79 	struct squashfs_sb_info *msblk = sb->s_fs_info;  in squashfs_bio_read()  local
80 	const u64 read_start = round_down(index, msblk->devblksize);  in squashfs_bio_read()
81 	const sector_t block = read_start >> msblk->devblksize_log2;  in squashfs_bio_read()
82 	const u64 read_end = round_up(index + length, msblk->devblksize);  in squashfs_bio_read()
83 	const sector_t block_end = read_end >> msblk->devblksize_log2;  in squashfs_bio_read()
85 	int total_len = (block_end - block) << msblk->devblksize_log2;  in squashfs_bio_read()
100 	bio->bi_iter.bi_sector = block * (msblk->devblksize >> SECTOR_SHIFT);  in squashfs_bio_read()
124 	*block_offset = index & ((1 << msblk->devblksize_log2) - 1);  in squashfs_bio_read()
145 	struct squashfs_sb_info *msblk = sb->s_fs_info;  in squashfs_read_data()  local
167 		if (index + 2 > msblk->bytes_used) {  in squashfs_read_data()
203 			(index + length) > msblk->bytes_used) {  in squashfs_read_data()
216 		if (!msblk->stream) {  in squashfs_read_data()
220 		res = squashfs_decompress(msblk, bio, offset, length, output);  in squashfs_read_data()