ext4_ext_check_overlap  238 fs/ext4/ext4_extents.h extern unsigned int ext4_ext_check_overlap(struct inode *, struct ext4_extent *, struct ext4_ext_path *);
ext4_ext_check_overlap 2837 fs/ext4/extents.c 	err = ext4_ext_check_overlap(inode, &newex, path);