Symbol: ext4_valid_inum
fs/ext4/namei.c
1776
if (!ext4_valid_inum(dir->i_sb, ino)) {
fs/ext4/namei.c
1830
if (!ext4_valid_inum(child->d_sb, ino)) {
fs/ext4/xattr.c
250
!ext4_valid_inum(inode->i_sb, ea_ino))) {