IS_NOSEC 1809 fs/inode.c if (IS_NOSEC(inode)) IS_NOSEC 1850 fs/inode.c if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) IS_NOSEC 307 fs/xfs/xfs_file.c if (*iolock == XFS_IOLOCK_SHARED && !IS_NOSEC(inode)) {