ext4_can_truncate 1089 fs/ext4/ext4.h extern int ext4_can_truncate(struct inode *inode); ext4_can_truncate 929 fs/ext4/ialloc.c if (inode->i_nlink && !ext4_can_truncate(inode)) ext4_can_truncate 3674 fs/ext4/inode.c if (!ext4_can_truncate(inode))