HelenOS sources

ext4_superblock_set_magic   82 uspace/lib/ext4/include/ext4/superblock.h extern void ext4_superblock_set_magic(ext4_superblock_t *sb, uint16_t magic);
ext4_superblock_set_magic 1594 uspace/lib/ext4/src/superblock.c 	ext4_superblock_set_magic(sb, EXT4_SUPERBLOCK_MAGIC);