Lines Matching refs:e4b
428 static void *mb_find_buddy(struct ext4_buddy *e4b, int order, int *max) in mb_find_buddy() argument
432 BUG_ON(e4b->bd_bitmap == e4b->bd_buddy); in mb_find_buddy()
435 if (order > e4b->bd_blkbits + 1) { in mb_find_buddy()
442 *max = 1 << (e4b->bd_blkbits + 3); in mb_find_buddy()
443 return e4b->bd_bitmap; in mb_find_buddy()
446 bb = e4b->bd_buddy + EXT4_SB(e4b->bd_sb)->s_mb_offsets[order]; in mb_find_buddy()
447 *max = EXT4_SB(e4b->bd_sb)->s_mb_maxs[order]; in mb_find_buddy()
453 static void mb_free_blocks_double(struct inode *inode, struct ext4_buddy *e4b, in mb_free_blocks_double() argument
457 struct super_block *sb = e4b->bd_sb; in mb_free_blocks_double()
459 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_free_blocks_double()
461 assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); in mb_free_blocks_double()
463 if (!mb_test_bit(first + i, e4b->bd_info->bb_bitmap)) { in mb_free_blocks_double()
466 blocknr = ext4_group_first_block_no(sb, e4b->bd_group); in mb_free_blocks_double()
468 ext4_grp_locked_error(sb, e4b->bd_group, in mb_free_blocks_double()
474 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in mb_free_blocks_double()
477 mb_clear_bit(first + i, e4b->bd_info->bb_bitmap); in mb_free_blocks_double()
481 static void mb_mark_used_double(struct ext4_buddy *e4b, int first, int count) in mb_mark_used_double() argument
485 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_mark_used_double()
487 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_mark_used_double()
489 BUG_ON(mb_test_bit(first + i, e4b->bd_info->bb_bitmap)); in mb_mark_used_double()
490 mb_set_bit(first + i, e4b->bd_info->bb_bitmap); in mb_mark_used_double()
494 static void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap) in mb_cmp_bitmaps() argument
496 if (memcmp(e4b->bd_info->bb_bitmap, bitmap, e4b->bd_sb->s_blocksize)) { in mb_cmp_bitmaps()
499 b1 = (unsigned char *) e4b->bd_info->bb_bitmap; in mb_cmp_bitmaps()
501 for (i = 0; i < e4b->bd_sb->s_blocksize; i++) { in mb_cmp_bitmaps()
503 ext4_msg(e4b->bd_sb, KERN_ERR, in mb_cmp_bitmaps()
507 e4b->bd_group, i, i * 8, b1[i], b2[i]); in mb_cmp_bitmaps()
516 struct ext4_buddy *e4b, int first, int count) in mb_free_blocks_double() argument
520 static inline void mb_mark_used_double(struct ext4_buddy *e4b, in mb_mark_used_double() argument
525 static inline void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap) in mb_cmp_bitmaps() argument
543 static int __mb_check_buddy(struct ext4_buddy *e4b, char *file, in __mb_check_buddy() argument
546 struct super_block *sb = e4b->bd_sb; in __mb_check_buddy()
547 int order = e4b->bd_blkbits + 1; in __mb_check_buddy()
568 buddy = mb_find_buddy(e4b, order, &max); in __mb_check_buddy()
570 buddy2 = mb_find_buddy(e4b, order - 1, &max2); in __mb_check_buddy()
597 !mb_test_bit(k, e4b->bd_bitmap)); in __mb_check_buddy()
601 MB_CHECK_ASSERT(e4b->bd_info->bb_counters[order] == count); in __mb_check_buddy()
606 buddy = mb_find_buddy(e4b, 0, &max); in __mb_check_buddy()
609 MB_CHECK_ASSERT(i >= e4b->bd_info->bb_first_free); in __mb_check_buddy()
618 for (j = 0; j < e4b->bd_blkbits + 1; j++) { in __mb_check_buddy()
619 buddy2 = mb_find_buddy(e4b, j, &max2); in __mb_check_buddy()
625 MB_CHECK_ASSERT(!EXT4_MB_GRP_NEED_INIT(e4b->bd_info)); in __mb_check_buddy()
626 MB_CHECK_ASSERT(e4b->bd_info->bb_fragments == fragments); in __mb_check_buddy()
628 grp = ext4_get_group_info(sb, e4b->bd_group); in __mb_check_buddy()
634 MB_CHECK_ASSERT(groupnr == e4b->bd_group); in __mb_check_buddy()
641 #define mb_check_buddy(e4b) __mb_check_buddy(e4b, \ argument
644 #define mb_check_buddy(e4b) argument
767 static void mb_regenerate_buddy(struct ext4_buddy *e4b) in mb_regenerate_buddy() argument
773 while ((buddy = mb_find_buddy(e4b, order++, &count))) { in mb_regenerate_buddy()
776 e4b->bd_info->bb_fragments = 0; in mb_regenerate_buddy()
777 memset(e4b->bd_info->bb_counters, 0, in mb_regenerate_buddy()
778 sizeof(*e4b->bd_info->bb_counters) * in mb_regenerate_buddy()
779 (e4b->bd_sb->s_blocksize_bits + 2)); in mb_regenerate_buddy()
781 ext4_mb_generate_buddy(e4b->bd_sb, e4b->bd_buddy, in mb_regenerate_buddy()
782 e4b->bd_bitmap, e4b->bd_group); in mb_regenerate_buddy()
973 ext4_group_t group, struct ext4_buddy *e4b, gfp_t gfp) in ext4_mb_get_buddy_page_lock() argument
980 e4b->bd_buddy_page = NULL; in ext4_mb_get_buddy_page_lock()
981 e4b->bd_bitmap_page = NULL; in ext4_mb_get_buddy_page_lock()
996 e4b->bd_bitmap_page = page; in ext4_mb_get_buddy_page_lock()
997 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_get_buddy_page_lock()
1010 e4b->bd_buddy_page = page; in ext4_mb_get_buddy_page_lock()
1014 static void ext4_mb_put_buddy_page_lock(struct ext4_buddy *e4b) in ext4_mb_put_buddy_page_lock() argument
1016 if (e4b->bd_bitmap_page) { in ext4_mb_put_buddy_page_lock()
1017 unlock_page(e4b->bd_bitmap_page); in ext4_mb_put_buddy_page_lock()
1018 put_page(e4b->bd_bitmap_page); in ext4_mb_put_buddy_page_lock()
1020 if (e4b->bd_buddy_page) { in ext4_mb_put_buddy_page_lock()
1021 unlock_page(e4b->bd_buddy_page); in ext4_mb_put_buddy_page_lock()
1022 put_page(e4b->bd_buddy_page); in ext4_mb_put_buddy_page_lock()
1036 struct ext4_buddy e4b; in ext4_mb_init_group() local
1052 ret = ext4_mb_get_buddy_page_lock(sb, group, &e4b, gfp); in ext4_mb_init_group()
1061 page = e4b.bd_bitmap_page; in ext4_mb_init_group()
1070 if (e4b.bd_buddy_page == NULL) { in ext4_mb_init_group()
1080 page = e4b.bd_buddy_page; in ext4_mb_init_group()
1081 ret = ext4_mb_init_cache(page, e4b.bd_bitmap, gfp); in ext4_mb_init_group()
1089 ext4_mb_put_buddy_page_lock(&e4b); in ext4_mb_init_group()
1100 struct ext4_buddy *e4b, gfp_t gfp) in ext4_mb_load_buddy_gfp() argument
1118 e4b->bd_blkbits = sb->s_blocksize_bits; in ext4_mb_load_buddy_gfp()
1119 e4b->bd_info = grp; in ext4_mb_load_buddy_gfp()
1120 e4b->bd_sb = sb; in ext4_mb_load_buddy_gfp()
1121 e4b->bd_group = group; in ext4_mb_load_buddy_gfp()
1122 e4b->bd_buddy_page = NULL; in ext4_mb_load_buddy_gfp()
1123 e4b->bd_bitmap_page = NULL; in ext4_mb_load_buddy_gfp()
1167 mb_cmp_bitmaps(e4b, page_address(page) + in ext4_mb_load_buddy_gfp()
1183 e4b->bd_bitmap_page = page; in ext4_mb_load_buddy_gfp()
1184 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_load_buddy_gfp()
1198 ret = ext4_mb_init_cache(page, e4b->bd_bitmap, in ext4_mb_load_buddy_gfp()
1218 e4b->bd_buddy_page = page; in ext4_mb_load_buddy_gfp()
1219 e4b->bd_buddy = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_load_buddy_gfp()
1221 BUG_ON(e4b->bd_bitmap_page == NULL); in ext4_mb_load_buddy_gfp()
1222 BUG_ON(e4b->bd_buddy_page == NULL); in ext4_mb_load_buddy_gfp()
1229 if (e4b->bd_bitmap_page) in ext4_mb_load_buddy_gfp()
1230 put_page(e4b->bd_bitmap_page); in ext4_mb_load_buddy_gfp()
1231 if (e4b->bd_buddy_page) in ext4_mb_load_buddy_gfp()
1232 put_page(e4b->bd_buddy_page); in ext4_mb_load_buddy_gfp()
1233 e4b->bd_buddy = NULL; in ext4_mb_load_buddy_gfp()
1234 e4b->bd_bitmap = NULL; in ext4_mb_load_buddy_gfp()
1239 struct ext4_buddy *e4b) in ext4_mb_load_buddy() argument
1241 return ext4_mb_load_buddy_gfp(sb, group, e4b, GFP_NOFS); in ext4_mb_load_buddy()
1244 static void ext4_mb_unload_buddy(struct ext4_buddy *e4b) in ext4_mb_unload_buddy() argument
1246 if (e4b->bd_bitmap_page) in ext4_mb_unload_buddy()
1247 put_page(e4b->bd_bitmap_page); in ext4_mb_unload_buddy()
1248 if (e4b->bd_buddy_page) in ext4_mb_unload_buddy()
1249 put_page(e4b->bd_buddy_page); in ext4_mb_unload_buddy()
1253 static int mb_find_order_for_block(struct ext4_buddy *e4b, int block) in mb_find_order_for_block() argument
1256 int bb_incr = 1 << (e4b->bd_blkbits - 1); in mb_find_order_for_block()
1259 BUG_ON(e4b->bd_bitmap == e4b->bd_buddy); in mb_find_order_for_block()
1260 BUG_ON(block >= (1 << (e4b->bd_blkbits + 3))); in mb_find_order_for_block()
1262 bb = e4b->bd_buddy; in mb_find_order_for_block()
1263 while (order <= e4b->bd_blkbits + 1) { in mb_find_order_for_block()
1356 static void mb_buddy_mark_free(struct ext4_buddy *e4b, int first, int last) in mb_buddy_mark_free() argument
1360 void *buddy = mb_find_buddy(e4b, order, &max); in mb_buddy_mark_free()
1395 e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&first, buddy, -1); in mb_buddy_mark_free()
1397 e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&last, buddy, 1); in mb_buddy_mark_free()
1402 if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) { in mb_buddy_mark_free()
1404 e4b->bd_info->bb_counters[order - 1] += last - first + 1; in mb_buddy_mark_free()
1413 static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b, in mb_free_blocks() argument
1420 struct super_block *sb = e4b->bd_sb; in mb_free_blocks()
1425 assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); in mb_free_blocks()
1427 if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) in mb_free_blocks()
1430 mb_check_buddy(e4b); in mb_free_blocks()
1431 mb_free_blocks_double(inode, e4b, first, count); in mb_free_blocks()
1433 e4b->bd_info->bb_free += count; in mb_free_blocks()
1434 if (first < e4b->bd_info->bb_first_free) in mb_free_blocks()
1435 e4b->bd_info->bb_first_free = first; in mb_free_blocks()
1441 left_is_free = !mb_test_bit(first - 1, e4b->bd_bitmap); in mb_free_blocks()
1442 block = mb_test_and_clear_bits(e4b->bd_bitmap, first, count); in mb_free_blocks()
1444 right_is_free = !mb_test_bit(last + 1, e4b->bd_bitmap); in mb_free_blocks()
1450 blocknr = ext4_group_first_block_no(sb, e4b->bd_group); in mb_free_blocks()
1452 ext4_grp_locked_error(sb, e4b->bd_group, in mb_free_blocks()
1458 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in mb_free_blocks()
1460 mb_regenerate_buddy(e4b); in mb_free_blocks()
1466 e4b->bd_info->bb_fragments--; in mb_free_blocks()
1468 e4b->bd_info->bb_fragments++; in mb_free_blocks()
1478 e4b->bd_info->bb_counters[0] += left_is_free ? -1 : 1; in mb_free_blocks()
1482 e4b->bd_info->bb_counters[0] += right_is_free ? -1 : 1; in mb_free_blocks()
1486 mb_buddy_mark_free(e4b, first >> 1, last >> 1); in mb_free_blocks()
1489 mb_set_largest_free_order(sb, e4b->bd_info); in mb_free_blocks()
1490 mb_check_buddy(e4b); in mb_free_blocks()
1493 static int mb_find_extent(struct ext4_buddy *e4b, int block, in mb_find_extent() argument
1500 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_find_extent()
1503 buddy = mb_find_buddy(e4b, 0, &max); in mb_find_extent()
1514 order = mb_find_order_for_block(e4b, block); in mb_find_extent()
1519 ex->fe_group = e4b->bd_group; in mb_find_extent()
1527 mb_find_buddy(e4b, order, &max)) { in mb_find_extent()
1533 if (mb_test_bit(next, e4b->bd_bitmap)) in mb_find_extent()
1536 order = mb_find_order_for_block(e4b, next); in mb_find_extent()
1542 if (ex->fe_start + ex->fe_len > EXT4_CLUSTERS_PER_GROUP(e4b->bd_sb)) { in mb_find_extent()
1545 ext4_error(e4b->bd_sb, "corruption or bug in mb_find_extent " in mb_find_extent()
1556 static int mb_mark_used(struct ext4_buddy *e4b, struct ext4_free_extent *ex) in mb_mark_used() argument
1568 BUG_ON(start + len > (e4b->bd_sb->s_blocksize << 3)); in mb_mark_used()
1569 BUG_ON(e4b->bd_group != ex->fe_group); in mb_mark_used()
1570 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_mark_used()
1571 mb_check_buddy(e4b); in mb_mark_used()
1572 mb_mark_used_double(e4b, start, len); in mb_mark_used()
1574 e4b->bd_info->bb_free -= len; in mb_mark_used()
1575 if (e4b->bd_info->bb_first_free == start) in mb_mark_used()
1576 e4b->bd_info->bb_first_free += len; in mb_mark_used()
1580 mlen = !mb_test_bit(start - 1, e4b->bd_bitmap); in mb_mark_used()
1581 if (start + len < EXT4_SB(e4b->bd_sb)->s_mb_maxs[0]) in mb_mark_used()
1582 max = !mb_test_bit(start + len, e4b->bd_bitmap); in mb_mark_used()
1584 e4b->bd_info->bb_fragments++; in mb_mark_used()
1586 e4b->bd_info->bb_fragments--; in mb_mark_used()
1590 ord = mb_find_order_for_block(e4b, start); in mb_mark_used()
1595 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1598 e4b->bd_info->bb_counters[ord]--; in mb_mark_used()
1611 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1613 e4b->bd_info->bb_counters[ord]--; in mb_mark_used()
1617 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1620 e4b->bd_info->bb_counters[ord]++; in mb_mark_used()
1621 e4b->bd_info->bb_counters[ord]++; in mb_mark_used()
1623 mb_set_largest_free_order(e4b->bd_sb, e4b->bd_info); in mb_mark_used()
1625 ext4_set_bits(e4b->bd_bitmap, ex->fe_start, len0); in mb_mark_used()
1626 mb_check_buddy(e4b); in mb_mark_used()
1635 struct ext4_buddy *e4b) in ext4_mb_use_best_found() argument
1640 BUG_ON(ac->ac_b_ex.fe_group != e4b->bd_group); in ext4_mb_use_best_found()
1645 ret = mb_mark_used(e4b, &ac->ac_b_ex); in ext4_mb_use_best_found()
1662 ac->ac_bitmap_page = e4b->bd_bitmap_page; in ext4_mb_use_best_found()
1664 ac->ac_buddy_page = e4b->bd_buddy_page; in ext4_mb_use_best_found()
1680 struct ext4_buddy *e4b, in ext4_mb_check_limits() argument
1707 && bex->fe_group == e4b->bd_group) { in ext4_mb_check_limits()
1711 max = mb_find_extent(e4b, bex->fe_start, gex->fe_len, &ex); in ext4_mb_check_limits()
1713 ext4_mb_use_best_found(ac, e4b); in ext4_mb_check_limits()
1731 struct ext4_buddy *e4b) in ext4_mb_measure_extent() argument
1748 ext4_mb_use_best_found(ac, e4b); in ext4_mb_measure_extent()
1757 ext4_mb_use_best_found(ac, e4b); in ext4_mb_measure_extent()
1785 ext4_mb_check_limits(ac, e4b, 0); in ext4_mb_measure_extent()
1790 struct ext4_buddy *e4b) in ext4_mb_try_best_found() argument
1798 err = ext4_mb_load_buddy(ac->ac_sb, group, e4b); in ext4_mb_try_best_found()
1803 max = mb_find_extent(e4b, ex.fe_start, ex.fe_len, &ex); in ext4_mb_try_best_found()
1807 ext4_mb_use_best_found(ac, e4b); in ext4_mb_try_best_found()
1811 ext4_mb_unload_buddy(e4b); in ext4_mb_try_best_found()
1818 struct ext4_buddy *e4b) in ext4_mb_find_by_goal() argument
1832 err = ext4_mb_load_buddy(ac->ac_sb, group, e4b); in ext4_mb_find_by_goal()
1836 if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) { in ext4_mb_find_by_goal()
1837 ext4_mb_unload_buddy(e4b); in ext4_mb_find_by_goal()
1842 max = mb_find_extent(e4b, ac->ac_g_ex.fe_start, in ext4_mb_find_by_goal()
1849 start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) + in ext4_mb_find_by_goal()
1855 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
1863 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
1872 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
1875 ext4_mb_unload_buddy(e4b); in ext4_mb_find_by_goal()
1886 struct ext4_buddy *e4b) in ext4_mb_simple_scan_group() argument
1889 struct ext4_group_info *grp = e4b->bd_info; in ext4_mb_simple_scan_group()
1900 buddy = mb_find_buddy(e4b, i, &max); in ext4_mb_simple_scan_group()
1910 ac->ac_b_ex.fe_group = e4b->bd_group; in ext4_mb_simple_scan_group()
1912 ext4_mb_use_best_found(ac, e4b); in ext4_mb_simple_scan_group()
1930 struct ext4_buddy *e4b) in ext4_mb_complex_scan_group() argument
1933 void *bitmap = e4b->bd_bitmap; in ext4_mb_complex_scan_group()
1938 free = e4b->bd_info->bb_free; in ext4_mb_complex_scan_group()
1941 i = e4b->bd_info->bb_first_free; in ext4_mb_complex_scan_group()
1952 ext4_grp_locked_error(sb, e4b->bd_group, 0, 0, in ext4_mb_complex_scan_group()
1956 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in ext4_mb_complex_scan_group()
1961 mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex); in ext4_mb_complex_scan_group()
1964 ext4_grp_locked_error(sb, e4b->bd_group, 0, 0, in ext4_mb_complex_scan_group()
1968 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in ext4_mb_complex_scan_group()
1978 ext4_mb_measure_extent(ac, &ex, e4b); in ext4_mb_complex_scan_group()
1984 ext4_mb_check_limits(ac, e4b, 1); in ext4_mb_complex_scan_group()
1993 struct ext4_buddy *e4b) in ext4_mb_scan_aligned() argument
1997 void *bitmap = e4b->bd_bitmap; in ext4_mb_scan_aligned()
2007 first_group_block = ext4_group_first_block_no(sb, e4b->bd_group); in ext4_mb_scan_aligned()
2015 max = mb_find_extent(e4b, i, sbi->s_stripe, &ex); in ext4_mb_scan_aligned()
2020 ext4_mb_use_best_found(ac, e4b); in ext4_mb_scan_aligned()
2106 struct ext4_buddy e4b; in ext4_mb_regular_allocator() local
2118 err = ext4_mb_find_by_goal(ac, &e4b); in ext4_mb_regular_allocator()
2190 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_regular_allocator()
2203 ext4_mb_unload_buddy(&e4b); in ext4_mb_regular_allocator()
2211 ext4_mb_simple_scan_group(ac, &e4b); in ext4_mb_regular_allocator()
2214 ext4_mb_scan_aligned(ac, &e4b); in ext4_mb_regular_allocator()
2216 ext4_mb_complex_scan_group(ac, &e4b); in ext4_mb_regular_allocator()
2219 ext4_mb_unload_buddy(&e4b); in ext4_mb_regular_allocator()
2233 ext4_mb_try_best_found(ac, &e4b); in ext4_mb_regular_allocator()
2286 struct ext4_buddy e4b; in ext4_mb_seq_groups_show() local
2308 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_seq_groups_show()
2319 ext4_mb_unload_buddy(&e4b); in ext4_mb_seq_groups_show()
2781 struct ext4_buddy e4b; in ext4_free_data_in_buddy() local
2788 err = ext4_mb_load_buddy(sb, entry->efd_group, &e4b); in ext4_free_data_in_buddy()
2796 db = e4b.bd_info; in ext4_free_data_in_buddy()
2803 mb_free_blocks(NULL, &e4b, entry->efd_start_cluster, entry->efd_count); in ext4_free_data_in_buddy()
2818 put_page(e4b.bd_buddy_page); in ext4_free_data_in_buddy()
2819 put_page(e4b.bd_bitmap_page); in ext4_free_data_in_buddy()
2823 ext4_mb_unload_buddy(&e4b); in ext4_free_data_in_buddy()
3287 struct ext4_buddy e4b; in ext4_discard_allocated_blocks() local
3293 err = ext4_mb_load_buddy(ac->ac_sb, ac->ac_f_ex.fe_group, &e4b); in ext4_discard_allocated_blocks()
3304 mb_free_blocks(ac->ac_inode, &e4b, ac->ac_f_ex.fe_start, in ext4_discard_allocated_blocks()
3307 ext4_mb_unload_buddy(&e4b); in ext4_discard_allocated_blocks()
3796 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh, in ext4_mb_release_inode_pa() argument
3799 struct super_block *sb = e4b->bd_sb; in ext4_mb_release_inode_pa()
3811 BUG_ON(group != e4b->bd_group && pa->pa_len != 0); in ext4_mb_release_inode_pa()
3828 mb_free_blocks(pa->pa_inode, e4b, bit, next - bit); in ext4_mb_release_inode_pa()
3832 ext4_msg(e4b->bd_sb, KERN_CRIT, in ext4_mb_release_inode_pa()
3850 ext4_mb_release_group_pa(struct ext4_buddy *e4b, in ext4_mb_release_group_pa() argument
3853 struct super_block *sb = e4b->bd_sb; in ext4_mb_release_group_pa()
3860 BUG_ON(group != e4b->bd_group && pa->pa_len != 0); in ext4_mb_release_group_pa()
3861 mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len); in ext4_mb_release_group_pa()
3885 struct ext4_buddy e4b; in ext4_mb_discard_group_preallocations() local
3903 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_discard_group_preallocations()
3965 ext4_mb_release_group_pa(&e4b, pa); in ext4_mb_discard_group_preallocations()
3967 ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa); in ext4_mb_discard_group_preallocations()
3975 ext4_mb_unload_buddy(&e4b); in ext4_mb_discard_group_preallocations()
3997 struct ext4_buddy e4b; in ext4_discard_preallocations() local
4063 err = ext4_mb_load_buddy_gfp(sb, group, &e4b, in ext4_discard_preallocations()
4076 ext4_mb_unload_buddy(&e4b); in ext4_discard_preallocations()
4082 ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa); in ext4_discard_preallocations()
4085 ext4_mb_unload_buddy(&e4b); in ext4_discard_preallocations()
4273 struct ext4_buddy e4b; in ext4_mb_discard_lg_preallocations() local
4325 err = ext4_mb_load_buddy_gfp(sb, group, &e4b, in ext4_mb_discard_lg_preallocations()
4334 ext4_mb_release_group_pa(&e4b, pa); in ext4_mb_discard_lg_preallocations()
4337 ext4_mb_unload_buddy(&e4b); in ext4_mb_discard_lg_preallocations()
4625 ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b, in ext4_mb_free_metadata() argument
4628 ext4_group_t group = e4b->bd_group; in ext4_mb_free_metadata()
4632 struct ext4_group_info *db = e4b->bd_info; in ext4_mb_free_metadata()
4633 struct super_block *sb = e4b->bd_sb; in ext4_mb_free_metadata()
4639 BUG_ON(e4b->bd_bitmap_page == NULL); in ext4_mb_free_metadata()
4640 BUG_ON(e4b->bd_buddy_page == NULL); in ext4_mb_free_metadata()
4651 get_page(e4b->bd_buddy_page); in ext4_mb_free_metadata()
4652 get_page(e4b->bd_bitmap_page); in ext4_mb_free_metadata()
4716 struct ext4_buddy e4b; in ext4_free_blocks() local
4858 err = ext4_mb_load_buddy_gfp(sb, block_group, &e4b, in ext4_free_blocks()
4886 ext4_mb_free_metadata(handle, &e4b, new_entry); in ext4_free_blocks()
4901 EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); in ext4_free_blocks()
4905 mb_free_blocks(inode, &e4b, bit, count_clusters); in ext4_free_blocks()
4932 ext4_mb_unload_buddy(&e4b); in ext4_free_blocks()
4975 struct ext4_buddy e4b; in ext4_group_add_blocks() local
5050 err = ext4_mb_load_buddy(sb, block_group, &e4b); in ext4_group_add_blocks()
5061 mb_free_blocks(NULL, &e4b, bit, cluster_count); in ext4_group_add_blocks()
5077 ext4_mb_unload_buddy(&e4b); in ext4_group_add_blocks()
5108 ext4_group_t group, struct ext4_buddy *e4b) in ext4_trim_extent() argument
5127 mb_mark_used(e4b, &ex); in ext4_trim_extent()
5131 mb_free_blocks(NULL, e4b, start, ex.fe_len); in ext4_trim_extent()
5160 struct ext4_buddy e4b; in ext4_trim_all_free() local
5165 ret = ext4_mb_load_buddy(sb, group, &e4b); in ext4_trim_all_free()
5171 bitmap = e4b.bd_bitmap; in ext4_trim_all_free()
5174 if (EXT4_MB_GRP_WAS_TRIMMED(e4b.bd_info) && in ext4_trim_all_free()
5178 start = (e4b.bd_info->bb_first_free > start) ? in ext4_trim_all_free()
5179 e4b.bd_info->bb_first_free : start; in ext4_trim_all_free()
5189 next - start, group, &e4b); in ext4_trim_all_free()
5209 if ((e4b.bd_info->bb_free - free_count) < minblocks) in ext4_trim_all_free()
5215 EXT4_MB_GRP_SET_TRIMMED(e4b.bd_info); in ext4_trim_all_free()
5219 ext4_mb_unload_buddy(&e4b); in ext4_trim_all_free()
5330 struct ext4_buddy e4b; in ext4_mballoc_query_range() local
5333 error = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mballoc_query_range()
5336 bitmap = e4b.bd_bitmap; in ext4_mballoc_query_range()
5340 start = (e4b.bd_info->bb_first_free > start) ? in ext4_mballoc_query_range()
5341 e4b.bd_info->bb_first_free : start; in ext4_mballoc_query_range()
5362 ext4_mb_unload_buddy(&e4b); in ext4_mballoc_query_range()