Lines Matching refs:e4b
412 struct ext4_buddy *e4b, ext4_grpblk_t start,
512 static void *mb_find_buddy(struct ext4_buddy *e4b, int order, int *max) in mb_find_buddy() argument
516 BUG_ON(e4b->bd_bitmap == e4b->bd_buddy); in mb_find_buddy()
519 if (order > e4b->bd_blkbits + 1) { in mb_find_buddy()
526 *max = 1 << (e4b->bd_blkbits + 3); in mb_find_buddy()
527 return e4b->bd_bitmap; in mb_find_buddy()
530 bb = e4b->bd_buddy + EXT4_SB(e4b->bd_sb)->s_mb_offsets[order]; in mb_find_buddy()
531 *max = EXT4_SB(e4b->bd_sb)->s_mb_maxs[order]; in mb_find_buddy()
537 static void mb_free_blocks_double(struct inode *inode, struct ext4_buddy *e4b, in mb_free_blocks_double() argument
541 struct super_block *sb = e4b->bd_sb; in mb_free_blocks_double()
543 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_free_blocks_double()
545 assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); in mb_free_blocks_double()
547 if (!mb_test_bit(first + i, e4b->bd_info->bb_bitmap)) { in mb_free_blocks_double()
550 blocknr = ext4_group_first_block_no(sb, e4b->bd_group); in mb_free_blocks_double()
552 ext4_grp_locked_error(sb, e4b->bd_group, in mb_free_blocks_double()
558 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in mb_free_blocks_double()
561 mb_clear_bit(first + i, e4b->bd_info->bb_bitmap); in mb_free_blocks_double()
565 static void mb_mark_used_double(struct ext4_buddy *e4b, int first, int count) in mb_mark_used_double() argument
569 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_mark_used_double()
571 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_mark_used_double()
573 BUG_ON(mb_test_bit(first + i, e4b->bd_info->bb_bitmap)); in mb_mark_used_double()
574 mb_set_bit(first + i, e4b->bd_info->bb_bitmap); in mb_mark_used_double()
578 static void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap) in mb_cmp_bitmaps() argument
580 if (unlikely(e4b->bd_info->bb_bitmap == NULL)) in mb_cmp_bitmaps()
582 if (memcmp(e4b->bd_info->bb_bitmap, bitmap, e4b->bd_sb->s_blocksize)) { in mb_cmp_bitmaps()
585 b1 = (unsigned char *) e4b->bd_info->bb_bitmap; in mb_cmp_bitmaps()
587 for (i = 0; i < e4b->bd_sb->s_blocksize; i++) { in mb_cmp_bitmaps()
589 ext4_msg(e4b->bd_sb, KERN_ERR, in mb_cmp_bitmaps()
593 e4b->bd_group, i, i * 8, b1[i], b2[i]); in mb_cmp_bitmaps()
627 struct ext4_buddy *e4b, int first, int count) in mb_free_blocks_double() argument
631 static inline void mb_mark_used_double(struct ext4_buddy *e4b, in mb_mark_used_double() argument
636 static inline void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap) in mb_cmp_bitmaps() argument
665 static int __mb_check_buddy(struct ext4_buddy *e4b, char *file, in __mb_check_buddy() argument
668 struct super_block *sb = e4b->bd_sb; in __mb_check_buddy()
669 int order = e4b->bd_blkbits + 1; in __mb_check_buddy()
683 if (e4b->bd_info->bb_check_counter++ % 10) in __mb_check_buddy()
687 buddy = mb_find_buddy(e4b, order, &max); in __mb_check_buddy()
689 buddy2 = mb_find_buddy(e4b, order - 1, &max2); in __mb_check_buddy()
716 !mb_test_bit(k, e4b->bd_bitmap)); in __mb_check_buddy()
720 MB_CHECK_ASSERT(e4b->bd_info->bb_counters[order] == count); in __mb_check_buddy()
725 buddy = mb_find_buddy(e4b, 0, &max); in __mb_check_buddy()
728 MB_CHECK_ASSERT(i >= e4b->bd_info->bb_first_free); in __mb_check_buddy()
737 for (j = 0; j < e4b->bd_blkbits + 1; j++) { in __mb_check_buddy()
738 buddy2 = mb_find_buddy(e4b, j, &max2); in __mb_check_buddy()
744 MB_CHECK_ASSERT(!EXT4_MB_GRP_NEED_INIT(e4b->bd_info)); in __mb_check_buddy()
745 MB_CHECK_ASSERT(e4b->bd_info->bb_fragments == fragments); in __mb_check_buddy()
747 grp = ext4_get_group_info(sb, e4b->bd_group); in __mb_check_buddy()
753 MB_CHECK_ASSERT(groupnr == e4b->bd_group); in __mb_check_buddy()
760 #define mb_check_buddy(e4b) __mb_check_buddy(e4b, \ argument
763 #define mb_check_buddy(e4b) argument
1351 ext4_group_t group, struct ext4_buddy *e4b, gfp_t gfp) in ext4_mb_get_buddy_page_lock() argument
1358 e4b->bd_buddy_page = NULL; in ext4_mb_get_buddy_page_lock()
1359 e4b->bd_bitmap_page = NULL; in ext4_mb_get_buddy_page_lock()
1374 e4b->bd_bitmap_page = page; in ext4_mb_get_buddy_page_lock()
1375 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_get_buddy_page_lock()
1388 e4b->bd_buddy_page = page; in ext4_mb_get_buddy_page_lock()
1392 static void ext4_mb_put_buddy_page_lock(struct ext4_buddy *e4b) in ext4_mb_put_buddy_page_lock() argument
1394 if (e4b->bd_bitmap_page) { in ext4_mb_put_buddy_page_lock()
1395 unlock_page(e4b->bd_bitmap_page); in ext4_mb_put_buddy_page_lock()
1396 put_page(e4b->bd_bitmap_page); in ext4_mb_put_buddy_page_lock()
1398 if (e4b->bd_buddy_page) { in ext4_mb_put_buddy_page_lock()
1399 unlock_page(e4b->bd_buddy_page); in ext4_mb_put_buddy_page_lock()
1400 put_page(e4b->bd_buddy_page); in ext4_mb_put_buddy_page_lock()
1414 struct ext4_buddy e4b; in ext4_mb_init_group() local
1430 ret = ext4_mb_get_buddy_page_lock(sb, group, &e4b, gfp); in ext4_mb_init_group()
1439 page = e4b.bd_bitmap_page; in ext4_mb_init_group()
1448 if (e4b.bd_buddy_page == NULL) { in ext4_mb_init_group()
1458 page = e4b.bd_buddy_page; in ext4_mb_init_group()
1459 ret = ext4_mb_init_cache(page, e4b.bd_bitmap, gfp); in ext4_mb_init_group()
1467 ext4_mb_put_buddy_page_lock(&e4b); in ext4_mb_init_group()
1478 struct ext4_buddy *e4b, gfp_t gfp) in ext4_mb_load_buddy_gfp() argument
1496 e4b->bd_blkbits = sb->s_blocksize_bits; in ext4_mb_load_buddy_gfp()
1497 e4b->bd_info = grp; in ext4_mb_load_buddy_gfp()
1498 e4b->bd_sb = sb; in ext4_mb_load_buddy_gfp()
1499 e4b->bd_group = group; in ext4_mb_load_buddy_gfp()
1500 e4b->bd_buddy_page = NULL; in ext4_mb_load_buddy_gfp()
1501 e4b->bd_bitmap_page = NULL; in ext4_mb_load_buddy_gfp()
1545 mb_cmp_bitmaps(e4b, page_address(page) + in ext4_mb_load_buddy_gfp()
1561 e4b->bd_bitmap_page = page; in ext4_mb_load_buddy_gfp()
1562 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_load_buddy_gfp()
1576 ret = ext4_mb_init_cache(page, e4b->bd_bitmap, in ext4_mb_load_buddy_gfp()
1596 e4b->bd_buddy_page = page; in ext4_mb_load_buddy_gfp()
1597 e4b->bd_buddy = page_address(page) + (poff * sb->s_blocksize); in ext4_mb_load_buddy_gfp()
1604 if (e4b->bd_bitmap_page) in ext4_mb_load_buddy_gfp()
1605 put_page(e4b->bd_bitmap_page); in ext4_mb_load_buddy_gfp()
1606 if (e4b->bd_buddy_page) in ext4_mb_load_buddy_gfp()
1607 put_page(e4b->bd_buddy_page); in ext4_mb_load_buddy_gfp()
1608 e4b->bd_buddy = NULL; in ext4_mb_load_buddy_gfp()
1609 e4b->bd_bitmap = NULL; in ext4_mb_load_buddy_gfp()
1614 struct ext4_buddy *e4b) in ext4_mb_load_buddy() argument
1616 return ext4_mb_load_buddy_gfp(sb, group, e4b, GFP_NOFS); in ext4_mb_load_buddy()
1619 static void ext4_mb_unload_buddy(struct ext4_buddy *e4b) in ext4_mb_unload_buddy() argument
1621 if (e4b->bd_bitmap_page) in ext4_mb_unload_buddy()
1622 put_page(e4b->bd_bitmap_page); in ext4_mb_unload_buddy()
1623 if (e4b->bd_buddy_page) in ext4_mb_unload_buddy()
1624 put_page(e4b->bd_buddy_page); in ext4_mb_unload_buddy()
1628 static int mb_find_order_for_block(struct ext4_buddy *e4b, int block) in mb_find_order_for_block() argument
1633 BUG_ON(e4b->bd_bitmap == e4b->bd_buddy); in mb_find_order_for_block()
1634 BUG_ON(block >= (1 << (e4b->bd_blkbits + 3))); in mb_find_order_for_block()
1636 while (order <= e4b->bd_blkbits + 1) { in mb_find_order_for_block()
1637 bb = mb_find_buddy(e4b, order, &max); in mb_find_order_for_block()
1724 static void mb_buddy_mark_free(struct ext4_buddy *e4b, int first, int last) in mb_buddy_mark_free() argument
1728 void *buddy = mb_find_buddy(e4b, order, &max); in mb_buddy_mark_free()
1763 e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&first, buddy, -1); in mb_buddy_mark_free()
1765 e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&last, buddy, 1); in mb_buddy_mark_free()
1770 if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) { in mb_buddy_mark_free()
1772 e4b->bd_info->bb_counters[order - 1] += last - first + 1; in mb_buddy_mark_free()
1781 static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b, in mb_free_blocks() argument
1788 struct super_block *sb = e4b->bd_sb; in mb_free_blocks()
1793 assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); in mb_free_blocks()
1795 if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) in mb_free_blocks()
1798 mb_check_buddy(e4b); in mb_free_blocks()
1799 mb_free_blocks_double(inode, e4b, first, count); in mb_free_blocks()
1802 e4b->bd_info->bb_free += count; in mb_free_blocks()
1803 if (first < e4b->bd_info->bb_first_free) in mb_free_blocks()
1804 e4b->bd_info->bb_first_free = first; in mb_free_blocks()
1810 left_is_free = !mb_test_bit(first - 1, e4b->bd_bitmap); in mb_free_blocks()
1811 block = mb_test_and_clear_bits(e4b->bd_bitmap, first, count); in mb_free_blocks()
1813 right_is_free = !mb_test_bit(last + 1, e4b->bd_bitmap); in mb_free_blocks()
1819 blocknr = ext4_group_first_block_no(sb, e4b->bd_group); in mb_free_blocks()
1822 ext4_grp_locked_error(sb, e4b->bd_group, in mb_free_blocks()
1828 sb, e4b->bd_group, in mb_free_blocks()
1836 e4b->bd_info->bb_fragments--; in mb_free_blocks()
1838 e4b->bd_info->bb_fragments++; in mb_free_blocks()
1848 e4b->bd_info->bb_counters[0] += left_is_free ? -1 : 1; in mb_free_blocks()
1852 e4b->bd_info->bb_counters[0] += right_is_free ? -1 : 1; in mb_free_blocks()
1856 mb_buddy_mark_free(e4b, first >> 1, last >> 1); in mb_free_blocks()
1859 mb_set_largest_free_order(sb, e4b->bd_info); in mb_free_blocks()
1860 mb_update_avg_fragment_size(sb, e4b->bd_info); in mb_free_blocks()
1861 mb_check_buddy(e4b); in mb_free_blocks()
1864 static int mb_find_extent(struct ext4_buddy *e4b, int block, in mb_find_extent() argument
1871 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_find_extent()
1874 buddy = mb_find_buddy(e4b, 0, &max); in mb_find_extent()
1885 order = mb_find_order_for_block(e4b, block); in mb_find_extent()
1890 ex->fe_group = e4b->bd_group; in mb_find_extent()
1898 mb_find_buddy(e4b, order, &max)) { in mb_find_extent()
1904 if (mb_test_bit(next, e4b->bd_bitmap)) in mb_find_extent()
1907 order = mb_find_order_for_block(e4b, next); in mb_find_extent()
1913 if (ex->fe_start + ex->fe_len > EXT4_CLUSTERS_PER_GROUP(e4b->bd_sb)) { in mb_find_extent()
1916 ext4_grp_locked_error(e4b->bd_sb, e4b->bd_group, 0, 0, in mb_find_extent()
1928 static int mb_mark_used(struct ext4_buddy *e4b, struct ext4_free_extent *ex) in mb_mark_used() argument
1940 BUG_ON(start + len > (e4b->bd_sb->s_blocksize << 3)); in mb_mark_used()
1941 BUG_ON(e4b->bd_group != ex->fe_group); in mb_mark_used()
1942 assert_spin_locked(ext4_group_lock_ptr(e4b->bd_sb, e4b->bd_group)); in mb_mark_used()
1943 mb_check_buddy(e4b); in mb_mark_used()
1944 mb_mark_used_double(e4b, start, len); in mb_mark_used()
1947 e4b->bd_info->bb_free -= len; in mb_mark_used()
1948 if (e4b->bd_info->bb_first_free == start) in mb_mark_used()
1949 e4b->bd_info->bb_first_free += len; in mb_mark_used()
1953 mlen = !mb_test_bit(start - 1, e4b->bd_bitmap); in mb_mark_used()
1954 if (start + len < EXT4_SB(e4b->bd_sb)->s_mb_maxs[0]) in mb_mark_used()
1955 max = !mb_test_bit(start + len, e4b->bd_bitmap); in mb_mark_used()
1957 e4b->bd_info->bb_fragments++; in mb_mark_used()
1959 e4b->bd_info->bb_fragments--; in mb_mark_used()
1963 ord = mb_find_order_for_block(e4b, start); in mb_mark_used()
1968 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1971 e4b->bd_info->bb_counters[ord]--; in mb_mark_used()
1984 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1986 e4b->bd_info->bb_counters[ord]--; in mb_mark_used()
1990 buddy = mb_find_buddy(e4b, ord, &max); in mb_mark_used()
1993 e4b->bd_info->bb_counters[ord]++; in mb_mark_used()
1994 e4b->bd_info->bb_counters[ord]++; in mb_mark_used()
1996 mb_set_largest_free_order(e4b->bd_sb, e4b->bd_info); in mb_mark_used()
1998 mb_update_avg_fragment_size(e4b->bd_sb, e4b->bd_info); in mb_mark_used()
1999 ext4_set_bits(e4b->bd_bitmap, ex->fe_start, len0); in mb_mark_used()
2000 mb_check_buddy(e4b); in mb_mark_used()
2009 struct ext4_buddy *e4b) in ext4_mb_use_best_found() argument
2014 BUG_ON(ac->ac_b_ex.fe_group != e4b->bd_group); in ext4_mb_use_best_found()
2019 ret = mb_mark_used(e4b, &ac->ac_b_ex); in ext4_mb_use_best_found()
2036 ac->ac_bitmap_page = e4b->bd_bitmap_page; in ext4_mb_use_best_found()
2038 ac->ac_buddy_page = e4b->bd_buddy_page; in ext4_mb_use_best_found()
2058 struct ext4_buddy *e4b, in ext4_mb_check_limits() argument
2085 && bex->fe_group == e4b->bd_group) { in ext4_mb_check_limits()
2089 max = mb_find_extent(e4b, bex->fe_start, gex->fe_len, &ex); in ext4_mb_check_limits()
2091 ext4_mb_use_best_found(ac, e4b); in ext4_mb_check_limits()
2109 struct ext4_buddy *e4b) in ext4_mb_measure_extent() argument
2126 ext4_mb_use_best_found(ac, e4b); in ext4_mb_measure_extent()
2135 ext4_mb_use_best_found(ac, e4b); in ext4_mb_measure_extent()
2163 ext4_mb_check_limits(ac, e4b, 0); in ext4_mb_measure_extent()
2168 struct ext4_buddy *e4b) in ext4_mb_try_best_found() argument
2176 err = ext4_mb_load_buddy(ac->ac_sb, group, e4b); in ext4_mb_try_best_found()
2181 max = mb_find_extent(e4b, ex.fe_start, ex.fe_len, &ex); in ext4_mb_try_best_found()
2185 ext4_mb_use_best_found(ac, e4b); in ext4_mb_try_best_found()
2189 ext4_mb_unload_buddy(e4b); in ext4_mb_try_best_found()
2196 struct ext4_buddy *e4b) in ext4_mb_find_by_goal() argument
2210 err = ext4_mb_load_buddy(ac->ac_sb, group, e4b); in ext4_mb_find_by_goal()
2214 if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) { in ext4_mb_find_by_goal()
2215 ext4_mb_unload_buddy(e4b); in ext4_mb_find_by_goal()
2220 max = mb_find_extent(e4b, ac->ac_g_ex.fe_start, in ext4_mb_find_by_goal()
2227 start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) + in ext4_mb_find_by_goal()
2233 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
2241 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
2250 ext4_mb_use_best_found(ac, e4b); in ext4_mb_find_by_goal()
2253 ext4_mb_unload_buddy(e4b); in ext4_mb_find_by_goal()
2264 struct ext4_buddy *e4b) in ext4_mb_simple_scan_group() argument
2267 struct ext4_group_info *grp = e4b->bd_info; in ext4_mb_simple_scan_group()
2278 buddy = mb_find_buddy(e4b, i, &max); in ext4_mb_simple_scan_group()
2283 ext4_grp_locked_error(ac->ac_sb, e4b->bd_group, 0, 0, in ext4_mb_simple_scan_group()
2287 e4b->bd_group, in ext4_mb_simple_scan_group()
2295 ac->ac_b_ex.fe_group = e4b->bd_group; in ext4_mb_simple_scan_group()
2297 ext4_mb_use_best_found(ac, e4b); in ext4_mb_simple_scan_group()
2315 struct ext4_buddy *e4b) in ext4_mb_complex_scan_group() argument
2318 void *bitmap = e4b->bd_bitmap; in ext4_mb_complex_scan_group()
2323 free = e4b->bd_info->bb_free; in ext4_mb_complex_scan_group()
2327 i = e4b->bd_info->bb_first_free; in ext4_mb_complex_scan_group()
2338 ext4_grp_locked_error(sb, e4b->bd_group, 0, 0, in ext4_mb_complex_scan_group()
2342 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in ext4_mb_complex_scan_group()
2347 mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex); in ext4_mb_complex_scan_group()
2351 ext4_grp_locked_error(sb, e4b->bd_group, 0, 0, in ext4_mb_complex_scan_group()
2355 ext4_mark_group_bitmap_corrupted(sb, e4b->bd_group, in ext4_mb_complex_scan_group()
2365 ext4_mb_measure_extent(ac, &ex, e4b); in ext4_mb_complex_scan_group()
2371 ext4_mb_check_limits(ac, e4b, 1); in ext4_mb_complex_scan_group()
2380 struct ext4_buddy *e4b) in ext4_mb_scan_aligned() argument
2384 void *bitmap = e4b->bd_bitmap; in ext4_mb_scan_aligned()
2394 first_group_block = ext4_group_first_block_no(sb, e4b->bd_group); in ext4_mb_scan_aligned()
2402 max = mb_find_extent(e4b, i, sbi->s_stripe, &ex); in ext4_mb_scan_aligned()
2407 ext4_mb_use_best_found(ac, e4b); in ext4_mb_scan_aligned()
2641 struct ext4_buddy e4b; in ext4_mb_regular_allocator() local
2654 err = ext4_mb_find_by_goal(ac, &e4b); in ext4_mb_regular_allocator()
2754 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_regular_allocator()
2767 ext4_mb_unload_buddy(&e4b); in ext4_mb_regular_allocator()
2773 ext4_mb_simple_scan_group(ac, &e4b); in ext4_mb_regular_allocator()
2776 ext4_mb_scan_aligned(ac, &e4b); in ext4_mb_regular_allocator()
2778 ext4_mb_complex_scan_group(ac, &e4b); in ext4_mb_regular_allocator()
2781 ext4_mb_unload_buddy(&e4b); in ext4_mb_regular_allocator()
2797 ext4_mb_try_best_found(ac, &e4b); in ext4_mb_regular_allocator()
2864 struct ext4_buddy e4b; in ext4_mb_seq_groups_show() local
2886 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_seq_groups_show()
2897 ext4_mb_unload_buddy(&e4b); in ext4_mb_seq_groups_show()
3337 struct ext4_buddy e4b; in ext4_discard_work() local
3358 ext4_mb_unload_buddy(&e4b); in ext4_discard_work()
3360 err = ext4_mb_load_buddy(sb, grp, &e4b); in ext4_discard_work()
3371 ext4_try_to_trim_range(sb, &e4b, fd->efd_start_cluster, in ext4_discard_work()
3379 ext4_mb_unload_buddy(&e4b); in ext4_discard_work()
3640 struct ext4_buddy e4b; in ext4_free_data_in_buddy() local
3647 err = ext4_mb_load_buddy(sb, entry->efd_group, &e4b); in ext4_free_data_in_buddy()
3655 db = e4b.bd_info; in ext4_free_data_in_buddy()
3662 mb_free_blocks(NULL, &e4b, entry->efd_start_cluster, entry->efd_count); in ext4_free_data_in_buddy()
3677 put_page(e4b.bd_buddy_page); in ext4_free_data_in_buddy()
3678 put_page(e4b.bd_bitmap_page); in ext4_free_data_in_buddy()
3681 ext4_mb_unload_buddy(&e4b); in ext4_free_data_in_buddy()
4218 struct ext4_buddy e4b; in ext4_discard_allocated_blocks() local
4224 err = ext4_mb_load_buddy(ac->ac_sb, ac->ac_f_ex.fe_group, &e4b); in ext4_discard_allocated_blocks()
4235 mb_free_blocks(ac->ac_inode, &e4b, ac->ac_f_ex.fe_start, in ext4_discard_allocated_blocks()
4238 ext4_mb_unload_buddy(&e4b); in ext4_discard_allocated_blocks()
4734 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh, in ext4_mb_release_inode_pa() argument
4737 struct super_block *sb = e4b->bd_sb; in ext4_mb_release_inode_pa()
4749 BUG_ON(group != e4b->bd_group && pa->pa_len != 0); in ext4_mb_release_inode_pa()
4766 mb_free_blocks(pa->pa_inode, e4b, bit, next - bit); in ext4_mb_release_inode_pa()
4770 ext4_msg(e4b->bd_sb, KERN_CRIT, in ext4_mb_release_inode_pa()
4788 ext4_mb_release_group_pa(struct ext4_buddy *e4b, in ext4_mb_release_group_pa() argument
4791 struct super_block *sb = e4b->bd_sb; in ext4_mb_release_group_pa()
4798 BUG_ON(group != e4b->bd_group && pa->pa_len != 0); in ext4_mb_release_group_pa()
4799 mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len); in ext4_mb_release_group_pa()
4823 struct ext4_buddy e4b; in ext4_mb_discard_group_preallocations() local
4841 err = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mb_discard_group_preallocations()
4893 ext4_mb_release_group_pa(&e4b, pa); in ext4_mb_discard_group_preallocations()
4895 ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa); in ext4_mb_discard_group_preallocations()
4911 ext4_mb_unload_buddy(&e4b); in ext4_mb_discard_group_preallocations()
4936 struct ext4_buddy e4b; in ext4_discard_preallocations() local
5011 err = ext4_mb_load_buddy_gfp(sb, group, &e4b, in ext4_discard_preallocations()
5024 ext4_mb_unload_buddy(&e4b); in ext4_discard_preallocations()
5030 ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa); in ext4_discard_preallocations()
5033 ext4_mb_unload_buddy(&e4b); in ext4_discard_preallocations()
5253 struct ext4_buddy e4b; in ext4_mb_discard_lg_preallocations() local
5306 err = ext4_mb_load_buddy_gfp(sb, group, &e4b, in ext4_mb_discard_lg_preallocations()
5315 ext4_mb_release_group_pa(&e4b, pa); in ext4_mb_discard_lg_preallocations()
5318 ext4_mb_unload_buddy(&e4b); in ext4_mb_discard_lg_preallocations()
5677 ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b, in ext4_mb_free_metadata() argument
5680 ext4_group_t group = e4b->bd_group; in ext4_mb_free_metadata()
5684 struct ext4_group_info *db = e4b->bd_info; in ext4_mb_free_metadata()
5685 struct super_block *sb = e4b->bd_sb; in ext4_mb_free_metadata()
5691 BUG_ON(e4b->bd_bitmap_page == NULL); in ext4_mb_free_metadata()
5692 BUG_ON(e4b->bd_buddy_page == NULL); in ext4_mb_free_metadata()
5703 get_page(e4b->bd_buddy_page); in ext4_mb_free_metadata()
5704 get_page(e4b->bd_bitmap_page); in ext4_mb_free_metadata()
5865 struct ext4_buddy e4b; in ext4_free_blocks() local
6014 err = ext4_mb_load_buddy_gfp(sb, block_group, &e4b, in ext4_free_blocks()
6042 ext4_mb_free_metadata(handle, &e4b, new_entry); in ext4_free_blocks()
6057 EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); in ext4_free_blocks()
6061 mb_free_blocks(inode, &e4b, bit, count_clusters); in ext4_free_blocks()
6089 ext4_mb_unload_buddy(&e4b); in ext4_free_blocks()
6132 struct ext4_buddy e4b; in ext4_group_add_blocks() local
6208 err = ext4_mb_load_buddy(sb, block_group, &e4b); in ext4_group_add_blocks()
6219 mb_free_blocks(NULL, &e4b, bit, cluster_count); in ext4_group_add_blocks()
6236 ext4_mb_unload_buddy(&e4b); in ext4_group_add_blocks()
6266 int start, int count, struct ext4_buddy *e4b) in ext4_trim_extent() argument
6271 ext4_group_t group = e4b->bd_group; in ext4_trim_extent()
6286 mb_mark_used(e4b, &ex); in ext4_trim_extent()
6290 mb_free_blocks(NULL, e4b, start, ex.fe_len); in ext4_trim_extent()
6295 struct ext4_buddy *e4b, ext4_grpblk_t start, in ext4_try_to_trim_range() argument
6297 __acquires(ext4_group_lock_ptr(sb, e4b->bd_group)) in ext4_try_to_trim_range()
6298 __releases(ext4_group_lock_ptr(sb, e4b->bd_group)) in ext4_try_to_trim_range()
6304 bitmap = e4b->bd_bitmap; in ext4_try_to_trim_range()
6305 start = (e4b->bd_info->bb_first_free > start) ? in ext4_try_to_trim_range()
6306 e4b->bd_info->bb_first_free : start; in ext4_try_to_trim_range()
6317 ret = ext4_trim_extent(sb, start, next - start, e4b); in ext4_try_to_trim_range()
6332 ext4_unlock_group(sb, e4b->bd_group); in ext4_try_to_trim_range()
6334 ext4_lock_group(sb, e4b->bd_group); in ext4_try_to_trim_range()
6337 if ((e4b->bd_info->bb_free - free_count) < minblocks) in ext4_try_to_trim_range()
6362 struct ext4_buddy e4b; in ext4_trim_all_free() local
6367 ret = ext4_mb_load_buddy(sb, group, &e4b); in ext4_trim_all_free()
6376 if (!EXT4_MB_GRP_WAS_TRIMMED(e4b.bd_info) || in ext4_trim_all_free()
6378 ret = ext4_try_to_trim_range(sb, &e4b, start, max, minblocks); in ext4_trim_all_free()
6380 EXT4_MB_GRP_SET_TRIMMED(e4b.bd_info); in ext4_trim_all_free()
6386 ext4_mb_unload_buddy(&e4b); in ext4_trim_all_free()
6497 struct ext4_buddy e4b; in ext4_mballoc_query_range() local
6500 error = ext4_mb_load_buddy(sb, group, &e4b); in ext4_mballoc_query_range()
6503 bitmap = e4b.bd_bitmap; in ext4_mballoc_query_range()
6507 start = (e4b.bd_info->bb_first_free > start) ? in ext4_mballoc_query_range()
6508 e4b.bd_info->bb_first_free : start; in ext4_mballoc_query_range()
6529 ext4_mb_unload_buddy(&e4b); in ext4_mballoc_query_range()