fs/minix/bitmap.c

46 	struct buffer_head *bh;
61 	bh = sbi->s_zmap[zone];
63 	if (!minix_test_and_clear_bit(bit, bh->b_data))
67 	mark_buffer_dirty(bh);
78 		struct buffer_head *bh = sbi->s_zmap[i];
82 		j = minix_find_first_zero_bit(bh->b_data, bits_per_zone);
84 			minix_set_bit(j, bh->b_data);
86 			mark_buffer_dirty(bh);
107 minix_V1_raw_inode(struct super_block *sb, ino_t ino, struct buffer_head **bh)
121 	*bh = sb_bread(sb, block);
122 	if (!*bh) {
126 	p = (void *)(*bh)->b_data;
131 minix_V2_raw_inode(struct super_block *sb, ino_t ino, struct buffer_head **bh)
138 	*bh = NULL;
147 	*bh = sb_bread(sb, block);
148 	if (!*bh) {
152 	p = (void *)(*bh)->b_data;
160 	struct buffer_head *bh = NULL;
164 		raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);
171 		raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);
177 	if (bh) {
178 		mark_buffer_dirty(bh);
179 		brelse (bh);
187 	struct buffer_head *bh;
205 	bh = sbi->s_imap[ino];
207 	if (!minix_test_and_clear_bit(bit, bh->b_data))
210 	mark_buffer_dirty(bh);
218 	struct buffer_head * bh;
226 	bh = NULL;
229 		bh = sbi->s_imap[i];
230 		j = minix_find_first_zero_bit(bh->b_data, bits_per_zone);
234 	if (!bh || j >= bits_per_zone) {
239 	if (minix_test_and_set_bit(j, bh->b_data)) {	/* shouldn't happen */
246 	mark_buffer_dirty(bh);