req->dd_growth; 563 c->bi.dd_growth -= req->dd_growth;
564 c->min_idx_lebs = ubifs_calc_min_idx_lebs(c); 564 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
565 565
566 ubifs_assert(c->budg_idx_growth >= 0); 566 ubifs_assert(c->bi.idx_growth >= 0);
567 ubifs_assert(c->budg_data_growth >= 0); 567 ubifs_assert(c->bi.data_growth >= 0);
568 ubifs_assert(c->budg_dd_growth >= 0); 568 ubifs_assert(c->bi.dd_growth >= 0);
569 ubifs_assert(c->min_idx_lebs < c->main_lebs); 569 ubifs_assert(c->bi.min_idx_lebs < c->main_lebs);
570 ubifs_assert(!(c->budg_idx_growth & 7)); 570 ubifs_assert(!(c->bi.idx_growth & 7));
571 ubifs_assert(!(c->budg_data_growth & 7)); 571 ubifs_assert(!(c->bi.data_growth & 7));
572 ubifs_assert(!(c->budg_dd_growth & 7)); 572 ubifs_assert(!(c->bi.dd_growth & 7));
573 spin_unlock(&c->space_lock); 573 spin_unlock(&c->space_lock);
574} 574}
575 575
@@ -586,13 +586,13 @@ void ubifs_convert_page_budget(struct ubifs_info *c)
586{ 586{
587 spin_lock(&c->space_lock); 587 spin_lock(&c->space_lock);
588 /* Release the index growth reservation */ 588 /* Release the index growth reservation */
589 c->budg_idx_growth -= c->max_idx_node_sz << UBIFS_BLOCKS_PER_PAGE_SHIFT; 589 c->bi.idx_growth -= c->max_idx_node_sz << UBIFS_BLOCKS_PER_PAGE_SHIFT;
590 /* Release the data growth reservation */ 590 /* Release the data growth reservation */
591 c->budg_data_growth -= c->page_budget; 591 c->bi.data_growth -= c->bi.page_budget;
592 /* Increase the dirty data growth reservation instead */ 592 /* Increase the dirty data growth reservation instead */
593 c->budg_dd_growth += c->page_budget; 593 c->bi.dd_growth += c->bi.page_budget;
594 /* And re-calculate the indexing space reservation */ 594 /* And re-calculate the indexing space reservation */
595 c->min_idx_lebs = ubifs_calc_min_idx_lebs(c); 595 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
596 spin_unlock(&c->space_lock); 596 spin_unlock(&c->space_lock);
597} 597}
598 598
@@ -612,7 +612,7 @@ void ubifs_release_dirty_inode_budget(struct ubifs_info *c,
612 612
613 memset(&req, 0, sizeof(struct ubifs_budget_req)); 613 memset(&req, 0, sizeof(struct ubifs_budget_req));
614 /* The "no space" flags will be cleared because dd_growth is > 0 */ 614 /* The "no space" flags will be cleared because dd_growth is > 0 */
615 req.dd_growth = c->inode_budget + ALIGN(ui->data_len, 8); 615 req.dd_growth = c->bi.inode_budget + ALIGN(ui->data_len, 8);
616 ubifs_release_budget(c, &req); 616 ubifs_release_budget(c, &req);
617} 617}
618 618
@@ -682,9 +682,9 @@ long long ubifs_get_free_space_nolock(struct ubifs_info *c)
682 int rsvd_idx_lebs, lebs; 682 int rsvd_idx_lebs, lebs;
683 long long available, outstanding, free; 683 long long available, outstanding, free;
684 684
685 ubifs_assert(c->min_idx_lebs == ubifs_calc_min_idx_lebs(c)); 685 ubifs_assert(c->bi.min_idx_lebs == ubifs_calc_min_idx_lebs(c));
686 outstanding = c->budg_data_growth + c->budg_dd_growth; 686 outstanding = c->bi.data_growth + c->bi.dd_growth;
687 available = ubifs_calc_available(c, c->min_idx_lebs); 687 available = ubifs_calc_available(c, c->bi.min_idx_lebs);
688 688
689 /* 689 /*
690 * When reporting free space to user-space, UBIFS guarantees that it is 690 * When reporting free space to user-space, UBIFS guarantees that it is
@@ -697,8 +697,8 @@ long long ubifs_get_free_space_nolock(struct ubifs_info *c)
697 * Note, the calculations below are similar to what we have in 697 * Note, the calculations below are similar to what we have in
698 * 'do_budget_space()', so refer there for comments. 698 * 'do_budget_space()', so refer there for comments.
699 */ 699 */
700 if (c->min_idx_lebs > c->lst.idx_lebs) 700 if (c->bi.min_idx_lebs > c->lst.idx_lebs)
701 rsvd_idx_lebs = c->min_idx_lebs - c->lst.idx_lebs; 701 rsvd_idx_lebs = c->bi.min_idx_lebs - c->lst.idx_lebs;
702 else 702 else
703 rsvd_idx_lebs = 0; 703 rsvd_idx_lebs = 0;
704 lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt - 704 lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c
index 1bd01ded7123..87cd0ead8633 100644
--- a/fs/ubifs/commit.c
+++ b/fs/ubifs/commit.c
@@ -182,7 +182,7 @@ static int do_commit(struct ubifs_info *c)
182 c->mst_node->root_len = cpu_to_le32(zroot.len); 182 c->mst_node->root_len = cpu_to_le32(zroot.len);
183 c->mst_node->ihead_lnum = cpu_to_le32(c->ihead_lnum); 183 c->mst_node->ihead_lnum = cpu_to_le32(c->ihead_lnum);
184 c->mst_node->ihead_offs = cpu_to_le32(c->ihead_offs); 184 c->mst_node->ihead_offs = cpu_to_le32(c->ihead_offs);
185 c->mst_node->index_size = cpu_to_le64(c->old_idx_sz); 185 c->mst_node->index_size = cpu_to_le64(c->bi.old_idx_sz);
186 c->mst_node->lpt_lnum = cpu_to_le32(c->lpt_lnum); 186 c->mst_node->lpt_lnum = cpu_to_le32(c->lpt_lnum);
187 c->mst_node->lpt_offs = cpu_to_le32(c->lpt_offs); 187 c->mst_node->lpt_offs = cpu_to_le32(c->lpt_offs);
188 c->mst_node->nhead_lnum = cpu_to_le32(c->nhead_lnum); 188 c->mst_node->nhead_lnum = cpu_to_le32(c->nhead_lnum);
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index fa65b2931034..c58867cbd019 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -614,14 +614,14 @@ void dbg_dump_budg(struct ubifs_info *c)
614 spin_lock(&dbg_lock); 614 spin_lock(&dbg_lock);
615 printk(KERN_DEBUG "(pid %d) Budgeting info: budg_data_growth %lld, " 615 printk(KERN_DEBUG "(pid %d) Budgeting info: budg_data_growth %lld, "
616 "budg_dd_growth %lld, budg_idx_growth %lld\n", current->pid, 616 "budg_dd_growth %lld, budg_idx_growth %lld\n", current->pid,
617 c->budg_data_growth, c->budg_dd_growth, c->budg_idx_growth); 617 c->bi.data_growth, c->bi.dd_growth, c->bi.idx_growth);
618 printk(KERN_DEBUG "\tdata budget sum %lld, total budget sum %lld, " 618 printk(KERN_DEBUG "\tdata budget sum %lld, total budget sum %lld, "
619 "freeable_cnt %d\n", c->budg_data_growth + c->budg_dd_growth, 619 "freeable_cnt %d\n", c->bi.data_growth + c->bi.dd_growth,
620 c->budg_data_growth + c->budg_dd_growth + c->budg_idx_growth, 620 c->bi.data_growth + c->bi.dd_growth + c->bi.idx_growth,
621 c->freeable_cnt); 621 c->freeable_cnt);
622 printk(KERN_DEBUG "\tmin_idx_lebs %d, old_idx_sz %lld, " 622 printk(KERN_DEBUG "\tmin_idx_lebs %d, old_idx_sz %lld, "
623 "calc_idx_sz %lld, idx_gc_cnt %d\n", c->min_idx_lebs, 623 "calc_idx_sz %lld, idx_gc_cnt %d\n", c->bi.min_idx_lebs,
624 c->old_idx_sz, c->calc_idx_sz, c->idx_gc_cnt); 624 c->bi.old_idx_sz, c->calc_idx_sz, c->idx_gc_cnt);
625 printk(KERN_DEBUG "\tdirty_pg_cnt %ld, dirty_zn_cnt %ld, " 625 printk(KERN_DEBUG "\tdirty_pg_cnt %ld, dirty_zn_cnt %ld, "
626 "clean_zn_cnt %ld\n", atomic_long_read(&c->dirty_pg_cnt), 626 "clean_zn_cnt %ld\n", atomic_long_read(&c->dirty_pg_cnt),
627 atomic_long_read(&c->dirty_zn_cnt), 627 atomic_long_read(&c->dirty_zn_cnt),
@@ -648,8 +648,8 @@ void dbg_dump_budg(struct ubifs_info *c)
648 printk(KERN_DEBUG "\tcommit state %d\n", c->cmt_state); 648 printk(KERN_DEBUG "\tcommit state %d\n", c->cmt_state);
649 649
650 /* Print budgeting predictions */ 650 /* Print budgeting predictions */
651 available = ubifs_calc_available(c, c->min_idx_lebs); 651 available = ubifs_calc_available(c, c->bi.min_idx_lebs);
652 outstanding = c->budg_data_growth + c->budg_dd_growth; 652 outstanding = c->bi.data_growth + c->bi.dd_growth;
653 free = ubifs_get_free_space_nolock(c); 653 free = ubifs_get_free_space_nolock(c);
654 printk(KERN_DEBUG "Budgeting predictions:\n"); 654 printk(KERN_DEBUG "Budgeting predictions:\n");
655 printk(KERN_DEBUG "\tavailable: %lld, outstanding %lld, free %lld\n", 655 printk(KERN_DEBUG "\tavailable: %lld, outstanding %lld, free %lld\n",
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 7217d67a80a6..ef5abd38f0bf 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -603,7 +603,7 @@ static int ubifs_unlink(struct inode *dir, struct dentry *dentry)
603 ubifs_release_budget(c, &req); 603 ubifs_release_budget(c, &req);
604 else { 604 else {
605 /* We've deleted something - clean the "no space" flags */ 605 /* We've deleted something - clean the "no space" flags */
606 c->nospace = c->nospace_rp = 0; 606 c->bi.nospace = c->bi.nospace_rp = 0;
607 smp_wmb(); 607 smp_wmb();
608 } 608 }
609 return 0; 609 return 0;
@@ -693,7 +693,7 @@ static int ubifs_rmdir(struct inode *dir, struct dentry *dentry)
693 ubifs_release_budget(c, &req); 693 ubifs_release_budget(c, &req);
694 else { 694 else {
695 /* We've deleted something - clean the "no space" flags */ 695 /* We've deleted something - clean the "no space" flags */
696 c->nospace = c->nospace_rp = 0; 696 c->bi.nospace = c->bi.nospace_rp = 0;
697 smp_wmb(); 697 smp_wmb();
698 } 698 }
699 return 0; 699 return 0;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 3f254e37b25b..3594aae12a88 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -212,7 +212,7 @@ static void release_new_page_budget(struct ubifs_info *c)
212 */ 212 */
213static void release_existing_page_budget(struct ubifs_info *c) 213static void release_existing_page_budget(struct ubifs_info *c)
214{ 214{
215 struct ubifs_budget_req req = { .dd_growth = c->page_budget}; 215 struct ubifs_budget_req req = { .dd_growth = c->bi.page_budget};
216 216
217 ubifs_release_budget(c, &req); 217 ubifs_release_budget(c, &req);
218} 218}
@@ -1189,7 +1189,7 @@ out_budg:
1189 if (budgeted) 1189 if (budgeted)
1190 ubifs_release_budget(c, &req); 1190 ubifs_release_budget(c, &req);
1191 else { 1191 else {
1192 c->nospace = c->nospace_rp = 0; 1192 c->bi.nospace = c->bi.nospace_rp = 0;
1193 smp_wmb(); 1193 smp_wmb();
1194 } 1194 }
1195 return err; 1195 return err;
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 1d54383d1269..2559d174e004 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -252,8 +252,8 @@ int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
252 * But if the index takes fewer LEBs than it is reserved for it, 252 * But if the index takes fewer LEBs than it is reserved for it,
253 * this function must avoid picking those reserved LEBs. 253 * this function must avoid picking those reserved LEBs.
254 */ 254 */
255 if (c->min_idx_lebs >= c->lst.idx_lebs) { 255 if (c->bi.min_idx_lebs >= c->lst.idx_lebs) {
256 rsvd_idx_lebs = c->min_idx_lebs - c->lst.idx_lebs; 256 rsvd_idx_lebs = c->bi.min_idx_lebs - c->lst.idx_lebs;
257 exclude_index = 1; 257 exclude_index = 1;
258 } 258 }
259 spin_unlock(&c->space_lock); 259 spin_unlock(&c->space_lock);
@@ -276,7 +276,7 @@ int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
276 pick_free = 0; 276 pick_free = 0;
277 } else { 277 } else {
278 spin_lock(&c->space_lock); 278 spin_lock(&c->space_lock);
279 exclude_index = (c->min_idx_lebs >= c->lst.idx_lebs); 279 exclude_index = (c->bi.min_idx_lebs >= c->lst.idx_lebs);
280 spin_unlock(&c->space_lock); 280 spin_unlock(&c->space_lock);
281 } 281 }
282 282
@@ -501,8 +501,8 @@ int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *offs,
501 501
502 /* Check if there are enough empty LEBs for commit */ 502 /* Check if there are enough empty LEBs for commit */
503 spin_lock(&c->space_lock); 503 spin_lock(&c->space_lock);
504 if (c->min_idx_lebs > c->lst.idx_lebs) 504 if (c->bi.min_idx_lebs > c->lst.idx_lebs)
505 rsvd_idx_lebs = c->min_idx_lebs - c->lst.idx_lebs; 505 rsvd_idx_lebs = c->bi.min_idx_lebs - c->lst.idx_lebs;
506 else 506 else
507 rsvd_idx_lebs = 0; 507 rsvd_idx_lebs = 0;
508 lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt - 508 lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
diff --git a/fs/ubifs/master.c b/fs/ubifs/master.c
index 21f47afdacff..278c2382e8c2 100644
--- a/fs/ubifs/master.c
+++ b/fs/ubifs/master.c
@@ -148,7 +148,7 @@ static int validate_master(const struct ubifs_info *c)
148 } 148 }
149 149
150 main_sz = (long long)c->main_lebs * c->leb_size; 150 main_sz = (long long)c->main_lebs * c->leb_size;
151 if (c->old_idx_sz & 7 || c->old_idx_sz >= main_sz) { 151 if (c->bi.old_idx_sz & 7 || c->bi.old_idx_sz >= main_sz) {
152 err = 9; 152 err = 9;
153 goto out; 153 goto out;
154 } 154 }
@@ -218,7 +218,7 @@ static int validate_master(const struct ubifs_info *c)
218 } 218 }
219 219
220 if (c->lst.total_dead + c->lst.total_dark + 220 if (c->lst.total_dead + c->lst.total_dark +
221 c->lst.total_used + c->old_idx_sz > main_sz) { 221 c->lst.total_used + c->bi.old_idx_sz > main_sz) {
222 err = 21; 222 err = 21;
223 goto out; 223 goto out;
224 } 224 }
@@ -286,7 +286,7 @@ int ubifs_read_master(struct ubifs_info *c)
286 c->gc_lnum = le32_to_cpu(c->mst_node->gc_lnum); 286 c->gc_lnum = le32_to_cpu(c->mst_node->gc_lnum);
287 c->ihead_lnum = le32_to_cpu(c->mst_node->ihead_lnum); 287 c->ihead_lnum = le32_to_cpu(c->mst_node->ihead_lnum);
288 c->ihead_offs = le32_to_cpu(c->mst_node->ihead_offs); 288 c->ihead_offs = le32_to_cpu(c->mst_node->ihead_offs);
289 c->old_idx_sz = le64_to_cpu(c->mst_node->index_size); 289 c->bi.old_idx_sz = le64_to_cpu(c->mst_node->index_size);
290 c->lpt_lnum = le32_to_cpu(c->mst_node->lpt_lnum); 290 c->lpt_lnum = le32_to_cpu(c->mst_node->lpt_lnum);
291 c->lpt_offs = le32_to_cpu(c->mst_node->lpt_offs); 291 c->lpt_offs = le32_to_cpu(c->mst_node->lpt_offs);
292 c->nhead_lnum = le32_to_cpu(c->mst_node->nhead_lnum); 292 c->nhead_lnum = le32_to_cpu(c->mst_node->nhead_lnum);
@@ -305,7 +305,7 @@ int ubifs_read_master(struct ubifs_info *c)
305 c->lst.total_dead = le64_to_cpu(c->mst_node->total_dead); 305 c->lst.total_dead = le64_to_cpu(c->mst_node->total_dead);
306 c->lst.total_dark = le64_to_cpu(c->mst_node->total_dark); 306 c->lst.total_dark = le64_to_cpu(c->mst_node->total_dark);
307 307
308 c->calc_idx_sz = c->old_idx_sz; 308 c->calc_idx_sz = c->bi.old_idx_sz;
309 309
310 if (c->mst_node->flags & cpu_to_le32(UBIFS_MST_NO_ORPHS)) 310 if (c->mst_node->flags & cpu_to_le32(UBIFS_MST_NO_ORPHS))
311 c->no_orphs = 1; 311 c->no_orphs = 1;
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index d3d6d365bfc1..c29c4687cc52 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -1065,13 +1065,13 @@ int ubifs_replay_journal(struct ubifs_info *c)
1065 goto out; 1065 goto out;
1066 1066
1067 /* 1067 /*
1068 * UBIFS budgeting calculations use @c->budg_uncommitted_idx variable 1068 * UBIFS budgeting calculations use @c->bi.uncommitted_idx variable
1069 * to roughly estimate index growth. Things like @c->min_idx_lebs 1069 * to roughly estimate index growth. Things like @c->bi.min_idx_lebs
1070 * depend on it. This means we have to initialize it to make sure 1070 * depend on it. This means we have to initialize it to make sure
1071 * budgeting works properly. 1071 * budgeting works properly.
1072 */ 1072 */
1073 c->budg_uncommitted_idx = atomic_long_read(&c->dirty_zn_cnt); 1073 c->bi.uncommitted_idx = atomic_long_read(&c->dirty_zn_cnt);
1074 c->budg_uncommitted_idx *= c->max_idx_node_sz; 1074 c->bi.uncommitted_idx *= c->max_idx_node_sz;
1075 1075
1076 ubifs_assert(c->bud_bytes <= c->max_bud_bytes || c->need_recovery); 1076 ubifs_assert(c->bud_bytes <= c->max_bud_bytes || c->need_recovery);
1077 dbg_mnt("finished, log head LEB %d:%d, max_sqnum %llu, " 1077 dbg_mnt("finished, log head LEB %d:%d, max_sqnum %llu, "
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index a089cca63436..a0aa95117ea1 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -375,7 +375,7 @@ out:
375 ubifs_release_dirty_inode_budget(c, ui); 375 ubifs_release_dirty_inode_budget(c, ui);
376 else { 376 else {
377 /* We've deleted something - clean the "no space" flags */ 377 /* We've deleted something - clean the "no space" flags */
378 c->nospace = c->nospace_rp = 0; 378 c->bi.nospace = c->bi.nospace_rp = 0;
379 smp_wmb(); 379 smp_wmb();
380 } 380 }
381done: 381done:
@@ -694,11 +694,11 @@ static int init_constants_sb(struct ubifs_info *c)
694 * be compressed and direntries are of the maximum size. 694 * be compressed and direntries are of the maximum size.
695 * 695 *
696 * Note, data, which may be stored in inodes is budgeted separately, so 696 * Note, data, which may be stored in inodes is budgeted separately, so
697 * it is not included into 'c->inode_budget'. 697 * it is not included into 'c->bi.inode_budget'.
698 */ 698 */
699 c->page_budget = UBIFS_MAX_DATA_NODE_SZ * UBIFS_BLOCKS_PER_PAGE; 699 c->bi.page_budget = UBIFS_MAX_DATA_NODE_SZ * UBIFS_BLOCKS_PER_PAGE;
700 c->inode_budget = UBIFS_INO_NODE_SZ; 700 c->bi.inode_budget = UBIFS_INO_NODE_SZ;
701 c->dent_budget = UBIFS_MAX_DENT_NODE_SZ; 701 c->bi.dent_budget = UBIFS_MAX_DENT_NODE_SZ;
702 702
703 /* 703 /*
704 * When the amount of flash space used by buds becomes 704 * When the amount of flash space used by buds becomes
@@ -742,7 +742,7 @@ static void init_constants_master(struct ubifs_info *c)
742{ 742{
743 long long tmp64; 743 long long tmp64;
744 744
745 c->min_idx_lebs = ubifs_calc_min_idx_lebs(c); 745 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
746 c->report_rp_size = ubifs_reported_space(c, c->rp_size); 746 c->report_rp_size = ubifs_reported_space(c, c->rp_size);
747 747
748 /* 748 /*
@@ -1304,7 +1304,7 @@ static int mount_ubifs(struct ubifs_info *c)
1304 if (err) 1304 if (err)
1305 goto out_lpt; 1305 goto out_lpt;
1306 1306
1307 err = dbg_check_idx_size(c, c->old_idx_sz); 1307 err = dbg_check_idx_size(c, c->bi.old_idx_sz);
1308 if (err) 1308 if (err)
1309 goto out_lpt; 1309 goto out_lpt;
1310 1310
@@ -1313,7 +1313,7 @@ static int mount_ubifs(struct ubifs_info *c)
1313 goto out_journal; 1313 goto out_journal;
1314 1314
1315 /* Calculate 'min_idx_lebs' after journal replay */ 1315 /* Calculate 'min_idx_lebs' after journal replay */
1316 c->min_idx_lebs = ubifs_calc_min_idx_lebs(c); 1316 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
1317 1317
1318 err = ubifs_mount_orphans(c, c->need_recovery, c->ro_mount); 1318 err = ubifs_mount_orphans(c, c->need_recovery, c->ro_mount);
1319 if (err) 1319 if (err)
@@ -1442,7 +1442,8 @@ static int mount_ubifs(struct ubifs_info *c)
1442 c->main_lebs, c->main_first, c->leb_cnt - 1); 1442 c->main_lebs, c->main_first, c->leb_cnt - 1);
1443 dbg_msg("index LEBs: %d", c->lst.idx_lebs); 1443 dbg_msg("index LEBs: %d", c->lst.idx_lebs);
1444 dbg_msg("total index bytes: %lld (%lld KiB, %lld MiB)", 1444 dbg_msg("total index bytes: %lld (%lld KiB, %lld MiB)",
1445 c->old_idx_sz, c->old_idx_sz >> 10, c->old_idx_sz >> 20); 1445 c->bi.old_idx_sz, c->bi.old_idx_sz >> 10,
1446 c->bi.old_idx_sz >> 20);
1446 dbg_msg("key hash type: %d", c->key_hash_type); 1447 dbg_msg("key hash type: %d", c->key_hash_type);
1447 dbg_msg("tree fanout: %d", c->fanout); 1448 dbg_msg("tree fanout: %d", c->fanout);
1448 dbg_msg("reserved GC LEB: %d", c->gc_lnum); 1449 dbg_msg("reserved GC LEB: %d", c->gc_lnum);
@@ -1766,10 +1767,9 @@ static void ubifs_put_super(struct super_block *sb)
1766 * to write them back because of I/O errors. 1767 * to write them back because of I/O errors.
1767 */ 1768 */
1768 if (!c->ro_error) { 1769 if (!c->ro_error) {
1769 ubifs_assert(atomic_long_read(&c->dirty_pg_cnt) == 0); 1770 ubifs_assert(c->bi.idx_growth == 0);
1770 ubifs_assert(c->budg_idx_growth == 0); 1771 ubifs_assert(c->bi.dd_growth == 0);
1771 ubifs_assert(c->budg_dd_growth == 0); 1772 ubifs_assert(c->bi.data_growth == 0);
1772 ubifs_assert(c->budg_data_growth == 0);
1773 } 1773 }
1774 1774
1775 /* 1775 /*
diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c
index 53288e5d604e..9c376b9e74ff 100644
--- a/fs/ubifs/tnc_commit.c
+++ b/fs/ubifs/tnc_commit.c
@@ -796,16 +796,16 @@ int ubifs_tnc_start_commit(struct ubifs_info *c, struct ubifs_zbranch *zroot)
796 spin_lock(&c->space_lock); 796 spin_lock(&c->space_lock);
797 /* 797 /*
798 * Although we have not finished committing yet, update size of the 798 * Although we have not finished committing yet, update size of the
799 * committed index ('c->old_idx_sz') and zero out the index growth 799 * committed index ('c->bi.old_idx_sz') and zero out the index growth
800 * budget. It is OK to do this now, because we've reserved all the 800 * budget. It is OK to do this now, because we've reserved all the
801 * space which is needed to commit the index, and it is save for the 801 * space which is needed to commit the index, and it is save for the
802 * budgeting subsystem to assume the index is already committed, 802 * budgeting subsystem to assume the index is already committed,
803 * even though it is not. 803 * even though it is not.
804 */ 804 */
805 ubifs_assert(c->min_idx_lebs == ubifs_calc_min_idx_lebs(c)); 805 ubifs_assert(c->bi.min_idx_lebs == ubifs_calc_min_idx_lebs(c));
806 c->old_idx_sz = c->calc_idx_sz; 806 c->bi.old_idx_sz = c->calc_idx_sz;
807 c->budg_uncommitted_idx = 0; 807 c->bi.uncommitted_idx = 0;
808 c->min_idx_lebs = ubifs_calc_min_idx_lebs(c); 808 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
809 spin_unlock(&c->space_lock); 809 spin_unlock(&c->space_lock);
810 mutex_unlock(&c->tnc_mutex); 810 mutex_unlock(&c->tnc_mutex);
811 811
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index d4c07a9b8211..26a7ebe56d2e 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -937,6 +937,40 @@ struct ubifs_mount_opts {
937 unsigned int compr_type:2; 937 unsigned int compr_type:2;
938}; 938};
939 939
940/**
941 * struct ubifs_budg_info - UBIFS budgeting information.
942 * @idx_growth: amount of bytes budgeted for index growth
943 * @data_growth: amount of bytes budgeted for cached data
944 * @dd_growth: amount of bytes budgeted for cached data that will make
945 * other data dirty
946 * @uncommitted_idx: amount of bytes were budgeted for growth of the index, but
947 * which still have to be taken into account because the index
948 * has not been committed so far
949 * @old_idx_sz: size of index on flash
950 * @min_idx_lebs: minimum number of LEBs required for the index
951 * @nospace: non-zero if the file-system does not have flash space (used as
952 * optimization)
953 * @nospace_rp: the same as @nospace, but additionally means that even reserved
954 * pool is full
955 * @page_budget: budget for a page (constant, nenver changed after mount)
956 * @inode_budget: budget for an inode (constant, nenver changed after mount)
957 * @dent_budget: budget for a directory entry (constant, nenver changed after
958 * mount)
959 */
960struct ubifs_budg_info {
961 long long idx_growth;
962 long long data_growth;
963 long long dd_growth;
964 long long uncommitted_idx;
965 unsigned long long old_idx_sz;
966 int min_idx_lebs;
967 unsigned int nospace:1;
968 unsigned int nospace_rp:1;
969 int page_budget;
970 int inode_budget;
971 int dent_budget;
972};
973
940struct ubifs_debug_info; 974struct ubifs_debug_info;
941 975
942/** 976/**
@@ -1057,32 +1091,14 @@ struct ubifs_debug_info;
1057 * @dirty_zn_cnt: number of dirty znodes 1091 * @dirty_zn_cnt: number of dirty znodes
1058 * @clean_zn_cnt: number of clean znodes 1092 * @clean_zn_cnt: number of clean znodes
1059 * 1093 *
1060 * @budg_idx_growth: amount of bytes budgeted for index growth 1094 * @space_lock: protects @bi and @lst
1061 * @budg_data_growth: amount of bytes budgeted for cached data 1095 * @lst: lprops statistics
1062 * @budg_dd_growth: amount of bytes budgeted for cached data that will make 1096 * @bi: budgeting information
1063 * other data dirty
1064 * @budg_uncommitted_idx: amount of bytes were budgeted for growth of the index,
1065 * but which still have to be taken into account because
1066 * the index has not been committed so far
1067 * @space_lock: protects @budg_idx_growth, @budg_data_growth, @budg_dd_growth,
1068 * @budg_uncommited_idx, @min_idx_lebs, @old_idx_sz, @lst,
1069 * @nospace, and @nospace_rp;
1070 * @min_idx_lebs: minimum number of LEBs required for the index
1071 * @old_idx_sz: size of index on flash
1072 * @calc_idx_sz: temporary variable which is used to calculate new index size 1097 * @calc_idx_sz: temporary variable which is used to calculate new index size
1073 * (contains accurate new index size at end of TNC commit start) 1098 * (contains accurate new index size at end of TNC commit start)
1074 * @lst: lprops statistics
1075 * @nospace: non-zero if the file-system does not have flash space (used as
1076 * optimization)
1077 * @nospace_rp: the same as @nospace, but additionally means that even reserved
1078 * pool is full
1079 *
1080 * @page_budget: budget for a page
1081 * @inode_budget: budget for an inode
1082 * @dent_budget: budget for a directory entry
1083 * 1099 *
1084 * @ref_node_alsz: size of the LEB reference node aligned to the min. flash 1100 * @ref_node_alsz: size of the LEB reference node aligned to the min. flash
1085 * I/O unit 1101 * I/O unit
1086 * @mst_node_alsz: master node aligned size 1102 * @mst_node_alsz: master node aligned size
1087 * @min_idx_node_sz: minimum indexing node aligned on 8-bytes boundary 1103 * @min_idx_node_sz: minimum indexing node aligned on 8-bytes boundary
1088 * @max_idx_node_sz: maximum indexing node aligned on 8-bytes boundary 1104 * @max_idx_node_sz: maximum indexing node aligned on 8-bytes boundary
@@ -1308,21 +1324,10 @@ struct ubifs_info {
1308 atomic_long_t dirty_zn_cnt; 1324 atomic_long_t dirty_zn_cnt;
1309 atomic_long_t clean_zn_cnt; 1325 atomic_long_t clean_zn_cnt;
1310 1326
1311 long long budg_idx_growth;
1312 long long budg_data_growth;
1313 long long budg_dd_growth;
1314 long long budg_uncommitted_idx;
1315 spinlock_t space_lock; 1327 spinlock_t space_lock;
1316 int min_idx_lebs;
1317 unsigned long long old_idx_sz;
1318 unsigned long long calc_idx_sz;
1319 struct ubifs_lp_stats lst; 1328 struct ubifs_lp_stats lst;
1320 unsigned int nospace:1; 1329 struct ubifs_budg_info bi;
1321 unsigned int nospace_rp:1; 1330 unsigned long long calc_idx_sz;
1322
1323 int page_budget;
1324 int inode_budget;
1325 int dent_budget;
1326 1331
1327 int ref_node_alsz; 1332 int ref_node_alsz;
1328 int mst_node_alsz; 1333 int mst_node_alsz;