Lines Matching refs:block_group
27 ext4_group_t block_group);
70 * Check whether the 'block' lives within the 'block_group'. Returns 1 if so
75 ext4_group_t block_group)
80 return (actual_group == block_group) ? 1 : 0;
88 ext4_group_t block_group,
94 ext4_fsblk_t start = ext4_group_first_block_no(sb, block_group);
102 base_clusters = ext4_num_base_meta_clusters(sb, block_group);
137 if (ext4_block_in_group(sb, ext4_block_bitmap(sb, gdp), block_group)) {
146 if (ext4_block_in_group(sb, ext4_inode_bitmap(sb, gdp), block_group)) {
164 ext4_group_t block_group)
168 if (block_group == ext4_get_groups_count(sb) - 1) {
176 ext4_group_first_block_no(sb, block_group);
185 ext4_group_t block_group,
194 if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) {
195 ext4_mark_group_bitmap_corrupted(sb, block_group,
202 bit_max = ext4_num_base_meta_clusters(sb, block_group);
209 start = ext4_group_first_block_no(sb, block_group);
213 if (ext4_block_in_group(sb, tmp, block_group))
217 if (ext4_block_in_group(sb, tmp, block_group))
223 if (ext4_block_in_group(sb, tmp, block_group))
232 ext4_mark_bitmap_end(num_clusters_in_group(sb, block_group),
241 ext4_group_t block_group,
244 return num_clusters_in_group(sb, block_group) -
245 ext4_num_overhead_clusters(sb, block_group, gdp);
262 * @block_group: given block group
267 ext4_group_t block_group,
277 if (block_group >= ngroups) {
278 ext4_error(sb, "block_group >= groups_count - block_group = %u,"
279 " groups_count = %u", block_group, ngroups);
284 group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb);
285 offset = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1);
295 "block_group = %u, group_desc = %u, desc = %u",
296 block_group, group_desc, offset);
309 ext4_group_t block_group,
314 unsigned int offset = num_clusters_in_group(sb, block_group);
344 ext4_group_t block_group,
363 group_first_block = ext4_group_first_block_no(sb, block_group);
399 ext4_group_t block_group,
408 grp = ext4_get_group_info(sb, block_group);
415 ext4_lock_group(sb, block_group);
420 ext4_unlock_group(sb, block_group);
421 ext4_error(sb, "bg %u: bad block bitmap checksum", block_group);
422 ext4_mark_group_bitmap_corrupted(sb, block_group,
426 blk = ext4_valid_block_bitmap(sb, desc, block_group, bh);
428 ext4_unlock_group(sb, block_group);
430 block_group, blk);
431 ext4_mark_group_bitmap_corrupted(sb, block_group,
435 blk = ext4_valid_block_bitmap_padding(sb, block_group, bh);
437 ext4_unlock_group(sb, block_group);
439 block_group, blk);
440 ext4_mark_group_bitmap_corrupted(sb, block_group,
446 ext4_unlock_group(sb, block_group);
453 * @block_group: given block group
456 * Read the bitmap for a given block_group,and validate the
462 ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group,
471 desc = ext4_get_group_desc(sb, block_group, NULL);
478 "block_group %u", bitmap_blk, block_group);
479 ext4_mark_group_bitmap_corrupted(sb, block_group,
486 "block_group = %u, block_bitmap = %llu",
487 block_group, bitmap_blk);
505 ext4_lock_group(sb, block_group);
508 if (block_group == 0) {
509 ext4_unlock_group(sb, block_group);
516 err = ext4_init_block_bitmap(sb, bh, block_group, desc);
518 ext4_unlock_group(sb, block_group);
521 "%u: %d", block_group, err);
527 ext4_unlock_group(sb, block_group);
531 ext4_unlock_group(sb, block_group);
545 trace_ext4_read_block_bitmap_load(sb, block_group, ignore_locked);
551 err = ext4_validate_block_bitmap(sb, desc, block_group, bh);
561 int ext4_wait_block_bitmap(struct super_block *sb, ext4_group_t block_group,
568 desc = ext4_get_group_desc(sb, block_group, NULL);
575 "block_group = %u, block_bitmap = %llu",
576 block_group, (unsigned long long) bh->b_blocknr);
577 ext4_mark_group_bitmap_corrupted(sb, block_group,
583 return ext4_validate_block_bitmap(sb, desc, block_group, bh);
587 ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
592 bh = ext4_read_block_bitmap_nowait(sb, block_group, false);
595 err = ext4_wait_block_bitmap(sb, block_group, bh);
920 ext4_group_t block_group)
926 num = ext4_bg_has_super(sb, block_group);
929 block_group < le32_to_cpu(sbi->s_es->s_first_meta_bg) *
932 num += ext4_bg_num_gdb_nometa(sb, block_group);
936 num += ext4_bg_num_gdb_meta(sb, block_group);
942 ext4_group_t block_group)
944 return EXT4_NUM_B2C(EXT4_SB(sb), ext4_num_base_meta_blocks(sb, block_group));
957 ext4_group_t block_group;
963 block_group = ei->i_block_group;
973 block_group &= ~(flex_size-1);
975 block_group++;
977 bg_start = ext4_group_first_block_no(inode->i_sb, block_group);