fs/ext4/ialloc.c

81 				      ext4_group_t block_group,
90 	grp = ext4_get_group_info(sb, block_group);
97 	ext4_lock_group(sb, block_group);
104 		ext4_unlock_group(sb, block_group);
105 		ext4_error(sb, "Corrupt inode bitmap - block_group = %u, "
106 			   "inode_bitmap = %llu", block_group, blk);
107 		ext4_mark_group_bitmap_corrupted(sb, block_group,
113 	ext4_unlock_group(sb, block_group);
118  * Read the inode allocation bitmap for a given block_group, reading
124 ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
132 	desc = ext4_get_group_desc(sb, block_group, NULL);
140 			   "block_group %u", bitmap_blk, block_group);
141 		ext4_mark_group_bitmap_corrupted(sb, block_group,
148 			     "block_group = %u, inode_bitmap = %llu",
149 			     block_group, bitmap_blk);
161 	ext4_lock_group(sb, block_group);
164 		if (block_group == 0) {
165 			ext4_unlock_group(sb, block_group);
178 		ext4_unlock_group(sb, block_group);
182 	ext4_unlock_group(sb, block_group);
196 	trace_ext4_load_inode_bitmap(sb, block_group);
202 			       "block_group = %u, inode_bitmap = %llu",
203 			       block_group, bitmap_blk);
204 		ext4_mark_group_bitmap_corrupted(sb, block_group,
210 	err = ext4_validate_inode_bitmap(sb, desc, block_group, bh);
242 	ext4_group_t block_group;
285 	block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
287 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);
295 		grp = ext4_get_group_info(sb, block_group);
309 	gdp = ext4_get_group_desc(sb, block_group, &bh2);
315 	ext4_lock_group(sb, block_group);
318 		ext4_unlock_group(sb, block_group);
332 	ext4_group_desc_csum_set(sb, block_group, gdp);
333 	ext4_unlock_group(sb, block_group);
341 					 ext4_flex_group(sbi, block_group));
356 		ext4_mark_group_bitmap_corrupted(sb, block_group,
1372 	ext4_group_t block_group;
1381 	block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
1383 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);