Lines Matching refs:bg
82 static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg);
122 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
352 struct ocfs2_group_desc *bg, in ocfs2_bg_discontig_add_extent() argument
356 struct ocfs2_extent_list *el = &bg->bg_list; in ocfs2_bg_discontig_add_extent()
364 rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) / in ocfs2_bg_discontig_add_extent()
367 le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc)); in ocfs2_bg_discontig_add_extent()
368 le16_add_cpu(&bg->bg_free_bits_count, in ocfs2_bg_discontig_add_extent()
383 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; in ocfs2_block_group_fill() local
404 memset(bg, 0, sb->s_blocksize); in ocfs2_block_group_fill()
405 strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE); in ocfs2_block_group_fill()
406 bg->bg_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation); in ocfs2_block_group_fill()
407 bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1, in ocfs2_block_group_fill()
409 bg->bg_chain = cpu_to_le16(my_chain); in ocfs2_block_group_fill()
410 bg->bg_next_group = cl->cl_recs[my_chain].c_blkno; in ocfs2_block_group_fill()
411 bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno); in ocfs2_block_group_fill()
412 bg->bg_blkno = cpu_to_le64(group_blkno); in ocfs2_block_group_fill()
414 bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl)); in ocfs2_block_group_fill()
416 ocfs2_bg_discontig_add_extent(osb, bg, cl, group_blkno, in ocfs2_block_group_fill()
420 ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap); in ocfs2_block_group_fill()
421 bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1); in ocfs2_block_group_fill()
524 struct ocfs2_group_desc *bg = in ocfs2_block_group_grow_discontig() local
527 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc); in ocfs2_block_group_grow_discontig()
530 struct ocfs2_extent_list *el = &bg->bg_list; in ocfs2_block_group_grow_discontig()
554 ocfs2_bg_discontig_add_extent(osb, bg, cl, p_blkno, in ocfs2_block_group_grow_discontig()
559 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc); in ocfs2_block_group_grow_discontig()
583 struct ocfs2_group_desc *bg; in ocfs2_bg_alloc_cleanup() local
590 bg = (struct ocfs2_group_desc *)bg_bh->b_data; in ocfs2_bg_alloc_cleanup()
591 el = &bg->bg_list; in ocfs2_bg_alloc_cleanup()
699 struct ocfs2_group_desc *bg; in ocfs2_block_group_alloc() local
742 bg = (struct ocfs2_group_desc *) bg_bh->b_data; in ocfs2_block_group_alloc()
751 alloc_rec = le16_to_cpu(bg->bg_chain); in ocfs2_block_group_alloc()
753 le16_to_cpu(bg->bg_free_bits_count)); in ocfs2_block_group_alloc()
755 le16_to_cpu(bg->bg_bits)); in ocfs2_block_group_alloc()
756 cl->cl_recs[alloc_rec].c_blkno = bg->bg_blkno; in ocfs2_block_group_alloc()
760 le32_add_cpu(&fe->id1.bitmap1.i_used, le16_to_cpu(bg->bg_bits) - in ocfs2_block_group_alloc()
761 le16_to_cpu(bg->bg_free_bits_count)); in ocfs2_block_group_alloc()
762 le32_add_cpu(&fe->id1.bitmap1.i_total, le16_to_cpu(bg->bg_bits)); in ocfs2_block_group_alloc()
1261 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; in ocfs2_test_bg_bit_allocatable() local
1264 if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap)) in ocfs2_test_bg_bit_allocatable()
1271 bg = (struct ocfs2_group_desc *) bh2jh(bg_bh)->b_committed_data; in ocfs2_test_bg_bit_allocatable()
1272 if (bg) in ocfs2_test_bg_bit_allocatable()
1273 ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap); in ocfs2_test_bg_bit_allocatable()
1290 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; in ocfs2_block_group_find_clear_bits() local
1294 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); in ocfs2_block_group_find_clear_bits()
1297 bitmap = bg->bg_bitmap; in ocfs2_block_group_find_clear_bits()
1343 struct ocfs2_group_desc *bg, in ocfs2_block_group_set_bits() argument
1349 void *bitmap = bg->bg_bitmap; in ocfs2_block_group_set_bits()
1354 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); in ocfs2_block_group_set_bits()
1355 BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits); in ocfs2_block_group_set_bits()
1371 le16_add_cpu(&bg->bg_free_bits_count, -num_bits); in ocfs2_block_group_set_bits()
1372 if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) { in ocfs2_block_group_set_bits()
1375 (unsigned long long)le64_to_cpu(bg->bg_blkno), in ocfs2_block_group_set_bits()
1376 le16_to_cpu(bg->bg_bits), in ocfs2_block_group_set_bits()
1377 le16_to_cpu(bg->bg_free_bits_count), num_bits); in ocfs2_block_group_set_bits()
1420 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; in ocfs2_relink_block_group() local
1425 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); in ocfs2_relink_block_group()
1430 (unsigned long long)le64_to_cpu(bg->bg_blkno), in ocfs2_relink_block_group()
1433 bg_ptr = le64_to_cpu(bg->bg_next_group); in ocfs2_relink_block_group()
1442 prev_bg->bg_next_group = bg->bg_next_group; in ocfs2_relink_block_group()
1450 bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno; in ocfs2_relink_block_group()
1458 fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno; in ocfs2_relink_block_group()
1467 bg->bg_next_group = cpu_to_le64(bg_ptr); in ocfs2_relink_block_group()
1473 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg, in ocfs2_block_group_reasonably_empty() argument
1476 return le16_to_cpu(bg->bg_free_bits_count) > wanted; in ocfs2_block_group_reasonably_empty()
1560 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data; in ocfs2_block_group_search() local
1565 if (bg->bg_free_bits_count) { in ocfs2_block_group_search()
1568 le16_to_cpu(bg->bg_bits), in ocfs2_block_group_search()
1571 blkoff = le64_to_cpu(bg->bg_blkno) + in ocfs2_block_group_search()
1646 struct ocfs2_group_desc *bg, in ocfs2_bg_discontig_fix_result() argument
1663 !bg->bg_list.l_next_free_rec) in ocfs2_bg_discontig_fix_result()
1666 for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) { in ocfs2_bg_discontig_fix_result()
1667 rec = &bg->bg_list.l_recs[i]; in ocfs2_bg_discontig_fix_result()
1757 struct ocfs2_group_desc *bg; in ocfs2_search_chain() local
1771 bg = (struct ocfs2_group_desc *) group_bh->b_data; in ocfs2_search_chain()
1780 if (!bg->bg_next_group) in ocfs2_search_chain()
1786 next_group = le64_to_cpu(bg->bg_next_group); in ocfs2_search_chain()
1795 bg = (struct ocfs2_group_desc *) group_bh->b_data; in ocfs2_search_chain()
1804 (unsigned long long)le64_to_cpu(bg->bg_blkno), res->sr_bits); in ocfs2_search_chain()
1806 res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno); in ocfs2_search_chain()
1810 ocfs2_bg_discontig_fix_result(ac, bg, res); in ocfs2_search_chain()
1833 (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) { in ocfs2_search_chain()
1856 bg, in ocfs2_search_chain()
1872 *bits_left = le16_to_cpu(bg->bg_free_bits_count); in ocfs2_search_chain()
2138 struct ocfs2_group_desc *bg; in ocfs2_claim_new_inode_at_loc() local
2156 bg = (struct ocfs2_group_desc *) bg_bh->b_data; in ocfs2_claim_new_inode_at_loc()
2157 chain = le16_to_cpu(bg->bg_chain); in ocfs2_claim_new_inode_at_loc()
2169 bg, in ocfs2_claim_new_inode_at_loc()
2387 struct ocfs2_group_desc *bg, in ocfs2_block_group_clear_bits() argument
2400 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); in ocfs2_block_group_clear_bits()
2425 (unsigned long *) bg->bg_bitmap); in ocfs2_block_group_clear_bits()
2430 le16_add_cpu(&bg->bg_free_bits_count, num_bits); in ocfs2_block_group_clear_bits()
2431 if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) { in ocfs2_block_group_clear_bits()
2434 (unsigned long long)le64_to_cpu(bg->bg_blkno), in ocfs2_block_group_clear_bits()
2435 le16_to_cpu(bg->bg_bits), in ocfs2_block_group_clear_bits()
2436 le16_to_cpu(bg->bg_free_bits_count), num_bits); in ocfs2_block_group_clear_bits()
2619 static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg) in ocfs2_debug_bg() argument
2622 printk("bg_signature: %s\n", bg->bg_signature); in ocfs2_debug_bg()
2623 printk("bg_size: %u\n", bg->bg_size); in ocfs2_debug_bg()
2624 printk("bg_bits: %u\n", bg->bg_bits); in ocfs2_debug_bg()
2625 printk("bg_free_bits_count: %u\n", bg->bg_free_bits_count); in ocfs2_debug_bg()
2626 printk("bg_chain: %u\n", bg->bg_chain); in ocfs2_debug_bg()
2627 printk("bg_generation: %u\n", le32_to_cpu(bg->bg_generation)); in ocfs2_debug_bg()
2629 (unsigned long long)bg->bg_next_group); in ocfs2_debug_bg()
2631 (unsigned long long)bg->bg_parent_dinode); in ocfs2_debug_bg()
2633 (unsigned long long)bg->bg_blkno); in ocfs2_debug_bg()