82 	struct squashfs_sb_info *msblk = sb->s_fs_info;  in squashfs_bio_read()  local
83 	const u64 read_start = round_down(index, msblk->devblksize);  in squashfs_bio_read()
84 	const sector_t block = read_start >> msblk->devblksize_log2;  in squashfs_bio_read()
85 	const u64 read_end = round_up(index + length, msblk->devblksize);  in squashfs_bio_read()
86 	const sector_t block_end = read_end >> msblk->devblksize_log2;  in squashfs_bio_read()
88 	int total_len = (block_end - block) << msblk->devblksize_log2;  in squashfs_bio_read()
97 	bio->bi_iter.bi_sector = block * (msblk->devblksize >> SECTOR_SHIFT);  in squashfs_bio_read()
121 	*block_offset = index & ((1 << msblk->devblksize_log2) - 1);  in squashfs_bio_read()
143 	struct squashfs_sb_info *msblk = sb->s_fs_info;  in squashfs_read_data()  local
165 		if (index + 2 > msblk->bytes_used) {  in squashfs_read_data()
202 			(index + length) > msblk->bytes_used) {  in squashfs_read_data()
215 		if (!msblk->stream) {  in squashfs_read_data()
219 		res = squashfs_decompress(msblk, bio, offset, length, output);  in squashfs_read_data()
231 		if (msblk->panic_on_errors)  in squashfs_read_data()