79 static int squashfs_bio_read(struct super_block *sb, u64 index, int length,  in squashfs_bio_read()  argument
83 	const u64 read_start = round_down(index, msblk->devblksize);  in squashfs_bio_read()
85 	const u64 read_end = round_up(index + length, msblk->devblksize);  in squashfs_bio_read()
87 	int offset = read_start - round_down(index, PAGE_SIZE);  in squashfs_bio_read()
121 	*block_offset = index & ((1 << msblk->devblksize_log2) - 1);  in squashfs_bio_read()
140 int squashfs_read_data(struct super_block *sb, u64 index, int length,  in squashfs_read_data()  argument
156 			index, compressed ? "" : "un", length, output->length);  in squashfs_read_data()
165 		if (index + 2 > msblk->bytes_used) {  in squashfs_read_data()
169 		res = squashfs_bio_read(sb, index, 2, &bio, &offset);  in squashfs_read_data()
196 		index += 2;  in squashfs_read_data()
198 		TRACE("Block @ 0x%llx, %scompressed size %d\n", index - 2,  in squashfs_read_data()
202 			(index + length) > msblk->bytes_used) {  in squashfs_read_data()
208 		*next_index = index + length;  in squashfs_read_data()
210 	res = squashfs_bio_read(sb, index, length, &bio, &offset);  in squashfs_read_data()
230 		ERROR("Failed to read block 0x%llx: %d\n", index, res);  in squashfs_read_data()