Lines Matching refs:e4b
440 static void *mb_find_buddy(struct ext4_buddy *e4b, int order, int *max) in mb_find_buddy() argument
444 BUG_ON(e4b->bd_bitmap == e4b->bd_buddy); in mb_find_buddy()
447 if (order > e4b->bd_blkbits + 1) { in mb_find_buddy()
454 *max = 1 << (e4b->bd_blkbits + 3); in mb_find_buddy()
455 return e4b->bd_bitmap; in mb_find_buddy()
458 bb = e4b->bd_buddy + EXT4_SB(e4b->bd_sb)->s_mb_offsets[order]; in mb_find_buddy()
459 *max = EXT4_SB(e4b->bd_sb)->s_mb_maxs[order]; in mb_find_buddy()
465 static void mb_free_blocks_double(struct inode *inode, struct ext4_buddy *e4b, in mb_free_blocks_double() argument
469 struct super_block *sb = e4b->bd_sb; in mb_free_blocks_double()
471 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_free_blocks_double()
473 assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); in mb_free_blocks_double()
475 if (!mb_test_bit(first + i, e4b->bd_info->bb_bitmap)) { in mb_free_blocks_double()
478 blocknr = ext4_group_first_block_no(sb, e4b->bd_group); in mb_free_blocks_double()
480 ext4_grp_locked_error(sb, e4b->bd_group, in mb_free_blocks_double()
487 mb_clear_bit(first + i, e4b->bd_info->bb_bitmap); in mb_free_blocks_double()
491 static void mb_mark_used_double(struct ext4_buddy *e4b, int first, int count) in mb_mark_used_double() argument
495 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_mark_used_double()
497 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_mark_used_double()
499 BUG_ON(mb_test_bit(first + i, e4b->bd_info->bb_bitmap)); in mb_mark_used_double()
500 mb_set_bit(first + i, e4b->bd_info->bb_bitmap); in mb_mark_used_double()
504 static void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap) in mb_cmp_bitmaps() argument
506 if (memcmp(e4b->bd_info->bb_bitmap, bitmap, e4b->bd_sb->s_blocksize)) { in mb_cmp_bitmaps()
509 b1 = (unsigned char *) e4b->bd_info->bb_bitmap; in mb_cmp_bitmaps()
511 for (i = 0; i < e4b->bd_sb->s_blocksize; i++) { in mb_cmp_bitmaps()
513 ext4_msg(e4b->bd_sb, KERN_ERR, in mb_cmp_bitmaps()
517 e4b->bd_group, i, i * 8, b1[i], b2[i]); in mb_cmp_bitmaps()
526 struct ext4_buddy *e4b, int first, int count) in mb_free_blocks_double() argument
530 static inline void mb_mark_used_double(struct ext4_buddy *e4b, in mb_mark_used_double() argument
535 static inline void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap) in mb_cmp_bitmaps() argument
553 static int __mb_check_buddy(struct ext4_buddy *e4b, char *file, in __mb_check_buddy() argument
556 struct super_block *sb = e4b->bd_sb; in __mb_check_buddy()
557 int order = e4b->bd_blkbits + 1; in __mb_check_buddy()
578 buddy = mb_find_buddy(e4b, order, &max); in __mb_check_buddy()
580 buddy2 = mb_find_buddy(e4b, order - 1, &max2); in __mb_check_buddy()
607 !mb_test_bit(k, e4b->bd_bitmap)); in __mb_check_buddy()
611 MB_CHECK_ASSERT(e4b->bd_info->bb_counters[order] == count); in __mb_check_buddy()
616 buddy = mb_find_buddy(e4b, 0, &max); in __mb_check_buddy()
619 MB_CHECK_ASSERT(i >= e4b->bd_info->bb_first_free); in __mb_check_buddy()
628 for (j = 0; j < e4b->bd_blkbits + 1; j++) { in __mb_check_buddy()
629 buddy2 = mb_find_buddy(e4b, j, &max2); in __mb_check_buddy()
635 MB_CHECK_ASSERT(!EXT4_MB_GRP_NEED_INIT(e4b->bd_info)); in __mb_check_buddy()
636 MB_CHECK_ASSERT(e4b->bd_info->bb_fragments == fragments); in __mb_check_buddy()
638 grp = ext4_get_group_info(sb, e4b->bd_group); in __mb_check_buddy()
644 MB_CHECK_ASSERT(groupnr == e4b->bd_group); in __mb_check_buddy()
651 #define mb_check_buddy(e4b) __mb_check_buddy(e4b, \ argument
654 #define mb_check_buddy(e4b) argument
779 static void mb_regenerate_buddy(struct ext4_buddy *e4b) in mb_regenerate_buddy() argument
785 while ((buddy = mb_find_buddy(e4b, order++, &count))) { in mb_regenerate_buddy()
788 e4b->bd_info->bb_fragments = 0; in mb_regenerate_buddy()
789 memset(e4b->bd_info->bb_counters, 0, in mb_regenerate_buddy()
790 sizeof(*e4b->bd_info->bb_counters) * in mb_regenerate_buddy()
791 (e4b->bd_sb->s_blocksize_bits + 2)); in mb_regenerate_buddy()
793 ext4_mb_generate_buddy(e4b->bd_sb, e4b->bd_buddy, in mb_regenerate_buddy()
794 e4b->bd_bitmap, e4b->bd_group); in mb_regenerate_buddy()
975 ext4_group_t group, struct ext4_buddy *e4b) in ext4_mb_get_buddy_page_lock() argument
982 e4b->bd_buddy_page = NULL; in ext4_mb_get_buddy_page_lock()
983 e4b->bd_bitmap_page = NULL; in ext4_mb_get_buddy_page_lock()
998 e4b->bd_bitmap_page = page; in ext4_mb_get_buddy_page_lock()
999 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_get_buddy_page_lock()
1012 e4b->bd_buddy_page = page; in ext4_mb_get_buddy_page_lock()
1016 static void ext4_mb_put_buddy_page_lock(struct ext4_buddy *e4b) in ext4_mb_put_buddy_page_lock() argument
1018 if (e4b->bd_bitmap_page) { in ext4_mb_put_buddy_page_lock()
1019 unlock_page(e4b->bd_bitmap_page); in ext4_mb_put_buddy_page_lock()
1020 page_cache_release(e4b->bd_bitmap_page); in ext4_mb_put_buddy_page_lock()
1022 if (e4b->bd_buddy_page) { in ext4_mb_put_buddy_page_lock()
1023 unlock_page(e4b->bd_buddy_page); in ext4_mb_put_buddy_page_lock()
1024 page_cache_release(e4b->bd_buddy_page); in ext4_mb_put_buddy_page_lock()
1038 struct ext4_buddy e4b; in ext4_mb_init_group() local
1054 ret = ext4_mb_get_buddy_page_lock(sb, group, &e4b); in ext4_mb_init_group()
1063 page = e4b.bd_bitmap_page; in ext4_mb_init_group()
1072 if (e4b.bd_buddy_page == NULL) { in ext4_mb_init_group()
1082 page = e4b.bd_buddy_page; in ext4_mb_init_group()
1083 ret = ext4_mb_init_cache(page, e4b.bd_bitmap); in ext4_mb_init_group()
1091 ext4_mb_put_buddy_page_lock(&e4b); in ext4_mb_init_group()
1102 struct ext4_buddy *e4b) in ext4_mb_load_buddy() argument
1120 e4b->bd_blkbits = sb->s_blocksize_bits; in ext4_mb_load_buddy()
1121 e4b->bd_info = grp; in ext4_mb_load_buddy()
1122 e4b->bd_sb = sb; in ext4_mb_load_buddy()
1123 e4b->bd_group = group; in ext4_mb_load_buddy()
1124 e4b->bd_buddy_page = NULL; in ext4_mb_load_buddy()
1125 e4b->bd_bitmap_page = NULL; in ext4_mb_load_buddy()
1169 mb_cmp_bitmaps(e4b, page_address(page) + in ext4_mb_load_buddy()
1185 e4b->bd_bitmap_page = page; in ext4_mb_load_buddy()
1186 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_load_buddy()
1200 ret = ext4_mb_init_cache(page, e4b->bd_bitmap); in ext4_mb_load_buddy()
1219 e4b->bd_buddy_page = page; in ext4_mb_load_buddy()
1220 e4b->bd_buddy = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_load_buddy()
1222 BUG_ON(e4b->bd_bitmap_page == NULL); in ext4_mb_load_buddy()
1223 BUG_ON(e4b->bd_buddy_page == NULL); in ext4_mb_load_buddy()
1230 if (e4b->bd_bitmap_page) in ext4_mb_load_buddy()
1231 page_cache_release(e4b->bd_bitmap_page); in ext4_mb_load_buddy()
1232 if (e4b->bd_buddy_page) in ext4_mb_load_buddy()
1233 page_cache_release(e4b->bd_buddy_page); in ext4_mb_load_buddy()
1234 e4b->bd_buddy = NULL; in ext4_mb_load_buddy()
1235 e4b->bd_bitmap = NULL; in ext4_mb_load_buddy()
1239 static void ext4_mb_unload_buddy(struct ext4_buddy *e4b) in ext4_mb_unload_buddy() argument
1241 if (e4b->bd_bitmap_page) in ext4_mb_unload_buddy()
1242 page_cache_release(e4b->bd_bitmap_page); in ext4_mb_unload_buddy()
1243 if (e4b->bd_buddy_page) in ext4_mb_unload_buddy()
1244 page_cache_release(e4b->bd_buddy_page); in ext4_mb_unload_buddy()
1248 static int mb_find_order_for_block(struct ext4_buddy *e4b, int block) in mb_find_order_for_block() argument
1251 int bb_incr = 1 << (e4b->bd_blkbits - 1); in mb_find_order_for_block()
1254 BUG_ON(e4b->bd_bitmap == e4b->bd_buddy); in mb_find_order_for_block()
1255 BUG_ON(block >= (1 << (e4b->bd_blkbits + 3))); in mb_find_order_for_block()
1257 bb = e4b->bd_buddy; in mb_find_order_for_block()
1258 while (order <= e4b->bd_blkbits + 1) { in mb_find_order_for_block()
1351 static void mb_buddy_mark_free(struct ext4_buddy *e4b, int first, int last) in mb_buddy_mark_free() argument
1355 void *buddy = mb_find_buddy(e4b, order, &max); in mb_buddy_mark_free()
1390 e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&first, buddy, -1); in mb_buddy_mark_free()
1392 e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&last, buddy, 1); in mb_buddy_mark_free()
1397 if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) { in mb_buddy_mark_free()
1399 e4b->bd_info->bb_counters[order - 1] += last - first + 1; in mb_buddy_mark_free()
1408 static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b, in mb_free_blocks() argument
1415 struct super_block *sb = e4b->bd_sb; in mb_free_blocks()
1420 assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); in mb_free_blocks()
1422 if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) in mb_free_blocks()
1425 mb_check_buddy(e4b); in mb_free_blocks()
1426 mb_free_blocks_double(inode, e4b, first, count); in mb_free_blocks()
1428 e4b->bd_info->bb_free += count; in mb_free_blocks()
1429 if (first < e4b->bd_info->bb_first_free) in mb_free_blocks()
1430 e4b->bd_info->bb_first_free = first; in mb_free_blocks()
1436 left_is_free = !mb_test_bit(first - 1, e4b->bd_bitmap); in mb_free_blocks()
1437 block = mb_test_and_clear_bits(e4b->bd_bitmap, first, count); in mb_free_blocks()
1439 right_is_free = !mb_test_bit(last + 1, e4b->bd_bitmap); in mb_free_blocks()
1445 blocknr = ext4_group_first_block_no(sb, e4b->bd_group); in mb_free_blocks()
1447 ext4_grp_locked_error(sb, e4b->bd_group, in mb_free_blocks()
1453 if (!EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info)) in mb_free_blocks()
1455 e4b->bd_info->bb_free); in mb_free_blocks()
1458 &e4b->bd_info->bb_state); in mb_free_blocks()
1459 mb_regenerate_buddy(e4b); in mb_free_blocks()
1465 e4b->bd_info->bb_fragments--; in mb_free_blocks()
1467 e4b->bd_info->bb_fragments++; in mb_free_blocks()
1477 e4b->bd_info->bb_counters[0] += left_is_free ? -1 : 1; in mb_free_blocks()
1481 e4b->bd_info->bb_counters[0] += right_is_free ? -1 : 1; in mb_free_blocks()
1485 mb_buddy_mark_free(e4b, first >> 1, last >> 1); in mb_free_blocks()
1488 mb_set_largest_free_order(sb, e4b->bd_info); in mb_free_blocks()
1489 mb_check_buddy(e4b); in mb_free_blocks()
1492 static int mb_find_extent(struct ext4_buddy *e4b, int block, in mb_find_extent() argument
1499 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_find_extent()
1502 buddy = mb_find_buddy(e4b, 0, &max); in mb_find_extent()
1513 order = mb_find_order_for_block(e4b, block); in mb_find_extent()
1518 ex->fe_group = e4b->bd_group; in mb_find_extent()
1526 mb_find_buddy(e4b, order, &max)) { in mb_find_extent()
1532 if (mb_test_bit(next, e4b->bd_bitmap)) in mb_find_extent()
1535 order = mb_find_order_for_block(e4b, next); in mb_find_extent()
1541 BUG_ON(ex->fe_start + ex->fe_len > (1 << (e4b->bd_blkbits + 3))); in mb_find_extent()
1545 static int mb_mark_used(struct ext4_buddy *e4b, struct ext4_free_extent *ex) in mb_mark_used() argument
1557 BUG_ON(start + len > (e4b->bd_sb->s_blocksize << 3)); in mb_mark_used()
1558 BUG_ON(e4b->bd_group != ex->fe_group); in mb_mark_used()
1559 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_mark_used()
1560 mb_check_buddy(e4b); in mb_mark_used()
1561 mb_mark_used_double(e4b, start, len); in mb_mark_used()
1563 e4b->bd_info->bb_free -= len; in mb_mark_used()
1564 if (e4b->bd_info->bb_first_free == start) in mb_mark_used()
1565 e4b->bd_info->bb_first_free += len; in mb_mark_used()
1569 mlen = !mb_test_bit(start - 1, e4b->bd_bitmap); in mb_mark_used()
1570 if (start + len < EXT4_SB(e4b->bd_sb)->s_mb_maxs[0]) in mb_mark_used()
1571 max = !mb_test_bit(start + len, e4b->bd_bitmap); in mb_mark_used()
1573 e4b->bd_info->bb_fragments++; in mb_mark_used()
1575 e4b->bd_info->bb_fragments--; in mb_mark_used()
1579 ord = mb_find_order_for_block(e4b, start); in mb_mark_used()
1584 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1587 e4b->bd_info->bb_counters[ord]--; in mb_mark_used()
1600 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1602 e4b->bd_info->bb_counters[ord]--; in mb_mark_used()
1606 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1609 e4b->bd_info->bb_counters[ord]++; in mb_mark_used()
1610 e4b->bd_info->bb_counters[ord]++; in mb_mark_used()
1612 mb_set_largest_free_order(e4b->bd_sb, e4b->bd_info); in mb_mark_used()
1614 ext4_set_bits(e4b->bd_bitmap, ex->fe_start, len0); in mb_mark_used()
1615 mb_check_buddy(e4b); in mb_mark_used()
1624 struct ext4_buddy *e4b) in ext4_mb_use_best_found() argument
1629 BUG_ON(ac->ac_b_ex.fe_group != e4b->bd_group); in ext4_mb_use_best_found()
1634 ret = mb_mark_used(e4b, &ac->ac_b_ex); in ext4_mb_use_best_found()
1651 ac->ac_bitmap_page = e4b->bd_bitmap_page; in ext4_mb_use_best_found()
1653 ac->ac_buddy_page = e4b->bd_buddy_page; in ext4_mb_use_best_found()
1669 struct ext4_buddy *e4b, in ext4_mb_check_limits() argument
1696 && bex->fe_group == e4b->bd_group) { in ext4_mb_check_limits()
1700 max = mb_find_extent(e4b, bex->fe_start, gex->fe_len, &ex); in ext4_mb_check_limits()
1702 ext4_mb_use_best_found(ac, e4b); in ext4_mb_check_limits()
1720 struct ext4_buddy *e4b) in ext4_mb_measure_extent() argument
1737 ext4_mb_use_best_found(ac, e4b); in ext4_mb_measure_extent()
1746 ext4_mb_use_best_found(ac, e4b); in ext4_mb_measure_extent()
1774 ext4_mb_check_limits(ac, e4b, 0); in ext4_mb_measure_extent()
1779 struct ext4_buddy *e4b) in ext4_mb_try_best_found() argument
1787 err = ext4_mb_load_buddy(ac->ac_sb, group, e4b); in ext4_mb_try_best_found()
1792 max = mb_find_extent(e4b, ex.fe_start, ex.fe_len, &ex); in ext4_mb_try_best_found()
1796 ext4_mb_use_best_found(ac, e4b); in ext4_mb_try_best_found()
1800 ext4_mb_unload_buddy(e4b); in ext4_mb_try_best_found()
1807 struct ext4_buddy *e4b) in ext4_mb_find_by_goal() argument
1821 err = ext4_mb_load_buddy(ac->ac_sb, group, e4b); in ext4_mb_find_by_goal()
1825 if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) { in ext4_mb_find_by_goal()
1826 ext4_mb_unload_buddy(e4b); in ext4_mb_find_by_goal()
1831 max = mb_find_extent(e4b, ac->ac_g_ex.fe_start, in ext4_mb_find_by_goal()
1838 start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) + in ext4_mb_find_by_goal()
1844 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
1852 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
1861 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
1864 ext4_mb_unload_buddy(e4b); in ext4_mb_find_by_goal()
1875 struct ext4_buddy *e4b) in ext4_mb_simple_scan_group() argument
1878 struct ext4_group_info *grp = e4b->bd_info; in ext4_mb_simple_scan_group()
1889 buddy = mb_find_buddy(e4b, i, &max); in ext4_mb_simple_scan_group()
1899 ac->ac_b_ex.fe_group = e4b->bd_group; in ext4_mb_simple_scan_group()
1901 ext4_mb_use_best_found(ac, e4b); in ext4_mb_simple_scan_group()
1919 struct ext4_buddy *e4b) in ext4_mb_complex_scan_group() argument
1922 void *bitmap = e4b->bd_bitmap; in ext4_mb_complex_scan_group()
1927 free = e4b->bd_info->bb_free; in ext4_mb_complex_scan_group()
1930 i = e4b->bd_info->bb_first_free; in ext4_mb_complex_scan_group()
1941 ext4_grp_locked_error(sb, e4b->bd_group, 0, 0, in ext4_mb_complex_scan_group()
1948 mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex); in ext4_mb_complex_scan_group()
1951 ext4_grp_locked_error(sb, e4b->bd_group, 0, 0, in ext4_mb_complex_scan_group()
1963 ext4_mb_measure_extent(ac, &ex, e4b); in ext4_mb_complex_scan_group()
1969 ext4_mb_check_limits(ac, e4b, 1); in ext4_mb_complex_scan_group()
1978 struct ext4_buddy *e4b) in ext4_mb_scan_aligned() argument
1982 void *bitmap = e4b->bd_bitmap; in ext4_mb_scan_aligned()
1992 first_group_block = ext4_group_first_block_no(sb, e4b->bd_group); in ext4_mb_scan_aligned()
2000 max = mb_find_extent(e4b, i, sbi->s_stripe, &ex); in ext4_mb_scan_aligned()
2005 ext4_mb_use_best_found(ac, e4b); in ext4_mb_scan_aligned()
2086 struct ext4_buddy e4b; in ext4_mb_regular_allocator() local
2098 err = ext4_mb_find_by_goal(ac, &e4b); in ext4_mb_regular_allocator()
2162 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_regular_allocator()
2174 ext4_mb_unload_buddy(&e4b); in ext4_mb_regular_allocator()
2180 ext4_mb_simple_scan_group(ac, &e4b); in ext4_mb_regular_allocator()
2183 ext4_mb_scan_aligned(ac, &e4b); in ext4_mb_regular_allocator()
2185 ext4_mb_complex_scan_group(ac, &e4b); in ext4_mb_regular_allocator()
2188 ext4_mb_unload_buddy(&e4b); in ext4_mb_regular_allocator()
2202 ext4_mb_try_best_found(ac, &e4b); in ext4_mb_regular_allocator()
2253 struct ext4_buddy e4b; in ext4_mb_seq_groups_show() local
2274 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_seq_groups_show()
2285 ext4_mb_unload_buddy(&e4b); in ext4_mb_seq_groups_show()
2771 struct ext4_buddy e4b; in ext4_free_data_callback() local
2790 err = ext4_mb_load_buddy(sb, entry->efd_group, &e4b); in ext4_free_data_callback()
2795 db = e4b.bd_info; in ext4_free_data_callback()
2802 mb_free_blocks(NULL, &e4b, entry->efd_start_cluster, entry->efd_count); in ext4_free_data_callback()
2817 page_cache_release(e4b.bd_buddy_page); in ext4_free_data_callback()
2818 page_cache_release(e4b.bd_bitmap_page); in ext4_free_data_callback()
2822 ext4_mb_unload_buddy(&e4b); in ext4_free_data_callback()
3224 struct ext4_buddy e4b; in ext4_discard_allocated_blocks() local
3230 err = ext4_mb_load_buddy(ac->ac_sb, ac->ac_f_ex.fe_group, &e4b); in ext4_discard_allocated_blocks()
3241 mb_free_blocks(ac->ac_inode, &e4b, ac->ac_f_ex.fe_start, in ext4_discard_allocated_blocks()
3244 ext4_mb_unload_buddy(&e4b); in ext4_discard_allocated_blocks()
3733 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh, in ext4_mb_release_inode_pa() argument
3736 struct super_block *sb = e4b->bd_sb; in ext4_mb_release_inode_pa()
3749 BUG_ON(group != e4b->bd_group && pa->pa_len != 0); in ext4_mb_release_inode_pa()
3766 mb_free_blocks(pa->pa_inode, e4b, bit, next - bit); in ext4_mb_release_inode_pa()
3770 ext4_msg(e4b->bd_sb, KERN_CRIT, in ext4_mb_release_inode_pa()
3788 ext4_mb_release_group_pa(struct ext4_buddy *e4b, in ext4_mb_release_group_pa() argument
3791 struct super_block *sb = e4b->bd_sb; in ext4_mb_release_group_pa()
3798 BUG_ON(group != e4b->bd_group && pa->pa_len != 0); in ext4_mb_release_group_pa()
3799 mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len); in ext4_mb_release_group_pa()
3823 struct ext4_buddy e4b; in ext4_mb_discard_group_preallocations() local
3839 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_discard_group_preallocations()
3900 ext4_mb_release_group_pa(&e4b, pa); in ext4_mb_discard_group_preallocations()
3902 ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa); in ext4_mb_discard_group_preallocations()
3910 ext4_mb_unload_buddy(&e4b); in ext4_mb_discard_group_preallocations()
3932 struct ext4_buddy e4b; in ext4_discard_preallocations() local
3998 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_discard_preallocations()
4009 ext4_mb_unload_buddy(&e4b); in ext4_discard_preallocations()
4015 ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa); in ext4_discard_preallocations()
4018 ext4_mb_unload_buddy(&e4b); in ext4_discard_preallocations()
4207 struct ext4_buddy e4b; in ext4_mb_discard_lg_preallocations() local
4258 if (ext4_mb_load_buddy(sb, group, &e4b)) { in ext4_mb_discard_lg_preallocations()
4265 ext4_mb_release_group_pa(&e4b, pa); in ext4_mb_discard_lg_preallocations()
4268 ext4_mb_unload_buddy(&e4b); in ext4_mb_discard_lg_preallocations()
4553 ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b, in ext4_mb_free_metadata() argument
4556 ext4_group_t group = e4b->bd_group; in ext4_mb_free_metadata()
4559 struct ext4_group_info *db = e4b->bd_info; in ext4_mb_free_metadata()
4560 struct super_block *sb = e4b->bd_sb; in ext4_mb_free_metadata()
4566 BUG_ON(e4b->bd_bitmap_page == NULL); in ext4_mb_free_metadata()
4567 BUG_ON(e4b->bd_buddy_page == NULL); in ext4_mb_free_metadata()
4578 page_cache_get(e4b->bd_buddy_page); in ext4_mb_free_metadata()
4579 page_cache_get(e4b->bd_bitmap_page); in ext4_mb_free_metadata()
4649 struct ext4_buddy e4b; in ext4_free_blocks() local
4798 err = ext4_mb_load_buddy(sb, block_group, &e4b); in ext4_free_blocks()
4820 ext4_mb_free_metadata(handle, &e4b, new_entry); in ext4_free_blocks()
4834 EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); in ext4_free_blocks()
4838 mb_free_blocks(inode, &e4b, bit, count_clusters); in ext4_free_blocks()
4857 ext4_mb_unload_buddy(&e4b); in ext4_free_blocks()
4900 struct ext4_buddy e4b; in ext4_group_add_blocks() local
4971 err = ext4_mb_load_buddy(sb, block_group, &e4b); in ext4_group_add_blocks()
4982 mb_free_blocks(NULL, &e4b, bit, count); in ext4_group_add_blocks()
4997 ext4_mb_unload_buddy(&e4b); in ext4_group_add_blocks()
5028 ext4_group_t group, struct ext4_buddy *e4b) in ext4_trim_extent() argument
5047 mb_mark_used(e4b, &ex); in ext4_trim_extent()
5051 mb_free_blocks(NULL, e4b, start, ex.fe_len); in ext4_trim_extent()
5080 struct ext4_buddy e4b; in ext4_trim_all_free() local
5085 ret = ext4_mb_load_buddy(sb, group, &e4b); in ext4_trim_all_free()
5091 bitmap = e4b.bd_bitmap; in ext4_trim_all_free()
5094 if (EXT4_MB_GRP_WAS_TRIMMED(e4b.bd_info) && in ext4_trim_all_free()
5098 start = (e4b.bd_info->bb_first_free > start) ? in ext4_trim_all_free()
5099 e4b.bd_info->bb_first_free : start; in ext4_trim_all_free()
5109 next - start, group, &e4b); in ext4_trim_all_free()
5129 if ((e4b.bd_info->bb_free - free_count) < minblocks) in ext4_trim_all_free()
5135 EXT4_MB_GRP_SET_TRIMMED(e4b.bd_info); in ext4_trim_all_free()
5139 ext4_mb_unload_buddy(&e4b); in ext4_trim_all_free()