Lines Matching refs:bg
43 u64 sr_bg_blkno; /* The bg we allocated from. Set
53 unsigned int sr_bit_offset; /* The bit in the bg */
106 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
321 struct ocfs2_group_desc *bg,
325 struct ocfs2_extent_list *el = &bg->bg_list;
333 rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) /
336 le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc));
337 le16_add_cpu(&bg->bg_free_bits_count,
352 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
372 memset(bg, 0, sb->s_blocksize);
373 strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);
374 bg->bg_generation = cpu_to_le32(osb->fs_generation);
375 bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1,
377 bg->bg_chain = cpu_to_le16(my_chain);
378 bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;
379 bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno);
380 bg->bg_blkno = cpu_to_le64(group_blkno);
382 bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));
384 ocfs2_bg_discontig_add_extent(osb, bg, cl, group_blkno,
388 ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap);
389 bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1);
492 struct ocfs2_group_desc *bg =
495 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);
498 struct ocfs2_extent_list *el = &bg->bg_list;
522 ocfs2_bg_discontig_add_extent(osb, bg, cl, p_blkno,
527 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);
551 struct ocfs2_group_desc *bg;
558 bg = (struct ocfs2_group_desc *)bg_bh->b_data;
559 el = &bg->bg_list;
667 struct ocfs2_group_desc *bg;
710 bg = (struct ocfs2_group_desc *) bg_bh->b_data;
719 alloc_rec = le16_to_cpu(bg->bg_chain);
721 le16_to_cpu(bg->bg_free_bits_count));
723 le16_to_cpu(bg->bg_bits));
724 cl->cl_recs[alloc_rec].c_blkno = bg->bg_blkno;
728 le32_add_cpu(&fe->id1.bitmap1.i_used, le16_to_cpu(bg->bg_bits) -
729 le16_to_cpu(bg->bg_free_bits_count));
730 le32_add_cpu(&fe->id1.bitmap1.i_total, le16_to_cpu(bg->bg_bits));
1254 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
1258 if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))
1266 bg = (struct ocfs2_group_desc *) jh->b_committed_data;
1267 if (bg)
1268 ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);
1286 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
1290 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
1293 bitmap = bg->bg_bitmap;
1339 struct ocfs2_group_desc *bg,
1345 void *bitmap = bg->bg_bitmap;
1350 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
1351 BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);
1367 le16_add_cpu(&bg->bg_free_bits_count, -num_bits);
1368 if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {
1370 (unsigned long long)le64_to_cpu(bg->bg_blkno),
1371 le16_to_cpu(bg->bg_bits),
1372 le16_to_cpu(bg->bg_free_bits_count),
1415 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
1420 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
1425 (unsigned long long)le64_to_cpu(bg->bg_blkno),
1428 bg_ptr = le64_to_cpu(bg->bg_next_group);
1437 prev_bg->bg_next_group = bg->bg_next_group;
1445 bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno;
1453 fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno;
1462 bg->bg_next_group = cpu_to_le64(bg_ptr);
1468 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
1471 return le16_to_cpu(bg->bg_free_bits_count) > wanted;
1555 struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data;
1560 if (bg->bg_free_bits_count) {
1563 le16_to_cpu(bg->bg_bits),
1566 blkoff = le64_to_cpu(bg->bg_blkno) +
1641 struct ocfs2_group_desc *bg,
1658 !bg->bg_list.l_next_free_rec)
1661 for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {
1662 rec = &bg->bg_list.l_recs[i];
1752 struct ocfs2_group_desc *bg;
1766 bg = (struct ocfs2_group_desc *) group_bh->b_data;
1775 if (!bg->bg_next_group)
1781 next_group = le64_to_cpu(bg->bg_next_group);
1790 bg = (struct ocfs2_group_desc *) group_bh->b_data;
1799 (unsigned long long)le64_to_cpu(bg->bg_blkno), res->sr_bits);
1801 res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);
1805 ocfs2_bg_discontig_fix_result(ac, bg, res);
1828 (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {
1851 bg,
1867 *bits_left = le16_to_cpu(bg->bg_free_bits_count);
2134 struct ocfs2_group_desc *bg;
2152 bg = (struct ocfs2_group_desc *) bg_bh->b_data;
2153 chain = le16_to_cpu(bg->bg_chain);
2165 bg,
2383 struct ocfs2_group_desc *bg,
2397 BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
2422 (unsigned long *) bg->bg_bitmap);
2427 le16_add_cpu(&bg->bg_free_bits_count, num_bits);
2428 if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {
2432 (unsigned long long)le64_to_cpu(bg->bg_blkno),
2433 le16_to_cpu(bg->bg_bits),
2434 le16_to_cpu(bg->bg_free_bits_count),